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             : #ifdef MOOSE_MFEM_ENABLED
      11             : 
      12             : #include "MFEMVariable.h"
      13             : #include "MFEMProblem.h"
      14             : #include "MooseVariableBase.h"
      15             : #include "libmesh/ignore_warnings.h"
      16             : #include <mfem.hpp>
      17             : #include "libmesh/restore_warnings.h"
      18             : 
      19             : registerMooseObject("MooseApp", MFEMVariable);
      20             : 
      21             : InputParameters
      22       10876 : MFEMVariable::validParams()
      23             : {
      24       10876 :   InputParameters params = MFEMGeneralUserObject::validParams();
      25             :   // Create user-facing 'boundary' input for restricting inheriting object to boundaries.
      26       32628 :   params.addRequiredParam<UserObjectName>("fespace",
      27             :                                           "The finite element space this variable is defined on.");
      28             :   // Require moose variable parameters (not used!)
      29       10876 :   params += MooseVariableBase::validParams();
      30       21752 :   params.addClassDescription(
      31             :       "Class for adding MFEM variables to the problem (`mfem::ParGridFunction`s).");
      32       21752 :   params.registerBase("MooseVariableBase");
      33       32628 :   params.addParam<VariableName>(
      34             :       "time_derivative",
      35             :       "Optional name to assign to the time derivative of the variable in transient problems.");
      36       10876 :   return params;
      37           0 : }
      38             : 
      39         879 : MFEMVariable::MFEMVariable(const InputParameters & parameters)
      40             :   : MFEMGeneralUserObject(parameters),
      41         879 :     _fespace(getUserObject<MFEMFESpace>("fespace")),
      42         879 :     _gridfunction(buildGridFunction()),
      43         887 :     _time_derivative_name(
      44        2637 :         isParamValid("time_derivative")
      45         879 :             ? getParam<VariableName>("time_derivative")
      46             :             : VariableName(
      47         871 :                   getMFEMProblem().getProblemData().time_derivative_map.createTimeDerivativeName(
      48        1750 :                       name())))
      49             : {
      50         879 :   *_gridfunction = 0.0;
      51         879 : }
      52             : 
      53             : const std::shared_ptr<mfem::ParGridFunction>
      54         879 : MFEMVariable::buildGridFunction()
      55             : {
      56         879 :   return std::make_shared<mfem::ParGridFunction>(_fespace.getFESpace().get());
      57             : }
      58             : 
      59             : #endif