XFEMMarkerAux.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
 
#include "XFEMMarkerAux.h"
 
#include "XFEM.h"
 
registerMooseObject("XFEMApp", XFEMMarkerAux);
 
InputParameters
XFEMMarkerAux::validParams()
{
  InputParameters params = AuxKernel::validParams();
  params.addClassDescription("Identify the crack tip elements.");
  return params;
}
 
XFEMMarkerAux::XFEMMarkerAux(const InputParameters & parameters) : AuxKernel(parameters)
{
  FEProblemBase * fe_problem = dynamic_cast<FEProblemBase *>(&_subproblem);
  if (fe_problem == nullptr)
    mooseError("Problem casting _subproblem to FEProblemBase in XFEMMarkerAux");
  _xfem = MooseSharedNamespace::dynamic_pointer_cast<XFEM>(fe_problem->getXFEM());
  if (_xfem == nullptr)
    mooseError("Problem casting to XFEM in XFEMMarkerAux");
  if (isNodal())
    mooseError("XFEMMarkerAux can only be run on an element variable");
}
 
Real
XFEMMarkerAux::computeValue()
{
  bool isCTE = _xfem->isElemAtCrackTip(_current_elem);
  Real value = 0.0;
  if (isCTE)
  {
    value = 1.0;
  }
 
  return value;
}