ChemicalOutFlowBC.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 "ChemicalOutFlowBC.h"
 
registerMooseObject("ChemicalReactionsApp", ChemicalOutFlowBC);
 
InputParameters
ChemicalOutFlowBC::validParams()
{
  InputParameters params = IntegratedBC::validParams();
  params.addClassDescription("Chemical flux boundary condition");
  return params;
}
 
ChemicalOutFlowBC::ChemicalOutFlowBC(const InputParameters & parameters)
  : IntegratedBC(parameters),
    _diff(getMaterialProperty<Real>("diffusivity")),
    _porosity(getMaterialProperty<Real>("porosity"))
{
}
 
Real
ChemicalOutFlowBC::computeQpResidual()
{
  return -_test[_i][_qp] * _porosity[_qp] * _diff[_qp] * _grad_u[_qp] * _normals[_qp];
}
 
Real
ChemicalOutFlowBC::computeQpJacobian()
{
  return -_test[_i][_qp] * _porosity[_qp] * _diff[_qp] * _grad_phi[_j][_qp] * _normals[_qp];
}