MFEMDomainLFKernel.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
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//* 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

#include "MFEMDomainLFKernel.h"
#include "MFEMProblem.h"

registerMooseObject("MooseApp", MFEMDomainLFKernel);

InputParameters
MFEMDomainLFKernel::validParams()
{
  InputParameters params = MFEMKernel::validParams();
  params.addClassDescription("Adds the domain integrator to an MFEM problem for the linear form "
                             "$(f, v)_\\Omega$ "
                             "arising from the weak form of the forcing term $f$.");
  params.addParam<MFEMScalarCoefficientName>(
      "coefficient", "1.", "Name of scalar coefficient $f$.");
  return params;
}

MFEMDomainLFKernel::MFEMDomainLFKernel(const InputParameters & parameters)
  : MFEMKernel(parameters), _coef(getScalarCoefficient("coefficient"))
{
}

mfem::LinearFormIntegrator *
MFEMDomainLFKernel::createLFIntegrator()
{
  return new mfem::DomainLFIntegrator(_coef);
}

#endif