PowerLawCreepStressUpdate.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 "RadialReturnCreepStressUpdateBase.h"

template <bool is_ad>
class PowerLawCreepStressUpdateTempl : public RadialReturnCreepStressUpdateBaseTempl<is_ad>
{
public:
  static InputParameters validParams();

  PowerLawCreepStressUpdateTempl(const InputParameters & parameters);

  virtual Real computeStrainEnergyRateDensity(
      const GenericMaterialProperty<RankTwoTensor, is_ad> & stress,
      const GenericMaterialProperty<RankTwoTensor, is_ad> & strain_rate) override;

  virtual bool substeppingCapabilityEnabled() override;

  virtual void resetIncrementalMaterialProperties() override;

  virtual void
  computeStressInitialize(const GenericReal<is_ad> & effective_trial_stress,
                          const GenericRankFourTensor<is_ad> & elasticity_tensor) override;
  virtual GenericReal<is_ad> computeResidual(const GenericReal<is_ad> & effective_trial_stress,
                                             const GenericReal<is_ad> & scalar) override
  {
    return computeResidualInternal<GenericReal<is_ad>>(effective_trial_stress, scalar);
  }
  virtual GenericReal<is_ad> computeDerivative(const GenericReal<is_ad> & effective_trial_stress,
                                               const GenericReal<is_ad> & scalar) override;
  virtual void
  computeStressFinalize(const GenericRankTwoTensor<is_ad> & plastic_strain_increment) override;

protected:
  virtual GenericChainedReal<is_ad>
  computeResidualAndDerivative(const GenericReal<is_ad> & effective_trial_stress,
                               const GenericChainedReal<is_ad> & scalar) override
  {
    return computeResidualInternal<GenericChainedReal<is_ad>>(effective_trial_stress, scalar);
  }

  const GenericVariableValue<is_ad> * const _temperature;

  const Real _coefficient;

  const Real _n_exponent;

  const Real _m_exponent;

  const Real _activation_energy;

  const Real _gas_constant;

  const Real _start_time;

  GenericReal<is_ad> _exponential;

  Real _exp_time;

  usingTransientInterfaceMembers;
  using RadialReturnCreepStressUpdateBaseTempl<is_ad>::_qp;
  using RadialReturnCreepStressUpdateBaseTempl<is_ad>::_three_shear_modulus;
  using RadialReturnCreepStressUpdateBaseTempl<is_ad>::_creep_strain;
  using RadialReturnCreepStressUpdateBaseTempl<is_ad>::_creep_strain_old;

private:
  template <typename ScalarType>
  ScalarType computeResidualInternal(const GenericReal<is_ad> & effective_trial_stress,
                                     const ScalarType & scalar);
};

typedef PowerLawCreepStressUpdateTempl<false> PowerLawCreepStressUpdate;
typedef PowerLawCreepStressUpdateTempl<true> ADPowerLawCreepStressUpdate;