doxygen/moose/MFEMDivAux_8h_source.html

//* This file is part of the MOOSE framework

//* https://mooseframework.inl.gov

//*

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//* https://github.com/idaholab/moose/blob/master/COPYRIGHT

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//* 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 "libmesh/ignore_warnings.h"

#include "mfem/miniapps/common/pfem_extras.hpp"

#include "libmesh/restore_warnings.h"

#include "MFEMAuxKernel.h"


class MFEMDivAux : public MFEMAuxKernel

{

public:

  static InputParameters validParams();


  MFEMDivAux(const InputParameters & parameters);


  virtual ~MFEMDivAux() = default;


  virtual void execute() override;


  // Updates divergence operator.

  virtual void update() override;


protected:

  const VariableName _source_var_name;

  const mfem::ParGridFunction & _source_var;

  const mfem::real_t _scale_factor;

  mfem::common::ParDiscreteDivOperator _div;

};


#endif

MFEMAuxKernel.h

InputParameters
The main MOOSE class responsible for handling user-defined parameters in almost every MOOSE system.
Definition InputParameters.h:68

MFEMAuxKernel
Class to construct an auxiliary solver used to update a real auxvariable.
Definition MFEMAuxKernel.h:21

MFEMDivAux
Class to set an L2 auxvariable to be the divergence of an H(div) vector variable.
Definition MFEMDivAux.h:23

MFEMDivAux::_source_var_name
const VariableName _source_var_name
Name of source MFEMVariable to take the divergence of.
Definition MFEMDivAux.h:39

MFEMDivAux::_source_var
const mfem::ParGridFunction & _source_var
Reference to source gridfunction.
Definition MFEMDivAux.h:41

MFEMDivAux::_div
mfem::common::ParDiscreteDivOperator _div
Divergence operator.
Definition MFEMDivAux.h:45

MFEMDivAux::validParams
static InputParameters validParams()
Definition MFEMDivAux.C:18

MFEMDivAux::~MFEMDivAux
virtual ~MFEMDivAux()=default

MFEMDivAux::execute
virtual void execute() override
Computes the auxvariable.
Definition MFEMDivAux.C:44

MFEMDivAux::_scale_factor
const mfem::real_t _scale_factor
Scalar factor to multiply the result by.
Definition MFEMDivAux.h:43

MFEMDivAux::update
virtual void update() override
Method called to update any owned objects upon an FE space update.
Definition MFEMDivAux.C:51

MooseBase::parameters
const InputParameters & parameters() const
Get the parameters of the object.
Definition MooseBase.h:131