ADCHSplitChemicalPotential.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
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//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#include "ADCHSplitChemicalPotential.h"

registerMooseObject("PhaseFieldApp", ADCHSplitChemicalPotential);

InputParameters
ADCHSplitChemicalPotential::validParams()
{
  InputParameters params = ADKernel::validParams();
  params.addClassDescription("Chemical potential kernel in Split Cahn-Hilliard that solves "
                             "chemical potential in a weak form");
  params.addRequiredParam<MaterialPropertyName>("chemical_potential",
                                                "Chemical potential property name");
  return params;
}

ADCHSplitChemicalPotential::ADCHSplitChemicalPotential(const InputParameters & parameters)
  : ADKernel(parameters), _chemical_potential(getADMaterialProperty<Real>("chemical_potential"))
{
}

ADReal
ADCHSplitChemicalPotential::computeQpResidual()
{
  return _test[_i][_qp] * (_u[_qp] - _chemical_potential[_qp]);
}