ThermoDiffusion.h

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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
 
#pragma once
 
#include "Kernel.h"
#include "Material.h"
 
class ThermoDiffusion : public Kernel
{
public:
  static InputParameters validParams();
 
  ThermoDiffusion(const InputParameters & parameters);
 
protected:
  virtual Real computeQpResidual();
 
  virtual Real computeQpJacobian();
 
  virtual Real computeQpOffDiagJacobian(unsigned int jvar);
 
private:
  RealGradient thermoDiffusionVelocity() const;
 
  const VariableValue & _temperature;
  const VariableGradient & _grad_temperature;
  const MaterialProperty<Real> & _mass_diffusivity;
  const MaterialProperty<Real> & _heat_of_transport;
  const Real _gas_constant;
  const unsigned int _temperature_index;
};