MFEMVariable.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#ifdef MOOSE_MFEM_ENABLED
 
#pragma once
 
#include "MFEMObject.h"
 
class MFEMVariable : public MFEMObject
{
public:
  static InputParameters validParams();
 
  MFEMVariable(const InputParameters & parameters);
 
  std::shared_ptr<mfem::ParGridFunction> getGridFunction() const { return _gridfunction; }
 
  const VariableName & getTimeDerivativeName() const { return _time_derivative_name; }
 
  void declareCoefficients();
 
protected:
  std::shared_ptr<mfem::ParFiniteElementSpace> _par_fespace;
  bool _is_scalar = false;
 
private:
  const std::shared_ptr<mfem::ParGridFunction> buildGridFunction();
 
  std::shared_ptr<mfem::ParGridFunction> _gridfunction = nullptr;
 
  const VariableName _time_derivative_name;
};
 
#endif