LCOV - code coverage report
Current view: top level - include/problems - FEProblemBase.h (source / functions) Hit Total Coverage
Test: idaholab/moose framework: #32971 (54bef8) with base c6cf66 Lines: 227 265 85.7 %
Date: 2026-05-29 20:35:17 Functions: 210 220 95.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #pragma once
      11             : 
      12             : #ifdef MOOSE_KOKKOS_ENABLED
      13             : #include "KokkosAssembly.h"
      14             : #include "KokkosSystem.h"
      15             : #endif
      16             : 
      17             : // MOOSE includes
      18             : #include "SubProblem.h"
      19             : #include "GeometricSearchData.h"
      20             : #include "MeshDivision.h"
      21             : #include "ReporterData.h"
      22             : #include "Adaptivity.h"
      23             : #include "InitialConditionWarehouse.h"
      24             : #include "FVInitialConditionWarehouse.h"
      25             : #include "ScalarInitialConditionWarehouse.h"
      26             : #include "Restartable.h"
      27             : #include "SolverParams.h"
      28             : #include "PetscSupport.h"
      29             : #include "MooseApp.h"
      30             : #include "ExecuteMooseObjectWarehouse.h"
      31             : #include "MaterialWarehouse.h"
      32             : #include "MooseVariableFE.h"
      33             : #include "MultiAppTransfer.h"
      34             : #include "Postprocessor.h"
      35             : #include "HashMap.h"
      36             : #include "VectorPostprocessor.h"
      37             : #include "PerfGraphInterface.h"
      38             : #include "Attributes.h"
      39             : #include "MooseObjectWarehouse.h"
      40             : #include "MaterialPropertyRegistry.h"
      41             : #include "RestartableEquationSystems.h"
      42             : #include "SolutionInvalidity.h"
      43             : #include "PetscSupport.h"
      44             : 
      45             : #include "libmesh/enum_quadrature_type.h"
      46             : #include "libmesh/equation_systems.h"
      47             : 
      48             : #include <unordered_map>
      49             : #include <memory>
      50             : 
      51             : // Forward declarations
      52             : class AuxiliarySystem;
      53             : class DisplacedProblem;
      54             : class MooseMesh;
      55             : class NonlinearSystemBase;
      56             : class LinearSystem;
      57             : class SolverSystem;
      58             : class NonlinearSystem;
      59             : class RandomInterface;
      60             : class RandomData;
      61             : class MeshChangedInterface;
      62             : class MeshDisplacedInterface;
      63             : class MultiMooseEnum;
      64             : class MaterialPropertyStorage;
      65             : class MaterialData;
      66             : class MooseEnum;
      67             : class MortarInterfaceWarehouse;
      68             : class Assembly;
      69             : class JacobianBlock;
      70             : class Control;
      71             : class MultiApp;
      72             : class TransientMultiApp;
      73             : class ScalarInitialCondition;
      74             : class Indicator;
      75             : class InternalSideIndicatorBase;
      76             : class Marker;
      77             : class Material;
      78             : class Transfer;
      79             : class XFEMInterface;
      80             : class SideUserObject;
      81             : class NodalUserObject;
      82             : class ElementUserObject;
      83             : class InternalSideUserObject;
      84             : class InterfaceUserObject;
      85             : class GeneralUserObject;
      86             : class Positions;
      87             : class Function;
      88             : class Distribution;
      89             : class Sampler;
      90             : class KernelBase;
      91             : class IntegratedBCBase;
      92             : class LineSearch;
      93             : class UserObject;
      94             : class UserObjectBase;
      95             : class FVInterpolationMethod;
      96             : class FVFaceInterpolationMethod;
      97             : class FVAdvectedInterpolationMethod;
      98             : class AutomaticMortarGeneration;
      99             : class VectorPostprocessor;
     100             : class Convergence;
     101             : class MooseAppCoordTransform;
     102             : class MortarUserObject;
     103             : class SolutionInvalidity;
     104             : 
     105             : namespace Moose
     106             : {
     107             : class FunctionBase;
     108             : }
     109             : 
     110             : #ifdef MOOSE_KOKKOS_ENABLED
     111             : namespace Moose::Kokkos
     112             : {
     113             : class MaterialPropertyStorage;
     114             : class Function;
     115             : class UserObject;
     116             : }
     117             : #endif
     118             : 
     119             : // libMesh forward declarations
     120             : namespace libMesh
     121             : {
     122             : class CouplingMatrix;
     123             : class NonlinearImplicitSystem;
     124             : class LinearImplicitSystem;
     125             : } // namespace libMesh
     126             : 
     127             : enum class MooseLinearConvergenceReason
     128             : {
     129             :   ITERATING = 0,
     130             :   // CONVERGED_RTOL_NORMAL        =  1,
     131             :   // CONVERGED_ATOL_NORMAL        =  9,
     132             :   CONVERGED_RTOL = 2,
     133             :   CONVERGED_ATOL = 3,
     134             :   CONVERGED_ITS = 4,
     135             :   // CONVERGED_CG_NEG_CURVE       =  5,
     136             :   // CONVERGED_CG_CONSTRAINED     =  6,
     137             :   // CONVERGED_STEP_LENGTH        =  7,
     138             :   // CONVERGED_HAPPY_BREAKDOWN    =  8,
     139             :   DIVERGED_NULL = -2,
     140             :   // DIVERGED_ITS                 = -3,
     141             :   // DIVERGED_DTOL                = -4,
     142             :   // DIVERGED_BREAKDOWN           = -5,
     143             :   // DIVERGED_BREAKDOWN_BICG      = -6,
     144             :   // DIVERGED_NONSYMMETRIC        = -7,
     145             :   // DIVERGED_INDEFINITE_PC       = -8,
     146             :   DIVERGED_NANORINF = -9,
     147             :   // DIVERGED_INDEFINITE_MAT      = -10
     148             :   DIVERGED_PCSETUP_FAILED = -11
     149             : };
     150             : 
     151             : /**
     152             :  * Specialization of SubProblem for solving nonlinear equations plus auxiliary equations
     153             :  *
     154             :  */
     155             : class FEProblemBase : public SubProblem, public Restartable
     156             : {
     157             : public:
     158             :   static InputParameters validParams();
     159             : 
     160             :   FEProblemBase(const InputParameters & parameters);
     161             :   virtual ~FEProblemBase();
     162             : 
     163             :   /**
     164             :    * @returns Whether the problem was initialized, i.e. whether \p init() has executed
     165             :    */
     166       61444 :   [[nodiscard]] bool initialized() const { return _initialized; }
     167             : 
     168             :   enum class CoverageCheckMode
     169             :   {
     170             :     FALSE,
     171             :     TRUE,
     172             :     OFF,
     173             :     ON,
     174             :     SKIP_LIST,
     175             :     ONLY_LIST,
     176             :   };
     177             : 
     178     1601004 :   virtual libMesh::EquationSystems & es() override { return _req.set().es(); }
     179   281787081 :   virtual MooseMesh & mesh() override { return _mesh; }
     180  2164959150 :   virtual const MooseMesh & mesh() const override { return _mesh; }
     181             :   const MooseMesh & mesh(bool use_displaced) const override;
     182             :   MooseMesh & mesh(bool use_displaced);
     183             : 
     184             :   void setCoordSystem(const std::vector<SubdomainName> & blocks, const MultiMooseEnum & coord_sys);
     185             :   void setAxisymmetricCoordAxis(const MooseEnum & rz_coord_axis);
     186             : 
     187             :   /**
     188             :    * Set the coupling between variables
     189             :    * TODO: allow user-defined coupling
     190             :    * @param type Type of coupling
     191             :    */
     192             :   void setCoupling(Moose::CouplingType type);
     193             : 
     194      473220 :   Moose::CouplingType coupling() const { return _coupling; }
     195             : 
     196             :   /**
     197             :    * Set custom coupling matrix
     198             :    * @param cm coupling matrix to be set
     199             :    * @param nl_sys_num which nonlinear system we are setting the coupling matrix for
     200             :    */
     201             :   void setCouplingMatrix(std::unique_ptr<libMesh::CouplingMatrix> cm,
     202             :                          const unsigned int nl_sys_num);
     203             : 
     204             :   // DEPRECATED METHOD
     205             :   void setCouplingMatrix(libMesh::CouplingMatrix * cm, const unsigned int nl_sys_num);
     206             : 
     207             :   const libMesh::CouplingMatrix * couplingMatrix(const unsigned int nl_sys_num) const override;
     208             : 
     209             :   /// Set custom coupling matrix for variables requiring nonlocal contribution
     210             :   void setNonlocalCouplingMatrix();
     211             : 
     212             :   bool
     213             :   areCoupled(const unsigned int ivar, const unsigned int jvar, const unsigned int nl_sys_num) const;
     214             : 
     215             :   /**
     216             :    * Whether or not MOOSE will perform a user object/auxiliary kernel state check
     217             :    */
     218             :   bool hasUOAuxStateCheck() const { return _uo_aux_state_check; }
     219             : 
     220             :   /**
     221             :    * Return a flag to indicate whether we are executing user objects and auxliary kernels for state
     222             :    * check
     223             :    * Note: This function can return true only when hasUOAuxStateCheck() returns true, i.e. the check
     224             :    *       has been activated by users through Problem/check_uo_aux_state input parameter.
     225             :    */
     226        3526 :   bool checkingUOAuxState() const { return _checking_uo_aux_state; }
     227             : 
     228             : #ifndef NDEBUG
     229             :   virtual bool checkResidualForNans() const override { return _check_residual_for_nans; }
     230             : 
     231             :   /// Setter for residual NaN/Inf checking
     232             :   void setCheckResidualForNans(bool check_residual_for_nans)
     233             :   {
     234             :     _check_residual_for_nans = check_residual_for_nans;
     235             :   }
     236             : #endif
     237             : 
     238             :   /**
     239             :    * Whether to trust the user coupling matrix even if we want to do things like be paranoid and
     240             :    * create a full coupling matrix. See https://github.com/idaholab/moose/issues/16395 for detailed
     241             :    * background
     242             :    */
     243             :   void trustUserCouplingMatrix();
     244             : 
     245             :   std::vector<std::pair<MooseVariableFEBase *, MooseVariableFEBase *>> &
     246             :   couplingEntries(const THREAD_ID tid, const unsigned int nl_sys_num);
     247             :   std::vector<std::pair<MooseVariableFEBase *, MooseVariableFEBase *>> &
     248             :   nonlocalCouplingEntries(const THREAD_ID tid, const unsigned int nl_sys_num);
     249             : 
     250             :   virtual bool hasVariable(const std::string & var_name) const override;
     251             :   // NOTE: hasAuxiliaryVariable defined in parent class
     252             :   bool hasSolverVariable(const std::string & var_name) const;
     253             :   using SubProblem::getVariable;
     254             :   virtual const MooseVariableFieldBase &
     255             :   getVariable(const THREAD_ID tid,
     256             :               const std::string & var_name,
     257             :               Moose::VarKindType expected_var_type = Moose::VarKindType::VAR_ANY,
     258             :               Moose::VarFieldType expected_var_field_type =
     259             :                   Moose::VarFieldType::VAR_FIELD_ANY) const override;
     260             :   MooseVariableFieldBase & getActualFieldVariable(const THREAD_ID tid,
     261             :                                                   const std::string & var_name) override;
     262             :   virtual MooseVariable & getStandardVariable(const THREAD_ID tid,
     263             :                                               const std::string & var_name) override;
     264             :   virtual VectorMooseVariable & getVectorVariable(const THREAD_ID tid,
     265             :                                                   const std::string & var_name) override;
     266             :   virtual ArrayMooseVariable & getArrayVariable(const THREAD_ID tid,
     267             :                                                 const std::string & var_name) override;
     268             : 
     269             :   virtual bool hasScalarVariable(const std::string & var_name) const override;
     270             :   virtual MooseVariableScalar & getScalarVariable(const THREAD_ID tid,
     271             :                                                   const std::string & var_name) override;
     272             :   virtual libMesh::System & getSystem(const std::string & var_name) override;
     273             : 
     274             :   /// Get the RestartableEquationSystems object
     275             :   const RestartableEquationSystems & getRestartableEquationSystems() const;
     276             : 
     277             :   /**
     278             :    * Set the MOOSE variables to be reinited on each element.
     279             :    * @param moose_vars A set of variables that need to be reinited each time reinit() is called.
     280             :    *
     281             :    * @param tid The thread id
     282             :    */
     283             :   virtual void setActiveElementalMooseVariables(const std::set<MooseVariableFEBase *> & moose_vars,
     284             :                                                 const THREAD_ID tid) override;
     285             : 
     286             :   /**
     287             :    * Clear the active elemental MooseVariableFEBase.  If there are no active variables then they
     288             :    * will all be reinited. Call this after finishing the computation that was using a restricted set
     289             :    * of MooseVariableFEBases
     290             :    *
     291             :    * @param tid The thread id
     292             :    */
     293             :   virtual void clearActiveElementalMooseVariables(const THREAD_ID tid) override;
     294             : 
     295             :   virtual void clearActiveFEVariableCoupleableMatrixTags(const THREAD_ID tid) override;
     296             : 
     297             :   virtual void clearActiveFEVariableCoupleableVectorTags(const THREAD_ID tid) override;
     298             : 
     299             :   virtual void setActiveFEVariableCoupleableVectorTags(std::set<TagID> & vtags,
     300             :                                                        const THREAD_ID tid) override;
     301             : 
     302             :   virtual void setActiveFEVariableCoupleableMatrixTags(std::set<TagID> & mtags,
     303             :                                                        const THREAD_ID tid) override;
     304             : 
     305             :   virtual void clearActiveScalarVariableCoupleableMatrixTags(const THREAD_ID tid) override;
     306             : 
     307             :   virtual void clearActiveScalarVariableCoupleableVectorTags(const THREAD_ID tid) override;
     308             : 
     309             :   virtual void setActiveScalarVariableCoupleableVectorTags(std::set<TagID> & vtags,
     310             :                                                            const THREAD_ID tid) override;
     311             : 
     312             :   virtual void setActiveScalarVariableCoupleableMatrixTags(std::set<TagID> & mtags,
     313             :                                                            const THREAD_ID tid) override;
     314             : 
     315             :   virtual void createQRules(libMesh::QuadratureType type,
     316             :                             libMesh::Order order,
     317             :                             libMesh::Order volume_order = libMesh::INVALID_ORDER,
     318             :                             libMesh::Order face_order = libMesh::INVALID_ORDER,
     319             :                             SubdomainID block = Moose::ANY_BLOCK_ID,
     320             :                             bool allow_negative_qweights = true);
     321             : 
     322             :   /**
     323             :    * Increases the element/volume quadrature order for the specified mesh
     324             :    * block if and only if the current volume quadrature order is lower.  This
     325             :    * can only cause the quadrature level to increase.  If volume_order is
     326             :    * lower than or equal to the current volume/elem quadrature rule order,
     327             :    * then nothing is done (i.e. this function is idempotent).
     328             :    */
     329             :   void bumpVolumeQRuleOrder(libMesh::Order order, SubdomainID block);
     330             : 
     331             :   void bumpAllQRuleOrder(libMesh::Order order, SubdomainID block);
     332             : 
     333             :   /**
     334             :    * @return The maximum number of quadrature points in use on any element in this problem.
     335             :    */
     336             :   unsigned int getMaxQps() const;
     337             : 
     338             :   /**
     339             :    * @return The maximum order for all scalar variables in this problem's systems.
     340             :    */
     341             :   libMesh::Order getMaxScalarOrder() const;
     342             : 
     343             :   /**
     344             :    * @return Flag indicating nonlocal coupling exists or not.
     345             :    */
     346             :   void checkNonlocalCoupling();
     347             :   void checkUserObjectJacobianRequirement(THREAD_ID tid);
     348             :   void setVariableAllDoFMap(const std::vector<const MooseVariableFEBase *> & moose_vars);
     349             : 
     350             :   const std::vector<const MooseVariableFEBase *> &
     351        1272 :   getUserObjectJacobianVariables(const THREAD_ID tid) const
     352             :   {
     353        1272 :     return _uo_jacobian_moose_vars[tid];
     354             :   }
     355             : 
     356             :   virtual Assembly & assembly(const THREAD_ID tid, const unsigned int sys_num) override;
     357             :   virtual const Assembly & assembly(const THREAD_ID tid, const unsigned int sys_num) const override;
     358             : 
     359             : #ifdef MOOSE_KOKKOS_ENABLED
     360       23447 :   Moose::Kokkos::Assembly & kokkosAssembly() { return _kokkos_assembly; }
     361             :   const Moose::Kokkos::Assembly & kokkosAssembly() const { return _kokkos_assembly; }
     362             : #endif
     363             : 
     364             :   /**
     365             :    * Returns a list of all the variables in the problem (both from the NL and Aux systems.
     366             :    */
     367             :   virtual std::vector<VariableName> getVariableNames();
     368             : 
     369             :   void initialSetup() override;
     370             :   void checkDuplicatePostprocessorVariableNames();
     371             :   void timestepSetup() override;
     372             :   void customSetup(const ExecFlagType & exec_type) override;
     373             :   void residualSetup() override;
     374             :   void jacobianSetup() override;
     375             : 
     376             :   virtual void prepare(const Elem * elem, const THREAD_ID tid) override;
     377             :   virtual void prepareFace(const Elem * elem, const THREAD_ID tid) override;
     378             :   virtual void prepare(const Elem * elem,
     379             :                        unsigned int ivar,
     380             :                        unsigned int jvar,
     381             :                        const std::vector<dof_id_type> & dof_indices,
     382             :                        const THREAD_ID tid) override;
     383             : 
     384             :   virtual void setCurrentSubdomainID(const Elem * elem, const THREAD_ID tid) override;
     385             :   virtual void
     386             :   setNeighborSubdomainID(const Elem * elem, unsigned int side, const THREAD_ID tid) override;
     387             :   virtual void setNeighborSubdomainID(const Elem * elem, const THREAD_ID tid);
     388             :   virtual void prepareAssembly(const THREAD_ID tid) override;
     389             : 
     390             :   virtual void addGhostedElem(dof_id_type elem_id) override;
     391             :   virtual void addGhostedBoundary(BoundaryID boundary_id) override;
     392             :   virtual void ghostGhostedBoundaries() override;
     393             : 
     394             :   virtual void sizeZeroes(unsigned int size, const THREAD_ID tid);
     395             :   virtual bool reinitDirac(const Elem * elem, const THREAD_ID tid) override;
     396             : 
     397             :   virtual void reinitElem(const Elem * elem, const THREAD_ID tid) override;
     398             :   virtual void reinitElemPhys(const Elem * elem,
     399             :                               const std::vector<Point> & phys_points_in_elem,
     400             :                               const THREAD_ID tid) override;
     401             :   void reinitElemFace(const Elem * elem, unsigned int side, BoundaryID, const THREAD_ID tid);
     402             :   virtual void reinitElemFace(const Elem * elem, unsigned int side, const THREAD_ID tid) override;
     403             :   virtual void reinitLowerDElem(const Elem * lower_d_elem,
     404             :                                 const THREAD_ID tid,
     405             :                                 const std::vector<Point> * const pts = nullptr,
     406             :                                 const std::vector<Real> * const weights = nullptr) override;
     407             :   virtual void reinitNode(const Node * node, const THREAD_ID tid) override;
     408             :   virtual void reinitNodeFace(const Node * node, BoundaryID bnd_id, const THREAD_ID tid) override;
     409             :   virtual void reinitNodes(const std::vector<dof_id_type> & nodes, const THREAD_ID tid) override;
     410             :   virtual void reinitNodesNeighbor(const std::vector<dof_id_type> & nodes,
     411             :                                    const THREAD_ID tid) override;
     412             :   virtual void reinitNeighbor(const Elem * elem, unsigned int side, const THREAD_ID tid) override;
     413             :   virtual void reinitNeighborPhys(const Elem * neighbor,
     414             :                                   unsigned int neighbor_side,
     415             :                                   const std::vector<Point> & physical_points,
     416             :                                   const THREAD_ID tid) override;
     417             :   virtual void reinitNeighborPhys(const Elem * neighbor,
     418             :                                   const std::vector<Point> & physical_points,
     419             :                                   const THREAD_ID tid) override;
     420             :   virtual void
     421             :   reinitElemNeighborAndLowerD(const Elem * elem, unsigned int side, const THREAD_ID tid) override;
     422             :   virtual void reinitScalars(const THREAD_ID tid,
     423             :                              bool reinit_for_derivative_reordering = false) override;
     424             :   virtual void reinitOffDiagScalars(const THREAD_ID tid) override;
     425             : 
     426             :   /// Fills "elems" with the elements that should be looped over for Dirac Kernels
     427             :   virtual void getDiracElements(std::set<const Elem *> & elems) override;
     428             :   virtual void clearDiracInfo() override;
     429             : 
     430             :   virtual void subdomainSetup(SubdomainID subdomain, const THREAD_ID tid);
     431             :   virtual void neighborSubdomainSetup(SubdomainID subdomain, const THREAD_ID tid);
     432             : 
     433             :   virtual void newAssemblyArray(std::vector<std::shared_ptr<SolverSystem>> & solver_systems);
     434             :   virtual void initNullSpaceVectors(const InputParameters & parameters,
     435             :                                     std::vector<std::shared_ptr<NonlinearSystemBase>> & nl);
     436             : 
     437             :   virtual void init() override;
     438             :   virtual void solve(const unsigned int nl_sys_num);
     439             : 
     440             : #ifdef MOOSE_KOKKOS_ENABLED
     441             :   /**
     442             :    * Construct Kokkos assembly and systems and allocate Kokkos material property storages
     443             :    */
     444             :   void initKokkos();
     445             : #endif
     446             : 
     447             :   /**
     448             :    * Build and solve a linear system
     449             :    * @param linear_sys_num The number of the linear system (1,..,num. of lin. systems)
     450             :    * @param po The petsc options for the solve, if not supplied, the defaults are used
     451             :    */
     452             :   virtual void solveLinearSystem(const unsigned int linear_sys_num,
     453             :                                  const Moose::PetscSupport::PetscOptions * po = nullptr);
     454             : 
     455             :   ///@{
     456             :   /**
     457             :    * In general, {evaluable elements} >= {local elements} U {algebraic ghosting elements}. That is,
     458             :    * the number of evaluable elements does NOT necessarily equal to the number of local and
     459             :    * algebraic ghosting elements. For example, if using a Lagrange basis for all variables,
     460             :    * if a non-local, non-algebraically-ghosted element is surrounded by neighbors which are
     461             :    * local or algebraically ghosted, then all the nodal (Lagrange) degrees of freedom associated
     462             :    * with the non-local, non-algebraically-ghosted element will be evaluable, and hence that
     463             :    * element will be considered evaluable.
     464             :    *
     465             :    * getNonlinearEvaluableElementRange() returns the evaluable element range based on the nonlinear
     466             :    * system dofmap;
     467             :    * getAuxliaryEvaluableElementRange() returns the evaluable element range based on the auxiliary
     468             :    * system dofmap;
     469             :    * getEvaluableElementRange() returns the element range that is evaluable based on both the
     470             :    * nonlinear dofmap and the auxliary dofmap.
     471             :    */
     472             :   const libMesh::ConstElemRange & getEvaluableElementRange();
     473             :   const libMesh::ConstElemRange & getNonlinearEvaluableElementRange();
     474             :   ///@}
     475             : 
     476             :   ///@{
     477             :   /**
     478             :    * These are the element and nodes that contribute to the jacobian and
     479             :    * residual for this local processor.
     480             :    *
     481             :    * getCurrentAlgebraicElementRange() returns the element range that contributes to the
     482             :    * system
     483             :    * getCurrentAlgebraicNodeRange() returns the node range that contributes to the
     484             :    * system
     485             :    * getCurrentAlgebraicBndNodeRange returns the boundary node ranges that contributes
     486             :    * to the system
     487             :    */
     488             :   const libMesh::ConstElemRange & getCurrentAlgebraicElementRange();
     489             :   const libMesh::ConstNodeRange & getCurrentAlgebraicNodeRange();
     490             :   const ConstBndNodeRange & getCurrentAlgebraicBndNodeRange();
     491             :   ///@}
     492             : 
     493             :   ///@{
     494             :   /**
     495             :    * These functions allow setting custom ranges for the algebraic elements, nodes,
     496             :    * and boundary nodes that contribute to the jacobian and residual for this local
     497             :    * processor.
     498             :    *
     499             :    * setCurrentAlgebraicElementRange() sets the element range that contributes to the
     500             :    * system. A nullptr will reset the range to use the mesh's range.
     501             :    *
     502             :    * setCurrentAlgebraicNodeRange() sets the node range that contributes to the
     503             :    * system. A nullptr will reset the range to use the mesh's range.
     504             :    *
     505             :    * setCurrentAlgebraicBndNodeRange() sets the boundary node range that contributes
     506             :    * to the system. A nullptr will reset the range to use the mesh's range.
     507             :    *
     508             :    * @param range A pointer to the const range object representing the algebraic
     509             :    *              elements, nodes, or boundary nodes.
     510             :    */
     511             :   void setCurrentAlgebraicElementRange(libMesh::ConstElemRange * range);
     512             :   void setCurrentAlgebraicNodeRange(libMesh::ConstNodeRange * range);
     513             :   void setCurrentAlgebraicBndNodeRange(ConstBndNodeRange * range);
     514             :   ///@}
     515             : 
     516             :   /**
     517             :    * Set an exception, which is stored at this point by toggling a member variable in
     518             :    * this class, and which must be followed up with by a call to
     519             :    * checkExceptionAndStopSolve().
     520             :    *
     521             :    * @param message The error message describing the exception, which will get printed
     522             :    *                when checkExceptionAndStopSolve() is called
     523             :    */
     524             :   virtual void setException(const std::string & message);
     525             : 
     526             :   /**
     527             :    * Whether or not an exception has occurred.
     528             :    */
     529   469947952 :   virtual bool hasException() { return _has_exception; }
     530             : 
     531             :   /**
     532             :    * Check to see if an exception has occurred on any processor and, if possible,
     533             :    * force the solve to fail, which will result in the time step being cut.
     534             :    *
     535             :    * Notes:
     536             :    *  * The exception have be registered by calling setException() prior to calling this.
     537             :    *  * This is collective on MPI, and must be called simultaneously by all processors!
     538             :    *  * If called when the solve can be interruped, it will do so and also throw a
     539             :    *    MooseException, which must be handled.
     540             :    *  * If called at a stage in the execution when the solve cannot be interupted (i.e.,
     541             :    *    there is no solve active), it will generate an error and terminate the application.
     542             :    *  * DO NOT CALL THIS IN A THREADED REGION! This is meant to be called just after a
     543             :    *    threaded section.
     544             :    *
     545             :    * @param print_message whether to print a message with exception information
     546             :    */
     547             :   virtual void checkExceptionAndStopSolve(bool print_message = true);
     548             : 
     549             :   virtual bool solverSystemConverged(const unsigned int solver_sys_num) override;
     550             :   virtual unsigned int nNonlinearIterations(const unsigned int nl_sys_num) const override;
     551             :   virtual unsigned int nLinearIterations(const unsigned int nl_sys_num) const override;
     552             :   virtual Real finalNonlinearResidual(const unsigned int nl_sys_num) const override;
     553             :   virtual bool computingPreSMOResidual(const unsigned int nl_sys_num) const override;
     554             : 
     555             :   /**
     556             :    * Return solver type as a human readable string
     557             :    */
     558             :   virtual std::string solverTypeString(unsigned int solver_sys_num = 0);
     559             : 
     560             :   /**
     561             :    * Returns true if we are in or beyond the initialSetup stage
     562             :    */
     563       72336 :   virtual bool startedInitialSetup() { return _started_initial_setup; }
     564             : 
     565             :   virtual void onTimestepBegin() override;
     566             :   virtual void onTimestepEnd() override;
     567             : 
     568     6419835 :   virtual Real & time() const { return _time; }
     569      965185 :   virtual Real & timeOld() const { return _time_old; }
     570     1446474 :   virtual int & timeStep() const { return _t_step; }
     571    12672172 :   virtual Real & dt() const { return _dt; }
     572      974997 :   virtual Real & dtOld() const { return _dt_old; }
     573             :   /**
     574             :    * Returns the time associated with the requested \p state
     575             :    */
     576             :   Real getTimeFromStateArg(const Moose::StateArg & state) const;
     577             : 
     578       30103 :   virtual void transient(bool trans) { _transient = trans; }
     579  2130852327 :   virtual bool isTransient() const override { return _transient; }
     580             : 
     581             :   virtual void addTimeIntegrator(const std::string & type,
     582             :                                  const std::string & name,
     583             :                                  InputParameters & parameters);
     584             :   virtual void
     585             :   addPredictor(const std::string & type, const std::string & name, InputParameters & parameters);
     586             : 
     587             :   virtual void copySolutionsBackwards();
     588             : 
     589             :   /// Prevents the copy of the solution vector to the old solution vector in each system.
     590             :   /// Old -> Older is still performed
     591             :   /// This is useful for MultiApps fixed point iterations
     592             :   void skipNextForwardSolutionCopyToOld();
     593             : 
     594             :   /**
     595             :    * Advance all of the state holding vectors / datastructures so that we can move to the next
     596             :    * timestep.
     597             :    */
     598             :   virtual void advanceState();
     599             : 
     600             :   virtual void restoreSolutions();
     601             : 
     602             :   /**
     603             :    * Allocate vectors and save old solutions into them.
     604             :    */
     605             :   virtual void saveOldSolutions();
     606             : 
     607             :   /**
     608             :    * Restore old solutions from the backup vectors and deallocate them.
     609             :    */
     610             :   virtual void restoreOldSolutions();
     611             : 
     612             :   /**
     613             :    * Declare that we need up to old (1) or older (2) solution states for a given type of iteration
     614             :    * @param oldest_needed oldest solution state needed
     615             :    * @param iteration_type the type of iteration for which old/older states are needed
     616             :    */
     617             :   void needSolutionState(unsigned int oldest_needed, Moose::SolutionIterationType iteration_type);
     618             : 
     619             :   /**
     620             :    * Whether we need up to old (1) or older (2) solution states for a given type of iteration
     621             :    * @param oldest_needed oldest solution state needed
     622             :    * @param iteration_type the type of iteration for which old/older states are needed
     623             :    */
     624             :   bool hasSolutionState(unsigned int state, Moose::SolutionIterationType iteration_type) const;
     625             : 
     626             :   /**
     627             :    * Output the current step.
     628             :    * Will ensure that everything is in the proper state to be outputted.
     629             :    * Then tell the OutputWarehouse to do its thing
     630             :    * @param type The type execution flag (see Moose.h)
     631             :    */
     632             :   virtual void outputStep(ExecFlagType type);
     633             : 
     634             :   /**
     635             :    * Method called at the end of the simulation.
     636             :    */
     637             :   virtual void postExecute();
     638             : 
     639             :   ///@{
     640             :   /**
     641             :    * Ability to enable/disable all output calls
     642             :    *
     643             :    * This is needed by Multiapps and applications to disable output for cases when
     644             :    * executioners call other executions and when Multiapps are sub cycling.
     645             :    */
     646             :   void allowOutput(bool state);
     647             :   template <typename T>
     648             :   void allowOutput(bool state);
     649             :   ///@}
     650             : 
     651             :   /**
     652             :    * Indicates that the next call to outputStep should be forced
     653             :    *
     654             :    * This is needed by the MultiApp system, if forceOutput is called the next call to outputStep,
     655             :    * regardless of the type supplied to the call, will be executed with EXEC_FORCED.
     656             :    *
     657             :    * Forced output will NOT override the allowOutput flag.
     658             :    */
     659             :   void forceOutput();
     660             : 
     661             :   /**
     662             :    * Reinitialize PETSc output for proper linear/nonlinear iteration display. This also may be used
     663             :    * for some PETSc-related solver settings
     664             :    */
     665             :   virtual void initPetscOutputAndSomeSolverSettings();
     666             : 
     667             :   /**
     668             :    * Retrieve a writable reference the PETSc options (used by PetscSupport)
     669             :    */
     670      223924 :   Moose::PetscSupport::PetscOptions & getPetscOptions() { return _petsc_options; }
     671             : 
     672             :   /**
     673             :    * Output information about the object just added to the problem
     674             :    */
     675             :   void logAdd(const std::string & system,
     676             :               const std::string & name,
     677             :               const std::string & type,
     678             :               const InputParameters & params) const;
     679             : 
     680             :   // Function /////
     681             :   virtual void
     682             :   addFunction(const std::string & type, const std::string & name, InputParameters & parameters);
     683             :   virtual bool hasFunction(const std::string & name, const THREAD_ID tid = 0);
     684             :   virtual Function & getFunction(const std::string & name, const THREAD_ID tid = 0);
     685             : 
     686             : #ifdef MOOSE_KOKKOS_ENABLED
     687             :   /**
     688             :    * Add a Kokkos function to the problem
     689             :    * @param type The Kokkos function type
     690             :    * @param name The Kokkos function name
     691             :    * @param parameters The Kokkos function input parameters
     692             :    */
     693             :   virtual void addKokkosFunction(const std::string & type,
     694             :                                  const std::string & name,
     695             :                                  InputParameters & parameters);
     696             :   /**
     697             :    * Get whether a Kokkos function exists
     698             :    * @param name The Kokkos function name
     699             :    * @returns Whether a Kokkos function exists
     700             :    */
     701             :   virtual bool hasKokkosFunction(const std::string & name) const;
     702             :   /**
     703             :    * Get a Kokkos function in an abstract type
     704             :    * @param name The Kokkos function name
     705             :    * @returns The copy of the Kokkos function in the abstract type
     706             :    */
     707             :   virtual Moose::Kokkos::Function getKokkosFunction(const std::string & name);
     708             :   /**
     709             :    * Get a Kokkos function in a concrete type
     710             :    * @tparam T The Kokkos function type
     711             :    * @param name The Kokkos function name
     712             :    * @returns The reference of the Kokkos function in the concrete type
     713             :    */
     714             :   template <typename T>
     715             :   T & getKokkosFunction(const std::string & name);
     716             : #endif
     717             : 
     718             :   /// Add a MeshDivision
     719             :   virtual void
     720             :   addMeshDivision(const std::string & type, const std::string & name, InputParameters & params);
     721             :   /// Get a MeshDivision
     722             :   MeshDivision & getMeshDivision(const std::string & name, const THREAD_ID tid = 0) const;
     723             : 
     724             :   /// Adds a Convergence object
     725             :   virtual void
     726             :   addConvergence(const std::string & type, const std::string & name, InputParameters & parameters);
     727             :   /// Gets a Convergence object
     728             :   virtual Convergence & getConvergence(const std::string & name, const THREAD_ID tid = 0) const;
     729             :   /// Gets the Convergence objects
     730             :   virtual const std::vector<std::shared_ptr<Convergence>> &
     731             :   getConvergenceObjects(const THREAD_ID tid = 0) const;
     732             :   /// Returns true if the problem has a Convergence object of the given name
     733             :   virtual bool hasConvergence(const std::string & name, const THREAD_ID tid = 0) const;
     734             :   /// Returns true if the problem needs to add the default nonlinear convergence
     735       61016 :   bool needToAddDefaultNonlinearConvergence() const
     736             :   {
     737       61016 :     return _need_to_add_default_nonlinear_convergence;
     738             :   }
     739             :   /// Returns true if the problem needs to add the default fixed point convergence
     740       61007 :   bool needToAddDefaultMultiAppFixedPointConvergence() const
     741             :   {
     742       61007 :     return _need_to_add_default_multiapp_fixed_point_convergence;
     743             :   }
     744             :   /// Returns true if the problem needs to add the default steady-state detection convergence
     745       60998 :   bool needToAddDefaultSteadyStateConvergence() const
     746             :   {
     747       60998 :     return _need_to_add_default_steady_state_convergence;
     748             :   }
     749             :   /// Sets _need_to_add_default_nonlinear_convergence to true
     750       59403 :   void setNeedToAddDefaultNonlinearConvergence()
     751             :   {
     752       59403 :     _need_to_add_default_nonlinear_convergence = true;
     753       59403 :   }
     754             :   /// Sets _need_to_add_default_multiapp_fixed_point_convergence to true
     755       60992 :   void setNeedToAddDefaultMultiAppFixedPointConvergence()
     756             :   {
     757       60992 :     _need_to_add_default_multiapp_fixed_point_convergence = true;
     758       60992 :   }
     759             :   /// Sets _need_to_add_default_steady_state_convergence to true
     760       29942 :   void setNeedToAddDefaultSteadyStateConvergence()
     761             :   {
     762       29942 :     _need_to_add_default_steady_state_convergence = true;
     763       29942 :   }
     764             :   /// Returns true if the problem has set the fixed point convergence name
     765       60998 :   bool hasSetMultiAppFixedPointConvergenceName() const
     766             :   {
     767       60998 :     return _multiapp_fixed_point_convergence_name.has_value();
     768             :   }
     769             :   /// Returns true if the problem has set the steady-state detection convergence name
     770             :   bool hasSetSteadyStateConvergenceName() const
     771             :   {
     772             :     return _steady_state_convergence_name.has_value();
     773             :   }
     774             :   /**
     775             :    * Adds the default nonlinear Convergence associated with the problem
     776             :    *
     777             :    * This is called if the user does not supply 'nonlinear_convergence'.
     778             :    *
     779             :    * @param[in] params   Parameters to apply to Convergence parameters
     780             :    */
     781             :   virtual void addDefaultNonlinearConvergence(const InputParameters & params);
     782             :   /**
     783             :    * Returns true if an error will result if the user supplies 'nonlinear_convergence'
     784             :    *
     785             :    * Some problems are strongly tied to their convergence, and it does not make
     786             :    * sense to use any convergence other than their default and additionally
     787             :    * would be error-prone.
     788             :    */
     789         306 :   virtual bool onlyAllowDefaultNonlinearConvergence() const { return false; }
     790             :   /**
     791             :    * Adds the default fixed point Convergence associated with the problem
     792             :    *
     793             :    * This is called if the user does not supply 'multiapp_fixed_point_convergence'.
     794             :    *
     795             :    * @param[in] params   Parameters to apply to Convergence parameters
     796             :    */
     797             :   void addDefaultMultiAppFixedPointConvergence(const InputParameters & params);
     798             :   /**
     799             :    * Adds the default steady-state detection Convergence
     800             :    *
     801             :    * This is called if the user does not supply 'steady_state_convergence'.
     802             :    *
     803             :    * @param[in] params   Parameters to apply to Convergence parameters
     804             :    */
     805             :   void addDefaultSteadyStateConvergence(const InputParameters & params);
     806             : 
     807             :   /**
     808             :    * add a MOOSE line search
     809             :    */
     810           0 :   virtual void addLineSearch(const InputParameters & /*parameters*/)
     811             :   {
     812           0 :     mooseError("Line search not implemented for this problem type yet.");
     813             :   }
     814             : 
     815             :   /**
     816             :    * execute MOOSE line search
     817             :    */
     818             :   virtual void lineSearch();
     819             : 
     820             :   /**
     821             :    * getter for the MOOSE line search
     822             :    */
     823           0 :   LineSearch * getLineSearch() override { return _line_search.get(); }
     824             : 
     825             :   /**
     826             :    * The following functions will enable MOOSE to have the capability to import distributions
     827             :    */
     828             :   virtual void
     829             :   addDistribution(const std::string & type, const std::string & name, InputParameters & parameters);
     830             :   virtual bool hasDistribution(const std::string & name) const;
     831             :   virtual Distribution & getDistribution(const std::string & name);
     832             : 
     833             :   /**
     834             :    * The following functions will enable MOOSE to have the capability to import Samplers
     835             :    */
     836             :   virtual void
     837             :   addSampler(const std::string & type, const std::string & name, InputParameters & parameters);
     838             :   virtual Sampler & getSampler(const std::string & name, const THREAD_ID tid = 0);
     839             : 
     840             :   // NL /////
     841             :   NonlinearSystemBase & getNonlinearSystemBase(const unsigned int sys_num);
     842             :   const NonlinearSystemBase & getNonlinearSystemBase(const unsigned int sys_num) const;
     843             :   void setCurrentNonlinearSystem(const unsigned int nl_sys_num);
     844             :   NonlinearSystemBase & currentNonlinearSystem();
     845             :   const NonlinearSystemBase & currentNonlinearSystem() const;
     846             : 
     847             :   virtual const SystemBase & systemBaseNonlinear(const unsigned int sys_num) const override;
     848             :   virtual SystemBase & systemBaseNonlinear(const unsigned int sys_num) override;
     849             : 
     850             :   virtual const SystemBase & systemBaseSolver(const unsigned int sys_num) const override;
     851             :   virtual SystemBase & systemBaseSolver(const unsigned int sys_num) override;
     852             : 
     853             :   virtual const SystemBase & systemBaseAuxiliary() const override;
     854             :   virtual SystemBase & systemBaseAuxiliary() override;
     855             : 
     856             :   virtual NonlinearSystem & getNonlinearSystem(const unsigned int sys_num);
     857             : 
     858             : #ifdef MOOSE_KOKKOS_ENABLED
     859             :   /**
     860             :    * Get all Kokkos systems that are associated with MOOSE nonlinear and auxiliary systems
     861             :    * @returns The array of Kokkos systems
     862             :    */
     863             :   ///@{
     864      173801 :   Moose::Kokkos::Array<Moose::Kokkos::System> & getKokkosSystems() { return _kokkos_systems; }
     865             :   const Moose::Kokkos::Array<Moose::Kokkos::System> & getKokkosSystems() const
     866             :   {
     867             :     return _kokkos_systems;
     868             :   }
     869             :   ///@}
     870             :   /**
     871             :    * Get the Kokkos system of a specified number that is associated with MOOSE nonlinear and
     872             :    * auxiliary systems
     873             :    * @param sys_num The system number
     874             :    * @returns The Kokkos system
     875             :    */
     876             :   ///@{
     877             :   Moose::Kokkos::System & getKokkosSystem(const unsigned int sys_num);
     878             :   const Moose::Kokkos::System & getKokkosSystem(const unsigned int sys_num) const;
     879             :   ///@}
     880             : #endif
     881             : 
     882             :   /**
     883             :    * Get constant reference to a system in this problem
     884             :    * @param sys_num The number of the system
     885             :    */
     886             :   virtual const SystemBase & getSystemBase(const unsigned int sys_num) const;
     887             : 
     888             :   /**
     889             :    * Get non-constant reference to a system in this problem
     890             :    * @param sys_num The number of the system
     891             :    */
     892             :   virtual SystemBase & getSystemBase(const unsigned int sys_num);
     893             : 
     894             :   /**
     895             :    * Get non-constant reference to a system in this problem
     896             :    * @param sys_name The name of the system
     897             :    */
     898             :   SystemBase & getSystemBase(const std::string & sys_name);
     899             : 
     900             :   /**
     901             :    * Get non-constant reference to a linear system
     902             :    * @param sys_num The number of the linear system
     903             :    */
     904             :   LinearSystem & getLinearSystem(unsigned int sys_num);
     905             : 
     906             :   /**
     907             :    * Get a constant reference to a linear system
     908             :    * @param sys_num The number of the linear system
     909             :    */
     910             :   const LinearSystem & getLinearSystem(unsigned int sys_num) const;
     911             : 
     912             :   /**
     913             :    * Get non-constant reference to a solver system
     914             :    * @param sys_num The number of the solver system
     915             :    */
     916             :   SolverSystem & getSolverSystem(unsigned int sys_num);
     917             : 
     918             :   /**
     919             :    * Get a constant reference to a solver system
     920             :    * @param sys_num The number of the solver system
     921             :    */
     922             :   const SolverSystem & getSolverSystem(unsigned int sys_num) const;
     923             : 
     924             :   /**
     925             :    * Set the current linear system pointer
     926             :    * @param sys_num The number of linear system
     927             :    */
     928             :   void setCurrentLinearSystem(unsigned int sys_num);
     929             : 
     930             :   /// Get a non-constant reference to the current linear system
     931             :   LinearSystem & currentLinearSystem();
     932             :   /// Get a constant reference to the current linear system
     933             :   const LinearSystem & currentLinearSystem() const;
     934             : 
     935             :   /**
     936             :    * Get a constant base class reference to a linear system
     937             :    * @param sys_num The number of the linear system
     938             :    */
     939             :   virtual const SystemBase & systemBaseLinear(unsigned int sys_num) const override;
     940             : 
     941             :   /**
     942             :    * Get a non-constant base class reference to a linear system
     943             :    * @param sys_num The number of the linear system
     944             :    */
     945             :   virtual SystemBase & systemBaseLinear(unsigned int sys_num) override;
     946             : 
     947             :   /**
     948             :    * Canonical method for adding a non-linear variable
     949             :    * @param var_type the type of the variable, e.g. MooseVariableScalar
     950             :    * @param var_name the variable name, e.g. 'u'
     951             :    * @param params the InputParameters from which to construct the variable
     952             :    */
     953             :   virtual void
     954             :   addVariable(const std::string & var_type, const std::string & var_name, InputParameters & params);
     955             : 
     956             :   virtual void addKernel(const std::string & kernel_name,
     957             :                          const std::string & name,
     958             :                          InputParameters & parameters);
     959             :   virtual void addHDGKernel(const std::string & kernel_name,
     960             :                             const std::string & name,
     961             :                             InputParameters & parameters);
     962             :   virtual void addNodalKernel(const std::string & kernel_name,
     963             :                               const std::string & name,
     964             :                               InputParameters & parameters);
     965             :   virtual void addScalarKernel(const std::string & kernel_name,
     966             :                                const std::string & name,
     967             :                                InputParameters & parameters);
     968             :   virtual void addBoundaryCondition(const std::string & bc_name,
     969             :                                     const std::string & name,
     970             :                                     InputParameters & parameters);
     971             : 
     972             : #ifdef MOOSE_KOKKOS_ENABLED
     973             :   virtual void addKokkosKernel(const std::string & kernel_name,
     974             :                                const std::string & name,
     975             :                                InputParameters & parameters);
     976             :   virtual void addKokkosNodalKernel(const std::string & kernel_name,
     977             :                                     const std::string & name,
     978             :                                     InputParameters & parameters);
     979             :   virtual void addKokkosBoundaryCondition(const std::string & bc_name,
     980             :                                           const std::string & name,
     981             :                                           InputParameters & parameters);
     982             : #endif
     983             : 
     984             :   virtual void
     985             :   addConstraint(const std::string & c_name, const std::string & name, InputParameters & parameters);
     986             : 
     987     1707199 :   virtual void setInputParametersFEProblem(InputParameters & parameters)
     988             :   {
     989     3414398 :     parameters.set<FEProblemBase *>("_fe_problem_base") = this;
     990     1707199 :   }
     991             : 
     992             :   // Aux /////
     993             : 
     994             :   /**
     995             :    * Canonical method for adding an auxiliary variable
     996             :    * @param var_type the type of the variable, e.g. MooseVariableScalar
     997             :    * @param var_name the variable name, e.g. 'u'
     998             :    * @param params the InputParameters from which to construct the variable
     999             :    */
    1000             :   virtual void addAuxVariable(const std::string & var_type,
    1001             :                               const std::string & var_name,
    1002             :                               InputParameters & params);
    1003             : 
    1004             :   /**
    1005             :    * Add an elemental field variable for use in the adaptivity system
    1006             :    */
    1007             :   virtual void addElementalFieldVariable(const std::string & var_type,
    1008             :                                          const std::string & var_name,
    1009             :                                          InputParameters & params);
    1010             : 
    1011             :   virtual void addAuxVariable(const std::string & var_name,
    1012             :                               const libMesh::FEType & type,
    1013             :                               const std::set<SubdomainID> * const active_subdomains = NULL);
    1014             :   virtual void addAuxArrayVariable(const std::string & var_name,
    1015             :                                    const libMesh::FEType & type,
    1016             :                                    unsigned int components,
    1017             :                                    const std::set<SubdomainID> * const active_subdomains = NULL);
    1018             :   virtual void addAuxScalarVariable(const std::string & var_name,
    1019             :                                     libMesh::Order order,
    1020             :                                     Real scale_factor = 1.,
    1021             :                                     const std::set<SubdomainID> * const active_subdomains = NULL);
    1022             :   virtual void addAuxKernel(const std::string & kernel_name,
    1023             :                             const std::string & name,
    1024             :                             InputParameters & parameters);
    1025             :   virtual void addAuxScalarKernel(const std::string & kernel_name,
    1026             :                                   const std::string & name,
    1027             :                                   InputParameters & parameters);
    1028             : 
    1029             : #ifdef MOOSE_KOKKOS_ENABLED
    1030             :   virtual void addKokkosAuxKernel(const std::string & kernel_name,
    1031             :                                   const std::string & name,
    1032             :                                   InputParameters & parameters);
    1033             : #endif
    1034             : 
    1035     4929690 :   AuxiliarySystem & getAuxiliarySystem() { return *_aux; }
    1036             : 
    1037             :   // Dirac /////
    1038             :   virtual void addDiracKernel(const std::string & kernel_name,
    1039             :                               const std::string & name,
    1040             :                               InputParameters & parameters);
    1041             : 
    1042             :   // DG /////
    1043             :   virtual void addDGKernel(const std::string & kernel_name,
    1044             :                            const std::string & name,
    1045             :                            InputParameters & parameters);
    1046             :   // FV /////
    1047             :   virtual void addFVKernel(const std::string & kernel_name,
    1048             :                            const std::string & name,
    1049             :                            InputParameters & parameters);
    1050             : 
    1051             :   virtual void addLinearFVKernel(const std::string & kernel_name,
    1052             :                                  const std::string & name,
    1053             :                                  InputParameters & parameters);
    1054             :   virtual void
    1055             :   addFVBC(const std::string & fv_bc_name, const std::string & name, InputParameters & parameters);
    1056             :   virtual void addLinearFVBC(const std::string & fv_bc_name,
    1057             :                              const std::string & name,
    1058             :                              InputParameters & parameters);
    1059             : 
    1060             :   virtual void addFVInterfaceKernel(const std::string & fv_ik_name,
    1061             :                                     const std::string & name,
    1062             :                                     InputParameters & parameters);
    1063             : 
    1064             :   // Interface /////
    1065             :   virtual void addInterfaceKernel(const std::string & kernel_name,
    1066             :                                   const std::string & name,
    1067             :                                   InputParameters & parameters);
    1068             : 
    1069             :   // IC /////
    1070             :   virtual void addInitialCondition(const std::string & ic_name,
    1071             :                                    const std::string & name,
    1072             :                                    InputParameters & parameters);
    1073             :   /**
    1074             :    * Add an initial condition for a finite volume variables
    1075             :    * @param ic_name The name of the boundary condition object
    1076             :    * @param name The user-defined name from the input file
    1077             :    * @param parameters The input parameters for construction
    1078             :    */
    1079             :   virtual void addFVInitialCondition(const std::string & ic_name,
    1080             :                                      const std::string & name,
    1081             :                                      InputParameters & parameters);
    1082             : 
    1083             :   void projectSolution();
    1084             : 
    1085             :   /**
    1086             :    *  Retrieves the current initial condition state.
    1087             :    * @return  current initial condition state
    1088             :    */
    1089             :   unsigned short getCurrentICState();
    1090             : 
    1091             :   /**
    1092             :    * Project initial conditions for custom \p elem_range and \p bnd_node_range
    1093             :    * This is needed when elements/boundary nodes are added to a specific subdomain
    1094             :    * at an intermediate step
    1095             :    * @param elem_range Element range to project on
    1096             :    * @param bnd_node_range Boundary node range to project on
    1097             :    * @param target_vars Set of variable names to project ICs
    1098             :    */
    1099             :   void projectInitialConditionOnCustomRange(
    1100             :       libMesh::ConstElemRange & elem_range,
    1101             :       ConstBndNodeRange & bnd_node_range,
    1102             :       const std::optional<std::set<VariableName>> & target_vars = std::nullopt);
    1103             : 
    1104             :   /**
    1105             :    * Project a function onto a range of elements for a given variable
    1106             :    *
    1107             :    * \param elem_range          Element range to project on
    1108             :    * \param func                Function to project
    1109             :    * \param func_grad           Gradient of the function
    1110             :    * \param params              Parameters to pass to the function
    1111             :    * \param target_vars         variable names to project
    1112             :    */
    1113             :   void projectFunctionOnCustomRange(ConstElemRange & elem_range,
    1114             :                                     Number (*func)(const Point &,
    1115             :                                                    const libMesh::Parameters &,
    1116             :                                                    const std::string &,
    1117             :                                                    const std::string &),
    1118             :                                     Gradient (*func_grad)(const Point &,
    1119             :                                                           const libMesh::Parameters &,
    1120             :                                                           const std::string &,
    1121             :                                                           const std::string &),
    1122             :                                     const libMesh::Parameters & params,
    1123             :                                     const std::vector<VariableName> & target_vars);
    1124             : 
    1125             :   // Materials
    1126             :   virtual void addMaterial(const std::string & material_name,
    1127             :                            const std::string & name,
    1128             :                            InputParameters & parameters);
    1129             :   virtual void addMaterialHelper(std::vector<MaterialWarehouse *> warehouse,
    1130             :                                  const std::string & material_name,
    1131             :                                  const std::string & name,
    1132             :                                  InputParameters & parameters);
    1133             :   virtual void addInterfaceMaterial(const std::string & material_name,
    1134             :                                     const std::string & name,
    1135             :                                     InputParameters & parameters);
    1136             :   virtual void addFunctorMaterial(const std::string & functor_material_name,
    1137             :                                   const std::string & name,
    1138             :                                   InputParameters & parameters);
    1139             : 
    1140             : #ifdef MOOSE_KOKKOS_ENABLED
    1141             :   virtual void addKokkosMaterial(const std::string & material_name,
    1142             :                                  const std::string & name,
    1143             :                                  InputParameters & parameters);
    1144             : #endif
    1145             : 
    1146             :   /**
    1147             :    * Add the MooseVariables and the material properties that the current materials depend on to the
    1148             :    * dependency list.
    1149             :    * @param consumer_needed_mat_props The material properties needed by consumer objects (other than
    1150             :    * the materials themselves)
    1151             :    * @param blk_id The subdomain ID for which we are preparing our list of needed vars and props
    1152             :    * @param tid The thread ID we are preparing the requirements for
    1153             :    *
    1154             :    * This MUST be done after the moose variable dependency list has been set for all the other
    1155             :    * objects using the \p setActiveElementalMooseVariables API!
    1156             :    */
    1157             :   void prepareMaterials(const std::unordered_set<unsigned int> & consumer_needed_mat_props,
    1158             :                         const SubdomainID blk_id,
    1159             :                         const THREAD_ID tid);
    1160             : 
    1161             :   void reinitMaterials(SubdomainID blk_id, const THREAD_ID tid, bool swap_stateful = true);
    1162             : 
    1163             :   /**
    1164             :    * reinit materials on element faces
    1165             :    * @param blk_id The subdomain on which the element owning the face lives
    1166             :    * @param tid The thread id
    1167             :    * @param swap_stateful Whether to swap stateful material properties between \p MaterialData and
    1168             :    * \p MaterialPropertyStorage
    1169             :    * @param reinit_mats specific list of materials to reinit. Used notably in the context of mortar
    1170             :    * with stateful elements
    1171             :    */
    1172             :   void reinitMaterialsFace(SubdomainID blk_id,
    1173             :                            const THREAD_ID tid,
    1174             :                            bool swap_stateful = true,
    1175             :                            const std::deque<MaterialBase *> * reinit_mats = nullptr);
    1176             : 
    1177             :   /**
    1178             :    * reinit materials on element faces on a boundary (internal or external)
    1179             :    * This specific routine helps us not reinit when don't need to
    1180             :    * @param boundary_id The boundary on which the face belongs
    1181             :    * @param blk_id The block id to which the element (who owns the face) belong
    1182             :    * @param tid The thread id
    1183             :    * @param swap_stateful Whether to swap stateful material properties between \p MaterialData and
    1184             :    * \p MaterialPropertyStorage
    1185             :    * @param reinit_mats specific list of materials to reinit. Used notably in the context of mortar
    1186             :    * with stateful elements
    1187             :    */
    1188             :   void
    1189             :   reinitMaterialsFaceOnBoundary(const BoundaryID boundary_id,
    1190             :                                 const SubdomainID blk_id,
    1191             :                                 const THREAD_ID tid,
    1192             :                                 const bool swap_stateful = true,
    1193             :                                 const std::deque<MaterialBase *> * const reinit_mats = nullptr);
    1194             : 
    1195             :   /**
    1196             :    * reinit materials on neighbor element (usually faces) on a boundary (internal or external)
    1197             :    * This specific routine helps us not reinit when don't need to
    1198             :    * @param boundary_id The boundary on which the face belongs
    1199             :    * @param blk_id The block id to which the element (who owns the face) belong
    1200             :    * @param tid The thread id
    1201             :    * @param swap_stateful Whether to swap stateful material properties between \p MaterialData and
    1202             :    * \p MaterialPropertyStorage
    1203             :    * @param reinit_mats specific list of materials to reinit. Used notably in the context of mortar
    1204             :    * with stateful elements
    1205             :    */
    1206             :   void
    1207             :   reinitMaterialsNeighborOnBoundary(const BoundaryID boundary_id,
    1208             :                                     const SubdomainID blk_id,
    1209             :                                     const THREAD_ID tid,
    1210             :                                     const bool swap_stateful = true,
    1211             :                                     const std::deque<MaterialBase *> * const reinit_mats = nullptr);
    1212             : 
    1213             :   /**
    1214             :    * reinit materials on the neighboring element face
    1215             :    * @param blk_id The subdomain on which the neighbor element lives
    1216             :    * @param tid The thread id
    1217             :    * @param swap_stateful Whether to swap stateful material properties between \p MaterialData and
    1218             :    * \p MaterialPropertyStorage
    1219             :    * @param reinit_mats specific list of materials to reinit. Used notably in the context of mortar
    1220             :    * with stateful elements
    1221             :    */
    1222             :   void reinitMaterialsNeighbor(SubdomainID blk_id,
    1223             :                                const THREAD_ID tid,
    1224             :                                bool swap_stateful = true,
    1225             :                                const std::deque<MaterialBase *> * reinit_mats = nullptr);
    1226             : 
    1227             :   /**
    1228             :    * reinit materials on a boundary
    1229             :    * @param boundary_id The boundary on which to reinit corresponding materials
    1230             :    * @param tid The thread id
    1231             :    * @param swap_stateful Whether to swap stateful material properties between \p MaterialData and
    1232             :    * \p MaterialPropertyStorage
    1233             :    * @param execute_stateful Whether to execute material objects that have stateful properties.
    1234             :    * This should be \p false when for example executing material objects for mortar contexts in
    1235             :    * which stateful properties don't make sense
    1236             :    * @param reinit_mats specific list of materials to reinit. Used notably in the context of mortar
    1237             :    * with stateful elements
    1238             :    */
    1239             :   void reinitMaterialsBoundary(BoundaryID boundary_id,
    1240             :                                const THREAD_ID tid,
    1241             :                                bool swap_stateful = true,
    1242             :                                const std::deque<MaterialBase *> * reinit_mats = nullptr);
    1243             : 
    1244             :   void
    1245             :   reinitMaterialsInterface(BoundaryID boundary_id, const THREAD_ID tid, bool swap_stateful = true);
    1246             : 
    1247             : #ifdef MOOSE_KOKKOS_ENABLED
    1248             :   void prepareKokkosMaterials(const std::unordered_set<unsigned int> & consumer_needed_mat_props);
    1249             :   void reinitKokkosMaterials();
    1250             : #endif
    1251             : 
    1252             :   /*
    1253             :    * Swap back underlying data storing stateful material properties
    1254             :    */
    1255             :   virtual void swapBackMaterials(const THREAD_ID tid);
    1256             :   virtual void swapBackMaterialsFace(const THREAD_ID tid);
    1257             :   virtual void swapBackMaterialsNeighbor(const THREAD_ID tid);
    1258             : 
    1259             :   /**
    1260             :    * Record and set the material properties required by the current computing thread.
    1261             :    * @param mat_prop_ids The set of material properties required by the current computing thread.
    1262             :    *
    1263             :    * @param tid The thread id
    1264             :    */
    1265             :   void setActiveMaterialProperties(const std::unordered_set<unsigned int> & mat_prop_ids,
    1266             :                                    const THREAD_ID tid);
    1267             : 
    1268             :   /**
    1269             :    * Method to check whether or not a list of active material roperties has been set. This method
    1270             :    * is called by reinitMaterials to determine whether Material computeProperties methods need to be
    1271             :    * called. If the return is False, this check prevents unnecessary material property computation
    1272             :    * @param tid The thread id
    1273             :    *
    1274             :    * @return True if there has been a list of active material properties set, False otherwise
    1275             :    */
    1276             :   bool hasActiveMaterialProperties(const THREAD_ID tid) const;
    1277             : 
    1278             :   /**
    1279             :    * Clear the active material properties. Should be called at the end of every computing thread
    1280             :    *
    1281             :    * @param tid The thread id
    1282             :    */
    1283             :   void clearActiveMaterialProperties(const THREAD_ID tid);
    1284             : 
    1285             :   /**
    1286             :    * Method for creating and adding an object to the warehouse.
    1287             :    *
    1288             :    * @tparam T The base object type (registered in the Factory)
    1289             :    * @param type String type of the object (registered in the Factory)
    1290             :    * @param name Name for the object to be created
    1291             :    * @param parameters InputParameters for the object
    1292             :    * @param threaded Whether or not to create n_threads copies of the object
    1293             :    * @param var_param_name The name of the parameter on the object which holds the primary variable.
    1294             :    * @return A vector of shared_ptrs to the added objects
    1295             :    */
    1296             :   template <typename T>
    1297             :   std::vector<std::shared_ptr<T>> addObject(const std::string & type,
    1298             :                                             const std::string & name,
    1299             :                                             InputParameters & parameters,
    1300             :                                             const bool threaded = true,
    1301             :                                             const std::string & var_param_name = "variable");
    1302             : 
    1303             :   // Postprocessors /////
    1304             :   virtual void addPostprocessor(const std::string & pp_name,
    1305             :                                 const std::string & name,
    1306             :                                 InputParameters & parameters);
    1307             : 
    1308             :   // VectorPostprocessors /////
    1309             :   virtual void addVectorPostprocessor(const std::string & pp_name,
    1310             :                                       const std::string & name,
    1311             :                                       InputParameters & parameters);
    1312             : 
    1313             :   /**
    1314             :    * Add a Reporter object to the simulation.
    1315             :    * @param type C++ object type to construct
    1316             :    * @param name A uniquely identifying object name
    1317             :    * @param parameters Complete parameters for the object to be created.
    1318             :    *
    1319             :    * For an example use, refer to AddReporterAction.C/h
    1320             :    */
    1321             :   virtual void
    1322             :   addReporter(const std::string & type, const std::string & name, InputParameters & parameters);
    1323             : 
    1324             : #ifdef MOOSE_KOKKOS_ENABLED
    1325             :   virtual void addKokkosPostprocessor(const std::string & pp_name,
    1326             :                                       const std::string & name,
    1327             :                                       InputParameters & parameters);
    1328             :   virtual void addKokkosVectorPostprocessor(const std::string & pp_name,
    1329             :                                             const std::string & name,
    1330             :                                             InputParameters & parameters);
    1331             :   virtual void addKokkosReporter(const std::string & type,
    1332             :                                  const std::string & name,
    1333             :                                  InputParameters & parameters);
    1334             : #endif
    1335             : 
    1336             :   /**
    1337             :    * Provides const access the ReporterData object.
    1338             :    *
    1339             :    * NOTE: There is a private non-const version of this function that uses a key object only
    1340             :    *       constructable by the correct interfaces. This was done by design to encourage the use of
    1341             :    *       the Reporter and ReporterInterface classes.
    1342             :    */
    1343      768884 :   const ReporterData & getReporterData() const { return _reporter_data; }
    1344             : 
    1345             :   /**
    1346             :    * Provides non-const access the ReporterData object that is used to store reporter values.
    1347             :    *
    1348             :    * see ReporterData.h
    1349             :    */
    1350      145138 :   ReporterData & getReporterData(ReporterData::WriteKey /*key*/) { return _reporter_data; }
    1351             : 
    1352             :   // UserObjects /////
    1353             :   virtual std::vector<std::shared_ptr<UserObject>> addUserObject(
    1354             :       const std::string & user_object_name, const std::string & name, InputParameters & parameters);
    1355             : 
    1356             :   /**
    1357             :    * Get the user object by its name
    1358             :    * @param name The name of the user object being retrieved
    1359             :    * @return Reference to the user object
    1360             :    */
    1361             :   template <class T>
    1362       28622 :   T & getUserObject(const std::string & name, unsigned int tid = 0) const
    1363             :   {
    1364       28622 :     std::vector<T *> objs;
    1365       28622 :     theWarehouse()
    1366             :         .query()
    1367       57244 :         .condition<AttribSystem>("UserObject")
    1368       28622 :         .condition<AttribThread>(tid)
    1369       28622 :         .condition<AttribName>(name)
    1370       28622 :         .queryInto(objs);
    1371       28622 :     if (objs.empty())
    1372           0 :       mooseError("Unable to find user object with name '" + name + "'");
    1373       57244 :     return *(objs[0]);
    1374       28622 :   }
    1375             : 
    1376             :   /**
    1377             :    * Get the user object by its name
    1378             :    * @param name The name of the user object being retrieved
    1379             :    * @param tid The thread of the user object (defaults to 0)
    1380             :    * @return Const reference to the user object
    1381             :    */
    1382             :   const UserObject & getUserObjectBase(const std::string & name, const THREAD_ID tid = 0) const;
    1383             : 
    1384             :   /**
    1385             :    * Check if there if a user object of given name
    1386             :    * @param name The name of the user object being checked for
    1387             :    * @return true if the user object exists, false otherwise
    1388             :    */
    1389             :   bool hasUserObject(const std::string & name) const;
    1390             : 
    1391             : #ifdef MOOSE_KOKKOS_ENABLED
    1392             :   virtual void addKokkosUserObject(const std::string & user_object_name,
    1393             :                                    const std::string & name,
    1394             :                                    InputParameters & parameters);
    1395             : 
    1396             :   /**
    1397             :    * Get the Kokkos user object by its name
    1398             :    * @param name The name of the Kokkos user object being retrieved
    1399             :    * @return const reference to the Kokkos user object
    1400             :    */
    1401             :   template <class T>
    1402           0 :   const T & getKokkosUserObject(const std::string & name) const
    1403             :   {
    1404           0 :     std::vector<T *> objs;
    1405           0 :     theWarehouse()
    1406             :         .query()
    1407           0 :         .condition<AttribSystem>("KokkosUserObject")
    1408           0 :         .condition<AttribName>(name)
    1409           0 :         .queryInto(objs);
    1410           0 :     if (objs.empty())
    1411           0 :       mooseError("Unable to find Kokkos user object with name '" + name + "'");
    1412           0 :     return *(objs[0]);
    1413           0 :   }
    1414             : 
    1415             :   /**
    1416             :    * Check if there if a Kokkos user object of given name
    1417             :    * @param name The name of the Kokkos user object being checked for
    1418             :    * @return true if the Kokkos user object exists, false otherwise
    1419             :    */
    1420             :   bool hasKokkosUserObject(const std::string & name) const;
    1421             : #endif
    1422             : 
    1423             :   /**
    1424             :    * Check for name collision between different user objects
    1425             :    * @param name The object name being added
    1426             :    * @param type The object type being added
    1427             :    */
    1428             :   void checkUserObjectNameCollision(const std::string & name, const std::string & type) const;
    1429             : 
    1430             :   /**
    1431             :    * Get the Positions object by its name
    1432             :    * @param name The name of the Positions object being retrieved
    1433             :    * @return Const reference to the Positions object
    1434             :    */
    1435             :   const Positions & getPositionsObject(const std::string & name) const;
    1436             : 
    1437             :   /**
    1438             :    * Add an FV interpolation method
    1439             :    * @param method_type The type of the method.
    1440             :    * @param name The name of the method.
    1441             :    * @param parameters The input parameters of the method.
    1442             :    */
    1443             :   virtual void addFVInterpolationMethod(const std::string & method_type,
    1444             :                                         const std::string & name,
    1445             :                                         InputParameters & parameters);
    1446             : 
    1447             :   /**
    1448             :    * Retrieve an FV interpolation method
    1449             :    * @param name The name of the method.
    1450             :    * @param tid The thread ID.
    1451             :    */
    1452             :   const FVInterpolationMethod & getFVInterpolationMethod(const InterpolationMethodName & name,
    1453             :                                                          const THREAD_ID tid = 0) const;
    1454             : 
    1455             :   /**
    1456             :    * Retrieve a scalar face interpolation method.
    1457             :    * @param name The name of the method.
    1458             :    * @param tid The thread ID.
    1459             :    */
    1460             :   const FVFaceInterpolationMethod &
    1461             :   getFVFaceInterpolationMethod(const InterpolationMethodName & name, const THREAD_ID tid = 0) const;
    1462             : 
    1463             :   /**
    1464             :    * Retrieve an advected interpolation method.
    1465             :    * @param name The name of the method.
    1466             :    * @param tid The thread ID.
    1467             :    */
    1468             :   const FVAdvectedInterpolationMethod &
    1469             :   getFVAdvectedInterpolationMethod(const InterpolationMethodName & name,
    1470             :                                    const THREAD_ID tid = 0) const;
    1471             : 
    1472             :   /**
    1473             :    * Check if an FV interpolation method with a given name exists
    1474             :    */
    1475             :   bool hasFVInterpolationMethod(const InterpolationMethodName & name) const;
    1476             : 
    1477             :   /**
    1478             :    * Whether or not a Postprocessor value exists by a given name.
    1479             :    * @param name The name of the Postprocessor
    1480             :    * @return True if a Postprocessor value exists
    1481             :    *
    1482             :    * Note: You should prioritize the use of PostprocessorInterface::hasPostprocessor
    1483             :    * and PostprocessorInterface::hasPostprocessorByName over this method when possible.
    1484             :    */
    1485             :   bool hasPostprocessorValueByName(const PostprocessorName & name) const;
    1486             : 
    1487             :   /**
    1488             :    * Return the Postprocessor object registered under the supplied object name.
    1489             :    * @param object_name The name of the Postprocessor object
    1490             :    * @param tid The thread identifier for thread-local object lookup
    1491             :    */
    1492             :   const Postprocessor & getPostprocessorObjectByName(const PostprocessorName & object_name,
    1493             :                                                      const THREAD_ID tid = 0) const;
    1494             : 
    1495             :   /**
    1496             :    * Get a read-only reference to the value associated with a Postprocessor that exists.
    1497             :    * @param name The name of the post-processor
    1498             :    * @param t_index Flag for getting current (0), old (1), or older (2) values
    1499             :    * @return The reference to the value at the given time index
    1500             :    *
    1501             :    * Note: This method is only for retrieving values that already exist, the Postprocessor and
    1502             :    *       PostprocessorInterface objects should be used rather than this method for creating
    1503             :    *       and getting values within objects.
    1504             :    */
    1505             :   const PostprocessorValue & getPostprocessorValueByName(const PostprocessorName & name,
    1506             :                                                          std::size_t t_index = 0) const;
    1507             : 
    1508             :   /**
    1509             :    * Set the value of a PostprocessorValue.
    1510             :    * @param name The name of the post-processor
    1511             :    * @param t_index Flag for getting current (0), old (1), or older (2) values
    1512             :    * @return The reference to the value at the given time index
    1513             :    *
    1514             :    * Note: This method is only for setting values that already exist, the Postprocessor and
    1515             :    *       PostprocessorInterface objects should be used rather than this method for creating
    1516             :    *       and getting values within objects.
    1517             :    *
    1518             :    * WARNING!
    1519             :    * This method should be used with caution. It exists to allow Transfers and other
    1520             :    * similar objects to modify Postprocessor values. It is not intended for general use.
    1521             :    */
    1522             :   void setPostprocessorValueByName(const PostprocessorName & name,
    1523             :                                    const PostprocessorValue & value,
    1524             :                                    std::size_t t_index = 0);
    1525             : 
    1526             :   /**
    1527             :    * Deprecated. Use hasPostprocessorValueByName
    1528             :    */
    1529             :   bool hasPostprocessor(const std::string & name) const;
    1530             : 
    1531             :   /**
    1532             :    * Get a read-only reference to the vector value associated with the VectorPostprocessor.
    1533             :    * @param object_name The name of the VPP object.
    1534             :    * @param vector_name The namve of the decalred vector within the object.
    1535             :    * @return Referent to the vector of data.
    1536             :    *
    1537             :    * Note: This method is only for retrieving values that already exist, the VectorPostprocessor and
    1538             :    *       VectorPostprocessorInterface objects should be used rather than this method for creating
    1539             :    *       and getting values within objects.
    1540             :    */
    1541             :   const VectorPostprocessorValue &
    1542             :   getVectorPostprocessorValueByName(const std::string & object_name,
    1543             :                                     const std::string & vector_name,
    1544             :                                     std::size_t t_index = 0) const;
    1545             : 
    1546             :   /**
    1547             :    * Set the value of a VectorPostprocessor vector
    1548             :    * @param object_name The name of the VPP object
    1549             :    * @param vector_name The name of the declared vector
    1550             :    * @param value The data to apply to the vector
    1551             :    * @param t_index Flag for getting current (0), old (1), or older (2) values
    1552             :    */
    1553             :   void setVectorPostprocessorValueByName(const std::string & object_name,
    1554             :                                          const std::string & vector_name,
    1555             :                                          const VectorPostprocessorValue & value,
    1556             :                                          std::size_t t_index = 0);
    1557             : 
    1558             :   /**
    1559             :    * Return the VPP object given the name.
    1560             :    * @param object_name The name of the VPP object
    1561             :    * @return Desired VPP object
    1562             :    *
    1563             :    * This is used by various output objects as well as the scatter value handling.
    1564             :    * @see CSV.C, XMLOutput.C, VectorPostprocessorInterface.C
    1565             :    */
    1566             :   const VectorPostprocessor & getVectorPostprocessorObjectByName(const std::string & object_name,
    1567             :                                                                  const THREAD_ID tid = 0) const;
    1568             : 
    1569             :   ///@{
    1570             :   /**
    1571             :    * Returns whether or not the current simulation has any multiapps
    1572             :    */
    1573         794 :   bool hasMultiApps() const { return _multi_apps.hasActiveObjects(); }
    1574             :   bool hasMultiApps(ExecFlagType type) const;
    1575             :   bool hasMultiApp(const std::string & name) const;
    1576             :   ///@}
    1577             : 
    1578             :   // Dampers /////
    1579             :   virtual void addDamper(const std::string & damper_name,
    1580             :                          const std::string & name,
    1581             :                          InputParameters & parameters);
    1582             :   void setupDampers();
    1583             : 
    1584             :   /**
    1585             :    * Whether or not this system has dampers.
    1586             :    */
    1587      346811 :   bool hasDampers() { return _has_dampers; }
    1588             : 
    1589             :   // Indicators /////
    1590             :   virtual void addIndicator(const std::string & indicator_name,
    1591             :                             const std::string & name,
    1592             :                             InputParameters & parameters);
    1593             : 
    1594             :   // Markers //////
    1595             :   virtual void addMarker(const std::string & marker_name,
    1596             :                          const std::string & name,
    1597             :                          InputParameters & parameters);
    1598             : 
    1599             :   /**
    1600             :    * Add a MultiApp to the problem.
    1601             :    */
    1602             :   virtual void addMultiApp(const std::string & multi_app_name,
    1603             :                            const std::string & name,
    1604             :                            InputParameters & parameters);
    1605             : 
    1606             :   /**
    1607             :    * Get a MultiApp object by name.
    1608             :    */
    1609             :   std::shared_ptr<MultiApp> getMultiApp(const std::string & multi_app_name) const;
    1610             : 
    1611             :   /**
    1612             :    * Get Transfers by ExecFlagType and direction
    1613             :    */
    1614             :   std::vector<std::shared_ptr<Transfer>> getTransfers(ExecFlagType type,
    1615             :                                                       Transfer::DIRECTION direction) const;
    1616             :   std::vector<std::shared_ptr<Transfer>> getTransfers(Transfer::DIRECTION direction) const;
    1617             : 
    1618             :   /**
    1619             :    * Return the complete warehouse for MultiAppTransfer object for the given direction
    1620             :    */
    1621             :   const ExecuteMooseObjectWarehouse<Transfer> &
    1622             :   getMultiAppTransferWarehouse(Transfer::DIRECTION direction) const;
    1623             : 
    1624             :   /**
    1625             :    * Execute MultiAppTransfers associated with execution flag and direction.
    1626             :    * @param type The execution flag to execute.
    1627             :    * @param direction The direction (to or from) to transfer.
    1628             :    */
    1629             :   void execMultiAppTransfers(ExecFlagType type, Transfer::DIRECTION direction);
    1630             : 
    1631             :   /**
    1632             :    * Execute the MultiApps associated with the ExecFlagType
    1633             :    */
    1634             :   bool execMultiApps(ExecFlagType type, bool auto_advance = true);
    1635             : 
    1636             :   void finalizeMultiApps();
    1637             : 
    1638             :   /**
    1639             :    * Advance the MultiApps t_step (incrementStepOrReject) associated with the ExecFlagType
    1640             :    */
    1641             :   void incrementMultiAppTStep(ExecFlagType type);
    1642             : 
    1643             :   /**
    1644             :    * Deprecated method; use finishMultiAppStep and/or incrementMultiAppTStep depending
    1645             :    * on your purpose
    1646             :    */
    1647             :   void advanceMultiApps(ExecFlagType type)
    1648             :   {
    1649             :     mooseDeprecated("Deprecated method; use finishMultiAppStep and/or incrementMultiAppTStep "
    1650             :                     "depending on your purpose");
    1651             :     finishMultiAppStep(type);
    1652             :   }
    1653             : 
    1654             :   /**
    1655             :    * Finish the MultiApp time step (endStep, postStep) associated with the ExecFlagType. Optionally
    1656             :    * recurse through all multi-app levels
    1657             :    */
    1658             :   void finishMultiAppStep(ExecFlagType type, bool recurse_through_multiapp_levels = false);
    1659             : 
    1660             :   /**
    1661             :    * Backup the MultiApps associated with the ExecFlagType
    1662             :    */
    1663             :   void backupMultiApps(ExecFlagType type);
    1664             : 
    1665             :   /**
    1666             :    * Restore the MultiApps associated with the ExecFlagType
    1667             :    * @param force Force restoration because something went wrong with the solve
    1668             :    */
    1669             :   void restoreMultiApps(ExecFlagType type, bool force = false);
    1670             : 
    1671             :   /**
    1672             :    * Find the smallest timestep over all MultiApps
    1673             :    */
    1674             :   Real computeMultiAppsDT(ExecFlagType type);
    1675             : 
    1676             :   /**
    1677             :    * Add a Transfer to the problem.
    1678             :    */
    1679             :   virtual void addTransfer(const std::string & transfer_name,
    1680             :                            const std::string & name,
    1681             :                            InputParameters & parameters);
    1682             : 
    1683             :   /**
    1684             :    * Execute the Transfers associated with the ExecFlagType
    1685             :    *
    1686             :    * Note: This does _not_ execute MultiApp Transfers!
    1687             :    * Those are executed automatically when MultiApps are executed.
    1688             :    */
    1689             :   void execTransfers(ExecFlagType type);
    1690             : 
    1691             :   /**
    1692             :    * Computes the residual of a nonlinear system using whatever is sitting in the current
    1693             :    * solution vector then returns the L2 norm.
    1694             :    */
    1695             :   Real computeResidualL2Norm(NonlinearSystemBase & sys);
    1696             : 
    1697             :   /**
    1698             :    * Computes the residual of a linear system using whatever is sitting in the current
    1699             :    * solution vector then returns the L2 norm.
    1700             :    */
    1701             :   Real computeResidualL2Norm(LinearSystem & sys);
    1702             : 
    1703             :   /**
    1704             :    * Computes the residual using whatever is sitting in the current solution vector then returns the
    1705             :    * L2 norm.
    1706             :    *
    1707             :    * @return The L2 norm of the residual
    1708             :    */
    1709             :   virtual Real computeResidualL2Norm();
    1710             : 
    1711             :   /**
    1712             :    * This function is called by Libmesh to form a residual.
    1713             :    */
    1714             :   virtual void computeResidualSys(libMesh::NonlinearImplicitSystem & sys,
    1715             :                                   const NumericVector<libMesh::Number> & soln,
    1716             :                                   NumericVector<libMesh::Number> & residual);
    1717             :   /**
    1718             :    * This function is called by Libmesh to form a residual. This is deprecated.
    1719             :    * We should remove this as soon as RattleSnake is fixed.
    1720             :    */
    1721             :   void computeResidual(libMesh::NonlinearImplicitSystem & sys,
    1722             :                        const NumericVector<libMesh::Number> & soln,
    1723             :                        NumericVector<libMesh::Number> & residual);
    1724             : 
    1725             :   /**
    1726             :    * Form a residual with default tags (nontime, time, residual).
    1727             :    */
    1728             :   virtual void computeResidual(const NumericVector<libMesh::Number> & soln,
    1729             :                                NumericVector<libMesh::Number> & residual,
    1730             :                                const unsigned int nl_sys_num);
    1731             : 
    1732             :   /**
    1733             :    * Form a residual and Jacobian with default tags
    1734             :    */
    1735             :   void computeResidualAndJacobian(const NumericVector<libMesh::Number> & soln,
    1736             :                                   NumericVector<libMesh::Number> & residual,
    1737             :                                   libMesh::SparseMatrix<libMesh::Number> & jacobian);
    1738             : 
    1739             :   /**
    1740             :    * Form a residual vector for a given tag
    1741             :    */
    1742             :   virtual void computeResidualTag(const NumericVector<libMesh::Number> & soln,
    1743             :                                   NumericVector<libMesh::Number> & residual,
    1744             :                                   TagID tag);
    1745             :   /**
    1746             :    * Form a residual vector for a given tag and "residual" tag
    1747             :    */
    1748             :   virtual void computeResidualType(const NumericVector<libMesh::Number> & soln,
    1749             :                                    NumericVector<libMesh::Number> & residual,
    1750             :                                    TagID tag);
    1751             : 
    1752             :   /**
    1753             :    * Form a residual vector for a set of tags. It should not be called directly
    1754             :    * by users.
    1755             :    */
    1756             :   virtual void computeResidualInternal(const NumericVector<libMesh::Number> & soln,
    1757             :                                        NumericVector<libMesh::Number> & residual,
    1758             :                                        const std::set<TagID> & tags);
    1759             :   /**
    1760             :    * Form multiple residual vectors and each is associated with one tag
    1761             :    */
    1762             :   virtual void computeResidualTags(const std::set<TagID> & tags);
    1763             : 
    1764             :   /**
    1765             :    * Form a Jacobian matrix. It is called by Libmesh.
    1766             :    */
    1767             :   virtual void computeJacobianSys(libMesh::NonlinearImplicitSystem & sys,
    1768             :                                   const NumericVector<libMesh::Number> & soln,
    1769             :                                   libMesh::SparseMatrix<libMesh::Number> & jacobian);
    1770             :   /**
    1771             :    * Form a Jacobian matrix with the default tag (system).
    1772             :    */
    1773             :   virtual void computeJacobian(const NumericVector<libMesh::Number> & soln,
    1774             :                                libMesh::SparseMatrix<libMesh::Number> & jacobian,
    1775             :                                const unsigned int nl_sys_num);
    1776             : 
    1777             :   /**
    1778             :    * Form a Jacobian matrix for a given tag.
    1779             :    */
    1780             :   virtual void computeJacobianTag(const NumericVector<libMesh::Number> & soln,
    1781             :                                   libMesh::SparseMatrix<libMesh::Number> & jacobian,
    1782             :                                   TagID tag);
    1783             : 
    1784             :   /**
    1785             :    * Form a Jacobian matrix for multiple tags. It should not be called directly by users.
    1786             :    */
    1787             :   virtual void computeJacobianInternal(const NumericVector<libMesh::Number> & soln,
    1788             :                                        libMesh::SparseMatrix<libMesh::Number> & jacobian,
    1789             :                                        const std::set<TagID> & tags);
    1790             : 
    1791             :   /**
    1792             :    * Form multiple matrices, and each is associated with a tag.
    1793             :    */
    1794             :   virtual void computeJacobianTags(const std::set<TagID> & tags);
    1795             : 
    1796             :   /**
    1797             :    * Computes several Jacobian blocks simultaneously, summing their contributions into smaller
    1798             :    * preconditioning matrices.
    1799             :    *
    1800             :    * Used by Physics-based preconditioning
    1801             :    *
    1802             :    * @param blocks The blocks to fill in (JacobianBlock is defined in ComputeJacobianBlocksThread)
    1803             :    */
    1804             :   virtual void computeJacobianBlocks(std::vector<JacobianBlock *> & blocks,
    1805             :                                      const unsigned int nl_sys_num);
    1806             : 
    1807             :   /**
    1808             :    * Really not a good idea to use this.
    1809             :    *
    1810             :    * It computes just one block of the Jacobian into a smaller matrix.  Calling this in a loop is
    1811             :    * EXTREMELY ineffecient!
    1812             :    * Try to use computeJacobianBlocks() instead!
    1813             :    *
    1814             :    * @param jacobian The matrix you want to fill
    1815             :    * @param precond_system The libMesh::system of the preconditioning system
    1816             :    * @param ivar the block-row of the Jacobian
    1817             :    * @param jvar the block-column of the Jacobian
    1818             :    *
    1819             :    */
    1820             :   virtual void computeJacobianBlock(libMesh::SparseMatrix<libMesh::Number> & jacobian,
    1821             :                                     libMesh::System & precond_system,
    1822             :                                     unsigned int ivar,
    1823             :                                     unsigned int jvar);
    1824             : 
    1825             :   /**
    1826             :    * Assemble both the right hand side and the system matrix of a given linear
    1827             :    * system.
    1828             :    * @param sys The linear system which should be assembled
    1829             :    * @param system_matrix The sparse matrix which should hold the system matrix
    1830             :    * @param rhs The vector which should hold the right hand side
    1831             :    * @param compute_gradients A flag to disable the computation of new gradients during the
    1832             :    * assembly, can be used to lag gradients
    1833             :    */
    1834             :   virtual void computeLinearSystemSys(libMesh::LinearImplicitSystem & sys,
    1835             :                                       libMesh::SparseMatrix<libMesh::Number> & system_matrix,
    1836             :                                       NumericVector<libMesh::Number> & rhs,
    1837             :                                       const bool compute_gradients = true);
    1838             : 
    1839             :   /**
    1840             :    * Assemble the current linear system given a set of vector and matrix tags.
    1841             :    *
    1842             :    * @param soln The solution which should be used for the system assembly
    1843             :    * @param vector_tags The vector tags for the right hand side
    1844             :    * @param matrix_tags The matrix tags for the matrix
    1845             :    * @param compute_gradients A flag to disable the computation of new gradients during the
    1846             :    * assembly, can be used to lag gradients
    1847             :    */
    1848             :   void computeLinearSystemTags(const NumericVector<libMesh::Number> & soln,
    1849             :                                const std::set<TagID> & vector_tags,
    1850             :                                const std::set<TagID> & matrix_tags,
    1851             :                                const bool compute_gradients = true);
    1852             : 
    1853             :   virtual Real computeDamping(const NumericVector<libMesh::Number> & soln,
    1854             :                               const NumericVector<libMesh::Number> & update);
    1855             : 
    1856             :   /**
    1857             :    * Check to see whether the problem should update the solution
    1858             :    * @return true if the problem should update the solution, false otherwise
    1859             :    */
    1860             :   virtual bool shouldUpdateSolution();
    1861             : 
    1862             :   /**
    1863             :    * Update the solution
    1864             :    * @param vec_solution      Local solution vector that gets modified by this method
    1865             :    * @param ghosted_solution  Ghosted solution vector
    1866             :    * @return true if the solution was modified, false otherwise
    1867             :    */
    1868             :   virtual bool updateSolution(NumericVector<libMesh::Number> & vec_solution,
    1869             :                               NumericVector<libMesh::Number> & ghosted_solution);
    1870             : 
    1871             :   /**
    1872             :    * Perform cleanup tasks after application of predictor to solution vector
    1873             :    * @param ghosted_solution  Ghosted solution vector
    1874             :    */
    1875             :   virtual void predictorCleanup(NumericVector<libMesh::Number> & ghosted_solution);
    1876             : 
    1877             :   virtual void computeBounds(libMesh::NonlinearImplicitSystem & sys,
    1878             :                              NumericVector<libMesh::Number> & lower,
    1879             :                              NumericVector<libMesh::Number> & upper);
    1880             :   virtual void computeNearNullSpace(libMesh::NonlinearImplicitSystem & sys,
    1881             :                                     std::vector<NumericVector<libMesh::Number> *> & sp);
    1882             :   virtual void computeNullSpace(libMesh::NonlinearImplicitSystem & sys,
    1883             :                                 std::vector<NumericVector<libMesh::Number> *> & sp);
    1884             :   virtual void computeTransposeNullSpace(libMesh::NonlinearImplicitSystem & sys,
    1885             :                                          std::vector<NumericVector<libMesh::Number> *> & sp);
    1886             :   virtual void computePostCheck(libMesh::NonlinearImplicitSystem & sys,
    1887             :                                 const NumericVector<libMesh::Number> & old_soln,
    1888             :                                 NumericVector<libMesh::Number> & search_direction,
    1889             :                                 NumericVector<libMesh::Number> & new_soln,
    1890             :                                 bool & changed_search_direction,
    1891             :                                 bool & changed_new_soln);
    1892             : 
    1893             :   virtual void computeIndicatorsAndMarkers();
    1894             :   virtual void computeIndicators();
    1895             :   virtual void computeMarkers();
    1896             : 
    1897             :   virtual void addResidual(const THREAD_ID tid) override;
    1898             :   virtual void addResidualNeighbor(const THREAD_ID tid) override;
    1899             :   virtual void addResidualLower(const THREAD_ID tid) override;
    1900             :   virtual void addResidualScalar(const THREAD_ID tid = 0);
    1901             : 
    1902             :   virtual void cacheResidual(const THREAD_ID tid) override;
    1903             :   virtual void cacheResidualNeighbor(const THREAD_ID tid) override;
    1904             :   virtual void addCachedResidual(const THREAD_ID tid) override;
    1905             : 
    1906             :   /**
    1907             :    * Allows for all the residual contributions that are currently cached to be added directly into
    1908             :    * the vector passed in.
    1909             :    *
    1910             :    * @param residual The vector to add the cached contributions to.
    1911             :    * @param tid The thread id.
    1912             :    */
    1913             :   virtual void addCachedResidualDirectly(NumericVector<libMesh::Number> & residual,
    1914             :                                          const THREAD_ID tid);
    1915             : 
    1916             :   virtual void setResidual(NumericVector<libMesh::Number> & residual, const THREAD_ID tid) override;
    1917             :   virtual void setResidualNeighbor(NumericVector<libMesh::Number> & residual,
    1918             :                                    const THREAD_ID tid) override;
    1919             : 
    1920             :   virtual void addJacobian(const THREAD_ID tid) override;
    1921             :   virtual void addJacobianNeighbor(const THREAD_ID tid) override;
    1922             :   virtual void addJacobianNeighborLowerD(const THREAD_ID tid) override;
    1923             :   virtual void addJacobianLowerD(const THREAD_ID tid) override;
    1924             :   virtual void addJacobianBlockTags(libMesh::SparseMatrix<libMesh::Number> & jacobian,
    1925             :                                     unsigned int ivar,
    1926             :                                     unsigned int jvar,
    1927             :                                     const DofMap & dof_map,
    1928             :                                     std::vector<dof_id_type> & dof_indices,
    1929             :                                     const std::set<TagID> & tags,
    1930             :                                     const THREAD_ID tid);
    1931             :   virtual void addJacobianNeighbor(libMesh::SparseMatrix<libMesh::Number> & jacobian,
    1932             :                                    unsigned int ivar,
    1933             :                                    unsigned int jvar,
    1934             :                                    const DofMap & dof_map,
    1935             :                                    std::vector<dof_id_type> & dof_indices,
    1936             :                                    std::vector<dof_id_type> & neighbor_dof_indices,
    1937             :                                    const std::set<TagID> & tags,
    1938             :                                    const THREAD_ID tid) override;
    1939             :   virtual void addJacobianScalar(const THREAD_ID tid = 0);
    1940             :   virtual void addJacobianOffDiagScalar(unsigned int ivar, const THREAD_ID tid = 0);
    1941             : 
    1942             :   virtual void cacheJacobian(const THREAD_ID tid) override;
    1943             :   virtual void cacheJacobianNeighbor(const THREAD_ID tid) override;
    1944             :   virtual void addCachedJacobian(const THREAD_ID tid) override;
    1945             : 
    1946             :   virtual void prepareShapes(unsigned int var, const THREAD_ID tid) override;
    1947             :   virtual void prepareFaceShapes(unsigned int var, const THREAD_ID tid) override;
    1948             :   virtual void prepareNeighborShapes(unsigned int var, const THREAD_ID tid) override;
    1949             : 
    1950             :   // Displaced problem /////
    1951             :   virtual void addDisplacedProblem(std::shared_ptr<DisplacedProblem> displaced_problem);
    1952           0 :   virtual std::shared_ptr<const DisplacedProblem> getDisplacedProblem() const
    1953             :   {
    1954           0 :     return _displaced_problem;
    1955             :   }
    1956     4330161 :   virtual std::shared_ptr<DisplacedProblem> getDisplacedProblem() { return _displaced_problem; }
    1957             : 
    1958             :   virtual void updateGeomSearch(
    1959             :       GeometricSearchData::GeometricSearchType type = GeometricSearchData::ALL) override;
    1960             :   virtual void updateMortarMesh();
    1961             : 
    1962             :   void createMortarInterface(
    1963             :       const std::pair<BoundaryID, BoundaryID> & primary_secondary_boundary_pair,
    1964             :       const std::pair<SubdomainID, SubdomainID> & primary_secondary_subdomain_pair,
    1965             :       bool on_displaced,
    1966             :       bool periodic,
    1967             :       const bool debug,
    1968             :       const bool correct_edge_dropping,
    1969             :       const Real minimum_projection_angle);
    1970             : 
    1971             :   /**
    1972             :    * Return the undisplaced or displaced mortar generation object associated with the provided
    1973             :    * boundaries and subdomains
    1974             :    */
    1975             :   ///@{
    1976             :   const AutomaticMortarGeneration &
    1977             :   getMortarInterface(const std::pair<BoundaryID, BoundaryID> & primary_secondary_boundary_pair,
    1978             :                      const std::pair<SubdomainID, SubdomainID> & primary_secondary_subdomain_pair,
    1979             :                      bool on_displaced) const;
    1980             : 
    1981             :   AutomaticMortarGeneration &
    1982             :   getMortarInterface(const std::pair<BoundaryID, BoundaryID> & primary_secondary_boundary_pair,
    1983             :                      const std::pair<SubdomainID, SubdomainID> & primary_secondary_subdomain_pair,
    1984             :                      bool on_displaced);
    1985             :   ///@}
    1986             : 
    1987             :   const std::unordered_map<std::pair<BoundaryID, BoundaryID>,
    1988             :                            std::unique_ptr<AutomaticMortarGeneration>> &
    1989             :   getMortarInterfaces(bool on_displaced) const;
    1990             : 
    1991             :   virtual void possiblyRebuildGeomSearchPatches();
    1992             : 
    1993      610121 :   virtual GeometricSearchData & geomSearchData() override { return _geometric_search_data; }
    1994             : 
    1995             :   /**
    1996             :    * Communicate to the Resurector the name of the restart filer
    1997             :    * @param file_name The file name for restarting from
    1998             :    */
    1999             :   void setRestartFile(const std::string & file_name);
    2000             : 
    2001             :   /**
    2002             :    * @return A reference to the material property registry
    2003             :    */
    2004           2 :   const MaterialPropertyRegistry & getMaterialPropertyRegistry() const
    2005             :   {
    2006           2 :     return _material_prop_registry;
    2007             :   }
    2008             : 
    2009             :   /**
    2010             :    * Return a reference to the material property storage
    2011             :    * @return A const reference to the material property storage
    2012             :    */
    2013             :   ///@{
    2014          13 :   const MaterialPropertyStorage & getMaterialPropertyStorage() { return _material_props; }
    2015             :   const MaterialPropertyStorage & getBndMaterialPropertyStorage() { return _bnd_material_props; }
    2016             :   const MaterialPropertyStorage & getNeighborMaterialPropertyStorage()
    2017             :   {
    2018             :     return _neighbor_material_props;
    2019             :   }
    2020             : 
    2021             : #ifdef MOOSE_KOKKOS_ENABLED
    2022             :   Moose::Kokkos::MaterialPropertyStorage & getKokkosMaterialPropertyStorage()
    2023             :   {
    2024             :     return _kokkos_material_props;
    2025             :   }
    2026             :   Moose::Kokkos::MaterialPropertyStorage & getKokkosBndMaterialPropertyStorage()
    2027             :   {
    2028             :     return _kokkos_bnd_material_props;
    2029             :   }
    2030             :   Moose::Kokkos::MaterialPropertyStorage & getKokkosNeighborMaterialPropertyStorage()
    2031             :   {
    2032             :     return _kokkos_neighbor_material_props;
    2033             :   }
    2034             : #endif
    2035             :   ///@}
    2036             : 
    2037             :   /**
    2038             :    * Return indicator/marker storage.
    2039             :    */
    2040             :   ///@{
    2041        4750 :   const MooseObjectWarehouse<Indicator> & getIndicatorWarehouse() { return _indicators; }
    2042        4750 :   const MooseObjectWarehouse<InternalSideIndicatorBase> & getInternalSideIndicatorWarehouse()
    2043             :   {
    2044        4750 :     return _internal_side_indicators;
    2045             :   }
    2046        6474 :   const MooseObjectWarehouse<Marker> & getMarkerWarehouse() { return _markers; }
    2047             :   ///@}
    2048             : 
    2049             :   /**
    2050             :    * Return InitialCondition storage
    2051             :    */
    2052     4334500 :   const InitialConditionWarehouse & getInitialConditionWarehouse() const { return _ics; }
    2053             : 
    2054             :   /**
    2055             :    * Return FVInitialCondition storage
    2056             :    */
    2057        8306 :   const FVInitialConditionWarehouse & getFVInitialConditionWarehouse() const { return _fv_ics; }
    2058             : 
    2059             :   /**
    2060             :    * Get the solver parameters
    2061             :    */
    2062             :   SolverParams & solverParams(unsigned int solver_sys_num = 0);
    2063             : 
    2064             :   /**
    2065             :    * const version
    2066             :    */
    2067             :   const SolverParams & solverParams(unsigned int solver_sys_num = 0) const;
    2068             : 
    2069             : #ifdef LIBMESH_ENABLE_AMR
    2070             :   // Adaptivity /////
    2071      155467 :   Adaptivity & adaptivity() { return _adaptivity; }
    2072             :   virtual void initialAdaptMesh();
    2073             : 
    2074             :   /**
    2075             :    * @returns Whether or not the mesh was changed
    2076             :    */
    2077             :   virtual bool adaptMesh();
    2078             : 
    2079             :   /**
    2080             :    * @return The number of adaptivity cycles completed.
    2081             :    */
    2082         168 :   unsigned int getNumCyclesCompleted() { return _cycles_completed; }
    2083             : 
    2084             :   /**
    2085             :    * Return a Boolean indicating whether initial AMR is turned on.
    2086             :    */
    2087             :   bool hasInitialAdaptivity() const { return _adaptivity.getInitialSteps() > 0; }
    2088             : #else
    2089             :   /**
    2090             :    * Return a Boolean indicating whether initial AMR is turned on.
    2091             :    */
    2092             :   bool hasInitialAdaptivity() const { return false; }
    2093             : #endif // LIBMESH_ENABLE_AMR
    2094             : 
    2095             :   /// Create XFEM controller object
    2096             :   void initXFEM(std::shared_ptr<XFEMInterface> xfem);
    2097             : 
    2098             :   /// Get a pointer to the XFEM controller object
    2099             :   std::shared_ptr<XFEMInterface> getXFEM() { return _xfem; }
    2100             : 
    2101             :   /// Find out whether the current analysis is using XFEM
    2102     1206909 :   bool haveXFEM() { return _xfem != nullptr; }
    2103             : 
    2104             :   /// Update the mesh due to changing XFEM cuts
    2105             :   virtual bool updateMeshXFEM();
    2106             : 
    2107             :   /**
    2108             :    * Update data after a mesh change.
    2109             :    * Iff intermediate_change is true, only perform updates as
    2110             :    * necessary to prepare for another mesh change
    2111             :    * immediately-subsequent. An example of data that is not updated during an intermediate change is
    2112             :    * libMesh System matrix data. An example of data that \emph is updated during an intermediate
    2113             :    * change is libMesh System vectors. These vectors are projected or restricted based off of
    2114             :    * adaptive mesh refinement or the changing of element subdomain IDs. The flags \p contract_mesh
    2115             :    * and \p clean_refinement_flags should generally only be set to true when the mesh has changed
    2116             :    * due to mesh refinement. \p contract_mesh deletes children of coarsened elements and renumbers
    2117             :    * nodes and elements. \p clean_refinement_flags resets refinement flags such that any subsequent
    2118             :    * calls to \p System::restrict_vectors or \p System::prolong_vectors before another AMR step do
    2119             :    * not mistakenly attempt to re-do the restriction/prolongation which occurred in this method
    2120             :    */
    2121             :   virtual void
    2122             :   meshChanged(bool intermediate_change, bool contract_mesh, bool clean_refinement_flags);
    2123             : 
    2124             :   /**
    2125             :    * Register an object that derives from MeshChangedInterface
    2126             :    * to be notified when the mesh changes.
    2127             :    */
    2128             :   void notifyWhenMeshChanges(MeshChangedInterface * mci);
    2129             : 
    2130             :   /**
    2131             :    * Register an object that derives from MeshDisplacedInterface
    2132             :    * to be notified when the displaced mesh gets updated.
    2133             :    */
    2134             :   void notifyWhenMeshDisplaces(MeshDisplacedInterface * mdi);
    2135             : 
    2136             :   /**
    2137             :    * Initialize stateful properties for elements in a specific \p elem_range
    2138             :    * This is needed when elements/boundary nodes are added to a specific subdomain
    2139             :    * at an intermediate step
    2140             :    */
    2141             :   void initElementStatefulProps(const libMesh::ConstElemRange & elem_range, const bool threaded);
    2142             : 
    2143             : #ifdef MOOSE_KOKKOS_ENABLED
    2144             :   void initKokkosStatefulProps();
    2145             : #endif
    2146             : 
    2147             :   /**
    2148             :    * Method called to perform a series of sanity checks before a simulation is run. This method
    2149             :    * doesn't return when errors are found, instead it generally calls mooseError() directly.
    2150             :    */
    2151             :   virtual void checkProblemIntegrity();
    2152             : 
    2153             :   void registerRandomInterface(RandomInterface & random_interface, const std::string & name);
    2154             : 
    2155             :   /**
    2156             :    * Set flag that Jacobian is constant (for optimization purposes)
    2157             :    * @param state True if the Jacobian is constant, false otherwise
    2158             :    */
    2159        4189 :   void setConstJacobian(bool state) { _const_jacobian = state; }
    2160             : 
    2161             :   /**
    2162             :    * Set flag to indicate whether kernel coverage checks should be performed. This check makes
    2163             :    * sure that at least one kernel is active on all subdomains in the domain (default: true).
    2164             :    */
    2165             :   void setKernelCoverageCheck(CoverageCheckMode mode) { _kernel_coverage_check = mode; }
    2166             : 
    2167             :   /**
    2168             :    * Set flag to indicate whether kernel coverage checks should be performed. This check makes
    2169             :    * sure that at least one kernel is active on all subdomains in the domain (default: true).
    2170             :    */
    2171             :   void setKernelCoverageCheck(bool flag)
    2172             :   {
    2173             :     _kernel_coverage_check = flag ? CoverageCheckMode::TRUE : CoverageCheckMode::FALSE;
    2174             :   }
    2175             : 
    2176             :   /**
    2177             :    * Set flag to indicate whether material coverage checks should be performed. This check makes
    2178             :    * sure that at least one material is active on all subdomains in the domain if any material is
    2179             :    * supplied. If no materials are supplied anywhere, a simulation is still considered OK as long as
    2180             :    * no properties are being requested anywhere.
    2181             :    */
    2182             :   void setMaterialCoverageCheck(CoverageCheckMode mode) { _material_coverage_check = mode; }
    2183             : 
    2184             :   /**
    2185             :    * Set flag to indicate whether material coverage checks should be performed. This check makes
    2186             :    * sure that at least one material is active on all subdomains in the domain if any material is
    2187             :    * supplied. If no materials are supplied anywhere, a simulation is still considered OK as long as
    2188             :    * no properties are being requested anywhere.
    2189             :    */
    2190             :   void setMaterialCoverageCheck(bool flag)
    2191             :   {
    2192             :     _material_coverage_check = flag ? CoverageCheckMode::TRUE : CoverageCheckMode::FALSE;
    2193             :   }
    2194             : 
    2195             :   /**
    2196             :    * Toggle parallel barrier messaging (defaults to on).
    2197             :    */
    2198             :   void setParallelBarrierMessaging(bool flag) { _parallel_barrier_messaging = flag; }
    2199             : 
    2200             :   /// Make the problem be verbose
    2201             :   void setVerboseProblem(bool verbose);
    2202             : 
    2203             :   /**
    2204             :    * Whether or not to use verbose printing for MultiApps.
    2205             :    */
    2206      204716 :   bool verboseMultiApps() const { return _verbose_multiapps; }
    2207             : 
    2208             :   /**
    2209             :    * Calls parentOutputPositionChanged() on all sub apps.
    2210             :    */
    2211             :   void parentOutputPositionChanged();
    2212             : 
    2213             :   ///@{
    2214             :   /**
    2215             :    * These methods are used to determine whether stateful material properties need to be stored on
    2216             :    * internal sides.  There are five situations where this may be the case: 1) DGKernels
    2217             :    * 2) IntegratedBCs 3)InternalSideUserObjects 4)ElementalAuxBCs 5)InterfaceUserObjects
    2218             :    *
    2219             :    * Method 1:
    2220             :    * @param bnd_id the boundary id for which to see if stateful material properties need to be
    2221             :    * stored
    2222             :    * @param tid the THREAD_ID of the caller
    2223             :    * @return Boolean indicating whether material properties need to be stored
    2224             :    *
    2225             :    * Method 2:
    2226             :    * @param subdomain_id the subdomain id for which to see if stateful material properties need to
    2227             :    * be stored
    2228             :    * @param tid the THREAD_ID of the caller
    2229             :    * @return Boolean indicating whether material properties need to be stored
    2230             :    */
    2231             :   bool needBoundaryMaterialOnSide(BoundaryID bnd_id, const THREAD_ID tid);
    2232             :   bool needInterfaceMaterialOnSide(BoundaryID bnd_id, const THREAD_ID tid);
    2233             :   bool needInternalNeighborSideMaterial(SubdomainID subdomain_id, const THREAD_ID tid);
    2234             :   ///@}
    2235             : 
    2236             :   /**
    2237             :    * Dimension of the subspace spanned by vectors with a given prefix.
    2238             :    * @param prefix Prefix of the vectors spanning the subspace.
    2239             :    */
    2240      884589 :   unsigned int subspaceDim(const std::string & prefix) const
    2241             :   {
    2242      884589 :     if (_subspace_dim.count(prefix))
    2243      884589 :       return _subspace_dim.find(prefix)->second;
    2244             :     else
    2245           0 :       return 0;
    2246             :   }
    2247             : 
    2248             :   /*
    2249             :    * Return reference to function warehouse.
    2250             :    */
    2251           2 :   const MooseObjectWarehouse<Function> & getFunctionWarehouse() { return _functions; }
    2252             : 
    2253             :   /*
    2254             :    * Return a reference to the material warehouse of *all* Material objects.
    2255             :    */
    2256     5245876 :   const MaterialWarehouse & getMaterialWarehouse() const { return _all_materials; }
    2257             : 
    2258             :   /*
    2259             :    * Return a reference to the material warehouse of Material objects to be computed.
    2260             :    */
    2261       11242 :   const MaterialWarehouse & getRegularMaterialsWarehouse() const { return _materials; }
    2262       10079 :   const MaterialWarehouse & getDiscreteMaterialWarehouse() const { return _discrete_materials; }
    2263       11265 :   const MaterialWarehouse & getInterfaceMaterialsWarehouse() const { return _interface_materials; }
    2264             : 
    2265             : #ifdef MOOSE_KOKKOS_ENABLED
    2266             :   /*
    2267             :    * Return a reference to the material warehouse of Kokkos Material objects to be computed.
    2268             :    */
    2269       45998 :   const MaterialWarehouse & getKokkosMaterialsWarehouse() const { return _kokkos_materials; }
    2270             : #endif
    2271             : 
    2272             :   /**
    2273             :    * Return a pointer to a MaterialBase object.  If no_warn is true, suppress
    2274             :    * warning about retrieving a material reference potentially during the
    2275             :    * material's calculation.
    2276             :    *
    2277             :    * This will return enabled or disabled objects, the main purpose is for iterative materials.
    2278             :    */
    2279             :   std::shared_ptr<MaterialBase> getMaterial(std::string name,
    2280             :                                             Moose::MaterialDataType type,
    2281             :                                             const THREAD_ID tid = 0,
    2282             :                                             bool no_warn = false);
    2283             : 
    2284             :   /**
    2285             :    * @return The MaterialData for the type \p type for thread \p tid
    2286             :    */
    2287             :   MaterialData & getMaterialData(Moose::MaterialDataType type,
    2288             :                                  const THREAD_ID tid = 0,
    2289             :                                  const MooseObject * object = nullptr) const;
    2290             : 
    2291             : #ifdef MOOSE_KOKKOS_ENABLED
    2292             :   /**
    2293             :    * @return The Kokkos MaterialData for the type \p type for thread \p tid
    2294             :    */
    2295             :   MaterialData & getKokkosMaterialData(Moose::MaterialDataType type,
    2296             :                                        const MooseObject * object = nullptr) const;
    2297             : #endif
    2298             : 
    2299             :   /**
    2300             :    * @return The consumers of the MaterialPropertyStorage for the type \p type
    2301             :    */
    2302             :   const std::set<const MooseObject *> &
    2303             :   getMaterialPropertyStorageConsumers(Moose::MaterialDataType type) const;
    2304             : 
    2305             : #ifdef MOOSE_KOKKOS_ENABLED
    2306             :   /**
    2307             :    * @return The consumers of the Kokkos MaterialPropertyStorage for the type \p type
    2308             :    */
    2309             :   const std::set<const MooseObject *> &
    2310             :   getKokkosMaterialPropertyStorageConsumers(Moose::MaterialDataType type) const;
    2311             : #endif
    2312             : 
    2313             :   /**
    2314             :    * @returns Whether the original matrix nonzero pattern is restored before each Jacobian assembly
    2315             :    */
    2316      472578 :   bool restoreOriginalNonzeroPattern() const { return _restore_original_nonzero_pattern; }
    2317             : 
    2318             :   /**
    2319             :    * Will return True if the user wants to get an error when
    2320             :    * a nonzero is reallocated in the Jacobian by PETSc
    2321             :    */
    2322      515652 :   bool errorOnJacobianNonzeroReallocation() const
    2323             :   {
    2324      515652 :     return _error_on_jacobian_nonzero_reallocation;
    2325             :   }
    2326             : 
    2327         240 :   void setErrorOnJacobianNonzeroReallocation(bool state)
    2328             :   {
    2329         240 :     _error_on_jacobian_nonzero_reallocation = state;
    2330         240 :   }
    2331             : 
    2332             :   /**
    2333             :    * Will return True if the executioner in use requires preserving the sparsity pattern of the
    2334             :    * matrices being formed during the solve. This is usually the Jacobian.
    2335             :    */
    2336             :   bool preserveMatrixSparsityPattern() const { return _preserve_matrix_sparsity_pattern; };
    2337             : 
    2338             :   /// Set whether the sparsity pattern of the matrices being formed during the solve (usually the Jacobian)
    2339             :   /// should be preserved. This global setting can be retrieved by kernels, notably those using AD, to decide
    2340             :   /// whether to take additional care to preserve the sparsity pattern
    2341             :   void setPreserveMatrixSparsityPattern(bool preserve);
    2342             : 
    2343             :   /**
    2344             :    * Will return true if zeros in the Jacobian are to be dropped from the sparsity pattern.
    2345             :    * Note that this can make preserving the matrix sparsity pattern impossible.
    2346             :    */
    2347      488009 :   bool ignoreZerosInJacobian() const { return _ignore_zeros_in_jacobian; }
    2348             : 
    2349             :   /// Set whether the zeros in the Jacobian should be dropped from the sparsity pattern
    2350             :   void setIgnoreZerosInJacobian(bool state) { _ignore_zeros_in_jacobian = state; }
    2351             : 
    2352             :   /**
    2353             :    * Whether or not to accept the solution based on its invalidity.
    2354             :    *
    2355             :    * If this returns false, it means that an invalid solution was encountered
    2356             :    * (an error) that was not allowed.
    2357             :    */
    2358             :   bool acceptInvalidSolution() const;
    2359             :   /**
    2360             :    * Whether to accept / allow an invalid solution
    2361             :    */
    2362      309255 :   bool allowInvalidSolution() const { return _allow_invalid_solution; }
    2363             : 
    2364             :   /**
    2365             :    * Whether or not to print out the invalid solutions summary table in console
    2366             :    */
    2367         626 :   bool showInvalidSolutionConsole() const { return _show_invalid_solution_console; }
    2368             : 
    2369             :   /**
    2370             :    * Whether or not the solution invalid warnings are printed out immediately
    2371             :    */
    2372       31152 :   bool immediatelyPrintInvalidSolution() const { return _immediately_print_invalid_solution; }
    2373             : 
    2374             :   /// Returns whether or not this Problem has a TimeIntegrator
    2375       30636 :   bool hasTimeIntegrator() const { return _has_time_integrator; }
    2376             : 
    2377             :   ///@{
    2378             :   /**
    2379             :    * Return/set the current execution flag.
    2380             :    *
    2381             :    * Returns EXEC_NONE when not being executed.
    2382             :    * @see FEProblemBase::execute
    2383             :    */
    2384             :   const ExecFlagType & getCurrentExecuteOnFlag() const;
    2385             :   void setCurrentExecuteOnFlag(const ExecFlagType &);
    2386             :   ///@}
    2387             : 
    2388             :   /**
    2389             :    * Convenience function for performing execution of MOOSE systems.
    2390             :    */
    2391             :   virtual void execute(const ExecFlagType & exec_type);
    2392             :   virtual void executeAllObjects(const ExecFlagType & exec_type);
    2393             : 
    2394           0 :   virtual Executor & getExecutor(const std::string & name) { return _app.getExecutor(name); }
    2395             : 
    2396             :   /**
    2397             :    * Call compute methods on UserObjects.
    2398             :    */
    2399             :   virtual void computeUserObjects(const ExecFlagType & type, const Moose::AuxGroup & group);
    2400             : 
    2401             :   /**
    2402             :    * Compute an user object with the given name
    2403             :    */
    2404             :   virtual void computeUserObjectByName(const ExecFlagType & type,
    2405             :                                        const Moose::AuxGroup & group,
    2406             :                                        const std::string & name);
    2407             : 
    2408             :   /**
    2409             :    * Set a flag that indicated that user required values for the previous Newton iterate
    2410             :    */
    2411             :   void needsPreviousNewtonIteration(bool state);
    2412             : 
    2413             :   /**
    2414             :    * Check to see whether we need to compute the variable values of the previous Newton iterate
    2415             :    * @return true if the user required values of the previous Newton iterate
    2416             :    */
    2417             :   bool needsPreviousNewtonIteration() const;
    2418             : 
    2419             :   /**
    2420             :    * Set a flag that indicated that user required values for the previous multiapp fixed point
    2421             :    * iterate for the solver systems (not auxiliary)
    2422             :    * @param needed the value that should be set to the flag
    2423             :    * @param solver_sys_num the index of the solver system for which the previous iteration is needed
    2424             :    */
    2425             :   void needsPreviousMultiAppFixedPointIterationSolution(bool needed,
    2426             :                                                         const unsigned int solver_sys_num);
    2427             : 
    2428             :   /**
    2429             :    * Check to see whether we need to compute the variable values of the previous multiapp fixed
    2430             :    * point iteration for the solver systems (not auxiliary)
    2431             :    * @param solver_sys_num the index of the solver system for which the previous iteration is needed
    2432             :    * @return true if the user required values of the previous multiapp fixed point iteration
    2433             :    */
    2434             :   bool needsPreviousMultiAppFixedPointIterationSolution(const unsigned int solver_sys_num) const;
    2435             : 
    2436             :   /**
    2437             :    * Set a flag that indicated that user required values for the previous multiapp fixed point
    2438             :    * iterate for the auxiliary system
    2439             :    */
    2440             :   void needsPreviousMultiAppFixedPointIterationAuxiliary(bool state);
    2441             : 
    2442             :   /**
    2443             :    * Check to see whether we need to compute the variable values of the previous multiapp fixed
    2444             :    * point iteration for the auxiliary system
    2445             :    * @return true if the user required values of the previous multiapp fixed point iteration from
    2446             :    * the auxiliary system
    2447             :    */
    2448             :   bool needsPreviousMultiAppFixedPointIterationAuxiliary() const;
    2449             : 
    2450             :   ///@{
    2451             :   /**
    2452             :    * Convenience zeros
    2453             :    */
    2454             :   std::vector<Real> _real_zero;
    2455             :   std::vector<VariableValue> _scalar_zero;
    2456             :   std::vector<VariableValue> _zero;
    2457             :   std::vector<VariablePhiValue> _phi_zero;
    2458             :   std::vector<MooseArray<ADReal>> _ad_zero;
    2459             :   std::vector<VariableGradient> _grad_zero;
    2460             :   std::vector<MooseArray<ADRealVectorValue>> _ad_grad_zero;
    2461             :   std::vector<VariablePhiGradient> _grad_phi_zero;
    2462             :   std::vector<VariableSecond> _second_zero;
    2463             :   std::vector<MooseArray<ADRealTensorValue>> _ad_second_zero;
    2464             :   std::vector<VariablePhiSecond> _second_phi_zero;
    2465             :   std::vector<Point> _point_zero;
    2466             :   std::vector<VectorVariableValue> _vector_zero;
    2467             :   std::vector<VectorVariableCurl> _vector_curl_zero;
    2468             :   ///@}
    2469             : 
    2470             :   /**
    2471             :    * Reference to the control logic warehouse.
    2472             :    */
    2473      121245 :   ExecuteMooseObjectWarehouse<Control> & getControlWarehouse() { return _control_warehouse; }
    2474             : 
    2475             :   /**
    2476             :    * Performs setup and execute calls for Control objects.
    2477             :    */
    2478             :   void executeControls(const ExecFlagType & exec_type);
    2479             : 
    2480             :   /**
    2481             :    * Performs setup and execute calls for Sampler objects.
    2482             :    */
    2483             :   void executeSamplers(const ExecFlagType & exec_type);
    2484             : 
    2485             :   /**
    2486             :    * Update the active objects in the warehouses
    2487             :    */
    2488             :   virtual void updateActiveObjects();
    2489             : 
    2490             :   /**
    2491             :    * Register a MOOSE object dependency so we can either order
    2492             :    * operations properly or report when we cannot.
    2493             :    * a -> b (a depends on b)
    2494             :    */
    2495             :   void reportMooseObjectDependency(MooseObject * a, MooseObject * b);
    2496             : 
    2497       93328 :   ExecuteMooseObjectWarehouse<MultiApp> & getMultiAppWarehouse() { return _multi_apps; }
    2498             : 
    2499             :   /**
    2500             :    * Returns _has_jacobian
    2501             :    */
    2502             :   bool hasJacobian() const;
    2503             : 
    2504             :   /**
    2505             :    * Returns _const_jacobian (whether a MOOSE object has specified that
    2506             :    * the Jacobian is the same as the previous time it was computed)
    2507             :    */
    2508             :   bool constJacobian() const;
    2509             : 
    2510             :   /**
    2511             :    * Adds an Output object.
    2512             :    */
    2513             :   void addOutput(const std::string &, const std::string &, InputParameters &);
    2514             : 
    2515    39491747 :   inline TheWarehouse & theWarehouse() const { return _app.theWarehouse(); }
    2516             : 
    2517             :   /**
    2518             :    * If or not to reuse the base vector for matrix-free calculation
    2519             :    */
    2520       59709 :   void setSNESMFReuseBase(bool reuse, bool set_by_user)
    2521             :   {
    2522       59709 :     _snesmf_reuse_base = reuse, _snesmf_reuse_base_set_by_user = set_by_user;
    2523       59709 :   }
    2524             : 
    2525             :   /**
    2526             :    * Return a flag that indicates if we are reusing the vector base
    2527             :    */
    2528      292764 :   bool useSNESMFReuseBase() { return _snesmf_reuse_base; }
    2529             : 
    2530             :   /**
    2531             :    * Set a flag that indicates if we want to skip exception and stop solve
    2532             :    */
    2533       59709 :   void skipExceptionCheck(bool skip_exception_check)
    2534             :   {
    2535       59709 :     _skip_exception_check = skip_exception_check;
    2536       59709 :   }
    2537             : 
    2538             :   /**
    2539             :    * Return a flag to indicate if _snesmf_reuse_base is set by users
    2540             :    */
    2541             :   bool isSNESMFReuseBaseSetbyUser() { return _snesmf_reuse_base_set_by_user; }
    2542             : 
    2543             :   /**
    2544             :    * If PETSc options are already inserted
    2545             :    */
    2546        1091 :   bool & petscOptionsInserted() { return _is_petsc_options_inserted; }
    2547             : 
    2548             : #if !PETSC_RELEASE_LESS_THAN(3, 12, 0)
    2549          24 :   PetscOptions & petscOptionsDatabase() { return _petsc_option_data_base; }
    2550             : #endif
    2551             : 
    2552             :   /// Set boolean flag to true to store solution time derivative
    2553       60187 :   virtual void setUDotRequested(const bool u_dot_requested) { _u_dot_requested = u_dot_requested; }
    2554             : 
    2555             :   /// Set boolean flag to true to store solution second time derivative
    2556         300 :   virtual void setUDotDotRequested(const bool u_dotdot_requested)
    2557             :   {
    2558         300 :     _u_dotdot_requested = u_dotdot_requested;
    2559         300 :   }
    2560             : 
    2561             :   /// Set boolean flag to true to store old solution time derivative
    2562         300 :   virtual void setUDotOldRequested(const bool u_dot_old_requested)
    2563             :   {
    2564         300 :     _u_dot_old_requested = u_dot_old_requested;
    2565         300 :   }
    2566             : 
    2567             :   /// Set boolean flag to true to store old solution second time derivative
    2568         300 :   virtual void setUDotDotOldRequested(const bool u_dotdot_old_requested)
    2569             :   {
    2570         300 :     _u_dotdot_old_requested = u_dotdot_old_requested;
    2571         300 :   }
    2572             : 
    2573             :   /// Get boolean flag to check whether solution time derivative needs to be stored
    2574       60072 :   virtual bool uDotRequested() { return _u_dot_requested; }
    2575             : 
    2576             :   /// Get boolean flag to check whether solution second time derivative needs to be stored
    2577       90106 :   virtual bool uDotDotRequested() { return _u_dotdot_requested; }
    2578             : 
    2579             :   /// Get boolean flag to check whether old solution time derivative needs to be stored
    2580       60072 :   virtual bool uDotOldRequested()
    2581             :   {
    2582       60072 :     if (_u_dot_old_requested && !_u_dot_requested)
    2583           0 :       mooseError("FEProblemBase: When requesting old time derivative of solution, current time "
    2584             :                  "derivative of solution should also be stored. Please set `u_dot_requested` to "
    2585             :                  "true using setUDotRequested.");
    2586             : 
    2587       60072 :     return _u_dot_old_requested;
    2588             :   }
    2589             : 
    2590             :   /// Get boolean flag to check whether old solution second time derivative needs to be stored
    2591       60072 :   virtual bool uDotDotOldRequested()
    2592             :   {
    2593       60072 :     if (_u_dotdot_old_requested && !_u_dotdot_requested)
    2594           0 :       mooseError("FEProblemBase: When requesting old second time derivative of solution, current "
    2595             :                  "second time derivation of solution should also be stored. Please set "
    2596             :                  "`u_dotdot_requested` to true using setUDotDotRequested.");
    2597       60072 :     return _u_dotdot_old_requested;
    2598             :   }
    2599             : 
    2600             :   using SubProblem::haveADObjects;
    2601             :   void haveADObjects(bool have_ad_objects) override;
    2602             : 
    2603             :   // Whether or not we should solve this system
    2604      346595 :   bool shouldSolve() const { return _solve; }
    2605             : 
    2606             :   /**
    2607             :    * Returns the mortar data object
    2608             :    */
    2609             :   const MortarInterfaceWarehouse & mortarData() const { return *_mortar_data; }
    2610        1326 :   MortarInterfaceWarehouse & mortarData() { return *_mortar_data; }
    2611             : 
    2612             :   /**
    2613             :    * Whether the simulation has neighbor coupling
    2614             :    */
    2615           0 :   virtual bool hasNeighborCoupling() const { return _has_internal_edge_residual_objects; }
    2616             : 
    2617             :   /**
    2618             :    * Whether the simulation has mortar coupling
    2619             :    */
    2620           0 :   virtual bool hasMortarCoupling() const { return _has_mortar; }
    2621             : 
    2622             :   using SubProblem::computingNonlinearResid;
    2623             :   void computingNonlinearResid(bool computing_nonlinear_residual) final;
    2624             : 
    2625             :   using SubProblem::currentlyComputingResidual;
    2626             :   void setCurrentlyComputingResidual(bool currently_computing_residual) final;
    2627             : 
    2628             :   /**
    2629             :    * Set the number of steps in a grid sequences
    2630             :    */
    2631       59694 :   void numGridSteps(unsigned int num_grid_steps) { _num_grid_steps = num_grid_steps; }
    2632             : 
    2633             :   /**
    2634             :    * uniformly refine the problem mesh(es). This will also prolong the the solution, and in order
    2635             :    * for that to be safe, we can only perform one refinement at a time
    2636             :    */
    2637             :   void uniformRefine();
    2638             : 
    2639             :   using SubProblem::automaticScaling;
    2640             :   void automaticScaling(bool automatic_scaling) override;
    2641             : 
    2642             :   ///@{
    2643             :   /**
    2644             :    * Helpers for calling the necessary setup/execute functions for the supplied objects
    2645             :    */
    2646             :   template <typename T>
    2647             :   static void objectSetupHelper(const std::vector<T *> & objects, const ExecFlagType & exec_flag);
    2648             :   template <typename T>
    2649             :   static void objectExecuteHelper(const std::vector<T *> & objects);
    2650             :   ///@}
    2651             : 
    2652             :   /**
    2653             :    * reinitialize FE objects on a given element on a given side at a given set of reference
    2654             :    * points and then compute variable data. Note that this method makes no assumptions about what's
    2655             :    * been called beforehand, e.g. you don't have to call some prepare method before this one. This
    2656             :    * is an all-in-one reinit
    2657             :    */
    2658             :   virtual void reinitElemFaceRef(const Elem * elem,
    2659             :                                  unsigned int side,
    2660             :                                  Real tolerance,
    2661             :                                  const std::vector<Point> * const pts,
    2662             :                                  const std::vector<Real> * const weights = nullptr,
    2663             :                                  const THREAD_ID tid = 0) override;
    2664             : 
    2665             :   /**
    2666             :    * reinitialize FE objects on a given neighbor element on a given side at a given set of reference
    2667             :    * points and then compute variable data. Note that this method makes no assumptions about what's
    2668             :    * been called beforehand, e.g. you don't have to call some prepare method before this one. This
    2669             :    * is an all-in-one reinit
    2670             :    */
    2671             :   virtual void reinitNeighborFaceRef(const Elem * neighbor_elem,
    2672             :                                      unsigned int neighbor_side,
    2673             :                                      Real tolerance,
    2674             :                                      const std::vector<Point> * const pts,
    2675             :                                      const std::vector<Real> * const weights = nullptr,
    2676             :                                      const THREAD_ID tid = 0) override;
    2677             : 
    2678             :   /**
    2679             :    * @return whether to perform a boundary condition integrity check for finite volume
    2680             :    */
    2681        2555 :   bool fvBCsIntegrityCheck() const { return _fv_bcs_integrity_check; }
    2682             : 
    2683             :   /**
    2684             :    * @param fv_bcs_integrity_check Whether to perform a boundary condition integrity check for
    2685             :    * finite volume
    2686             :    */
    2687             :   void fvBCsIntegrityCheck(bool fv_bcs_integrity_check);
    2688             : 
    2689             :   /**
    2690             :    * Get the materials and variables potentially needed for FV
    2691             :    * @param block_id SubdomainID The subdomain id that we want to retrieve materials for
    2692             :    * @param face_materials The face materials container that we will fill
    2693             :    * @param neighbor_materials The neighbor materials container that we will fill
    2694             :    * @param variables The variables container that we will fill that our materials depend on
    2695             :    * @param tid The thread id
    2696             :    */
    2697             :   void getFVMatsAndDependencies(SubdomainID block_id,
    2698             :                                 std::vector<std::shared_ptr<MaterialBase>> & face_materials,
    2699             :                                 std::vector<std::shared_ptr<MaterialBase>> & neighbor_materials,
    2700             :                                 std::set<MooseVariableFieldBase *> & variables,
    2701             :                                 const THREAD_ID tid);
    2702             : 
    2703             :   /**
    2704             :    * Resize material data
    2705             :    * @param data_type The type of material data to resize
    2706             :    * @param nqp The number of quadrature points to resize for
    2707             :    * @param tid The thread ID
    2708             :    */
    2709             :   void resizeMaterialData(Moose::MaterialDataType data_type, unsigned int nqp, const THREAD_ID tid);
    2710             : 
    2711        2265 :   bool haveDisplaced() const override final { return _displaced_problem.get(); }
    2712             : 
    2713             :   /// Whether we have linear convergence objects
    2714             :   bool hasLinearConvergenceObjects() const;
    2715             :   /**
    2716             :    * Sets the nonlinear convergence object name(s) if there is one
    2717             :    */
    2718             :   void setNonlinearConvergenceNames(const std::vector<ConvergenceName> & convergence_names);
    2719             :   /**
    2720             :    * Sets the linear convergence object name(s) if there is one
    2721             :    */
    2722             :   void setLinearConvergenceNames(const std::vector<ConvergenceName> & convergence_names);
    2723             :   /**
    2724             :    * Sets the MultiApp fixed point convergence object name if there is one
    2725             :    */
    2726             :   void setMultiAppFixedPointConvergenceName(const ConvergenceName & convergence_name);
    2727             :   /**
    2728             :    * Sets the steady-state detection convergence object name if there is one
    2729             :    */
    2730             :   void setSteadyStateConvergenceName(const ConvergenceName & convergence_name);
    2731             : 
    2732             :   /**
    2733             :    * Gets the nonlinear system convergence object name(s).
    2734             :    */
    2735             :   const std::vector<ConvergenceName> & getNonlinearConvergenceNames() const;
    2736             :   /**
    2737             :    * Gets the linear convergence object name(s).
    2738             :    */
    2739             :   const std::vector<ConvergenceName> & getLinearConvergenceNames() const;
    2740             :   /**
    2741             :    * Gets the MultiApp fixed point convergence object name.
    2742             :    */
    2743             :   const ConvergenceName & getMultiAppFixedPointConvergenceName() const;
    2744             :   /**
    2745             :    * Gets the steady-state detection convergence object name.
    2746             :    */
    2747             :   const ConvergenceName & getSteadyStateConvergenceName() const;
    2748             : 
    2749             :   /**
    2750             :    * Setter for whether we're computing the scaling jacobian
    2751             :    */
    2752         966 :   void computingScalingJacobian(bool computing_scaling_jacobian)
    2753             :   {
    2754         966 :     _computing_scaling_jacobian = computing_scaling_jacobian;
    2755         966 :   }
    2756             : 
    2757    66347762 :   bool computingScalingJacobian() const override final { return _computing_scaling_jacobian; }
    2758             : 
    2759             :   /**
    2760             :    * Setter for whether we're computing the scaling residual
    2761             :    */
    2762          90 :   void computingScalingResidual(bool computing_scaling_residual)
    2763             :   {
    2764          90 :     _computing_scaling_residual = computing_scaling_residual;
    2765          90 :   }
    2766             : 
    2767             :   /**
    2768             :    * @return whether we are currently computing a residual for automatic scaling purposes
    2769             :    */
    2770     6168260 :   bool computingScalingResidual() const override final { return _computing_scaling_residual; }
    2771             : 
    2772             :   /**
    2773             :    * @return the coordinate transformation object that describes how to transform this problem's
    2774             :    * coordinate system into the canonical/reference coordinate system
    2775             :    */
    2776             :   MooseAppCoordTransform & coordTransform();
    2777             : 
    2778   160479036 :   virtual std::size_t numNonlinearSystems() const override { return _num_nl_sys; }
    2779             : 
    2780      426813 :   virtual std::size_t numLinearSystems() const override { return _num_linear_sys; }
    2781             : 
    2782    11599156 :   virtual std::size_t numSolverSystems() const override { return _num_nl_sys + _num_linear_sys; }
    2783             : 
    2784             :   /// Check if the solver system is nonlinear
    2785      219195 :   bool isSolverSystemNonlinear(const unsigned int sys_num) { return sys_num < _num_nl_sys; }
    2786             : 
    2787             :   virtual unsigned int currentNlSysNum() const override;
    2788             : 
    2789             :   virtual unsigned int currentLinearSysNum() const override;
    2790             : 
    2791             :   /**
    2792             :    * @return the nonlinear system number corresponding to the provided \p nl_sys_name
    2793             :    */
    2794             :   virtual unsigned int nlSysNum(const NonlinearSystemName & nl_sys_name) const override;
    2795             : 
    2796             :   /**
    2797             :    * @return the linear system number corresponding to the provided \p linear_sys_name
    2798             :    */
    2799             :   unsigned int linearSysNum(const LinearSystemName & linear_sys_name) const override;
    2800             : 
    2801             :   /**
    2802             :    * @return the solver system number corresponding to the provided \p solver_sys_name
    2803             :    */
    2804             :   unsigned int solverSysNum(const SolverSystemName & solver_sys_name) const override;
    2805             : 
    2806             :   /**
    2807             :    * @return the system number for the provided \p variable_name
    2808             :    * Can be nonlinear or auxiliary
    2809             :    */
    2810             :   unsigned int systemNumForVariable(const VariableName & variable_name) const;
    2811             : 
    2812             :   /// Whether it will skip further residual evaluations and fail the next nonlinear convergence check(s)
    2813     1984557 :   bool getFailNextNonlinearConvergenceCheck() const { return getFailNextSystemConvergenceCheck(); }
    2814             :   /// Whether it will fail the next system convergence check(s), triggering failed step behavior
    2815     1989192 :   bool getFailNextSystemConvergenceCheck() const { return _fail_next_system_convergence_check; }
    2816             : 
    2817             :   /// Skip further residual evaluations and fail the next nonlinear convergence check(s)
    2818          89 :   void setFailNextNonlinearConvergenceCheck() { setFailNextSystemConvergenceCheck(); }
    2819             :   /// Tell the problem that the system(s) cannot be considered converged next time convergence is checked
    2820          89 :   void setFailNextSystemConvergenceCheck() { _fail_next_system_convergence_check = true; }
    2821             : 
    2822             :   /// Tell the problem that the nonlinear convergence check(s) may proceed as normal
    2823         221 :   void resetFailNextNonlinearConvergenceCheck() { resetFailNextSystemConvergenceCheck(); }
    2824             :   /// Tell the problem that the system convergence check(s) may proceed as normal
    2825         221 :   void resetFailNextSystemConvergenceCheck() { _fail_next_system_convergence_check = false; }
    2826             : 
    2827             :   /*
    2828             :    * Set the status of loop order of execution printing
    2829             :    * @param print_exec set of execution flags to print on
    2830             :    */
    2831         224 :   void setExecutionPrinting(const ExecFlagEnum & print_exec) { _print_execution_on = print_exec; }
    2832             : 
    2833             :   /**
    2834             :    * Check whether the problem should output execution orders at this time
    2835             :    */
    2836             :   bool shouldPrintExecution(const THREAD_ID tid) const;
    2837             :   /**
    2838             :    * Call \p reinit on mortar user objects with matching primary boundary ID, secondary boundary ID,
    2839             :    * and displacement characteristics
    2840             :    */
    2841             :   void reinitMortarUserObjects(BoundaryID primary_boundary_id,
    2842             :                                BoundaryID secondary_boundary_id,
    2843             :                                bool displaced);
    2844             : 
    2845             :   virtual const std::vector<VectorTag> & currentResidualVectorTags() const override;
    2846             : 
    2847             :   /**
    2848             :    * Class that is used as a parameter to set/clearCurrentResidualVectorTags that allows only
    2849             :    * blessed classes to call said methods
    2850             :    */
    2851             :   class CurrentResidualVectorTagsKey
    2852             :   {
    2853             :     friend class CrankNicolson;
    2854             :     friend class FEProblemBase;
    2855             :     CurrentResidualVectorTagsKey() {}
    2856             :     CurrentResidualVectorTagsKey(const CurrentResidualVectorTagsKey &) {}
    2857             :   };
    2858             : 
    2859             :   /**
    2860             :    * Set the current residual vector tag data structure based on the passed in tag IDs
    2861             :    */
    2862             :   void setCurrentResidualVectorTags(const std::set<TagID> & vector_tags);
    2863             : 
    2864             :   /**
    2865             :    * Clear the current residual vector tag data structure
    2866             :    */
    2867             :   void clearCurrentResidualVectorTags();
    2868             : 
    2869             :   /**
    2870             :    * Clear the current Jacobian matrix tag data structure ... if someone creates it
    2871             :    */
    2872     3525449 :   void clearCurrentJacobianMatrixTags() {}
    2873             : 
    2874        6252 :   virtual void needFV() override { _have_fv = true; }
    2875   349321943 :   virtual bool haveFV() const override { return _have_fv; }
    2876             : 
    2877    48210714 :   virtual bool hasNonlocalCoupling() const override { return _has_nonlocal_coupling; }
    2878             : 
    2879             :   /**
    2880             :    * Whether to identify variable groups in nonlinear systems. This affects dof ordering
    2881             :    */
    2882       60882 :   bool identifyVariableGroupsInNL() const { return _identify_variable_groups_in_nl; }
    2883             : 
    2884             :   virtual void setCurrentLowerDElem(const Elem * const lower_d_elem, const THREAD_ID tid) override;
    2885             :   virtual void setCurrentBoundaryID(BoundaryID bid, const THREAD_ID tid) override;
    2886             : 
    2887             :   /**
    2888             :    * @returns the nolinear system names in the problem
    2889             :    */
    2890      130204 :   const std::vector<NonlinearSystemName> & getNonlinearSystemNames() const { return _nl_sys_names; }
    2891             :   /**
    2892             :    * @returns the linear system names in the problem
    2893             :    */
    2894       59954 :   const std::vector<LinearSystemName> & getLinearSystemNames() const { return _linear_sys_names; }
    2895             :   /**
    2896             :    * @returns the solver system names in the problem
    2897             :    */
    2898         494 :   const std::vector<SolverSystemName> & getSolverSystemNames() const { return _solver_sys_names; }
    2899             : 
    2900             :   virtual const libMesh::CouplingMatrix & nonlocalCouplingMatrix(const unsigned i) const override;
    2901             : 
    2902             :   virtual bool checkNonlocalCouplingRequirement() const override;
    2903             : 
    2904      106997 :   virtual Moose::FEBackend feBackend() const { return Moose::FEBackend::LibMesh; }
    2905             : 
    2906             :   class CreateTaggedMatrixKey
    2907             :   {
    2908       60760 :     CreateTaggedMatrixKey() {}
    2909             :     CreateTaggedMatrixKey(const CreateTaggedMatrixKey &) {}
    2910             : 
    2911             :     friend class AddTaggedMatricesAction;
    2912             :   };
    2913             : 
    2914             :   void createTagMatrices(CreateTaggedMatrixKey);
    2915             : 
    2916        1591 :   bool useHashTableMatrixAssembly() const { return _use_hash_table_matrix_assembly; }
    2917             : 
    2918             : #ifdef MOOSE_KOKKOS_ENABLED
    2919             :   /**
    2920             :    * @returns whether any Kokkos object was added in the problem
    2921             :    */
    2922       57302 :   bool hasKokkosObjects() const { return _has_kokkos_objects; }
    2923             :   /**
    2924             :    * @returns whether any Kokkos residual object was added in the problem
    2925             :    */
    2926     4780497 :   bool hasKokkosResidualObjects() const { return _has_kokkos_residual_objects; }
    2927             :   /**
    2928             :    * Add a function hook that needs to be called after Kokkos mesh initialization
    2929             :    * @param function The function to be called
    2930             :    */
    2931       18890 :   void addKokkosMeshInitializationHook(std::function<void()> function)
    2932             :   {
    2933       18890 :     _kokkos_mesh_initialization_hooks.push_back(function);
    2934       18890 :   }
    2935             : #endif
    2936             : 
    2937             : protected:
    2938             :   /**
    2939             :    * Deprecated. Users should switch to overriding the meshChanged which takes arguments
    2940             :    */
    2941        6998 :   virtual void meshChanged() {}
    2942             : 
    2943             :   /// Create extra tagged vectors and matrices
    2944             :   void createTagVectors();
    2945             : 
    2946             :   /// Create extra tagged solution vectors
    2947             :   void createTagSolutions();
    2948             : 
    2949             :   /**
    2950             :    * Update data after a mesh displaced.
    2951             :    */
    2952             :   virtual void meshDisplaced();
    2953             : 
    2954             :   /**
    2955             :    * Do generic system computations
    2956             :    */
    2957             :   void computeSystems(const ExecFlagType & type);
    2958             : 
    2959             :   MooseMesh & _mesh;
    2960             : 
    2961             : private:
    2962             :   /// The EquationSystems object, wrapped for restart
    2963             :   Restartable::ManagedValue<RestartableEquationSystems> _req;
    2964             : 
    2965             :   /**
    2966             :    * Set the subproblem and system parameters for residual objects and log their addition
    2967             :    * @param ro_name The type of the residual object
    2968             :    * @param name The name of the residual object
    2969             :    * @param parameters The residual object parameters
    2970             :    * @param nl_sys_num The nonlinear system that the residual object belongs to
    2971             :    * @param base_name The base type of the residual object, e.g. Kernel, BoundaryCondition, etc.
    2972             :    * @param reinit_displaced A data member indicating whether a geometric concept should be reinit'd
    2973             :    * for the displaced problem. Examples of valid data members to pass in are \p
    2974             :    * _reinit_displaced_elem and \p _reinit_displaced_face
    2975             :    */
    2976             :   void setResidualObjectParamsAndLog(const std::string & ro_name,
    2977             :                                      const std::string & name,
    2978             :                                      InputParameters & parameters,
    2979             :                                      const unsigned int nl_sys_num,
    2980             :                                      const std::string & base_name,
    2981             :                                      bool & reinit_displaced);
    2982             : 
    2983             :   /**
    2984             :    * Set the subproblem and system parameters for auxiliary kernels and log their addition
    2985             :    * @param ak_name The type of the auxiliary kernel
    2986             :    * @param name The name of the auxiliary kernel
    2987             :    * @param parameters The auxiliary kernel parameters
    2988             :    * @param base_name The base type of the auxiliary kernel, i.e. AuxKernel or KokkosAuxKernel
    2989             :    */
    2990             :   void setAuxKernelParamsAndLog(const std::string & ak_name,
    2991             :                                 const std::string & name,
    2992             :                                 InputParameters & parameters,
    2993             :                                 const std::string & base_name);
    2994             : 
    2995             :   /**
    2996             :    * Make basic solver params for linear solves
    2997             :    */
    2998             :   static SolverParams makeLinearSolverParams();
    2999             : 
    3000             :   TheWarehouse::Query getUOQuery(const std::string & system,
    3001             :                                  const ExecFlagType & type,
    3002             :                                  const Moose::AuxGroup & group) const;
    3003             : 
    3004             :   void getUOExecutionGroups(TheWarehouse::Query & query, std::set<int> & execution_groups) const;
    3005             : 
    3006             : protected:
    3007             :   bool _initialized;
    3008             : 
    3009             :   /// Nonlinear system(s) convergence name(s)
    3010             :   std::optional<std::vector<ConvergenceName>> _nonlinear_convergence_names;
    3011             :   /// Linear system(s) convergence name(s) (if any)
    3012             :   std::optional<std::vector<ConvergenceName>> _linear_convergence_names;
    3013             :   /// MultiApp fixed point convergence name
    3014             :   std::optional<ConvergenceName> _multiapp_fixed_point_convergence_name;
    3015             :   /// Steady-state detection convergence name
    3016             :   std::optional<ConvergenceName> _steady_state_convergence_name;
    3017             : 
    3018             :   std::set<TagID> _fe_vector_tags;
    3019             : 
    3020             :   std::set<TagID> _fe_matrix_tags;
    3021             : 
    3022             :   /// Temporary storage for filtered vector tags for linear systems
    3023             :   std::set<TagID> _linear_vector_tags;
    3024             : 
    3025             :   /// Temporary storage for filtered matrix tags for linear systems
    3026             :   std::set<TagID> _linear_matrix_tags;
    3027             : 
    3028             :   /// Whether or not to actually solve the nonlinear system
    3029             :   const bool & _solve;
    3030             : 
    3031             :   bool _transient;
    3032             :   Real & _time;
    3033             :   Real & _time_old;
    3034             :   int & _t_step;
    3035             :   Real & _dt;
    3036             :   Real & _dt_old;
    3037             : 
    3038             :   /// Flag that the problem needs to add the default nonlinear convergence
    3039             :   bool _need_to_add_default_nonlinear_convergence;
    3040             :   /// Flag that the problem needs to add the default fixed point convergence
    3041             :   bool _need_to_add_default_multiapp_fixed_point_convergence;
    3042             :   /// Flag that the problem needs to add the default steady convergence
    3043             :   bool _need_to_add_default_steady_state_convergence;
    3044             : 
    3045             :   /// The linear system names
    3046             :   const std::vector<LinearSystemName> _linear_sys_names;
    3047             : 
    3048             :   /// The number of linear systems
    3049             :   const std::size_t _num_linear_sys;
    3050             : 
    3051             :   /// The vector of linear systems
    3052             :   std::vector<std::shared_ptr<LinearSystem>> _linear_systems;
    3053             : 
    3054             :   /// Map from linear system name to number
    3055             :   std::map<LinearSystemName, unsigned int> _linear_sys_name_to_num;
    3056             : 
    3057             :   /// The current linear system that we are solving
    3058             :   LinearSystem * _current_linear_sys;
    3059             : 
    3060             :   /// Boolean to check if we have the default nonlinear system
    3061             :   const bool _using_default_nl;
    3062             : 
    3063             :   /// The nonlinear system names
    3064             :   const std::vector<NonlinearSystemName> _nl_sys_names;
    3065             : 
    3066             :   /// The number of nonlinear systems
    3067             :   const std::size_t _num_nl_sys;
    3068             : 
    3069             :   /// The nonlinear systems
    3070             :   std::vector<std::shared_ptr<NonlinearSystemBase>> _nl;
    3071             : 
    3072             :   /// Map from nonlinear system name to number
    3073             :   std::map<NonlinearSystemName, unsigned int> _nl_sys_name_to_num;
    3074             : 
    3075             :   /// The current nonlinear system that we are solving
    3076             :   NonlinearSystemBase * _current_nl_sys;
    3077             : 
    3078             :   /// The current solver system
    3079             :   SolverSystem * _current_solver_sys;
    3080             : 
    3081             :   /// Combined container to base pointer of every solver system
    3082             :   std::vector<std::shared_ptr<SolverSystem>> _solver_systems;
    3083             : 
    3084             :   /// Map connecting variable names with their respective solver systems
    3085             :   std::map<SolverVariableName, unsigned int> _solver_var_to_sys_num;
    3086             : 
    3087             :   /// Map connecting solver system names with their respective systems
    3088             :   std::map<SolverSystemName, unsigned int> _solver_sys_name_to_num;
    3089             : 
    3090             :   /// The union of nonlinear and linear system names
    3091             :   std::vector<SolverSystemName> _solver_sys_names;
    3092             : 
    3093             :   /// The auxiliary system
    3094             :   std::shared_ptr<AuxiliarySystem> _aux;
    3095             : 
    3096             :   Moose::CouplingType _coupling;                             ///< Type of variable coupling
    3097             :   std::vector<std::unique_ptr<libMesh::CouplingMatrix>> _cm; ///< Coupling matrix for variables.
    3098             : 
    3099             : #ifdef MOOSE_KOKKOS_ENABLED
    3100             :   Moose::Kokkos::Array<Moose::Kokkos::System> _kokkos_systems;
    3101             : #endif
    3102             : 
    3103             :   /// Dimension of the subspace spanned by the vectors with a given prefix
    3104             :   std::map<std::string, unsigned int> _subspace_dim;
    3105             : 
    3106             :   /// The Assembly objects. The first index corresponds to the thread ID and the second index
    3107             :   /// corresponds to the nonlinear system number
    3108             :   std::vector<std::vector<std::unique_ptr<Assembly>>> _assembly;
    3109             : 
    3110             : #ifdef MOOSE_KOKKOS_ENABLED
    3111             :   Moose::Kokkos::Assembly _kokkos_assembly;
    3112             : #endif
    3113             : 
    3114             :   /// Warehouse to store mesh divisions
    3115             :   /// NOTE: this could probably be moved to the MooseMesh instead of the Problem
    3116             :   /// Time (and people's uses) will tell where this fits best
    3117             :   MooseObjectWarehouse<MeshDivision> _mesh_divisions;
    3118             : 
    3119             :   /// functions
    3120             :   MooseObjectWarehouse<Function> _functions;
    3121             : 
    3122             : #ifdef MOOSE_KOKKOS_ENABLED
    3123             :   MooseObjectWarehouse<Moose::FunctionBase> _kokkos_functions;
    3124             : #endif
    3125             : 
    3126             :   /// convergence warehouse
    3127             :   MooseObjectWarehouse<Convergence> _convergences;
    3128             : 
    3129             :   /// nonlocal kernels
    3130             :   MooseObjectWarehouse<KernelBase> _nonlocal_kernels;
    3131             : 
    3132             :   /// nonlocal integrated_bcs
    3133             :   MooseObjectWarehouse<IntegratedBCBase> _nonlocal_integrated_bcs;
    3134             : 
    3135             :   ///@{
    3136             :   /// Initial condition storage
    3137             :   InitialConditionWarehouse _ics;
    3138             :   FVInitialConditionWarehouse _fv_ics;
    3139             :   ScalarInitialConditionWarehouse _scalar_ics; // use base b/c of setup methods
    3140             :   ///@}
    3141             : 
    3142             :   // material properties
    3143             :   MaterialPropertyRegistry _material_prop_registry;
    3144             :   MaterialPropertyStorage & _material_props;
    3145             :   MaterialPropertyStorage & _bnd_material_props;
    3146             :   MaterialPropertyStorage & _neighbor_material_props;
    3147             : 
    3148             : #ifdef MOOSE_KOKKOS_ENABLED
    3149             :   Moose::Kokkos::MaterialPropertyStorage & _kokkos_material_props;
    3150             :   Moose::Kokkos::MaterialPropertyStorage & _kokkos_bnd_material_props;
    3151             :   Moose::Kokkos::MaterialPropertyStorage & _kokkos_neighbor_material_props;
    3152             : #endif
    3153             :   ///@{
    3154             :   // Material Warehouses
    3155             :   MaterialWarehouse _materials;           // regular materials
    3156             :   MaterialWarehouse _interface_materials; // interface materials
    3157             :   MaterialWarehouse _discrete_materials;  // Materials that the user must compute
    3158             :   MaterialWarehouse _all_materials; // All materials for error checking and MaterialData storage
    3159             : 
    3160             : #ifdef MOOSE_KOKKOS_ENABLED
    3161             :   MaterialWarehouse _kokkos_materials; // Kokkos materials
    3162             : #endif
    3163             :   ///@}
    3164             : 
    3165             :   ///@{
    3166             :   // Indicator Warehouses
    3167             :   MooseObjectWarehouse<Indicator> _indicators;
    3168             :   MooseObjectWarehouse<InternalSideIndicatorBase> _internal_side_indicators;
    3169             :   ///@}
    3170             : 
    3171             :   // Marker Warehouse
    3172             :   MooseObjectWarehouse<Marker> _markers;
    3173             : 
    3174             :   // Helper class to access Reporter object values
    3175             :   ReporterData _reporter_data;
    3176             : 
    3177             :   /// MultiApp Warehouse
    3178             :   ExecuteMooseObjectWarehouse<MultiApp> _multi_apps;
    3179             : 
    3180             :   /// Storage for TransientMultiApps (only needed for calling 'computeDT')
    3181             :   ExecuteMooseObjectWarehouse<TransientMultiApp> _transient_multi_apps;
    3182             : 
    3183             :   /// Normal Transfers
    3184             :   ExecuteMooseObjectWarehouse<Transfer> _transfers;
    3185             : 
    3186             :   /// Transfers executed just before MultiApps to transfer data to them
    3187             :   ExecuteMooseObjectWarehouse<Transfer> _to_multi_app_transfers;
    3188             : 
    3189             :   /// Transfers executed just after MultiApps to transfer data from them
    3190             :   ExecuteMooseObjectWarehouse<Transfer> _from_multi_app_transfers;
    3191             : 
    3192             :   /// Transfers executed just before MultiApps to transfer data between them
    3193             :   ExecuteMooseObjectWarehouse<Transfer> _between_multi_app_transfers;
    3194             : 
    3195             :   /// A map of objects that consume random numbers
    3196             :   std::map<std::string, std::unique_ptr<RandomData>> _random_data_objects;
    3197             : 
    3198             :   /// Cache for calculating materials on side
    3199             :   std::vector<std::unordered_map<SubdomainID, bool>> _block_mat_side_cache;
    3200             : 
    3201             :   /// Cache for calculating materials on side
    3202             :   std::vector<std::unordered_map<BoundaryID, bool>> _bnd_mat_side_cache;
    3203             : 
    3204             :   /// Cache for calculating materials on interface
    3205             :   std::vector<std::unordered_map<BoundaryID, bool>> _interface_mat_side_cache;
    3206             : 
    3207             :   /// Objects to be notified when the mesh changes
    3208             :   std::vector<MeshChangedInterface *> _notify_when_mesh_changes;
    3209             : 
    3210             :   /// Objects to be notified when the mesh displaces
    3211             :   std::vector<MeshDisplacedInterface *> _notify_when_mesh_displaces;
    3212             : 
    3213             :   /// Helper to check for duplicate variable names across systems or within a single system
    3214             :   bool duplicateVariableCheck(const std::string & var_name,
    3215             :                               const libMesh::FEType & type,
    3216             :                               bool is_aux,
    3217             :                               const std::set<SubdomainID> * const active_subdomains);
    3218             : 
    3219             :   void computeUserObjectsInternal(const ExecFlagType & type, TheWarehouse::Query & query);
    3220             : 
    3221             : #ifdef MOOSE_KOKKOS_ENABLED
    3222             :   void computeKokkosUserObjectsInternal(const ExecFlagType & type, TheWarehouse::Query & query);
    3223             : #endif
    3224             : 
    3225             :   /// Verify that SECOND order mesh uses SECOND order displacements.
    3226             :   void checkDisplacementOrders();
    3227             : 
    3228             :   void checkUserObjects();
    3229             : 
    3230             :   /**
    3231             :    * Helper method for checking Material object dependency.
    3232             :    *
    3233             :    * @see checkProblemIntegrity
    3234             :    */
    3235             :   void checkDependMaterialsHelper(
    3236             :       const std::map<SubdomainID, std::vector<std::shared_ptr<MaterialBase>>> & materials_map);
    3237             : 
    3238             :   /// Verify that there are no element type/coordinate type conflicts
    3239             :   void checkCoordinateSystems();
    3240             : 
    3241             :   /**
    3242             :    * Call when it is possible that the needs for ghosted elements has changed.
    3243             :    * @param mortar_changed Whether an update of mortar data has been requested since the last
    3244             :    * EquationSystems (re)initialization
    3245             :    */
    3246             :   void reinitBecauseOfGhostingOrNewGeomObjects(bool mortar_changed = false);
    3247             : 
    3248             :   /**
    3249             :    * Helper for setting the "_subproblem" and "_sys" parameters in addObject() and
    3250             :    * in addUserObject().
    3251             :    *
    3252             :    * This is needed due to header includes/forward declaration issues
    3253             :    */
    3254             :   void addObjectParamsHelper(InputParameters & params,
    3255             :                              const std::string & object_name,
    3256             :                              const std::string & var_param_name = "variable");
    3257             : 
    3258             : #ifdef LIBMESH_ENABLE_AMR
    3259             :   Adaptivity _adaptivity;
    3260             :   unsigned int _cycles_completed;
    3261             : #endif
    3262             : 
    3263             :   /// Pointer to XFEM controller
    3264             :   std::shared_ptr<XFEMInterface> _xfem;
    3265             : 
    3266             :   // Displaced mesh /////
    3267             :   MooseMesh * _displaced_mesh;
    3268             :   std::shared_ptr<DisplacedProblem> _displaced_problem;
    3269             :   GeometricSearchData _geometric_search_data;
    3270             :   std::unique_ptr<MortarInterfaceWarehouse> _mortar_data;
    3271             : 
    3272             :   /// Whether to call DisplacedProblem::reinitElem when this->reinitElem is called
    3273             :   bool _reinit_displaced_elem;
    3274             :   /// Whether to call DisplacedProblem::reinitElemFace when this->reinitElemFace is called
    3275             :   bool _reinit_displaced_face;
    3276             :   /// Whether to call DisplacedProblem::reinitNeighbor when this->reinitNeighbor is called
    3277             :   bool _reinit_displaced_neighbor;
    3278             : 
    3279             :   /// whether input file has been written
    3280             :   bool _input_file_saved;
    3281             : 
    3282             :   /// Whether or not this system has any Dampers associated with it.
    3283             :   bool _has_dampers;
    3284             : 
    3285             :   /// Whether or not this system has any Constraints.
    3286             :   bool _has_constraints;
    3287             : 
    3288             :   /// If or not to resuse the base vector for matrix-free calculation
    3289             :   bool _snesmf_reuse_base;
    3290             : 
    3291             :   /// If or not skip 'exception and stop solve'
    3292             :   bool _skip_exception_check;
    3293             : 
    3294             :   /// If or not _snesmf_reuse_base is set by user
    3295             :   bool _snesmf_reuse_base_set_by_user;
    3296             : 
    3297             :   /// Whether nor not stateful materials have been initialized
    3298             :   bool _has_initialized_stateful;
    3299             : 
    3300             :   /// true if the Jacobian is constant
    3301             :   bool _const_jacobian;
    3302             : 
    3303             :   /// Indicates if the Jacobian was computed
    3304             :   bool _has_jacobian;
    3305             : 
    3306             :   /// Indicates that we need to compute variable values for previous Newton iteration
    3307             :   bool _needs_old_newton_iter;
    3308             : 
    3309             :   /// Indicates we need to save the previous NL iteration variable values
    3310             :   bool _previous_nl_solution_required;
    3311             :   /// Indicates we need to save the previous multiapp fixed-point iteration solver variable values
    3312             :   std::vector<bool> _previous_multiapp_fp_nl_solution_required;
    3313             :   /// Indicates we need to save the previous multiapp fixed-point iteration auxiliary variable values
    3314             :   bool _previous_multiapp_fp_aux_solution_required;
    3315             : 
    3316             :   /// Indicates if nonlocal coupling is required/exists
    3317             :   bool _has_nonlocal_coupling;
    3318             :   bool _calculate_jacobian_in_uo;
    3319             : 
    3320             :   std::vector<std::vector<const MooseVariableFEBase *>> _uo_jacobian_moose_vars;
    3321             : 
    3322             :   /// Whether there are active material properties on each thread
    3323             :   std::vector<unsigned char> _has_active_material_properties;
    3324             : 
    3325             :   std::vector<SolverParams> _solver_params;
    3326             : 
    3327             :   /// Determines whether and which subdomains are to be checked to ensure that they have an active kernel
    3328             :   CoverageCheckMode _kernel_coverage_check;
    3329             :   std::vector<SubdomainName> _kernel_coverage_blocks;
    3330             : 
    3331             :   /// whether to perform checking of boundary restricted nodal object variable dependencies,
    3332             :   /// e.g. whether the variable dependencies are defined on the selected boundaries
    3333             :   const bool _boundary_restricted_node_integrity_check;
    3334             : 
    3335             :   /// whether to perform checking of boundary restricted elemental object variable dependencies,
    3336             :   /// e.g. whether the variable dependencies are defined on the selected boundaries
    3337             :   const bool _boundary_restricted_elem_integrity_check;
    3338             : 
    3339             :   /// Determines whether and which subdomains are to be checked to ensure that they have an active material
    3340             :   CoverageCheckMode _material_coverage_check;
    3341             :   std::vector<SubdomainName> _material_coverage_blocks;
    3342             : 
    3343             :   /// Whether to check overlapping Dirichlet and Flux BCs and/or multiple DirichletBCs per sideset
    3344             :   bool _fv_bcs_integrity_check;
    3345             : 
    3346             :   /// Determines whether a check to verify material dependencies on every subdomain
    3347             :   const bool _material_dependency_check;
    3348             : 
    3349             :   /// Whether or not checking the state of uo/aux evaluation
    3350             :   const bool _uo_aux_state_check;
    3351             : 
    3352             : #ifndef NDEBUG
    3353             :   /// Whether to check the residual for NaN or Inf values
    3354             :   bool _check_residual_for_nans;
    3355             : #endif
    3356             : 
    3357             :   /// Maximum number of quadrature points used in the problem
    3358             :   unsigned int _max_qps;
    3359             : 
    3360             :   /// Maximum scalar variable order
    3361             :   libMesh::Order _max_scalar_order;
    3362             : 
    3363             :   /// Indicates whether or not this executioner has a time integrator (during setup)
    3364             :   bool _has_time_integrator;
    3365             : 
    3366             :   /// Whether or not an exception has occurred
    3367             :   bool _has_exception;
    3368             : 
    3369             :   /// Whether or not information about how many transfers have completed is printed
    3370             :   bool _parallel_barrier_messaging;
    3371             : 
    3372             :   /// Whether or not to be verbose during setup
    3373             :   MooseEnum _verbose_setup;
    3374             : 
    3375             :   /// Whether or not to be verbose with multiapps
    3376             :   bool _verbose_multiapps;
    3377             : 
    3378             :   /// Whether or not to be verbose on solution restoration post a failed time step
    3379             :   bool _verbose_restore;
    3380             : 
    3381             :   /// The error message to go with an exception
    3382             :   std::string _exception_message;
    3383             : 
    3384             :   /// Current execute_on flag
    3385             :   ExecFlagType _current_execute_on_flag;
    3386             : 
    3387             :   /// The control logic warehouse
    3388             :   ExecuteMooseObjectWarehouse<Control> _control_warehouse;
    3389             : 
    3390             :   /// PETSc option storage
    3391             :   Moose::PetscSupport::PetscOptions _petsc_options;
    3392             : #if !PETSC_RELEASE_LESS_THAN(3, 12, 0)
    3393             :   PetscOptions _petsc_option_data_base;
    3394             : #endif
    3395             : 
    3396             :   /// If or not PETSc options have been added to database
    3397             :   bool _is_petsc_options_inserted;
    3398             : 
    3399             :   std::shared_ptr<LineSearch> _line_search;
    3400             : 
    3401             :   std::unique_ptr<libMesh::ConstElemRange> _evaluable_local_elem_range;
    3402             :   std::unique_ptr<libMesh::ConstElemRange> _nl_evaluable_local_elem_range;
    3403             :   std::unique_ptr<libMesh::ConstElemRange> _aux_evaluable_local_elem_range;
    3404             : 
    3405             :   std::unique_ptr<libMesh::ConstElemRange> _current_algebraic_elem_range;
    3406             :   std::unique_ptr<libMesh::ConstNodeRange> _current_algebraic_node_range;
    3407             :   std::unique_ptr<ConstBndNodeRange> _current_algebraic_bnd_node_range;
    3408             : 
    3409             :   /// Automatic differentiaion (AD) flag which indicates whether any consumer has
    3410             :   /// requested an AD material property or whether any suppier has declared an AD material property
    3411             :   bool _using_ad_mat_props;
    3412             : 
    3413             :   // loop state during projection of initial conditions
    3414             :   unsigned short _current_ic_state;
    3415             : 
    3416             :   /// Whether to assemble matrices using hash tables instead of preallocating matrix memory. This
    3417             :   /// can be a good option if the sparsity pattern changes throughout the course of the simulation
    3418             :   const bool _use_hash_table_matrix_assembly;
    3419             : 
    3420             : private:
    3421             :   /**
    3422             :    * Handle exceptions. Note that the result of this call will be a thrown MooseException. The
    3423             :    * caller of this method must determine how to handle the thrown exception
    3424             :    */
    3425             :   void handleException(const std::string & calling_method);
    3426             : 
    3427             :   /**
    3428             :    * Helper for getting mortar objects corresponding to primary boundary ID, secondary boundary ID,
    3429             :    * and displaced parameters, given some initial set
    3430             :    */
    3431             :   std::vector<MortarUserObject *>
    3432             :   getMortarUserObjects(BoundaryID primary_boundary_id,
    3433             :                        BoundaryID secondary_boundary_id,
    3434             :                        bool displaced,
    3435             :                        const std::vector<MortarUserObject *> & mortar_uo_superset);
    3436             : 
    3437             :   /**
    3438             :    * Helper for getting mortar objects corresponding to primary boundary ID, secondary boundary ID,
    3439             :    * and displaced parameters from the entire active mortar user object set
    3440             :    */
    3441             :   std::vector<MortarUserObject *> getMortarUserObjects(BoundaryID primary_boundary_id,
    3442             :                                                        BoundaryID secondary_boundary_id,
    3443             :                                                        bool displaced);
    3444             : 
    3445             :   /**
    3446             :    * Determine what solver system the provided variable name lies in
    3447             :    * @param var_name The name of the variable we are doing solver system lookups for
    3448             :    * @param error_if_not_found Whether to error if the variable name isn't found in any of the
    3449             :    * solver systems
    3450             :    * @return A pair in which the first member indicates whether the variable was found in the
    3451             :    * solver systems and the second member indicates the solver system number in which the
    3452             :    * variable was found (or an invalid unsigned integer if not found)
    3453             :    */
    3454             :   virtual std::pair<bool, unsigned int>
    3455             :   determineSolverSystem(const std::string & var_name,
    3456             :                         bool error_if_not_found = false) const override;
    3457             : 
    3458             :   /**
    3459             :    * Checks if the variable of the initial condition is getting restarted and errors for specific
    3460             :    * cases
    3461             :    * @param ic_name The name of the initial condition
    3462             :    * @param var_name The name of the variable
    3463             :    */
    3464             :   void checkICRestartError(const std::string & ic_name,
    3465             :                            const std::string & name,
    3466             :                            const VariableName & var_name);
    3467             : 
    3468             :   /*
    3469             :    * Test if stateful property redistribution is expected to be
    3470             :    * necessary, and set it up if so.
    3471             :    */
    3472             :   void addAnyRedistributers();
    3473             : 
    3474             :   void updateMaxQps();
    3475             : 
    3476             :   void joinAndFinalize(TheWarehouse::Query query, bool isgen = false);
    3477             : 
    3478             : #ifdef MOOSE_KOKKOS_ENABLED
    3479             :   void kokkosJoinAndFinalize(const std::vector<Moose::Kokkos::UserObject *> & userobjs);
    3480             : #endif
    3481             : 
    3482             :   /**
    3483             :    * Reset state of this object in preparation for the next evaluation.
    3484             :    */
    3485             :   virtual void resetState();
    3486             : 
    3487             :   // Parameters handling Jacobian sparsity pattern behavior
    3488             :   /// Whether to error when the Jacobian is re-allocated, usually because the sparsity pattern changed
    3489             :   bool _error_on_jacobian_nonzero_reallocation;
    3490             :   /// Whether we should restore the original nonzero pattern for every Jacobian evaluation. This
    3491             :   /// option is useful if the sparsity pattern is constantly changing and you are using hash table
    3492             :   /// assembly or if you wish to continually restore the matrix to the originally preallocated
    3493             :   /// sparsity pattern computed by relationship managers.
    3494             :   const bool _restore_original_nonzero_pattern;
    3495             :   /// Whether to ignore zeros in the Jacobian, thereby leading to a reduced sparsity pattern
    3496             :   bool _ignore_zeros_in_jacobian;
    3497             :   /// Whether to preserve the system matrix / Jacobian sparsity pattern, using 0-valued entries usually
    3498             :   bool _preserve_matrix_sparsity_pattern;
    3499             : 
    3500             :   const bool _force_restart;
    3501             :   const bool _allow_ics_during_restart;
    3502             :   const bool _skip_nl_system_check;
    3503             :   bool _fail_next_system_convergence_check;
    3504             :   const bool _allow_invalid_solution;
    3505             :   const bool _show_invalid_solution_console;
    3506             :   const bool & _immediately_print_invalid_solution;
    3507             : 
    3508             :   /// At or beyond initialSteup stage
    3509             :   bool _started_initial_setup;
    3510             : 
    3511             :   /// Whether the problem has dgkernels or interface kernels
    3512             :   bool _has_internal_edge_residual_objects;
    3513             : 
    3514             :   /// Whether solution time derivative needs to be stored
    3515             :   bool _u_dot_requested;
    3516             : 
    3517             :   /// Whether solution second time derivative needs to be stored
    3518             :   bool _u_dotdot_requested;
    3519             : 
    3520             :   /// Whether old solution time derivative needs to be stored
    3521             :   bool _u_dot_old_requested;
    3522             : 
    3523             :   /// Whether old solution second time derivative needs to be stored
    3524             :   bool _u_dotdot_old_requested;
    3525             : 
    3526             :   friend class AuxiliarySystem;
    3527             :   friend class NonlinearSystemBase;
    3528             :   friend class MooseEigenSystem;
    3529             :   friend class Resurrector;
    3530             :   friend class Restartable;
    3531             :   friend class DisplacedProblem;
    3532             : 
    3533             :   /// Whether the simulation requires mortar coupling
    3534             :   bool _has_mortar;
    3535             : 
    3536             :   /// Number of steps in a grid sequence
    3537             :   unsigned int _num_grid_steps;
    3538             : 
    3539             :   /// Whether to trust the user coupling matrix no matter what. See
    3540             :   /// https://github.com/idaholab/moose/issues/16395 for detailed background
    3541             :   bool _trust_user_coupling_matrix = false;
    3542             : 
    3543             :   /// Flag used to indicate whether we are computing the scaling Jacobian
    3544             :   bool _computing_scaling_jacobian = false;
    3545             : 
    3546             :   /// Flag used to indicate whether we are computing the scaling Residual
    3547             :   bool _computing_scaling_residual = false;
    3548             : 
    3549             :   /// Flag used to indicate whether we are doing the uo/aux state check in execute
    3550             :   bool _checking_uo_aux_state = false;
    3551             : 
    3552             :   /// When to print the execution of loops
    3553             :   ExecFlagEnum _print_execution_on;
    3554             : 
    3555             :   /// Whether to identify variable groups in nonlinear systems. This affects dof ordering
    3556             :   const bool _identify_variable_groups_in_nl;
    3557             : 
    3558             :   /// A data member to store the residual vector tag(s) passed into \p computeResidualTag(s). This
    3559             :   /// data member will be used when APIs like \p cacheResidual, \p addCachedResiduals, etc. are
    3560             :   /// called
    3561             :   std::vector<VectorTag> _current_residual_vector_tags;
    3562             : 
    3563             :   /// Whether we are performing some calculations with finite volume discretizations
    3564             :   bool _have_fv = false;
    3565             : 
    3566             :   /// If we catch an exception during residual/Jacobian evaluaton for which we don't have specific
    3567             :   /// handling, immediately error instead of allowing the time step to be cut
    3568             :   const bool _regard_general_exceptions_as_errors;
    3569             : 
    3570             :   /// nonlocal coupling matrix
    3571             :   std::vector<libMesh::CouplingMatrix> _nonlocal_cm;
    3572             : 
    3573             :   /// nonlocal coupling requirement flag
    3574             :   bool _requires_nonlocal_coupling;
    3575             : 
    3576             : #ifdef MOOSE_KOKKOS_ENABLED
    3577             :   /// Whether we have any Kokkos objects
    3578             :   bool _has_kokkos_objects = false;
    3579             : 
    3580             :   /// Whether we have any Kokkos residual objects
    3581             :   bool _has_kokkos_residual_objects = false;
    3582             : 
    3583             :   /// Container holding hooks for functions that need to be called after Kokkos mesh initialization
    3584             :   std::vector<std::function<void()>> _kokkos_mesh_initialization_hooks;
    3585             : #endif
    3586             : 
    3587             :   friend void Moose::PetscSupport::setSinglePetscOption(const std::string & name,
    3588             :                                                         const std::string & value,
    3589             :                                                         FEProblemBase * const problem);
    3590             : };
    3591             : 
    3592             : using FVProblemBase = FEProblemBase;
    3593             : 
    3594             : template <typename T>
    3595             : void
    3596        1600 : FEProblemBase::allowOutput(bool state)
    3597             : {
    3598        1600 :   _app.getOutputWarehouse().allowOutput<T>(state);
    3599        1600 : }
    3600             : 
    3601             : template <typename T>
    3602             : void
    3603         295 : FEProblemBase::objectSetupHelper(const std::vector<T *> & objects, const ExecFlagType & exec_flag)
    3604             : {
    3605         295 :   if (exec_flag == EXEC_INITIAL)
    3606             :   {
    3607         590 :     for (T * obj_ptr : objects)
    3608         295 :       obj_ptr->initialSetup();
    3609             :   }
    3610             : 
    3611           0 :   else if (exec_flag == EXEC_TIMESTEP_BEGIN)
    3612             :   {
    3613           0 :     for (const auto obj_ptr : objects)
    3614           0 :       obj_ptr->timestepSetup();
    3615             :   }
    3616           0 :   else if (exec_flag == EXEC_SUBDOMAIN)
    3617             :   {
    3618           0 :     for (const auto obj_ptr : objects)
    3619           0 :       obj_ptr->subdomainSetup();
    3620             :   }
    3621             : 
    3622           0 :   else if (exec_flag == EXEC_NONLINEAR)
    3623             :   {
    3624           0 :     for (const auto obj_ptr : objects)
    3625           0 :       obj_ptr->jacobianSetup();
    3626             :   }
    3627             : 
    3628           0 :   else if (exec_flag == EXEC_LINEAR)
    3629             :   {
    3630           0 :     for (const auto obj_ptr : objects)
    3631           0 :       obj_ptr->residualSetup();
    3632             :   }
    3633         295 : }
    3634             : 
    3635             : template <typename T>
    3636             : void
    3637         295 : FEProblemBase::objectExecuteHelper(const std::vector<T *> & objects)
    3638             : {
    3639         566 :   for (T * obj_ptr : objects)
    3640         295 :     obj_ptr->execute();
    3641         271 : }
    3642             : 
    3643             : template <typename T>
    3644             : std::vector<std::shared_ptr<T>>
    3645       61862 : FEProblemBase::addObject(const std::string & type,
    3646             :                          const std::string & name,
    3647             :                          InputParameters & parameters,
    3648             :                          const bool threaded,
    3649             :                          const std::string & var_param_name)
    3650             : {
    3651             :   parallel_object_only();
    3652             : 
    3653       61862 :   logAdd(MooseUtils::prettyCppType<T>(), name, type, parameters);
    3654             :   // Add the _subproblem and _sys parameters depending on use_displaced_mesh
    3655       61862 :   addObjectParamsHelper(parameters, name, var_param_name);
    3656             : 
    3657       61862 :   const auto n_threads = threaded ? libMesh::n_threads() : 1;
    3658       61862 :   std::vector<std::shared_ptr<T>> objects(n_threads);
    3659      124570 :   for (THREAD_ID tid = 0; tid < n_threads; ++tid)
    3660             :   {
    3661       62765 :     std::shared_ptr<T> obj = _factory.create<T>(type, name, parameters, tid);
    3662       62708 :     theWarehouse().add(obj);
    3663       62708 :     objects[tid] = std::move(obj);
    3664             :   }
    3665             : 
    3666       61805 :   return objects;
    3667          24 : }
    3668             : 
    3669             : inline NonlinearSystemBase &
    3670     5012630 : FEProblemBase::getNonlinearSystemBase(const unsigned int sys_num)
    3671             : {
    3672             :   mooseAssert(sys_num < _nl.size(), "System number greater than the number of nonlinear systems");
    3673     5012630 :   return *_nl[sys_num];
    3674             : }
    3675             : 
    3676             : inline const NonlinearSystemBase &
    3677         499 : FEProblemBase::getNonlinearSystemBase(const unsigned int sys_num) const
    3678             : {
    3679             :   mooseAssert(sys_num < _nl.size(), "System number greater than the number of nonlinear systems");
    3680         499 :   return *_nl[sys_num];
    3681             : }
    3682             : 
    3683             : inline SolverSystem &
    3684     4577168 : FEProblemBase::getSolverSystem(const unsigned int sys_num)
    3685             : {
    3686             :   mooseAssert(sys_num < _solver_systems.size(),
    3687             :               "System number greater than the number of solver systems");
    3688     4577168 :   return *_solver_systems[sys_num];
    3689             : }
    3690             : 
    3691             : inline const SolverSystem &
    3692             : FEProblemBase::getSolverSystem(const unsigned int sys_num) const
    3693             : {
    3694             :   mooseAssert(sys_num < _solver_systems.size(),
    3695             :               "System number greater than the number of solver systems");
    3696             :   return *_solver_systems[sys_num];
    3697             : }
    3698             : 
    3699             : inline NonlinearSystemBase &
    3700     9037467 : FEProblemBase::currentNonlinearSystem()
    3701             : {
    3702             :   mooseAssert(_current_nl_sys, "The nonlinear system is not currently set");
    3703     9037467 :   return *_current_nl_sys;
    3704             : }
    3705             : 
    3706             : inline const NonlinearSystemBase &
    3707   476048090 : FEProblemBase::currentNonlinearSystem() const
    3708             : {
    3709             :   mooseAssert(_current_nl_sys, "The nonlinear system is not currently set");
    3710   476048090 :   return *_current_nl_sys;
    3711             : }
    3712             : 
    3713             : inline LinearSystem &
    3714       80725 : FEProblemBase::getLinearSystem(const unsigned int sys_num)
    3715             : {
    3716             :   mooseAssert(sys_num < _linear_systems.size(),
    3717             :               "System number greater than the number of linear systems");
    3718       80725 :   return *_linear_systems[sys_num];
    3719             : }
    3720             : 
    3721             : inline const LinearSystem &
    3722             : FEProblemBase::getLinearSystem(const unsigned int sys_num) const
    3723             : {
    3724             :   mooseAssert(sys_num < _linear_systems.size(),
    3725             :               "System number greater than the number of linear systems");
    3726             :   return *_linear_systems[sys_num];
    3727             : }
    3728             : 
    3729             : inline LinearSystem &
    3730        4635 : FEProblemBase::currentLinearSystem()
    3731             : {
    3732             :   mooseAssert(_current_linear_sys, "The linear system is not currently set");
    3733        4635 :   return *_current_linear_sys;
    3734             : }
    3735             : 
    3736             : inline const LinearSystem &
    3737           0 : FEProblemBase::currentLinearSystem() const
    3738             : {
    3739             :   mooseAssert(_current_linear_sys, "The linear system is not currently set");
    3740           0 :   return *_current_linear_sys;
    3741             : }
    3742             : 
    3743             : inline Assembly &
    3744   586352670 : FEProblemBase::assembly(const THREAD_ID tid, const unsigned int sys_num)
    3745             : {
    3746             :   mooseAssert(tid < _assembly.size(), "Assembly objects not initialized");
    3747             :   mooseAssert(sys_num < _assembly[tid].size(),
    3748             :               "System number larger than the assembly container size");
    3749   586352670 :   return *_assembly[tid][sys_num];
    3750             : }
    3751             : 
    3752             : inline const Assembly &
    3753      528283 : FEProblemBase::assembly(const THREAD_ID tid, const unsigned int sys_num) const
    3754             : {
    3755             :   mooseAssert(tid < _assembly.size(), "Assembly objects not initialized");
    3756             :   mooseAssert(sys_num < _assembly[tid].size(),
    3757             :               "System number larger than the assembly container size");
    3758      528283 :   return *_assembly[tid][sys_num];
    3759             : }
    3760             : 
    3761             : inline const libMesh::CouplingMatrix *
    3762        2537 : FEProblemBase::couplingMatrix(const unsigned int i) const
    3763             : {
    3764        2537 :   return _cm[i].get();
    3765             : }
    3766             : 
    3767             : inline void
    3768             : FEProblemBase::fvBCsIntegrityCheck(const bool fv_bcs_integrity_check)
    3769             : {
    3770             :   if (!_fv_bcs_integrity_check)
    3771             :     // the user has requested that we don't check integrity so we will honor that
    3772             :     return;
    3773             : 
    3774             :   _fv_bcs_integrity_check = fv_bcs_integrity_check;
    3775             : }
    3776             : 
    3777             : inline const std::vector<VectorTag> &
    3778   391957095 : FEProblemBase::currentResidualVectorTags() const
    3779             : {
    3780   391957095 :   return _current_residual_vector_tags;
    3781             : }
    3782             : 
    3783             : inline void
    3784     3046059 : FEProblemBase::setCurrentResidualVectorTags(const std::set<TagID> & vector_tags)
    3785             : {
    3786     3046059 :   _current_residual_vector_tags = getVectorTags(vector_tags);
    3787     3046059 : }
    3788             : 
    3789             : inline void
    3790     3525545 : FEProblemBase::clearCurrentResidualVectorTags()
    3791             : {
    3792     3525545 :   _current_residual_vector_tags.clear();
    3793     3525545 : }
    3794             : 
    3795             : #ifdef MOOSE_KOKKOS_ENABLED
    3796             : template <typename T>
    3797             : T &
    3798         153 : FEProblemBase::getKokkosFunction(const std::string & name)
    3799             : {
    3800         153 :   if (!hasKokkosFunction(name))
    3801             :   {
    3802             :     // If we didn't find a function, it might be a default function, attempt to construct one now
    3803           9 :     std::istringstream ss(name);
    3804             :     Real real_value;
    3805             : 
    3806             :     // First see if it's just a constant. If it is, build a ConstantFunction
    3807           9 :     if (ss >> real_value && ss.eof())
    3808             :     {
    3809          18 :       InputParameters params = _factory.getValidParams("KokkosConstantFunction");
    3810          18 :       params.set<Real>("value") = real_value;
    3811          27 :       addKokkosFunction("KokkosConstantFunction", ss.str(), params);
    3812           9 :     }
    3813             : 
    3814             :     // Try once more
    3815           9 :     if (!hasKokkosFunction(name))
    3816           0 :       mooseError("Unable to find Kokkos function '" + name, "'");
    3817           9 :   }
    3818             : 
    3819         153 :   auto * const ret = dynamic_cast<T *>(_kokkos_functions.getActiveObject(name).get());
    3820         153 :   if (!ret)
    3821           0 :     mooseError("No Kokkos function named '", name, "' of appropriate type");
    3822             : 
    3823         153 :   return *ret;
    3824             : }
    3825             : #endif

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