SmoothMesh.C

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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
 
#include "SmoothMesh.h"
 
// MOOSE includes
#include "MooseMesh.h"
 
// libMesh includes
#include "libmesh/mesh_smoother_laplace.h"
#include "libmesh/unstructured_mesh.h"
 
registerMooseObjectReplaced("MooseApp", SmoothMesh, "11/30/2019 00:00", SmoothMeshGeneraotr);
 
template <>
InputParameters
validParams<SmoothMesh>()
{
  InputParameters params = validParams<MeshModifier>();
 
  params.addClassDescription("Utilizes a simple Laplacian based smoother to attempt to improve "
                             "mesh quality.  Will not move boundary nodes or nodes along "
                             "block/subdomain boundaries");
 
  params.addParam<unsigned int>("iterations", 1, "The number of smoothing iterations to do.");
 
  return params;
}
 
SmoothMesh::SmoothMesh(const InputParameters & parameters)
  : MeshModifier(parameters), _iterations(getParam<unsigned int>("iterations"))
{
}
 
void
SmoothMesh::modify()
{
  // Check that we have access to the mesh
  if (!_mesh_ptr)
    mooseError("_mesh_ptr must be initialized before calling SmoothMesh::modify()");
 
  LaplaceMeshSmoother lms(static_cast<UnstructuredMesh &>(_mesh_ptr->getMesh()));
 
  lms.smooth(_iterations);
}