IsotropicPowerLawHardeningStressUpdate.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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 "IsotropicPlasticityStressUpdate.h"
#include "MooseMesh.h"
 
class IsotropicPowerLawHardeningStressUpdate;
 
template <>
InputParameters validParams<IsotropicPowerLawHardeningStressUpdate>();
 
class IsotropicPowerLawHardeningStressUpdate : public IsotropicPlasticityStressUpdate
{
public:
  static InputParameters validParams();
 
  IsotropicPowerLawHardeningStressUpdate(const InputParameters & parameters);
 
protected:
  virtual void computeStressInitialize(const Real effective_trial_stress,
                                       const RankFourTensor & elasticity_tensor) override;
  virtual void computeYieldStress(const RankFourTensor & elasticity_tensor) override;
  virtual Real computeHardeningDerivative(Real scalar) override;
 
  Real _K;
  Real _strain_hardening_exponent;
 
  Real _youngs_modulus;
 
  Real _effective_trial_stress;
 
  Real getIsotropicLameLambda(const RankFourTensor & elasticity_tensor);
};