ADThermoDiffusion.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 "ADThermoDiffusion.h"
 
registerMooseObject("MiscApp", ADThermoDiffusion);
 
InputParameters
ADThermoDiffusion::validParams()
{
  InputParameters params = ADKernel::validParams();
  params.addClassDescription(
      "Calculates diffusion due to temperature gradient and Soret Coefficient");
  params.addRequiredCoupledVar("temperature", "The coupled temperature variable.");
  params.addParam<MaterialPropertyName>("soret_coefficient",
                                        "soret_coefficient",
                                        "The name of the Soret coefficient material property");
  return params;
}
 
ADThermoDiffusion::ADThermoDiffusion(const InputParameters & parameters)
  : ADKernel(parameters),
    _grad_temp(adCoupledGradient("temperature")),
    _soret_coeff(getADMaterialProperty<Real>("soret_coefficient"))
{
}
 
ADReal
ADThermoDiffusion::computeQpResidual()
{
  return _soret_coeff[_qp] * _grad_temp[_qp] * _grad_test[_i][_qp];
}