SLKKSChemicalPotential.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 "JvarMapInterface.h"
#include "DerivativeMaterialInterface.h"

class SLKKSChemicalPotential : public DerivativeMaterialInterface<JvarMapKernelInterface<Kernel>>
{
public:
  static InputParameters validParams();

  SLKKSChemicalPotential(const InputParameters & parameters);

protected:
  virtual Real computeQpResidual();
  virtual Real computeQpJacobian();
  virtual Real computeQpOffDiagJacobian(unsigned int jvar);
  virtual void initialSetup();

private:
  unsigned int _cs_var;
  VariableName _cs_name;

  const MaterialProperty<Real> & _dFdu;
  const MaterialProperty<Real> & _dFdcs;
  const MaterialProperty<Real> & _d2Fdu2;
  const MaterialProperty<Real> & _d2Fdcsu;

  const Real _a_u;
  const Real _a_cs;

  std::vector<const MaterialProperty<Real> *> _d2Fdudarg;
  std::vector<const MaterialProperty<Real> *> _d2Fdcsdarg;
};