LCOV - code coverage report
Current view: top level - include/mesh - MooseMesh.h (source / functions) Hit Total Coverage
Test: idaholab/moose framework: 2bf808 Lines: 101 105 96.2 %
Date: 2025-07-17 01:28:37 Functions: 54 55 98.2 %
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             : #include "MooseObject.h"
      13             : #include "BndNode.h"
      14             : #include "BndElement.h"
      15             : #include "Restartable.h"
      16             : #include "MooseEnum.h"
      17             : #include "PerfGraphInterface.h"
      18             : #include "MooseHashing.h"
      19             : #include "MooseApp.h"
      20             : #include "FaceInfo.h"
      21             : #include "ElemInfo.h"
      22             : 
      23             : #include <memory> //std::unique_ptr
      24             : #include <unordered_map>
      25             : #include <unordered_set>
      26             : 
      27             : // libMesh
      28             : #include "libmesh/elem_range.h"
      29             : #include "libmesh/mesh_base.h"
      30             : #include "libmesh/replicated_mesh.h"
      31             : #include "libmesh/distributed_mesh.h"
      32             : #include "libmesh/node_range.h"
      33             : #include "libmesh/nanoflann.hpp"
      34             : #include "libmesh/vector_value.h"
      35             : #include "libmesh/point.h"
      36             : #include "libmesh/partitioner.h"
      37             : 
      38             : class Assembly;
      39             : class RelationshipManager;
      40             : class MooseVariableBase;
      41             : class MooseAppCoordTransform;
      42             : class MooseUnits;
      43             : 
      44             : // libMesh forward declarations
      45             : namespace libMesh
      46             : {
      47             : class ExodusII_IO;
      48             : class QBase;
      49             : class PeriodicBoundaries;
      50             : class Partitioner;
      51             : class GhostingFunctor;
      52             : class BoundingBox;
      53             : }
      54             : // Useful typedefs
      55             : typedef libMesh::StoredRange<std::set<Node *>::iterator, Node *> SemiLocalNodeRange;
      56             : 
      57             : // List of supported geometrical elements
      58             : const std::string LIST_GEOM_ELEM = "EDGE EDGE2 EDGE3 EDGE4 "
      59             :                                    "QUAD QUAD4 QUAD8 QUAD9 "
      60             :                                    "TRI TRI3 TRI6 TRI7 "
      61             :                                    "HEX HEX8 HEX20 HEX27 "
      62             :                                    "TET TET4 TET10 TET14 "
      63             :                                    "PRISM PRISM6 PRISM15 PRISM18 "
      64             :                                    "PYRAMID PYRAMID5 PYRAMID13 PYRAMID14";
      65             : 
      66             : /**
      67             :  * Helper object for holding qp mapping info.
      68             :  */
      69             : class QpMap
      70             : {
      71             : public:
      72       59944 :   QpMap() : _distance(std::numeric_limits<Real>::max()) {}
      73             : 
      74             :   /// The qp to map from
      75             :   unsigned int _from;
      76             : 
      77             :   /// The qp to map to
      78             :   unsigned int _to;
      79             : 
      80             :   /// The distance between them
      81             :   Real _distance;
      82             : };
      83             : 
      84             : /**
      85             :  * MooseMesh wraps a libMesh::Mesh object and enhances its capabilities
      86             :  * by caching additional data and storing more state.
      87             :  */
      88             : class MooseMesh : public MooseObject, public Restartable, public PerfGraphInterface
      89             : {
      90             : public:
      91             :   /**
      92             :    * Typical "Moose-style" constructor and copy constructor.
      93             :    */
      94             :   static InputParameters validParams();
      95             : 
      96             :   MooseMesh(const InputParameters & parameters);
      97             :   MooseMesh(const MooseMesh & other_mesh);
      98             :   MooseMesh() = delete;
      99             :   MooseMesh & operator=(const MooseMesh & other_mesh) = delete;
     100             : 
     101             :   virtual ~MooseMesh();
     102             : 
     103             :   // The type of libMesh::MeshBase that will be used
     104             :   enum class ParallelType
     105             :   {
     106             :     DEFAULT,
     107             :     REPLICATED,
     108             :     DISTRIBUTED
     109             :   };
     110             : 
     111             :   /**
     112             :    * Clone method.  Allocates memory you are responsible to clean up.
     113             :    */
     114             :   virtual MooseMesh & clone() const;
     115             : 
     116             :   /**
     117             :    * A safer version of the clone() method that hands back an
     118             :    * allocated object wrapped in a smart pointer. This makes it much
     119             :    * less likely that the caller will leak the memory in question.
     120             :    */
     121             :   virtual std::unique_ptr<MooseMesh> safeClone() const = 0;
     122             : 
     123             :   /**
     124             :    * Determine whether to use a distributed mesh. Should be called during construction
     125             :    */
     126             :   void determineUseDistributedMesh();
     127             : 
     128             :   /**
     129             :    * Method to construct a libMesh::MeshBase object that is normally set and used by the MooseMesh
     130             :    * object during the "init()" phase. If the parameter \p dim is not
     131             :    * provided, then its value will be taken from the input file mesh block.
     132             :    */
     133             :   std::unique_ptr<MeshBase> buildMeshBaseObject(unsigned int dim = libMesh::invalid_uint);
     134             : 
     135             :   /**
     136             :    * Shortcut method to construct a unique pointer to a libMesh mesh instance. The created
     137             :    * derived-from-MeshBase object will have its \p allow_remote_element_removal flag set to whatever
     138             :    * our value is. We will also attach any geometric \p RelationshipManagers that have been
     139             :    * requested by our simulation objects to the \p MeshBase object. If the parameter \p dim is not
     140             :    * provided, then its value will be taken from the input file mesh block.
     141             :    */
     142             :   template <typename T>
     143             :   std::unique_ptr<T> buildTypedMesh(unsigned int dim = libMesh::invalid_uint);
     144             : 
     145             :   /**
     146             :    * Method to set the mesh_base object. If this method is NOT called prior to calling init(), a
     147             :    * MeshBase object will be automatically constructed and set.
     148             :    */
     149             :   void setMeshBase(std::unique_ptr<MeshBase> mesh_base);
     150             : 
     151             :   /// returns MooseMesh partitioning options so other classes can use it
     152             :   static MooseEnum partitioning();
     153             : 
     154             :   /// returns MooseMesh element type options
     155             :   static MooseEnum elemTypes();
     156             : 
     157             :   /**
     158             :    * Initialize the Mesh object.  Most of the time this will turn around
     159             :    * and call build_mesh so the child class can build the Mesh object.
     160             :    *
     161             :    * However, during Recovery this will read the CPA file...
     162             :    */
     163             :   virtual void init();
     164             : 
     165             :   /**
     166             :    * Must be overridden by child classes.
     167             :    *
     168             :    * This is where the Mesh object is actually created and filled in.
     169             :    */
     170             :   virtual void buildMesh() = 0;
     171             : 
     172             :   /**
     173             :    * Returns MeshBase::mesh_dimension(), (not
     174             :    * MeshBase::spatial_dimension()!) of the underlying libMesh mesh
     175             :    * object.
     176             :    */
     177             :   virtual unsigned int dimension() const;
     178             : 
     179             :   /**
     180             :    * Returns MeshBase::spatial_dimension
     181             :    */
     182       50505 :   virtual unsigned int spatialDimension() const { return _mesh->spatial_dimension(); }
     183             : 
     184             :   /**
     185             :    * Returns the effective spatial dimension determined by the coordinates actually used by the
     186             :    * mesh. This means that a 1D mesh that has non-zero z or y coordinates is actually a 2D or 3D
     187             :    * mesh, respectively. Likewise a 2D mesh that has non-zero z coordinates is actually 3D mesh.
     188             :    */
     189             :   virtual unsigned int effectiveSpatialDimension() const;
     190             : 
     191             :   /**
     192             :    * Returns the maximum element dimension on the given blocks
     193             :    */
     194             :   unsigned int getBlocksMaxDimension(const std::vector<SubdomainName> & blocks) const;
     195             : 
     196             :   /**
     197             :    * Returns a vector of boundary IDs for the requested element on the
     198             :    * requested side.
     199             :    */
     200             :   std::vector<BoundaryID> getBoundaryIDs(const Elem * const elem,
     201             :                                          const unsigned short int side) const;
     202             : 
     203             :   /**
     204             :    * Returns a const pointer to a lower dimensional element that
     205             :    * corresponds to a side of a higher dimensional element. This
     206             :    * relationship is established through an internal_parent; if there is
     207             :    * no lowerDElem, nullptr is returned.
     208             :    */
     209             :   const Elem * getLowerDElem(const Elem *, unsigned short int) const;
     210             : 
     211             :   /**
     212             :    * Returns the local side ID of the interior parent aligned with the lower dimensional element.
     213             :    */
     214             :   unsigned int getHigherDSide(const Elem * elem) const;
     215             : 
     216             :   /**
     217             :    * Returns a const reference to a set of all user-specified
     218             :    * boundary IDs.  On a distributed mesh this will *only* include
     219             :    * boundary IDs which exist on local or ghosted elements; a copy and
     220             :    * a call to _communicator.set_union() will be necessary to get the
     221             :    * global ID set.
     222             :    */
     223             :   const std::set<BoundaryID> & getBoundaryIDs() const;
     224             : 
     225             :   /**
     226             :    * Calls BoundaryInfo::build_node_list()/build_side_list() and *makes separate copies* of
     227             :    * Nodes/Elems in those lists.
     228             :    *
     229             :    * Allocates memory which is cleaned up in the freeBndNodes()/freeBndElems() functions.
     230             :    */
     231             :   void buildNodeList();
     232             :   void buildBndElemList();
     233             : 
     234             :   /**
     235             :    * If not already created, creates a map from every node to all
     236             :    * elements to which they are connected.
     237             :    */
     238             :   const std::map<dof_id_type, std::vector<dof_id_type>> & nodeToElemMap();
     239             : 
     240             :   /**
     241             :    * If not already created, creates a map from every node to all
     242             :    * _active_ _semilocal_ elements to which they are connected.
     243             :    * Semilocal elements include local elements and elements that share at least
     244             :    * one node with a local element.
     245             :    * \note Extra ghosted elements are not included in this map!
     246             :    */
     247             :   const std::map<dof_id_type, std::vector<dof_id_type>> & nodeToActiveSemilocalElemMap();
     248             : 
     249             :   /**
     250             :    * These structs are required so that the bndNodes{Begin,End} and
     251             :    * bndElems{Begin,End} functions work...
     252             :    */
     253             :   struct bnd_node_iterator;
     254             :   struct const_bnd_node_iterator;
     255             : 
     256             :   struct bnd_elem_iterator;
     257             :   struct const_bnd_elem_iterator;
     258             : 
     259             :   /**
     260             :    * Return iterators to the beginning/end of the boundary nodes list.
     261             :    */
     262             :   virtual bnd_node_iterator bndNodesBegin();
     263             :   virtual bnd_node_iterator bndNodesEnd();
     264             : 
     265             :   /**
     266             :    * Return iterators to the beginning/end of the boundary elements list.
     267             :    */
     268             :   virtual bnd_elem_iterator bndElemsBegin();
     269             :   virtual bnd_elem_iterator bndElemsEnd();
     270             : 
     271             :   /**
     272             :    * Calls BoundaryInfo::build_node_list_from_side_list().
     273             :    */
     274             :   void buildNodeListFromSideList();
     275             : 
     276             :   /**
     277             :    * Calls BoundaryInfo::build_side_list().
     278             :    * Fills in the three passed vectors with list logical (element, side, id) tuples.
     279             :    * This function will eventually be deprecated in favor of the one below, which
     280             :    * returns a single std::vector of (elem-id, side-id, bc-id) tuples instead.
     281             :    */
     282             :   void buildSideList(std::vector<dof_id_type> & el,
     283             :                      std::vector<unsigned short int> & sl,
     284             :                      std::vector<boundary_id_type> & il);
     285             :   /**
     286             :    * As above, but uses the non-deprecated std::tuple interface.
     287             :    */
     288             :   std::vector<std::tuple<dof_id_type, unsigned short int, boundary_id_type>> buildSideList();
     289             : 
     290             :   /**
     291             :    * Calls BoundaryInfo::build_active_side_list
     292             :    * @return A container of active (element, side, id) tuples.
     293             :    */
     294             :   std::vector<std::tuple<dof_id_type, unsigned short int, boundary_id_type>>
     295             :   buildActiveSideList() const;
     296             : 
     297             :   /**
     298             :    * Calls BoundaryInfo::side_with_boundary_id().
     299             :    */
     300             :   unsigned int sideWithBoundaryID(const Elem * const elem, const BoundaryID boundary_id) const;
     301             : 
     302             :   /**
     303             :    * Calls local_nodes_begin/end() on the underlying libMesh mesh object.
     304             :    */
     305             :   MeshBase::node_iterator localNodesBegin();
     306             :   MeshBase::node_iterator localNodesEnd();
     307             :   MeshBase::const_node_iterator localNodesBegin() const;
     308             :   MeshBase::const_node_iterator localNodesEnd() const;
     309             : 
     310             :   /**
     311             :    * Calls active_local_nodes_begin/end() on the underlying libMesh mesh object.
     312             :    */
     313             :   MeshBase::element_iterator activeLocalElementsBegin();
     314             :   const MeshBase::element_iterator activeLocalElementsEnd();
     315             :   MeshBase::const_element_iterator activeLocalElementsBegin() const;
     316             :   const MeshBase::const_element_iterator activeLocalElementsEnd() const;
     317             : 
     318             :   /**
     319             :    * Calls n_nodes/elem() on the underlying libMesh mesh object.
     320             :    */
     321             :   virtual dof_id_type nNodes() const;
     322             :   virtual dof_id_type nElem() const;
     323             : 
     324       24628 :   virtual dof_id_type nLocalNodes() const { return _mesh->n_local_nodes(); }
     325       50842 :   virtual dof_id_type nActiveElem() const { return _mesh->n_active_elem(); }
     326       24628 :   virtual dof_id_type nActiveLocalElem() const { return _mesh->n_active_local_elem(); }
     327       50505 :   virtual SubdomainID nSubdomains() const { return _mesh->n_subdomains(); }
     328       24454 :   virtual unsigned int nPartitions() const { return _mesh->n_partitions(); }
     329       24454 :   virtual bool skipPartitioning() const { return _mesh->skip_partitioning(); }
     330             :   virtual bool skipNoncriticalPartitioning() const;
     331             : 
     332             :   /**
     333             :    * Calls max_node/elem_id() on the underlying libMesh mesh object.
     334             :    * This may be larger than n_nodes/elem() in cases where the id
     335             :    * numbering is not contiguous.
     336             :    */
     337             :   virtual dof_id_type maxNodeId() const;
     338             :   virtual dof_id_type maxElemId() const;
     339             : 
     340             :   /**
     341             :    * Various accessors (pointers/references) for Node "i".
     342             :    *
     343             :    * If the requested node is a remote node on a distributed mesh,
     344             :    * only the query accessors are valid to call, and they return NULL.
     345             :    */
     346             :   virtual const Node & node(const dof_id_type i) const;
     347             :   virtual Node & node(const dof_id_type i);
     348             :   virtual const Node & nodeRef(const dof_id_type i) const;
     349             :   virtual Node & nodeRef(const dof_id_type i);
     350             :   virtual const Node * nodePtr(const dof_id_type i) const;
     351             :   virtual Node * nodePtr(const dof_id_type i);
     352             :   virtual const Node * queryNodePtr(const dof_id_type i) const;
     353             :   virtual Node * queryNodePtr(const dof_id_type i);
     354             : 
     355             :   /**
     356             :    * Various accessors (pointers/references) for Elem "i".
     357             :    *
     358             :    * If the requested elem is a remote element on a distributed mesh,
     359             :    * only the query accessors are valid to call, and they return NULL.
     360             :    */
     361             :   virtual Elem * elem(const dof_id_type i);
     362             :   virtual const Elem * elem(const dof_id_type i) const;
     363             :   virtual Elem * elemPtr(const dof_id_type i);
     364             :   virtual const Elem * elemPtr(const dof_id_type i) const;
     365             :   virtual Elem * queryElemPtr(const dof_id_type i);
     366             :   virtual const Elem * queryElemPtr(const dof_id_type i) const;
     367             : 
     368             :   /**
     369             :    * Setter/getter for whether the mesh is prepared
     370             :    */
     371             :   bool prepared() const;
     372             :   virtual void prepared(bool state);
     373             : 
     374             :   /**
     375             :    * If this method is called, we will call libMesh's prepare_for_use method when we
     376             :    * call Moose's prepare method. This should only be set when the mesh structure is changed
     377             :    * by MeshGenerators (i.e. Element deletion).
     378             :    */
     379             :   void needsPrepareForUse();
     380             : 
     381             :   /**
     382             :    * Declares that the MooseMesh has changed, invalidates cached data
     383             :    * and rebuilds caches.  Sets a flag so that clients of the
     384             :    * MooseMesh also know when it has changed.
     385             :    */
     386             :   void meshChanged();
     387             : 
     388             :   /**
     389             :    * Declares a callback function that is executed at the conclusion
     390             :    * of meshChanged(). Ther user can implement actions required after
     391             :    * changing the mesh here.
     392             :    **/
     393             :   virtual void onMeshChanged();
     394             : 
     395             :   /**
     396             :    * Cache information about what elements were refined and coarsened in the previous step.
     397             :    */
     398             :   void cacheChangedLists();
     399             : 
     400             :   /**
     401             :    * Return a range that is suitable for threaded execution over elements that were just refined.
     402             :    *
     403             :    * @return The _Parent_ elements that are now set to be INACTIVE.  Their _children_ are the new
     404             :    * elements.
     405             :    */
     406             :   ConstElemPointerRange * refinedElementRange() const;
     407             : 
     408             :   /**
     409             :    * Return a range that is suitable for threaded execution over elements that were just coarsened.
     410             :    * Note that these are the _Parent_ elements that are now set to be INACTIVE.  Their _children_
     411             :    * are the elements that were just removed.  Use coarsenedElementChildren() to get the element
     412             :    * IDs for the children that were just removed for a particular parent element.
     413             :    */
     414             :   ConstElemPointerRange * coarsenedElementRange() const;
     415             : 
     416             :   /**
     417             :    * Get the newly removed children element ids for an element that was just coarsened.
     418             :    *
     419             :    * @param elem Pointer to the parent element that was coarsened to.
     420             :    * @return The child element ids in Elem::child() order.
     421             :    */
     422             :   const std::vector<const Elem *> & coarsenedElementChildren(const Elem * elem) const;
     423             : 
     424             :   /**
     425             :    * Clears the "semi-local" node list and rebuilds it.  Semi-local nodes
     426             :    * consist of all nodes that belong to local and ghost elements.
     427             :    */
     428             :   void updateActiveSemiLocalNodeRange(std::set<dof_id_type> & ghosted_elems);
     429             : 
     430             :   /**
     431             :    * Returns true if the node is semi-local
     432             :    * @param node Node pointer
     433             :    * @return true is the node is semi-local, false otherwise
     434             :    */
     435             :   bool isSemiLocal(Node * const node) const;
     436             : 
     437             :   ///@{
     438             :   /**
     439             :    * Return pointers to range objects for various types of ranges
     440             :    * (local nodes, boundary elems, etc.).
     441             :    */
     442             :   libMesh::ConstElemRange * getActiveLocalElementRange();
     443             :   libMesh::NodeRange * getActiveNodeRange();
     444             :   SemiLocalNodeRange * getActiveSemiLocalNodeRange() const;
     445             :   libMesh::ConstNodeRange * getLocalNodeRange();
     446             :   libMesh::StoredRange<MooseMesh::const_bnd_node_iterator, const BndNode *> *
     447             :   getBoundaryNodeRange();
     448             :   libMesh::StoredRange<MooseMesh::const_bnd_elem_iterator, const BndElement *> *
     449             :   getBoundaryElementRange();
     450             :   ///@}
     451             : 
     452             :   /**
     453             :    * Returns a map of boundaries to ids of elements on the boundary.
     454             :    */
     455             :   const std::unordered_map<boundary_id_type, std::unordered_set<dof_id_type>> &
     456             :   getBoundariesToElems() const;
     457             : 
     458             :   /**
     459             :    * Returns a map of boundaries to ids of elements on the boundary.
     460             :    */
     461             :   const std::unordered_map<boundary_id_type, std::unordered_set<dof_id_type>> &
     462             :   getBoundariesToActiveSemiLocalElemIds() const;
     463             : 
     464             :   /**
     465             :    * Return all ids of elements which have a side which is part of a sideset.
     466             :    * Note that boundaries are sided.
     467             :    * @param bid the id of the sideset of interest
     468             :    */
     469             :   std::unordered_set<dof_id_type> getBoundaryActiveSemiLocalElemIds(BoundaryID bid) const;
     470             : 
     471             :   /**
     472             :    * Return all ids of neighbors of elements which have a side which is part of a sideset.
     473             :    * Note that boundaries are sided, this is on the neighbor side. For the sideset side, use
     474             :    * getBoundariesActiveLocalElemIds.
     475             :    * Note that while the element is local and active, the neighbor is not guaranteed to be local,
     476             :    * it could be ghosted.
     477             :    * Note that if the neighbor is not ghosted, is a remote_elem, then it will not be included
     478             :    * @param bid the id of the sideset of interest
     479             :    */
     480             :   std::unordered_set<dof_id_type> getBoundaryActiveNeighborElemIds(BoundaryID bid) const;
     481             : 
     482             :   /**
     483             :    * Returns whether a boundary (given by its id) is not crossing through a group of blocks,
     484             :    * by which we mean that elements on both sides of the boundary are in those blocks
     485             :    * @param bid the id of the boundary of interest
     486             :    * @param blk_group the group of blocks potentially traversed
     487             :    * @return whether the boundary does not cross between the subdomains in the group
     488             :    */
     489             :   bool isBoundaryFullyExternalToSubdomains(BoundaryID bid,
     490             :                                            const std::set<SubdomainID> & blk_group) const;
     491             : 
     492             :   /**
     493             :    * Returns a read-only reference to the set of subdomains currently
     494             :    * present in the Mesh.
     495             :    */
     496             :   const std::set<SubdomainID> & meshSubdomains() const;
     497             : 
     498             :   /**
     499             :    * Returns a read-only reference to the set of boundary IDs currently
     500             :    * present in the Mesh.
     501             :    */
     502             :   const std::set<BoundaryID> & meshBoundaryIds() const;
     503             : 
     504             :   /**
     505             :    * Returns a read-only reference to the set of sidesets currently
     506             :    * present in the Mesh.
     507             :    */
     508             :   const std::set<BoundaryID> & meshSidesetIds() const;
     509             : 
     510             :   /**
     511             :    * Returns a read-only reference to the set of nodesets currently
     512             :    * present in the Mesh.
     513             :    */
     514             :   const std::set<BoundaryID> & meshNodesetIds() const;
     515             : 
     516             :   /**
     517             :    * Sets the mapping between BoundaryID and normal vector
     518             :    * Is called by AddAllSideSetsByNormals
     519             :    */
     520             :   void setBoundaryToNormalMap(std::unique_ptr<std::map<BoundaryID, RealVectorValue>> boundary_map);
     521             : 
     522             :   // DEPRECATED METHOD
     523             :   void setBoundaryToNormalMap(std::map<BoundaryID, RealVectorValue> * boundary_map);
     524             : 
     525             :   /**
     526             :    * Sets the set of BoundaryIDs
     527             :    * Is called by AddAllSideSetsByNormals
     528             :    */
     529             :   void setMeshBoundaryIDs(std::set<BoundaryID> boundary_IDs);
     530             : 
     531             :   /**
     532             :    * Returns the normal vector associated with a given BoundaryID.
     533             :    * It's only valid to call this when AddAllSideSetsByNormals is active.
     534             :    */
     535             :   const RealVectorValue & getNormalByBoundaryID(BoundaryID id) const;
     536             : 
     537             :   /**
     538             :    * Calls prepare_for_use() if the underlying MeshBase object isn't prepared, then communicates
     539             :    * various boundary information on parallel meshes. Also calls update() internally. Instead of
     540             :    * calling \p prepare_for_use on the currently held \p MeshBase object, a \p mesh_to_clone can be
     541             :    * provided. If it is provided (e.g. this method is given a non-null argument), then \p _mesh will
     542             :    * be assigned a clone of the \p mesh_to_clone. The provided \p mesh_to_clone must already be
     543             :    * prepared
     544             :    * @param mesh_to_clone If nonnull, we will clone this mesh instead of preparing our current one
     545             :    * @return Whether the libMesh mesh was prepared. This should really only be relevant in MOOSE
     546             :    * framework contexts where we need to make a decision about what to do with the displaced mesh.
     547             :    * If the reference mesh base object has \p prepare_for_use called (e.g. this method returns \p
     548             :    * true when called for the reference mesh), then we must pass the reference mesh base object into
     549             :    * this method when we call this for the displaced mesh. This is because the displaced mesh \emph
     550             :    * must be an exact clone of the reference mesh. We have seen that \p prepare_for_use called on
     551             :    * two previously identical meshes can result in two different meshes even with Metis partitioning
     552             :    */
     553             :   bool prepare(const MeshBase * mesh_to_clone);
     554             : 
     555             :   /**
     556             :    * Calls buildNodeListFromSideList(), buildNodeList(), and buildBndElemList().
     557             :    */
     558             :   void update();
     559             : 
     560             :   /**
     561             :    * Returns the level of uniform refinement requested (zero if AMR is disabled).
     562             :    */
     563             :   unsigned int uniformRefineLevel() const;
     564             : 
     565             :   /**
     566             :    * Set uniform refinement level
     567             :    */
     568             :   void setUniformRefineLevel(unsigned int, bool deletion = true);
     569             : 
     570             :   /**
     571             :    * Return a flag indicating whether or not we should skip remote deletion
     572             :    * and repartition after uniform refinements. If the flag is true, uniform
     573             :    * refinements will run more efficiently, but at the same time, there might
     574             :    * be extra ghosting elements. The number of layers of additional ghosting
     575             :    * elements depends on the number of uniform refinement levels.  This flag
     576             :    * should be used only when you have a "fine enough" coarse mesh and want
     577             :    * to refine the mesh by a few levels. Otherwise, it might introduce an
     578             :    * unbalanced workload and too large ghosting domain.
     579             :    */
     580             :   bool skipDeletionRepartitionAfterRefine() const;
     581             : 
     582             :   /**
     583             :    * Whether or not skip uniform refinements when using a pre-split mesh
     584             :    */
     585         266 :   bool skipRefineWhenUseSplit() const { return _skip_refine_when_use_split; }
     586             : 
     587             :   /**
     588             :    * This will add the boundary ids to be ghosted to this processor
     589             :    */
     590             :   void addGhostedBoundary(BoundaryID boundary_id);
     591             : 
     592             :   /**
     593             :    * This sets the inflation amount for the bounding box for each partition for use in
     594             :    * ghosting boundaries
     595             :    */
     596             :   void setGhostedBoundaryInflation(const std::vector<Real> & inflation);
     597             : 
     598             :   /**
     599             :    * Return a writable reference to the set of ghosted boundary IDs.
     600             :    */
     601             :   const std::set<unsigned int> & getGhostedBoundaries() const;
     602             : 
     603             :   /**
     604             :    * Return a writable reference to the _ghosted_boundaries_inflation vector.
     605             :    */
     606             :   const std::vector<Real> & getGhostedBoundaryInflation() const;
     607             : 
     608             :   /**
     609             :    * Actually do the ghosting of boundaries that need to be ghosted to this processor.
     610             :    */
     611             :   void ghostGhostedBoundaries();
     612             : 
     613             :   /**
     614             :    * Whether or not we want to ghost ghosted boundaries
     615             :    */
     616         797 :   void needGhostGhostedBoundaries(bool needghost) { _need_ghost_ghosted_boundaries = needghost; }
     617             : 
     618             :   /**
     619             :    * Getter for the patch_size parameter.
     620             :    */
     621             :   unsigned int getPatchSize() const;
     622             : 
     623             :   /**
     624             :    * Getter for the ghosting_patch_size parameter.
     625             :    */
     626        8630 :   unsigned int getGhostingPatchSize() const { return _ghosting_patch_size; }
     627             : 
     628             :   /**
     629             :    * Getter for the maximum leaf size parameter.
     630             :    */
     631       67232 :   unsigned int getMaxLeafSize() const { return _max_leaf_size; }
     632             : 
     633             :   /**
     634             :    * Set the patch size update strategy
     635             :    */
     636             :   void setPatchUpdateStrategy(Moose::PatchUpdateType patch_update_strategy);
     637             : 
     638             :   /**
     639             :    * Get the current patch update strategy.
     640             :    */
     641             :   const Moose::PatchUpdateType & getPatchUpdateStrategy() const;
     642             : 
     643             :   /**
     644             :    * Get a (slightly inflated) processor bounding box.
     645             :    *
     646             :    * @param inflation_multiplier This amount will be multiplied by the length of the diagonal of the
     647             :    * bounding box to find the amount to inflate the bounding box by in all directions.
     648             :    */
     649             :   libMesh::BoundingBox getInflatedProcessorBoundingBox(Real inflation_multiplier = 0.01) const;
     650             : 
     651             :   /**
     652             :    * Implicit conversion operator from MooseMesh -> libMesh::MeshBase.
     653             :    */
     654             :   operator libMesh::MeshBase &();
     655             :   operator const libMesh::MeshBase &() const;
     656             : 
     657             :   /**
     658             :    * Accessor for the underlying libMesh Mesh object.
     659             :    */
     660             :   MeshBase & getMesh();
     661             :   MeshBase & getMesh(const std::string & name);
     662             :   const MeshBase & getMesh() const;
     663             :   const MeshBase & getMesh(const std::string & name) const;
     664             :   const MeshBase * getMeshPtr() const;
     665             : 
     666             :   /**
     667             :    * Calls print_info() on the underlying Mesh.
     668             :    */
     669             :   void printInfo(std::ostream & os = libMesh::out, const unsigned int verbosity = 0) const;
     670             : 
     671             :   /**
     672             :    * Return list of blocks to which the given node belongs.
     673             :    */
     674             :   const std::set<SubdomainID> & getNodeBlockIds(const Node & node) const;
     675             : 
     676             :   /**
     677             :    * Return a writable reference to a vector of node IDs that belong
     678             :    * to nodeset_id.
     679             :    */
     680             :   const std::vector<dof_id_type> & getNodeList(boundary_id_type nodeset_id) const;
     681             : 
     682             :   /**
     683             :    * Add a new node to the mesh.  If there is already a node located at the point passed
     684             :    * then the node will not be added.  In either case a reference to the node at that location
     685             :    * will be returned
     686             :    */
     687             :   const Node * addUniqueNode(const Point & p, Real tol = 1e-6);
     688             : 
     689             :   /**
     690             :    * Adds a fictitious "QuadratureNode".  This doesn't actually add it to the libMesh mesh...
     691             :    * we just keep track of these here in MooseMesh.
     692             :    *
     693             :    * QuadratureNodes are fictitious "Nodes" that are located at quadrature points.  This is useful
     694             :    * for using the geometric search system to do searches based on quadrature point locations....
     695             :    *
     696             :    * @param elem The element
     697             :    * @param side The side number on which we want to add a quadrature node
     698             :    * @param qp The number of the quadrature point
     699             :    * @param bid The boundary ID for the point to be added with
     700             :    * @param point The physical location of the point
     701             :    */
     702             :   Node * addQuadratureNode(const Elem * elem,
     703             :                            const unsigned short int side,
     704             :                            const unsigned int qp,
     705             :                            BoundaryID bid,
     706             :                            const Point & point);
     707             : 
     708             :   /**
     709             :    * Get a specified quadrature node.
     710             :    *
     711             :    * @param elem The element the quadrature point is on
     712             :    * @param side The side the quadrature point is on
     713             :    * @param qp The quadrature point number associated with the point
     714             :    */
     715             :   Node * getQuadratureNode(const Elem * elem, const unsigned short int side, const unsigned int qp);
     716             : 
     717             :   /**
     718             :    * Clear out any existing quadrature nodes.
     719             :    * Most likely called before re-adding them.
     720             :    */
     721             :   void clearQuadratureNodes();
     722             : 
     723             :   /**
     724             :    * Get the associated BoundaryID for the boundary name.
     725             :    *
     726             :    * @return param boundary_name The name of the boundary.
     727             :    * @return the boundary id from the passed boundary name.
     728             :    */
     729             :   BoundaryID getBoundaryID(const BoundaryName & boundary_name) const;
     730             : 
     731             :   /**
     732             :    * Get the associated BoundaryID for the boundary names that are passed in.
     733             :    *
     734             :    * @return param boundary_name The names of the boundaries.
     735             :    * @return the boundary ids from the passed boundary names.
     736             :    */
     737             :   std::vector<BoundaryID> getBoundaryIDs(const std::vector<BoundaryName> & boundary_name,
     738             :                                          bool generate_unknown = false) const;
     739             : 
     740             :   /**
     741             :    * Get the associated subdomain ID for the subdomain name.
     742             :    *
     743             :    * @param subdomain_name The name of the subdomain
     744             :    * @return The subdomain id from the passed subdomain name.
     745             :    */
     746             :   SubdomainID getSubdomainID(const SubdomainName & subdomain_name) const;
     747             : 
     748             :   /**
     749             :    * Get the associated subdomainIDs for the subdomain names that are passed in.
     750             :    *
     751             :    * @param subdomain_names The names of the subdomains
     752             :    * @return The subdomain ids from the passed subdomain names.
     753             :    */
     754             :   std::vector<SubdomainID>
     755             :   getSubdomainIDs(const std::vector<SubdomainName> & subdomain_names) const;
     756             :   std::set<SubdomainID> getSubdomainIDs(const std::set<SubdomainName> & subdomain_names) const;
     757             : 
     758             :   /**
     759             :    * This method sets the name for \p subdomain_id to \p name
     760             :    */
     761             :   void setSubdomainName(SubdomainID subdomain_id, const SubdomainName & name);
     762             : 
     763             :   /**
     764             :    * This method sets the name for \p subdomain_id on the provided \p mesh to \p name
     765             :    */
     766             :   static void
     767             :   setSubdomainName(MeshBase & mesh, SubdomainID subdomain_id, const SubdomainName & name);
     768             : 
     769             :   /**
     770             :    * Return the name of a block given an id.
     771             :    */
     772             :   const std::string & getSubdomainName(SubdomainID subdomain_id) const;
     773             : 
     774             :   /**
     775             :    * Get the associated subdomainNames for the subdomain ids that are passed in.
     776             :    *
     777             :    * @param subdomain_ids The ids of the subdomains
     778             :    * @return The subdomain names from the passed subdomain ids.
     779             :    */
     780             :   std::vector<SubdomainName>
     781             :   getSubdomainNames(const std::vector<SubdomainID> & subdomain_ids) const;
     782             : 
     783             :   /**
     784             :    * This method sets the boundary name of the boundary based on the id parameter
     785             :    */
     786             :   void setBoundaryName(BoundaryID boundary_id, BoundaryName name);
     787             : 
     788             :   /**
     789             :    * Return the name of the boundary given the id.
     790             :    */
     791             :   const std::string & getBoundaryName(BoundaryID boundary_id);
     792             : 
     793             :   /**
     794             :    * This routine builds a multimap of boundary ids to matching boundary ids across all periodic
     795             :    * boundaries
     796             :    * in the system.
     797             :    */
     798             :   void buildPeriodicNodeMap(std::multimap<dof_id_type, dof_id_type> & periodic_node_map,
     799             :                             unsigned int var_number,
     800             :                             libMesh::PeriodicBoundaries * pbs) const;
     801             : 
     802             :   /**
     803             :    * This routine builds a datastructure of node ids organized by periodic boundary ids
     804             :    */
     805             :   void buildPeriodicNodeSets(std::map<BoundaryID, std::set<dof_id_type>> & periodic_node_sets,
     806             :                              unsigned int var_number,
     807             :                              libMesh::PeriodicBoundaries * pbs) const;
     808             : 
     809             :   /**
     810             :    * Returns the width of the requested dimension
     811             :    */
     812             :   Real dimensionWidth(unsigned int component) const;
     813             : 
     814             :   ///@{
     815             :   /**
     816             :    * Returns the min or max of the requested dimension respectively
     817             :    */
     818             :   virtual Real getMinInDimension(unsigned int component) const;
     819             :   virtual Real getMaxInDimension(unsigned int component) const;
     820             :   ///@}
     821             : 
     822             :   /**
     823             :    * This routine determines whether the Mesh is a regular orthogonal mesh (i.e. square in 2D, cubic
     824             :    * in 3D). If it is, then we can use a number of convenience functions when periodic boundary
     825             :    * conditions are applied.  This routine populates the _range vector which is necessary for these
     826             :    * convenience functions.
     827             :    *
     828             :    * Note:  This routine can potentially identify meshes with concave faces that still "fit" in the
     829             :    * convex hull of the corresponding regular orthogonal mesh.  This case is highly unlikely in
     830             :    * practice and if a user does this, well.... release the kicker!
     831             :    */
     832             :   bool detectOrthogonalDimRanges(Real tol = 1e-6);
     833             : 
     834             :   /**
     835             :    * For "regular orthogonal" meshes, determine if variable var_num is periodic with respect to the
     836             :    * primary and secondary BoundaryIDs, record this fact in the _periodic_dim data structure.
     837             :    */
     838             :   void addPeriodicVariable(unsigned int var_num, BoundaryID primary, BoundaryID secondary);
     839             : 
     840             :   /**
     841             :    * Returns whether this generated mesh is periodic in the given dimension for the given variable.
     842             :    * @param nonlinear_var_num - The nonlinear variable number
     843             :    * @param component - An integer representing the desired component (dimension)
     844             :    */
     845             :   bool isTranslatedPeriodic(unsigned int nonlinear_var_num, unsigned int component) const;
     846             : 
     847             :   /**
     848             :    * This function returns the minimum vector between two points on the mesh taking into account
     849             :    * periodicity for the given variable number.
     850             :    * @param nonlinear_var_num - The nonlinear variable number
     851             :    * @param p, q - The points between which to compute a minimum vector
     852             :    * @return RealVectorValue - The vector pointing from p to q
     853             :    */
     854             :   RealVectorValue minPeriodicVector(unsigned int nonlinear_var_num, Point p, Point q) const;
     855             : 
     856             :   /**
     857             :    * This function returns the distance between two points on the mesh taking into account
     858             :    * periodicity for the given variable number.
     859             :    * @param nonlinear_var_num - The nonlinear variable number
     860             :    * @param p, q - The points for which to compute a minimum distance
     861             :    * @return Real - The L2 distance between p and q
     862             :    */
     863             :   Real minPeriodicDistance(unsigned int nonlinear_var_num, Point p, Point q) const;
     864             : 
     865             :   /**
     866             :    * This function attempts to return the paired boundary ids for the given component.  For example,
     867             :    * in a generated 2D mesh, passing 0 for the "x" component will return (3, 1).
     868             :    * @param component - An integer representing the desired component (dimension)
     869             :    * @return std::pair pointer - The matching boundary pairs for the passed component
     870             :    */
     871             :   const std::pair<BoundaryID, BoundaryID> * getPairedBoundaryMapping(unsigned int component);
     872             : 
     873             :   /**
     874             :    * Create the refinement and coarsening maps necessary for projection of stateful material
     875             :    * properties when using adaptivity.
     876             :    *
     877             :    * @param assembly Pointer to the Assembly object for this Mesh.
     878             :    */
     879             :   void buildRefinementAndCoarseningMaps(Assembly * assembly);
     880             : 
     881             :   /**
     882             :    * Get the refinement map for a given element type.  This will tell you what quadrature points
     883             :    * to copy from and to for stateful material properties on newly created elements from Adaptivity.
     884             :    *
     885             :    * @param elem The element that represents the element type you need the refinement map for.
     886             :    * @param parent_side The side of the parent to map (-1 if not mapping parent sides)
     887             :    * @param child The child number (-1 if not mapping child internal sides)
     888             :    * @param child_side The side number of the child (-1 if not mapping sides)
     889             :    */
     890             :   const std::vector<std::vector<QpMap>> &
     891             :   getRefinementMap(const Elem & elem, int parent_side, int child, int child_side);
     892             : 
     893             :   /**
     894             :    * Get the coarsening map for a given element type.  This will tell you what quadrature points
     895             :    * to copy from and to for stateful material properties on newly created elements from Adaptivity.
     896             :    *
     897             :    * @param elem The element that represents the element type you need the coarsening map for.
     898             :    * @param input_side The side to map
     899             :    */
     900             :   const std::vector<std::pair<unsigned int, QpMap>> & getCoarseningMap(const Elem & elem,
     901             :                                                                        int input_side);
     902             : 
     903             :   /**
     904             :    * Change all the boundary IDs for a given side from old_id to new_id.  If delete_prev is true,
     905             :    * also actually remove the side with old_id from the BoundaryInfo object.
     906             :    */
     907             :   void
     908             :   changeBoundaryId(const boundary_id_type old_id, const boundary_id_type new_id, bool delete_prev);
     909             : 
     910             :   /**
     911             :    * Change all the boundary IDs for a given side from old_id to new_id for the given \p mesh.  If
     912             :    * delete_prev is true, also actually remove the side with old_id from the BoundaryInfo object.
     913             :    */
     914             :   static void changeBoundaryId(MeshBase & mesh,
     915             :                                const boundary_id_type old_id,
     916             :                                const boundary_id_type new_id,
     917             :                                bool delete_prev);
     918             : 
     919             :   /**
     920             :    * Get the list of boundary ids associated with the given subdomain id.
     921             :    *
     922             :    * @param subdomain_id The subdomain ID you want to get the boundary ids for.
     923             :    * @return All boundary IDs connected to elements in the give
     924             :    */
     925             :   const std::set<BoundaryID> & getSubdomainBoundaryIds(const SubdomainID subdomain_id) const;
     926             : 
     927             :   /**
     928             :    * Get the list of boundaries that contact the given subdomain.
     929             :    *
     930             :    * @param subdomain_id The subdomain ID you want to get the boundary ids for.
     931             :    * @return All boundary IDs connected to elements in the given subdomain
     932             :    */
     933             :   std::set<BoundaryID> getSubdomainInterfaceBoundaryIds(const SubdomainID subdomain_id) const;
     934             : 
     935             :   /**
     936             :    * Get the list of subdomains associated with the given boundary.
     937             :    *
     938             :    * @param bid The boundary ID you want to get the subdomain IDs for.
     939             :    * @return All subdomain IDs associated with given boundary ID
     940             :    */
     941             :   std::set<SubdomainID> getBoundaryConnectedBlocks(const BoundaryID bid) const;
     942             : 
     943             :   /**
     944             :    * Get the list of subdomains associated with the given boundary of its secondary side.
     945             :    *
     946             :    * @param bid The boundary ID you want to get the subdomain IDs for.
     947             :    * @return All subdomain IDs associated with given boundary ID
     948             :    */
     949             :   std::set<SubdomainID> getBoundaryConnectedSecondaryBlocks(const BoundaryID bid) const;
     950             : 
     951             :   /**
     952             :    * Get the list of subdomains contacting the given boundary.
     953             :    *
     954             :    * @param bid The boundary ID you want to get the subdomain IDs for.
     955             :    * @return All subdomain IDs contacting given boundary ID
     956             :    */
     957             :   std::set<SubdomainID> getInterfaceConnectedBlocks(const BoundaryID bid) const;
     958             : 
     959             :   /**
     960             :    * Get the list of subdomains neighboring a given subdomain.
     961             :    *
     962             :    * @param subdomain_id The boundary ID you want to get the subdomain IDs for.
     963             :    * @return All subdomain IDs neighboring a given subdomain
     964             :    */
     965             :   const std::set<SubdomainID> & getBlockConnectedBlocks(const SubdomainID subdomain_id) const;
     966             : 
     967             :   /**
     968             :    * Returns true if the requested node is in the list of boundary nodes, false otherwise.
     969             :    */
     970             :   bool isBoundaryNode(dof_id_type node_id) const;
     971             : 
     972             :   /**
     973             :    * Returns true if the requested node is in the list of boundary nodes for the specified boundary,
     974             :    * false otherwise.
     975             :    */
     976             :   bool isBoundaryNode(dof_id_type node_id, BoundaryID bnd_id) const;
     977             : 
     978             :   /**
     979             :    * Returns true if the requested element is in the list of boundary elements, false otherwise.
     980             :    */
     981             :   bool isBoundaryElem(dof_id_type elem_id) const;
     982             : 
     983             :   /**
     984             :    * Returns true if the requested element is in the list of boundary elements for the specified
     985             :    * boundary, false otherwise.
     986             :    */
     987             :   bool isBoundaryElem(dof_id_type elem_id, BoundaryID bnd_id) const;
     988             : 
     989             :   /**
     990             :    * Generate a unified error message if the underlying libMesh mesh is a DistributedMesh.  Clients
     991             :    * of MooseMesh can use this function to throw an error if they know they don't work with
     992             :    * DistributedMesh.
     993             :    *
     994             :    * See, for example, the NodalVariableValue class.
     995             :    */
     996             :   void errorIfDistributedMesh(std::string name) const;
     997             : 
     998             :   /**
     999             :    * Returns the final Mesh distribution type.
    1000             :    */
    1001       60323 :   virtual bool isDistributedMesh() const { return _use_distributed_mesh; }
    1002             : 
    1003             :   /**
    1004             :    * Tell the user if the distribution was overriden for any reason
    1005             :    */
    1006       50505 :   bool isParallelTypeForced() const { return _parallel_type_overridden; }
    1007             : 
    1008             :   /**
    1009             :    *  Allow to change parallel type
    1010             :    */
    1011             :   void setParallelType(ParallelType parallel_type);
    1012             : 
    1013             :   /**
    1014             :    * @return The parallel type
    1015             :    */
    1016        1040 :   ParallelType getParallelType() const { return _parallel_type; }
    1017             : 
    1018             :   /*
    1019             :    * Set/Get the partitioner name
    1020             :    */
    1021       24454 :   const MooseEnum & partitionerName() const { return _partitioner_name; }
    1022             : 
    1023             :   /**
    1024             :    * Tell the user if the partitioner was overriden for any reason
    1025             :    */
    1026       24454 :   bool isPartitionerForced() const { return _partitioner_overridden; }
    1027             : 
    1028             :   /**
    1029             :    * Set whether or not this mesh is allowed to read a recovery file.
    1030             :    */
    1031          10 :   void allowRecovery(bool allow) { _allow_recovery = allow; }
    1032             : 
    1033             :   /**
    1034             :    * Method for setting the partitioner on the passed in mesh_base object.
    1035             :    */
    1036             :   static void setPartitioner(MeshBase & mesh_base,
    1037             :                              MooseEnum & partitioner,
    1038             :                              bool use_distributed_mesh,
    1039             :                              const InputParameters & params,
    1040             :                              MooseObject & context_obj);
    1041             : 
    1042             :   /**
    1043             :    * Setter for custom partitioner
    1044             :    */
    1045             :   void setCustomPartitioner(libMesh::Partitioner * partitioner);
    1046             : 
    1047             :   ///@{
    1048             :   /**
    1049             :    * Setter and getter for _custom_partitioner_requested
    1050             :    */
    1051             :   bool isCustomPartitionerRequested() const;
    1052             :   void setIsCustomPartitionerRequested(bool cpr);
    1053             :   ///@}
    1054             : 
    1055             :   /// Getter to query if the mesh was detected to be regular and orthogonal
    1056        1114 :   bool isRegularOrthogonal() { return _regular_orthogonal_mesh; }
    1057             : 
    1058             :   /// check if the mesh has SECOND order elements
    1059             :   bool hasSecondOrderElements();
    1060             : 
    1061             :   /**
    1062             :    * Proxy function to get a (sub)PointLocator from either the underlying libMesh mesh (default), or
    1063             :    * to allow derived meshes to return a custom point locator.
    1064             :    */
    1065             :   virtual std::unique_ptr<libMesh::PointLocatorBase> getPointLocator() const;
    1066             : 
    1067             :   /**
    1068             :    * Returns the name of the mesh file read to produce this mesh if any or an empty string
    1069             :    * otherwise.
    1070             :    */
    1071         156 :   virtual std::string getFileName() const { return ""; }
    1072             : 
    1073             :   /// Helper type for building periodic node maps
    1074             :   using PeriodicNodeInfo = std::pair<const Node *, BoundaryID>;
    1075             : 
    1076             :   /**
    1077             :    * Set whether we need to delete remote elements
    1078             :    */
    1079          24 :   void needsRemoteElemDeletion(bool need_delete) { _need_delete = need_delete; }
    1080             : 
    1081             :   /**
    1082             :    * Whether we need to delete remote elements
    1083             :    */
    1084       60242 :   bool needsRemoteElemDeletion() const { return _need_delete; }
    1085             : 
    1086             :   /**
    1087             :    * Set whether to allow remote element removal
    1088             :    */
    1089             :   void allowRemoteElementRemoval(bool allow_removal);
    1090             : 
    1091             :   /**
    1092             :    * Whether we are allow remote element removal
    1093             :    */
    1094       25886 :   bool allowRemoteElementRemoval() const { return _allow_remote_element_removal; }
    1095             : 
    1096             :   /**
    1097             :    * Delete remote elements
    1098             :    */
    1099             :   void deleteRemoteElements();
    1100             : 
    1101             :   /**
    1102             :    * Whether mesh base object was constructed or not
    1103             :    */
    1104       81959 :   bool hasMeshBase() const { return _mesh.get() != nullptr; }
    1105             : 
    1106             :   /**
    1107             :    * Whether mesh has an extra element integer with a given name
    1108             :    */
    1109             :   bool hasElementID(const std::string & id_name) const;
    1110             : 
    1111             :   /**
    1112             :    * Return the accessing integer for an extra element integer with its name
    1113             :    */
    1114             :   unsigned int getElementIDIndex(const std::string & id_name) const;
    1115             : 
    1116             :   /**
    1117             :    * Return the maximum element ID for an extra element integer with its accessing index
    1118             :    */
    1119             :   dof_id_type maxElementID(unsigned int elem_id_index) const { return _max_ids[elem_id_index]; }
    1120             : 
    1121             :   /**
    1122             :    * Return the minimum element ID for an extra element integer with its accessing index
    1123             :    */
    1124             :   dof_id_type minElementID(unsigned int elem_id_index) const { return _min_ids[elem_id_index]; }
    1125             : 
    1126             :   /**
    1127             :    * Whether or not two extra element integers are identical
    1128             :    */
    1129             :   bool areElemIDsIdentical(const std::string & id_name1, const std::string & id_name2) const;
    1130             : 
    1131             :   /**
    1132             :    * Return all the unique element IDs for an extra element integer with its index
    1133             :    */
    1134             :   std::set<dof_id_type> getAllElemIDs(unsigned int elem_id_index) const;
    1135             : 
    1136             :   /**
    1137             :    * Return all the unique element IDs for an extra element integer with its index on a set of
    1138             :    * subdomains
    1139             :    */
    1140             :   std::set<dof_id_type> getElemIDsOnBlocks(unsigned int elem_id_index,
    1141             :                                            const std::set<SubdomainID> & blks) const;
    1142             : 
    1143             :   std::unordered_map<dof_id_type, std::set<dof_id_type>>
    1144             :   getElemIDMapping(const std::string & from_id_name, const std::string & to_id_name) const;
    1145             : 
    1146             :   ///@{ accessors for the FaceInfo objects
    1147             :   unsigned int nFace() const { return _face_info.size(); }
    1148             : 
    1149             :   /// Accessor for local \p FaceInfo objects.
    1150             :   const std::vector<const FaceInfo *> & faceInfo() const;
    1151             : 
    1152             :   /// Need to declare these iterators here to make sure the iterators below work
    1153             :   struct face_info_iterator;
    1154             :   struct const_face_info_iterator;
    1155             : 
    1156             :   /// Iterators to owned faceInfo objects. These faceInfo-s are required for the
    1157             :   /// face loops and to filter out the faceInfo-s that are not owned by this processor
    1158             :   /// in case we have a distributed mesh and we included FaceInfo objects that
    1159             :   /// are on processor boundaries
    1160             :   face_info_iterator ownedFaceInfoBegin();
    1161             :   face_info_iterator ownedFaceInfoEnd();
    1162             : 
    1163             :   /// Need to declare these iterators here to make sure the iterators below work
    1164             :   struct elem_info_iterator;
    1165             :   struct const_elem_info_iterator;
    1166             : 
    1167             :   /// Iterators to owned faceInfo objects. These faceInfo-s are required for the
    1168             :   /// face loops and to filter out the faceInfo-s that are not owned by this processor
    1169             :   /// in case we have a distributed mesh and we included FaceInfo objects that
    1170             :   /// are on processor boundaries
    1171             :   elem_info_iterator ownedElemInfoBegin();
    1172             :   elem_info_iterator ownedElemInfoEnd();
    1173             : 
    1174             :   /// Accessor for the local FaceInfo object on the side of one element. Returns null if ghosted.
    1175             :   const FaceInfo * faceInfo(const Elem * elem, unsigned int side) const;
    1176             : 
    1177             :   /// Accessor for the elemInfo object for a given element ID
    1178             :   const ElemInfo & elemInfo(const dof_id_type id) const;
    1179             : 
    1180             :   /// Accessor for the element info objects owned by this process
    1181          21 :   const std::vector<const ElemInfo *> & elemInfoVector() const { return _elem_info; }
    1182             : 
    1183             :   /// Accessor for all \p FaceInfo objects.
    1184             :   const std::vector<FaceInfo> & allFaceInfo() const;
    1185             :   ///@}
    1186             : 
    1187             :   /**
    1188             :    * Cache if variables live on the elements connected by the FaceInfo objects
    1189             :    */
    1190             :   void cacheFaceInfoVariableOwnership() const;
    1191             : 
    1192             :   /**
    1193             :    * Cache the DoF indices for FV variables on each element. These indices are used to speed up the
    1194             :    * setup loops of finite volume systems.
    1195             :    */
    1196             :   void cacheFVElementalDoFs() const;
    1197             : 
    1198             :   /**
    1199             :    * Compute the face coordinate value for all \p FaceInfo and \p ElemInfo objects. 'Coordinate'
    1200             :    * here means a coordinate value associated with the coordinate system. For Cartesian coordinate
    1201             :    * systems, 'coordinate' is simply '1'; in RZ, '2*pi*r', and in spherical, '4*pi*r^2'
    1202             :    */
    1203             :   void computeFiniteVolumeCoords() const;
    1204             : 
    1205             :   /**
    1206             :    * Set whether this mesh is a displaced mesh
    1207             :    */
    1208        2073 :   void isDisplaced(bool is_displaced) { _is_displaced = is_displaced; }
    1209             : 
    1210             :   /**
    1211             :    * whether this mesh is a displaced mesh
    1212             :    */
    1213             :   bool isDisplaced() const { return _is_displaced; }
    1214             : 
    1215             :   /**
    1216             :    * @return A map from nodeset ids to the vector of node ids in the nodeset
    1217             :    */
    1218             :   const std::map<boundary_id_type, std::vector<dof_id_type>> & nodeSetNodes() const;
    1219             : 
    1220             :   /**
    1221             :    * Get the coordinate system type, e.g. xyz, rz, or r-spherical, for the provided subdomain id \p
    1222             :    * sid
    1223             :    */
    1224             :   Moose::CoordinateSystemType getCoordSystem(SubdomainID sid) const;
    1225             : 
    1226             :   /**
    1227             :    * Get the coordinate system from the mesh, it must be the same in all subdomains otherwise this
    1228             :    * will error
    1229             :    */
    1230             :   Moose::CoordinateSystemType getUniqueCoordSystem() const;
    1231             : 
    1232             :   /**
    1233             :    * Get the map from subdomain ID to coordinate system type, e.g. xyz, rz, or r-spherical
    1234             :    */
    1235             :   const std::map<SubdomainID, Moose::CoordinateSystemType> & getCoordSystem() const;
    1236             : 
    1237             :   /**
    1238             :    * Set the coordinate system for the provided blocks to \p coord_sys
    1239             :    */
    1240             :   void setCoordSystem(const std::vector<SubdomainName> & blocks, const MultiMooseEnum & coord_sys);
    1241             : 
    1242             :   /**
    1243             :    * For axisymmetric simulations, set the symmetry coordinate axis. For r in the x-direction, z in
    1244             :    * the y-direction the coordinate axis would be y
    1245             :    */
    1246             :   void setAxisymmetricCoordAxis(const MooseEnum & rz_coord_axis);
    1247             : 
    1248             :   /**
    1249             :    * Sets the general coordinate axes for axisymmetric blocks.
    1250             :    *
    1251             :    * This method must be used if any of the following are true:
    1252             :    * - There are multiple axisymmetric coordinate systems
    1253             :    * - Any axisymmetric coordinate system axis/direction is not the +X or +Y axis
    1254             :    * - Any axisymmetric coordinate system does not start at (0,0,0)
    1255             :    *
    1256             :    * @param[in] blocks  Subdomain names
    1257             :    * @param[in] axes  Pair of values defining the axisymmetric coordinate axis
    1258             :    *                  for each subdomain. The first value is the point on the axis
    1259             :    *                  corresponding to the origin. The second value is the direction
    1260             :    *                  vector of the axis (normalization not necessary).
    1261             :    */
    1262             :   void setGeneralAxisymmetricCoordAxes(const std::vector<SubdomainName> & blocks,
    1263             :                                        const std::vector<std::pair<Point, RealVectorValue>> & axes);
    1264             : 
    1265             :   /**
    1266             :    * Gets the general axisymmetric coordinate axis for a block.
    1267             :    *
    1268             :    * @param[in] subdomain_id  Subdomain ID for which to get axisymmetric coordinate axis
    1269             :    */
    1270             :   const std::pair<Point, RealVectorValue> &
    1271             :   getGeneralAxisymmetricCoordAxis(SubdomainID subdomain_id) const;
    1272             : 
    1273             :   /**
    1274             :    * Returns true if general axisymmetric coordinate axes are being used
    1275             :    */
    1276             :   bool usingGeneralAxisymmetricCoordAxes() const;
    1277             : 
    1278             :   /**
    1279             :    * Returns the desired radial direction for RZ coordinate transformation
    1280             :    * @return The coordinate direction for the radial direction
    1281             :    */
    1282             :   unsigned int getAxisymmetricRadialCoord() const;
    1283             : 
    1284             :   /**
    1285             :    * Performs a sanity check for every element in the mesh. If an element dimension is 3 and the
    1286             :    * corresponding coordinate system is RZ, then this will error. If an element dimension is greater
    1287             :    * than 1 and the corresponding system is RPSHERICAL then this will error
    1288             :    */
    1289             :   void checkCoordinateSystems();
    1290             : 
    1291             :   /**
    1292             :    * Set the coordinate system data to that of \p other_mesh
    1293             :    */
    1294             :   void setCoordData(const MooseMesh & other_mesh);
    1295             : 
    1296             :   /**
    1297             :    * Mark the finite volume information as dirty
    1298             :    */
    1299        3791 :   void markFiniteVolumeInfoDirty() { _finite_volume_info_dirty = true; }
    1300             : 
    1301             :   /**
    1302             :    * @return whether the finite volume information is dirty
    1303             :    */
    1304        1162 :   bool isFiniteVolumeInfoDirty() const { return _finite_volume_info_dirty; }
    1305             : 
    1306             :   /**
    1307             :    * @return the coordinate transformation object that describes how to transform this problem's
    1308             :    * coordinate system into the canonical/reference coordinate system
    1309             :    */
    1310             :   MooseAppCoordTransform & coordTransform();
    1311             : 
    1312             :   /**
    1313             :    * @return the length unit of this mesh provided through the coordinate transformation object
    1314             :    */
    1315             :   const MooseUnits & lengthUnit() const;
    1316             : 
    1317             :   /**
    1318             :    * This function attempts to return the map from a high-order element side to its corresponding
    1319             :    * lower-d element
    1320             :    */
    1321             :   const std::unordered_map<std::pair<const Elem *, unsigned short int>, const Elem *> &
    1322             :   getLowerDElemMap() const;
    1323             : 
    1324             :   /**
    1325             :    * @return Whether or not this mesh comes from a split mesh
    1326             :    */
    1327      169641 :   bool isSplit() const { return _is_split; }
    1328             : 
    1329             :   /**
    1330             :    * Builds the face and elem info vectors that store meta-data needed for looping over and doing
    1331             :    * calculations based on mesh faces and elements in a finite volume setting. This should only
    1332             :    * be called when finite volume variables are used in the problem or when the face and elem info
    1333             :    * objects are necessary for functor-based evaluations.
    1334             :    */
    1335             :   void buildFiniteVolumeInfo() const;
    1336             : 
    1337             :   /**
    1338             :    * Sets up the additional data needed for finite volume computations.
    1339             :    * This involves building FaceInfo and ElemInfo objects, caching variable associations
    1340             :    * and elemental DoF indices for FV variables.
    1341             :    */
    1342             :   void setupFiniteVolumeMeshData() const;
    1343             : 
    1344             :   /**
    1345             :    * Indicate whether the kind of adaptivity we're doing is p-refinement
    1346             :    */
    1347         204 :   void doingPRefinement(bool doing_p_refinement) { _doing_p_refinement = doing_p_refinement; }
    1348             : 
    1349             :   /**
    1350             :    * Query whether we have p-refinement
    1351             :    */
    1352  2941083518 :   [[nodiscard]] bool doingPRefinement() const { return _doing_p_refinement; }
    1353             : 
    1354             :   /**
    1355             :    * Returns the maximum p-refinement level of all elements
    1356             :    */
    1357       50882 :   unsigned int maxPLevel() const { return _max_p_level; }
    1358             : 
    1359             :   /**
    1360             :    * Returns the maximum h-refinement level of all elements
    1361             :    */
    1362       56831 :   unsigned int maxHLevel() const { return _max_h_level; }
    1363             : 
    1364             :   /**
    1365             :    * Get the map describing for each volumetric quadrature point (qp) on the refined level which qp
    1366             :    * on the previous coarser level the fine qp is closest to
    1367             :    */
    1368             :   const std::vector<QpMap> & getPRefinementMap(const Elem & elem) const;
    1369             :   /**
    1370             :    * Get the map describing for each side quadrature point (qp) on the refined level which qp
    1371             :    * on the previous coarser level the fine qp is closest to
    1372             :    */
    1373             :   const std::vector<QpMap> & getPRefinementSideMap(const Elem & elem) const;
    1374             :   /**
    1375             :    * Get the map describing for each volumetric quadrature point (qp) on the coarse level which qp
    1376             :    * on the previous finer level the coarse qp is closest to
    1377             :    */
    1378             :   const std::vector<QpMap> & getPCoarseningMap(const Elem & elem) const;
    1379             :   /**
    1380             :    * Get the map describing for each side quadrature point (qp) on the coarse level which qp
    1381             :    * on the previous finer level the coarse qp is closest to
    1382             :    */
    1383             :   const std::vector<QpMap> & getPCoarseningSideMap(const Elem & elem) const;
    1384             : 
    1385             :   void buildPRefinementAndCoarseningMaps(Assembly * assembly);
    1386             : 
    1387             :   /**
    1388             :    * @return Whether the subdomain indicated by \p subdomain_id is a lower-dimensional manifold of
    1389             :    * some higher-dimensional subdomain, or in implementation speak, whether the elements of this
    1390             :    * subdomain have non-null interior parents
    1391             :    */
    1392             :   bool isLowerD(const SubdomainID subdomain_id) const;
    1393             : 
    1394             :   /**
    1395             :    * @return Whether there are any lower-dimensional blocks that are manifolds of higher-dimensional
    1396             :    * block faces
    1397             :    */
    1398       32262 :   bool hasLowerD() const { return _has_lower_d; }
    1399             : 
    1400             :   /**
    1401             :    * @return The set of lower-dimensional blocks for interior sides
    1402             :    */
    1403   389367125 :   const std::set<SubdomainID> & interiorLowerDBlocks() const { return _lower_d_interior_blocks; }
    1404             :   /**
    1405             :    * @return The set of lower-dimensional blocks for boundary sides
    1406             :    */
    1407   388267922 :   const std::set<SubdomainID> & boundaryLowerDBlocks() const { return _lower_d_boundary_blocks; }
    1408             :   /// Return construct node list from side list boolean
    1409         134 :   bool getConstructNodeListFromSideList() { return _construct_node_list_from_side_list; }
    1410             : 
    1411             : protected:
    1412             :   /// Deprecated (DO NOT USE)
    1413             :   std::vector<std::unique_ptr<libMesh::GhostingFunctor>> _ghosting_functors;
    1414             : 
    1415             :   /// The list of active geometric relationship managers (bound to the underlying MeshBase object).
    1416             :   std::vector<std::shared_ptr<RelationshipManager>> _relationship_managers;
    1417             : 
    1418             :   /// Whether or not this mesh was built from another mesh
    1419             :   bool _built_from_other_mesh = false;
    1420             : 
    1421             :   /// Can be set to DISTRIBUTED, REPLICATED, or DEFAULT.  Determines whether
    1422             :   /// the underlying libMesh mesh is a ReplicatedMesh or DistributedMesh.
    1423             :   ParallelType _parallel_type;
    1424             : 
    1425             :   /// False by default.  Final value is determined by several factors
    1426             :   /// including the 'distribution' setting in the input file, and whether
    1427             :   /// or not the Mesh file is a Nemesis file.
    1428             :   bool _use_distributed_mesh;
    1429             :   bool _distribution_overridden;
    1430             :   bool _parallel_type_overridden;
    1431             : 
    1432             :   /// Pointer to underlying libMesh mesh object
    1433             :   std::unique_ptr<libMesh::MeshBase> _mesh;
    1434             : 
    1435             :   /// The partitioner used on this mesh
    1436             :   MooseEnum _partitioner_name;
    1437             :   bool _partitioner_overridden;
    1438             : 
    1439             :   /// The custom partitioner
    1440             :   std::unique_ptr<libMesh::Partitioner> _custom_partitioner;
    1441             :   bool _custom_partitioner_requested;
    1442             : 
    1443             :   /// Convenience enums
    1444             :   enum
    1445             :   {
    1446             :     X = 0,
    1447             :     Y,
    1448             :     Z
    1449             :   };
    1450             :   enum
    1451             :   {
    1452             :     MIN = 0,
    1453             :     MAX
    1454             :   };
    1455             : 
    1456             :   /// The level of uniform refinement requested (set to zero if AMR is disabled)
    1457             :   unsigned int _uniform_refine_level;
    1458             : 
    1459             :   /// Whether or not to skip uniform refinements when using a pre-split mesh
    1460             :   bool _skip_refine_when_use_split;
    1461             : 
    1462             :   /// Whether or not skip remote deletion and repartition after uniform refinements
    1463             :   bool _skip_deletion_repartition_after_refine;
    1464             : 
    1465             :   /// true if mesh is changed (i.e. after adaptivity step)
    1466             :   bool _is_changed;
    1467             : 
    1468             :   /// True if a Nemesis Mesh was read in
    1469             :   bool _is_nemesis;
    1470             : 
    1471             :   /// True if prepare has been called on the mesh
    1472             :   bool _moose_mesh_prepared = false;
    1473             : 
    1474             :   /// The elements that were just refined.
    1475             :   std::unique_ptr<ConstElemPointerRange> _refined_elements;
    1476             : 
    1477             :   /// The elements that were just coarsened.
    1478             :   std::unique_ptr<ConstElemPointerRange> _coarsened_elements;
    1479             : 
    1480             :   /**
    1481             :    * Map of Parent elements to child elements for elements that were just coarsened.
    1482             :    *
    1483             :    * NOTE: the child element pointers ARE PROBABLY INVALID.  Only use them for indexing!
    1484             :    */
    1485             :   std::map<const Elem *, std::vector<const Elem *>> _coarsened_element_children;
    1486             : 
    1487             :   /// Used for generating the semilocal node range
    1488             :   std::set<Node *> _semilocal_node_list;
    1489             : 
    1490             :   /**
    1491             :    * A range for use with threading.  We do this so that it doesn't have
    1492             :    * to get rebuilt all the time (which takes time).
    1493             :    */
    1494             :   std::unique_ptr<libMesh::ConstElemRange> _active_local_elem_range;
    1495             : 
    1496             :   std::unique_ptr<SemiLocalNodeRange> _active_semilocal_node_range;
    1497             :   std::unique_ptr<libMesh::NodeRange> _active_node_range;
    1498             :   std::unique_ptr<libMesh::ConstNodeRange> _local_node_range;
    1499             :   std::unique_ptr<libMesh::StoredRange<MooseMesh::const_bnd_node_iterator, const BndNode *>>
    1500             :       _bnd_node_range;
    1501             :   std::unique_ptr<libMesh::StoredRange<MooseMesh::const_bnd_elem_iterator, const BndElement *>>
    1502             :       _bnd_elem_range;
    1503             : 
    1504             :   /// A map of all of the current nodes to the elements that they are connected to.
    1505             :   std::map<dof_id_type, std::vector<dof_id_type>> _node_to_elem_map;
    1506             :   bool _node_to_elem_map_built;
    1507             : 
    1508             :   /// A map of all of the current nodes to the active elements that they are connected to.
    1509             :   std::map<dof_id_type, std::vector<dof_id_type>> _node_to_active_semilocal_elem_map;
    1510             :   bool _node_to_active_semilocal_elem_map_built;
    1511             : 
    1512             :   /**
    1513             :    * A set of subdomain IDs currently present in the mesh. For parallel meshes, includes subdomains
    1514             :    * defined on other processors as well.
    1515             :    */
    1516             :   std::set<SubdomainID> _mesh_subdomains;
    1517             : 
    1518             :   ///@{
    1519             :   /**
    1520             :    * A set of boundary IDs currently present in the mesh. In serial, this is equivalent to the
    1521             :    * values returned by _mesh.get_boundary_info().get_boundary_ids(). In parallel, it will contain
    1522             :    * off-processor boundary IDs as well.
    1523             :    */
    1524             :   std::set<BoundaryID> _mesh_boundary_ids;
    1525             :   std::set<BoundaryID> _mesh_sideset_ids;
    1526             :   std::set<BoundaryID> _mesh_nodeset_ids;
    1527             :   ///@}
    1528             : 
    1529             :   /// The boundary to normal map - valid only when AddAllSideSetsByNormals is active
    1530             :   std::unique_ptr<std::map<BoundaryID, RealVectorValue>> _boundary_to_normal_map;
    1531             : 
    1532             :   /// array of boundary nodes
    1533             :   std::vector<BndNode *> _bnd_nodes;
    1534             :   typedef std::vector<BndNode *>::iterator bnd_node_iterator_imp;
    1535             :   typedef std::vector<BndNode *>::const_iterator const_bnd_node_iterator_imp;
    1536             :   /// Map of sets of node IDs in each boundary
    1537             :   std::map<boundary_id_type, std::set<dof_id_type>> _bnd_node_ids;
    1538             : 
    1539             :   /// array of boundary elems
    1540             :   std::vector<BndElement *> _bnd_elems;
    1541             :   typedef std::vector<BndElement *>::iterator bnd_elem_iterator_imp;
    1542             :   typedef std::vector<BndElement *>::const_iterator const_bnd_elem_iterator_imp;
    1543             : 
    1544             :   /// Map of set of elem IDs connected to each boundary
    1545             :   std::unordered_map<boundary_id_type, std::unordered_set<dof_id_type>> _bnd_elem_ids;
    1546             : 
    1547             :   std::map<dof_id_type, Node *> _quadrature_nodes;
    1548             :   std::map<dof_id_type, std::map<unsigned int, std::map<dof_id_type, Node *>>>
    1549             :       _elem_to_side_to_qp_to_quadrature_nodes;
    1550             :   std::vector<BndNode> _extra_bnd_nodes;
    1551             : 
    1552             :   /// list of nodes that belongs to a specified block (domain)
    1553             :   std::map<dof_id_type, std::set<SubdomainID>> _block_node_list;
    1554             : 
    1555             :   /// list of nodes that belongs to a specified nodeset: indexing [nodeset_id] -> [array of node ids]
    1556             :   std::map<boundary_id_type, std::vector<dof_id_type>> _node_set_nodes;
    1557             : 
    1558             :   std::set<unsigned int> _ghosted_boundaries;
    1559             :   std::vector<Real> _ghosted_boundaries_inflation;
    1560             : 
    1561             :   /// The number of nodes to consider in the NearestNode neighborhood.
    1562             :   unsigned int _patch_size;
    1563             : 
    1564             :   /// The number of nearest neighbors to consider for ghosting purposes when iteration patch update strategy is used.
    1565             :   unsigned int _ghosting_patch_size;
    1566             : 
    1567             :   // The maximum number of points in each leaf of the KDTree used in the nearest neighbor search.
    1568             :   unsigned int _max_leaf_size;
    1569             : 
    1570             :   /// The patch update strategy
    1571             :   Moose::PatchUpdateType _patch_update_strategy;
    1572             : 
    1573             :   /// Vector of all the Nodes in the mesh for determining when to add a new point
    1574             :   std::vector<Node *> _node_map;
    1575             : 
    1576             :   /// Boolean indicating whether this mesh was detected to be regular and orthogonal
    1577             :   bool _regular_orthogonal_mesh;
    1578             : 
    1579             :   /// The bounds in each dimension of the mesh for regular orthogonal meshes
    1580             :   std::vector<std::vector<Real>> _bounds;
    1581             : 
    1582             :   /// A vector holding the paired boundaries for a regular orthogonal mesh
    1583             :   std::vector<std::pair<BoundaryID, BoundaryID>> _paired_boundary;
    1584             : 
    1585             :   /// Whether or not we are using a (pre-)split mesh (automatically DistributedMesh)
    1586             :   const bool _is_split;
    1587             : 
    1588             :   void cacheInfo();
    1589             :   void freeBndNodes();
    1590             :   void freeBndElems();
    1591             :   void setPartitionerHelper(MeshBase * mesh = nullptr);
    1592             : 
    1593             : private:
    1594             :   /// Map connecting elems with their corresponding ElemInfo, we use the element ID as
    1595             :   /// the key
    1596             :   mutable std::unordered_map<dof_id_type, ElemInfo> _elem_to_elem_info;
    1597             : 
    1598             :   /// Holds only those \p ElemInfo objects that have \p processor_id equal to this process's id,
    1599             :   /// e.g. the local \p ElemInfo objects
    1600             :   mutable std::vector<const ElemInfo *> _elem_info;
    1601             : 
    1602             :   /// FaceInfo object storing information for face based loops. This container holds all the \p
    1603             :   /// FaceInfo objects accessible from this process
    1604             :   mutable std::vector<FaceInfo> _all_face_info;
    1605             : 
    1606             :   /// Holds only those \p FaceInfo objects that have \p processor_id equal to this process's id,
    1607             :   /// e.g. the local \p FaceInfo objects
    1608             :   mutable std::vector<const FaceInfo *> _face_info;
    1609             : 
    1610             :   /// Map from elem-side pair to FaceInfo
    1611             :   mutable std::unordered_map<std::pair<const Elem *, unsigned int>, FaceInfo *>
    1612             :       _elem_side_to_face_info;
    1613             : 
    1614             :   // true if the _face_info member needs to be rebuilt/updated.
    1615             :   mutable bool _finite_volume_info_dirty = true;
    1616             : 
    1617             :   // True if we have cached elemental dofs ids for the linear finite volume variables.
    1618             :   // This happens in the first system which has a linear finite volume variable, considering
    1619             :   // that currently we only support one variable per linear system.
    1620             :   mutable bool _linear_finite_volume_dofs_cached = false;
    1621             : 
    1622             :   /**
    1623             :    * A map of vectors indicating which dimensions are periodic in a regular orthogonal mesh for
    1624             :    * the specified variable numbers.  This data structure is populated by addPeriodicVariable.
    1625             :    */
    1626             :   std::map<unsigned int, std::vector<bool>> _periodic_dim;
    1627             : 
    1628             :   /**
    1629             :    * A convenience vector used to hold values in each dimension representing half of the range.
    1630             :    */
    1631             :   RealVectorValue _half_range;
    1632             : 
    1633             :   /// A vector containing the nodes at the corners of a regular orthogonal mesh
    1634             :   std::vector<Node *> _extreme_nodes;
    1635             : 
    1636             :   /**
    1637             :    * This routine detects paired sidesets of a regular orthogonal mesh (.i.e. parallel sidesets
    1638             :    * "across" from one and other).
    1639             :    * The _paired_boundary datastructure is populated with this information.
    1640             :    */
    1641             :   void detectPairedSidesets();
    1642             : 
    1643             :   /**
    1644             :    * Build the refinement map for a given element type.  This will tell you what quadrature points
    1645             :    * to copy from and to for stateful material properties on newly created elements from Adaptivity.
    1646             :    *
    1647             :    * @param elem The element that represents the element type you need the refinement map for.
    1648             :    * @param qrule The quadrature rule in use.
    1649             :    * @param qrule_face The current face quadrature rule
    1650             :    * @param parent_side The side of the parent to map (-1 if not mapping parent sides)
    1651             :    * @param child The child number (-1 if not mapping child internal sides)
    1652             :    * @param child_side The side number of the child (-1 if not mapping sides)
    1653             :    */
    1654             :   void buildRefinementMap(const Elem & elem,
    1655             :                           libMesh::QBase & qrule,
    1656             :                           libMesh::QBase & qrule_face,
    1657             :                           int parent_side,
    1658             :                           int child,
    1659             :                           int child_side);
    1660             : 
    1661             :   /**
    1662             :    * Build the coarsening map for a given element type.  This will tell you what quadrature points
    1663             :    * to copy from and to for stateful material properties on newly created elements from Adaptivity.
    1664             :    *
    1665             :    * @param elem The element that represents the element type you need the coarsening map for.
    1666             :    * @param qrule The quadrature rule in use.
    1667             :    * @param qrule_face The current face quadrature rule
    1668             :    * @param input_side The side to map
    1669             :    */
    1670             :   void buildCoarseningMap(const Elem & elem,
    1671             :                           libMesh::QBase & qrule,
    1672             :                           libMesh::QBase & qrule_face,
    1673             :                           int input_side);
    1674             : 
    1675             :   /**
    1676             :    * Find the closest points that map "from" to "to" and fill up "qp_map".
    1677             :    * Essentially, for each point in "from" find the closest point in "to".
    1678             :    *
    1679             :    * @param from The reference positions in the parent of the the points we're mapping _from_
    1680             :    * @param to The reference positions in the parent of the the points we're mapping _to_
    1681             :    * @param qp_map This will be filled with QpMap objects holding the mappings.
    1682             :    */
    1683             :   void mapPoints(const std::vector<Point> & from,
    1684             :                  const std::vector<Point> & to,
    1685             :                  std::vector<QpMap> & qp_map);
    1686             : 
    1687             :   /**
    1688             :    * Given an elem type, get maps that tell us what qp's are closest to each other between a parent
    1689             :    * and it's children.
    1690             :    * This is mainly used for mapping stateful material properties during adaptivity.
    1691             :    *
    1692             :    * There are 3 cases here:
    1693             :    *
    1694             :    * 1. Volume to volume (parent_side = -1, child = -1, child_side = -1)
    1695             :    * 2. Parent side to child side (parent_side = 0+, child = -1, child_side = 0+)
    1696             :    * 3. Child side to parent volume (parent_side = -1, child = 0+, child_side = 0+)
    1697             :    *
    1698             :    * Case 3 only happens under refinement (need to invent data at internal child sides).
    1699             :    *
    1700             :    * @param template_elem An element of the type that we need to find the maps for
    1701             :    * @param qrule The quadrature rule that we need to find the maps for
    1702             :    * @param qrule_face The face quadrature rule that we need to find the maps for
    1703             :    * @param refinement_map The map to use when an element gets split
    1704             :    * @param coarsen_map The map to use when an element is coarsened.
    1705             :    * @param parent_side - the id of the parent's side
    1706             :    * @param child - the id of the child element
    1707             :    * @param child_side - The id of the child's side
    1708             :    */
    1709             :   void findAdaptivityQpMaps(const Elem * template_elem,
    1710             :                             libMesh::QBase & qrule,
    1711             :                             libMesh::QBase & qrule_face,
    1712             :                             std::vector<std::vector<QpMap>> & refinement_map,
    1713             :                             std::vector<std::pair<unsigned int, QpMap>> & coarsen_map,
    1714             :                             int parent_side,
    1715             :                             int child,
    1716             :                             int child_side);
    1717             : 
    1718             :   void buildHRefinementAndCoarseningMaps(Assembly * assembly);
    1719             : 
    1720             :   const std::vector<QpMap> & getPRefinementMapHelper(
    1721             :       const Elem & elem,
    1722             :       const std::map<std::pair<libMesh::ElemType, unsigned int>, std::vector<QpMap>> &) const;
    1723             :   const std::vector<QpMap> & getPCoarseningMapHelper(
    1724             :       const Elem & elem,
    1725             :       const std::map<std::pair<libMesh::ElemType, unsigned int>, std::vector<QpMap>> &) const;
    1726             : 
    1727             :   /**
    1728             :    * Update the coordinate transformation object based on our coordinate system data. The coordinate
    1729             :    * transformation will be created if it hasn't been already
    1730             :    */
    1731             :   void updateCoordTransform();
    1732             : 
    1733             :   /**
    1734             :    * Loop through all subdomain IDs and check if there is name duplication used for the subdomains
    1735             :    * with same ID. Throw out an error if any name duplication is found.
    1736             :    */
    1737             :   void checkDuplicateSubdomainNames();
    1738             : 
    1739             :   /// Holds mappings for volume to volume and parent side to child side
    1740             :   /// Map key:
    1741             :   /// - first member corresponds to element side. It's -1 for volume quadrature points
    1742             :   /// - second member correponds to the element type
    1743             :   /// Map value:
    1744             :   /// - Outermost index is the child element index
    1745             :   /// - Once we have indexed by the child element index, we have a std::vector of QpMaps. This
    1746             :   ///   vector is sized by the number of reference points in the child element. Then for each
    1747             :   ///   reference point in the child element we have a QpMap whose \p _from index corresponds to
    1748             :   ///   the child element reference point, a \p _to index which corresponds to the reference point
    1749             :   ///   on the parent element that the child element reference point is closest to, and a
    1750             :   ///   \p _distance member which is the distance between the mapped child and parent reference
    1751             :   ///   quadrature points
    1752             :   std::map<std::pair<int, libMesh::ElemType>, std::vector<std::vector<QpMap>>>
    1753             :       _elem_type_to_refinement_map;
    1754             : 
    1755             :   std::map<std::pair<libMesh::ElemType, unsigned int>, std::vector<QpMap>>
    1756             :       _elem_type_to_p_refinement_map;
    1757             :   std::map<std::pair<libMesh::ElemType, unsigned int>, std::vector<QpMap>>
    1758             :       _elem_type_to_p_refinement_side_map;
    1759             : 
    1760             :   /// Holds mappings for "internal" child sides to parent volume.  The second key is (child, child_side).
    1761             :   std::map<libMesh::ElemType, std::map<std::pair<int, int>, std::vector<std::vector<QpMap>>>>
    1762             :       _elem_type_to_child_side_refinement_map;
    1763             : 
    1764             :   /// Holds mappings for volume to volume and parent side to child side
    1765             :   /// Map key:
    1766             :   /// - first member corresponds to element side. It's -1 for volume quadrature points
    1767             :   /// - second member correponds to the element type
    1768             :   /// Map value:
    1769             :   /// - Vector is sized based on the number of quadrature points in the parent (e.g. coarser)
    1770             :   ///   element.
    1771             :   /// - For each parent quadrature point we store a pair
    1772             :   ///   - The first member of the pair identifies which child holds the closest refined-level
    1773             :   ///     quadrature point
    1774             :   ///   - The second member of the pair is the QpMap. The \p _from data member will correspond to
    1775             :   ///     the parent quadrature point index. The \p _to data member will correspond to which child
    1776             :   ///     element quadrature point is closest to the parent quadrature point. And \p _distance is
    1777             :   ///     the distance between the two
    1778             :   std::map<std::pair<int, libMesh::ElemType>, std::vector<std::pair<unsigned int, QpMap>>>
    1779             :       _elem_type_to_coarsening_map;
    1780             : 
    1781             :   std::map<std::pair<libMesh::ElemType, unsigned int>, std::vector<QpMap>>
    1782             :       _elem_type_to_p_coarsening_map;
    1783             :   std::map<std::pair<libMesh::ElemType, unsigned int>, std::vector<QpMap>>
    1784             :       _elem_type_to_p_coarsening_side_map;
    1785             : 
    1786             :   struct SubdomainData
    1787             :   {
    1788             :     /// Neighboring subdomain ids
    1789             :     std::set<SubdomainID> neighbor_subs;
    1790             : 
    1791             :     /// The boundary ids that are attached. This set will include any sideset boundary ID that
    1792             :     /// is a side of any part of the subdomain
    1793             :     std::set<BoundaryID> boundary_ids;
    1794             : 
    1795             :     /// Whether this subdomain is a lower-dimensional manifold of a higher-dimensional subdomain
    1796             :     bool is_lower_d;
    1797             :   };
    1798             : 
    1799             :   /// Holds a map from subdomain ids to associated data
    1800             :   std::unordered_map<SubdomainID, SubdomainData> _sub_to_data;
    1801             : 
    1802             :   /// Holds a map from neighbor subomdain ids to the boundary ids that are attached to it
    1803             :   std::unordered_map<SubdomainID, std::set<BoundaryID>> _neighbor_subdomain_boundary_ids;
    1804             : 
    1805             :   /// Mesh blocks for interior lower-d elements in different types
    1806             :   std::set<SubdomainID> _lower_d_interior_blocks;
    1807             :   /// Mesh blocks for boundary lower-d elements in different types
    1808             :   std::set<SubdomainID> _lower_d_boundary_blocks;
    1809             :   /// Holds a map from a high-order element side to its corresponding lower-d element
    1810             :   std::unordered_map<std::pair<const Elem *, unsigned short int>, const Elem *>
    1811             :       _higher_d_elem_side_to_lower_d_elem;
    1812             :   std::unordered_map<const Elem *, unsigned short int> _lower_d_elem_to_higher_d_elem_side;
    1813             : 
    1814             :   /// Whether there are any lower-dimensional blocks that are manifolds of higher-dimensional block
    1815             :   /// faces
    1816             :   bool _has_lower_d;
    1817             : 
    1818             :   /// Whether or not this Mesh is allowed to read a recovery file
    1819             :   bool _allow_recovery;
    1820             : 
    1821             :   /// Whether or not to allow generation of nodesets from sidesets
    1822             :   bool _construct_node_list_from_side_list;
    1823             : 
    1824             :   /// Whether we need to delete remote elements after init'ing the EquationSystems
    1825             :   bool _need_delete;
    1826             : 
    1827             :   /// Whether to allow removal of remote elements
    1828             :   bool _allow_remote_element_removal;
    1829             : 
    1830             :   /// Set of elements ghosted by ghostGhostedBoundaries
    1831             :   std::set<Elem *> _ghost_elems_from_ghost_boundaries;
    1832             : 
    1833             :   /// A parallel mesh generator such as DistributedRectilinearMeshGenerator
    1834             :   /// already make everything ready. We do not need to gather all boundaries to
    1835             :   /// every single processor. In general, we should avoid using ghostGhostedBoundaries
    1836             :   /// when possible since it is not scalable
    1837             :   bool _need_ghost_ghosted_boundaries;
    1838             : 
    1839             :   /// Unique element integer IDs for each subdomain and each extra element integers
    1840             :   std::vector<std::unordered_map<SubdomainID, std::set<dof_id_type>>> _block_id_mapping;
    1841             :   /// Maximum integer ID for each extra element integer
    1842             :   std::vector<dof_id_type> _max_ids;
    1843             :   /// Minimum integer ID for each extra element integer
    1844             :   std::vector<dof_id_type> _min_ids;
    1845             :   /// Flags to indicate whether or not any two extra element integers are the same
    1846             :   std::vector<std::vector<bool>> _id_identical_flag;
    1847             : 
    1848             :   /// Whether this mesh is displaced
    1849             :   bool _is_displaced;
    1850             : 
    1851             :   /// Build extra data for faster access to the information of extra element integers
    1852             :   void buildElemIDInfo();
    1853             : 
    1854             :   /// Build lower-d mesh for all sides
    1855             :   void buildLowerDMesh();
    1856             : 
    1857             :   /// Type of coordinate system per subdomain
    1858             :   std::map<SubdomainID, Moose::CoordinateSystemType> & _coord_sys;
    1859             : 
    1860             :   /// Storage for RZ axis selection
    1861             :   unsigned int _rz_coord_axis;
    1862             : 
    1863             :   /// Map of subdomain ID to general axisymmetric axis
    1864             :   std::unordered_map<SubdomainID, std::pair<Point, RealVectorValue>> _subdomain_id_to_rz_coord_axis;
    1865             : 
    1866             :   /// A coordinate transformation object that describes how to transform this problem's coordinate
    1867             :   /// system into the canonical/reference coordinate system
    1868             :   std::unique_ptr<MooseAppCoordTransform> _coord_transform;
    1869             : 
    1870             :   /// Whether the coordinate system has been set
    1871             :   bool _coord_system_set;
    1872             : 
    1873             :   /// Set for holding user-provided coordinate system type block names
    1874             :   std::vector<SubdomainName> _provided_coord_blocks;
    1875             : 
    1876             :   /// Whether we have p-refinement (as opposed to h-refinement)
    1877             :   bool _doing_p_refinement;
    1878             :   /// Maximum p-refinement level of all elements
    1879             :   unsigned int _max_p_level;
    1880             :   /// Maximum h-refinement level of all elements
    1881             :   unsigned int _max_h_level;
    1882             : 
    1883             :   template <typename T>
    1884             :   struct MeshType;
    1885             : };
    1886             : 
    1887             : inline MooseAppCoordTransform &
    1888      158441 : MooseMesh::coordTransform()
    1889             : {
    1890             :   mooseAssert(_coord_transform, "The coordinate transformation object is null.");
    1891      158441 :   return *_coord_transform;
    1892             : }
    1893             : 
    1894             : template <>
    1895             : struct MooseMesh::MeshType<libMesh::ReplicatedMesh>
    1896             : {
    1897             :   static const ParallelType value = ParallelType::REPLICATED;
    1898             : };
    1899             : 
    1900             : template <>
    1901             : struct MooseMesh::MeshType<libMesh::DistributedMesh>
    1902             : {
    1903             :   static const ParallelType value = ParallelType::DISTRIBUTED;
    1904             : };
    1905             : 
    1906             : /**
    1907             :  * The definition of the face_info_iterator struct.
    1908             :  */
    1909             : struct MooseMesh::face_info_iterator
    1910             :   : variant_filter_iterator<MeshBase::Predicate, const FaceInfo *>
    1911             : {
    1912             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    1913             :   template <typename PredType, typename IterType>
    1914      392404 :   face_info_iterator(const IterType & d, const IterType & e, const PredType & p)
    1915      392404 :     : variant_filter_iterator<MeshBase::Predicate, const FaceInfo *>(d, e, p)
    1916             :   {
    1917      392404 :   }
    1918             : };
    1919             : 
    1920             : /**
    1921             :  * The definition of the const_face_info_iterator struct. It is similar to the
    1922             :  * iterator above, but also provides an additional conversion-to-const ctor.
    1923             :  */
    1924             : struct MooseMesh::const_face_info_iterator : variant_filter_iterator<MeshBase::Predicate,
    1925             :                                                                      const FaceInfo * const,
    1926             :                                                                      const FaceInfo * const &,
    1927             :                                                                      const FaceInfo * const *>
    1928             : {
    1929             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    1930             :   template <typename PredType, typename IterType>
    1931             :   const_face_info_iterator(const IterType & d, const IterType & e, const PredType & p)
    1932             :     : variant_filter_iterator<MeshBase::Predicate,
    1933             :                               const FaceInfo * const,
    1934             :                               const FaceInfo * const &,
    1935             :                               const FaceInfo * const *>(d, e, p)
    1936             :   {
    1937             :   }
    1938             : 
    1939             :   // The conversion-to-const ctor.  Takes a regular iterator and calls the appropriate
    1940             :   // variant_filter_iterator copy constructor.  Note that this one is *not* templated!
    1941      392404 :   const_face_info_iterator(const MooseMesh::face_info_iterator & rhs)
    1942      392404 :     : variant_filter_iterator<MeshBase::Predicate,
    1943             :                               const FaceInfo * const,
    1944             :                               const FaceInfo * const &,
    1945      392404 :                               const FaceInfo * const *>(rhs)
    1946             :   {
    1947      392404 :   }
    1948             : };
    1949             : 
    1950             : /**
    1951             :  * The definition of the elem_info_iterator struct.
    1952             :  */
    1953             : struct MooseMesh::elem_info_iterator
    1954             :   : variant_filter_iterator<MeshBase::Predicate, const ElemInfo *>
    1955             : {
    1956             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    1957             :   template <typename PredType, typename IterType>
    1958       39160 :   elem_info_iterator(const IterType & d, const IterType & e, const PredType & p)
    1959       39160 :     : variant_filter_iterator<MeshBase::Predicate, const ElemInfo *>(d, e, p)
    1960             :   {
    1961       39160 :   }
    1962             : };
    1963             : 
    1964             : /**
    1965             :  * The definition of the const_elem_info_iterator struct. It is similar to the
    1966             :  * iterator above, but also provides an additional conversion-to-const ctor.
    1967             :  */
    1968             : struct MooseMesh::const_elem_info_iterator : variant_filter_iterator<MeshBase::Predicate,
    1969             :                                                                      const ElemInfo * const,
    1970             :                                                                      const ElemInfo * const &,
    1971             :                                                                      const ElemInfo * const *>
    1972             : {
    1973             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    1974             :   template <typename PredType, typename IterType>
    1975             :   const_elem_info_iterator(const IterType & d, const IterType & e, const PredType & p)
    1976             :     : variant_filter_iterator<MeshBase::Predicate,
    1977             :                               const ElemInfo * const,
    1978             :                               const ElemInfo * const &,
    1979             :                               const ElemInfo * const *>(d, e, p)
    1980             :   {
    1981             :   }
    1982             : 
    1983             :   // The conversion-to-const ctor.  Takes a regular iterator and calls the appropriate
    1984             :   // variant_filter_iterator copy constructor.  Note that this one is *not* templated!
    1985       39160 :   const_elem_info_iterator(const MooseMesh::elem_info_iterator & rhs)
    1986       39160 :     : variant_filter_iterator<MeshBase::Predicate,
    1987             :                               const ElemInfo * const,
    1988             :                               const ElemInfo * const &,
    1989       39160 :                               const ElemInfo * const *>(rhs)
    1990             :   {
    1991       39160 :   }
    1992             : };
    1993             : 
    1994             : /**
    1995             :  * The definition of the bnd_node_iterator struct.
    1996             :  */
    1997             : struct MooseMesh::bnd_node_iterator : variant_filter_iterator<MeshBase::Predicate, BndNode *>
    1998             : {
    1999             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    2000             :   template <typename PredType, typename IterType>
    2001      156602 :   bnd_node_iterator(const IterType & d, const IterType & e, const PredType & p)
    2002      156602 :     : variant_filter_iterator<MeshBase::Predicate, BndNode *>(d, e, p)
    2003             :   {
    2004      156602 :   }
    2005             : };
    2006             : 
    2007             : /**
    2008             :  * The definition of the const_bnd_node_iterator struct.  It is similar to the
    2009             :  * iterator above, but also provides an additional conversion-to-const ctor.
    2010             :  */
    2011             : struct MooseMesh::const_bnd_node_iterator : variant_filter_iterator<MeshBase::Predicate,
    2012             :                                                                     BndNode * const,
    2013             :                                                                     BndNode * const &,
    2014             :                                                                     BndNode * const *>
    2015             : {
    2016             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    2017             :   template <typename PredType, typename IterType>
    2018        2832 :   const_bnd_node_iterator(const IterType & d, const IterType & e, const PredType & p)
    2019             :     : variant_filter_iterator<MeshBase::Predicate,
    2020             :                               BndNode * const,
    2021             :                               BndNode * const &,
    2022        2832 :                               BndNode * const *>(d, e, p)
    2023             :   {
    2024        2832 :   }
    2025             : 
    2026             :   // The conversion-to-const ctor.  Takes a regular iterator and calls the appropriate
    2027             :   // variant_filter_iterator copy constructor.  Note that this one is *not* templated!
    2028      156602 :   const_bnd_node_iterator(const MooseMesh::bnd_node_iterator & rhs)
    2029      156602 :     : variant_filter_iterator<MeshBase::Predicate,
    2030             :                               BndNode * const,
    2031             :                               BndNode * const &,
    2032      156602 :                               BndNode * const *>(rhs)
    2033             :   {
    2034      156602 :   }
    2035             : };
    2036             : 
    2037             : /**
    2038             :  * The definition of the bnd_elem_iterator struct.
    2039             :  */
    2040             : struct MooseMesh::bnd_elem_iterator : variant_filter_iterator<MeshBase::Predicate, BndElement *>
    2041             : {
    2042             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    2043             :   template <typename PredType, typename IterType>
    2044      156604 :   bnd_elem_iterator(const IterType & d, const IterType & e, const PredType & p)
    2045      156604 :     : variant_filter_iterator<MeshBase::Predicate, BndElement *>(d, e, p)
    2046             :   {
    2047      156604 :   }
    2048             : };
    2049             : 
    2050             : /**
    2051             :  * The definition of the const_bnd_elem_iterator struct.  It is similar to the regular
    2052             :  * iterator above, but also provides an additional conversion-to-const ctor.
    2053             :  */
    2054             : struct MooseMesh::const_bnd_elem_iterator : variant_filter_iterator<MeshBase::Predicate,
    2055             :                                                                     BndElement * const,
    2056             :                                                                     BndElement * const &,
    2057             :                                                                     BndElement * const *>
    2058             : {
    2059             :   // Templated forwarding ctor -- forwards to appropriate variant_filter_iterator ctor
    2060             :   template <typename PredType, typename IterType>
    2061             :   const_bnd_elem_iterator(const IterType & d, const IterType & e, const PredType & p)
    2062             :     : variant_filter_iterator<MeshBase::Predicate,
    2063             :                               BndElement * const,
    2064             :                               BndElement * const &,
    2065             :                               BndElement * const *>(d, e, p)
    2066             :   {
    2067             :   }
    2068             : 
    2069             :   // The conversion-to-const ctor.  Takes a regular iterator and calls the appropriate
    2070             :   // variant_filter_iterator copy constructor.  Note that this one is *not* templated!
    2071      156296 :   const_bnd_elem_iterator(const bnd_elem_iterator & rhs)
    2072      156296 :     : variant_filter_iterator<MeshBase::Predicate,
    2073             :                               BndElement * const,
    2074             :                               BndElement * const &,
    2075      156296 :                               BndElement * const *>(rhs)
    2076             :   {
    2077      156296 :   }
    2078             : };
    2079             : 
    2080             : /**
    2081             :  * Some useful StoredRange typedefs.  These are defined *outside* the
    2082             :  * MooseMesh class to mimic the Const{Node,Elem}Range classes in libmesh.
    2083             :  */
    2084             : typedef libMesh::StoredRange<MooseMesh::const_bnd_node_iterator, const BndNode *> ConstBndNodeRange;
    2085             : typedef libMesh::StoredRange<MooseMesh::const_bnd_elem_iterator, const BndElement *>
    2086             :     ConstBndElemRange;
    2087             : 
    2088             : template <typename T>
    2089             : std::unique_ptr<T>
    2090       64340 : MooseMesh::buildTypedMesh(unsigned int dim)
    2091             : {
    2092             :   // If the requested mesh type to build doesn't match our current value for _use_distributed_mesh,
    2093             :   // then we need to make sure to make our state consistent because other objects, like the periodic
    2094             :   // boundary condition action, will be querying isDistributedMesh()
    2095       64340 :   if (_use_distributed_mesh != std::is_same<T, libMesh::DistributedMesh>::value)
    2096             :   {
    2097         752 :     if (getMeshPtr())
    2098           0 :       mooseError("A MooseMesh object is being asked to build a libMesh mesh that is a different "
    2099             :                  "parallel type than the libMesh mesh that it wraps. This is not allowed. Please "
    2100             :                  "create another MooseMesh object to wrap the new libMesh mesh");
    2101         752 :     setParallelType(MeshType<T>::value);
    2102             :   }
    2103             : 
    2104       64340 :   if (dim == libMesh::invalid_uint)
    2105             :   {
    2106       45585 :     if (isParamValid("dim"))
    2107       37594 :       dim = getParam<MooseEnum>("dim");
    2108             :     else
    2109             :       // Legacy selection of the default for the 'dim' parameter
    2110        7991 :       dim = 1;
    2111             :   }
    2112             : 
    2113       64340 :   auto mesh = std::make_unique<T>(_communicator, dim);
    2114             : 
    2115       64340 :   if (!getParam<bool>("allow_renumbering"))
    2116        1523 :     mesh->allow_renumbering(false);
    2117             : 
    2118       64340 :   mesh->allow_remote_element_removal(_allow_remote_element_removal);
    2119       64340 :   _app.attachRelationshipManagers(*mesh, *this);
    2120             : 
    2121       64340 :   if (_custom_partitioner_requested)
    2122             :   {
    2123             :     // Check of partitioner is supplied (not allowed if custom partitioner is used)
    2124        1560 :     if (!parameters().isParamSetByAddParam("partitioner"))
    2125           0 :       mooseError("If partitioner block is provided, partitioner keyword cannot be used!");
    2126             :     // Set custom partitioner
    2127        1560 :     if (!_custom_partitioner.get())
    2128           0 :       mooseError("Custom partitioner requested but not set!");
    2129        1560 :     mesh->partitioner() = _custom_partitioner->clone();
    2130             :   }
    2131             :   else
    2132       62780 :     setPartitionerHelper(mesh.get());
    2133             : 
    2134       64340 :   return mesh;
    2135           0 : }
    2136             : 
    2137             : inline bool
    2138        4803 : MooseMesh::skipDeletionRepartitionAfterRefine() const
    2139             : {
    2140        4803 :   return _skip_deletion_repartition_after_refine;
    2141             : }
    2142             : 
    2143             : inline void
    2144         819 : MooseMesh::setParallelType(ParallelType parallel_type)
    2145             : {
    2146         819 :   _parallel_type = parallel_type;
    2147         819 :   determineUseDistributedMesh();
    2148         819 : }
    2149             : 
    2150             : inline bool
    2151             : MooseMesh::hasElementID(const std::string & id_name) const
    2152             : {
    2153             :   return getMesh().has_elem_integer(id_name);
    2154             : }
    2155             : 
    2156             : inline unsigned int
    2157             : MooseMesh::getElementIDIndex(const std::string & id_name) const
    2158             : {
    2159             :   if (!hasElementID(id_name))
    2160             :     mooseError("Mesh does not have element ID for ", id_name);
    2161             :   return getMesh().get_elem_integer_index(id_name);
    2162             : }
    2163             : 
    2164             : inline bool
    2165             : MooseMesh::areElemIDsIdentical(const std::string & id_name1, const std::string & id_name2) const
    2166             : {
    2167             :   auto id1 = getElementIDIndex(id_name1);
    2168             :   auto id2 = getElementIDIndex(id_name2);
    2169             :   return _id_identical_flag[id1][id2];
    2170             : }
    2171             : 
    2172             : inline const std::vector<const FaceInfo *> &
    2173          38 : MooseMesh::faceInfo() const
    2174             : {
    2175          38 :   return _face_info;
    2176             : }
    2177             : 
    2178             : inline const std::vector<FaceInfo> &
    2179           2 : MooseMesh::allFaceInfo() const
    2180             : {
    2181           2 :   return _all_face_info;
    2182             : }
    2183             : 
    2184             : inline const std::map<boundary_id_type, std::vector<dof_id_type>> &
    2185             : MooseMesh::nodeSetNodes() const
    2186             : {
    2187             :   return _node_set_nodes;
    2188             : }
    2189             : 
    2190             : inline const std::unordered_map<std::pair<const Elem *, unsigned short int>, const Elem *> &
    2191             : MooseMesh::getLowerDElemMap() const
    2192             : {
    2193             :   return _higher_d_elem_side_to_lower_d_elem;
    2194             : }
    2195             : 
    2196             : inline bool
    2197      449549 : MooseMesh::isLowerD(const SubdomainID subdomain_id) const
    2198             : {
    2199      449549 :   return libmesh_map_find(_sub_to_data, subdomain_id).is_lower_d;
    2200             : }

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