MatBodyForce.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 "MatBodyForce.h"
 
registerMooseObject("MooseApp", MatBodyForce);
registerMooseObject("MooseApp", ADMatBodyForce);
 
template <bool is_ad, class Parent>
InputParameters
MatBodyForceTempl<is_ad, Parent>::validParams()
{
  InputParameters params = Parent::validParams();
  params.addClassDescription("Kernel that defines a body force modified by a material property");
  params.addRequiredParam<MaterialPropertyName>("material_property",
                                                "Material property defining the body force");
  return params;
}
 
template <bool is_ad, class Parent>
MatBodyForceTempl<is_ad, Parent>::MatBodyForceTempl(const InputParameters & parameters)
  : Parent(parameters),
    _property(this->template getGenericMaterialProperty<Real, is_ad>("material_property"))
{
}
 
template <bool is_ad, class Parent>
GenericReal<is_ad>
MatBodyForceTempl<is_ad, Parent>::computeQpResidual()
{
  return Parent::computeQpResidual() * _property[_qp];
}
 
MatBodyForce::MatBodyForce(const InputParameters & parameters)
  : MatBodyForceParent(parameters),
    _dpropertydv(getMaterialPropertyDerivative<Real>("material_property", _var.name())),
    _dpropertydarg(_n_args)
{
  // Get derivatives of property wrt coupled variables
  for (unsigned int i = 0; i < _n_args; ++i)
    _dpropertydarg[i] = &getMaterialPropertyDerivative<Real>("material_property", i);
}
 
void
MatBodyForce::initialSetup()
{
  validateNonlinearCoupling<Real>("material_property");
}
 
Real
MatBodyForce::computeQpJacobian()
{
  return _dpropertydv[_qp] * BodyForce::computeQpResidual() * _phi[_j][_qp];
}
 
Real
MatBodyForce::computeQpOffDiagJacobian(unsigned int jvar)
{
  const unsigned int cvar = mapJvarToCvar(jvar);
  return (*_dpropertydarg[cvar])[_qp] * BodyForce::computeQpResidual() * _phi[_j][_qp];
}
 
template class MatBodyForceTempl<false,
                                 DerivativeMaterialInterface<JvarMapKernelInterface<BodyForce>>>;
template class MatBodyForceTempl<true, ADBodyForce>;