SolidMechanicsPlasticIsotropicSD.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 "SolidMechanicsPlasticJ2.h"
#include "RankFourTensor.h"
 
class SolidMechanicsPlasticIsotropicSD : public SolidMechanicsPlasticJ2
{
public:
  static InputParameters validParams();
 
  SolidMechanicsPlasticIsotropicSD(const InputParameters & parameters);
 
protected:
  const Real _b;
 
  Real _c;
 
  const bool _associative;
 
  RankFourTensor _h;
 
  Real _a;
 
  Real dphi_dj2(const Real j2, const Real j3) const;
 
  Real dphi_dj3(const Real j2, const Real j3) const;
 
  Real dfj2_dj2(const Real j2, const Real j3) const;
 
  Real dfj2_dj3(const Real j2, const Real j3) const;
 
  Real dfj3_dj2(const Real j2, const Real j3) const;
 
  Real dfj3_dj3(const Real j2, const Real j3) const;
 
  RankTwoTensor dI_sigma() const;
 
  RankTwoTensor dj2_dSkl(const RankTwoTensor & stress) const;
 
  Real yieldFunction(const RankTwoTensor & stress, Real intnl) const override;
 
  RankTwoTensor dyieldFunction_dstress(const RankTwoTensor & stress, Real intnl) const override;
 
  RankFourTensor dflowPotential_dstress(const RankTwoTensor & stress, Real intnl) const override;
 
  RankTwoTensor flowPotential(const RankTwoTensor & stress, Real intnl) const override;
};