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 MFEM_ENABLED
      11             : 
      12             : #include "MFEMVariable.h"
      13             : #include "MooseVariableBase.h"
      14             : #include "libmesh/ignore_warnings.h"
      15             : #include <mfem.hpp>
      16             : #include "libmesh/restore_warnings.h"
      17             : 
      18             : registerMooseObject("MooseApp", MFEMVariable);
      19             : 
      20             : InputParameters
      21        9106 : MFEMVariable::validParams()
      22             : {
      23        9106 :   InputParameters params = MFEMGeneralUserObject::validParams();
      24             :   // Create user-facing 'boundary' input for restricting inheriting object to boundaries.
      25        9106 :   params.addRequiredParam<UserObjectName>("fespace",
      26             :                                           "The finite element space this variable is defined on.");
      27             :   // Require moose variable parameters (not used!)
      28        9106 :   params += MooseVariableBase::validParams();
      29        9106 :   params.addClassDescription(
      30             :       "Class for adding MFEM variables to the problem (`mfem::ParGridFunction`s).");
      31        9106 :   params.registerBase("MooseVariableBase");
      32        9106 :   return params;
      33           0 : }
      34             : 
      35         250 : MFEMVariable::MFEMVariable(const InputParameters & parameters)
      36             :   : MFEMGeneralUserObject(parameters),
      37         250 :     _fespace(getUserObject<MFEMFESpace>("fespace")),
      38         500 :     _gridfunction(buildGridFunction())
      39             : {
      40         250 :   *_gridfunction = 0.0;
      41         250 : }
      42             : 
      43             : const std::shared_ptr<mfem::ParGridFunction>
      44         250 : MFEMVariable::buildGridFunction()
      45             : {
      46         500 :   return std::make_shared<mfem::ParGridFunction>(_fespace.getFESpace().get());
      47             : }
      48             : 
      49             : #endif