MFEMBoundaryNormalIntegratedBC.C

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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
 
#include "MFEMBoundaryNormalIntegratedBC.h"
 
registerMooseObject("MooseApp", MFEMBoundaryNormalIntegratedBC);
 
InputParameters
MFEMBoundaryNormalIntegratedBC::validParams()
{
  InputParameters params = MFEMIntegratedBC::validParams();
  params.addClassDescription("Adds the boundary integrator to an MFEM problem for the linear form "
                             "$(\\vec f \\cdot \\hat n, v)_{\\partial\\Omega}$");
  params.addParam<MFEMVectorCoefficientName>(
      "vector_coefficient",
      "1. 1. 1.",
      "Vector coefficient whose normal component will be used in the integrated BC");
  return params;
}
 
// TODO: Currently assumes the vector function coefficient is 3D
MFEMBoundaryNormalIntegratedBC::MFEMBoundaryNormalIntegratedBC(const InputParameters & parameters)
  : MFEMIntegratedBC(parameters), _vec_coef(getVectorCoefficient("vector_coefficient"))
{
}
 
// Create a new MFEM integrator to apply to the RHS of the weak form. Ownership managed by the
// caller.
mfem::LinearFormIntegrator *
MFEMBoundaryNormalIntegratedBC::createLFIntegrator()
{
  return new mfem::BoundaryNormalLFIntegrator(_vec_coef);
}
 
#endif