MFEMMeshGeneratorMesh.C

Go to the documentation of this file.

//* 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 "MFEMMeshGeneratorMesh.h"
#include "MFEMMeshCarrier.h"
#include "libmesh/mesh_generation.h"
 
registerMooseObject("MooseApp", MFEMMeshGeneratorMesh);
 
InputParameters
MFEMMeshGeneratorMesh::validParams()
{
  InputParameters params = MFEMMesh::validParams();
 
  // Mark this as a mesh-generator-based mesh so SetupMeshAction routes the
  // pipeline output to us via setMeshBase() before buildMesh() is called.
  params.set<bool>("_mesh_generator_mesh") = true;
 
  params.addClassDescription(
      "Mesh type for building an mfem::ParMesh from a chain of MFEMMeshGenerator objects.");
 
  return params;
}
 
MFEMMeshGeneratorMesh::MFEMMeshGeneratorMesh(const InputParameters & parameters)
  : MFEMMesh(parameters)
{
}
 
std::unique_ptr<MooseMesh>
MFEMMeshGeneratorMesh::safeClone() const
{
  return _app.getFactory().copyConstruct(*this);
}
 
mfem::Mesh
MFEMMeshGeneratorMesh::buildSerialMFEMMesh()
{
  if (!hasMeshBase())
    mooseError("MFEMMeshGeneratorMesh: the mesh base has not been set. "
               "Ensure MFEM mesh generators are present in the input file.");
 
  auto * carrier = dynamic_cast<MFEMMeshCarrier *>(&getMesh());
  if (!carrier)
    mooseError("MFEMMeshGeneratorMesh requires the final mesh generator to produce an MFEM mesh. "
               "If you are using libMesh generators, use MeshGeneratorMesh instead.");
 
  return std::move(*carrier->releaseMFEMMesh());
}
 
#endif