SwitchingFunctionPenalty.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 "DerivativeMaterialInterface.h"

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

  SwitchingFunctionPenalty(const InputParameters & parameters);

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

  std::vector<MaterialPropertyName> _h_names;
  unsigned int _num_h;

  std::vector<const MaterialProperty<Real> *> _h, _dh;
  const MaterialProperty<Real> * _d2h;

  const Real _penalty;

  const unsigned int _number_of_nl_variables;

  std::vector<int> _j_eta;

  int _a;
};