Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #pragma once
      11             : 
      12             : #include "RadialReturnStressUpdate.h"
      13             : 
      14             : /**
      15             :  * This class provides baseline functionallity for creep models based on the stress update material
      16             :  * in a radial return isotropic creep calculations.
      17             :  */
      18             : template <bool is_ad>
      19             : class RadialReturnCreepStressUpdateBaseTempl : public RadialReturnStressUpdateTempl<is_ad>
      20             : {
      21             : public:
      22             :   static InputParameters validParams();
      23             : 
      24             :   RadialReturnCreepStressUpdateBaseTempl(const InputParameters & parameters);
      25             : 
      26             :   using Material::_qp;
      27             :   using RadialReturnStressUpdateTempl<is_ad>::propagateQpStatefulPropertiesRadialReturn;
      28             :   using SingleVariableReturnMappingSolutionTempl<is_ad>::computeDerivative;
      29             : 
      30             : protected:
      31             :   virtual void initQpStatefulProperties() override;
      32             :   virtual void propagateQpStatefulProperties() override;
      33             :   virtual void
      34             :   computeStressFinalize(const GenericRankTwoTensor<is_ad> & plastic_strain_increment) override;
      35             : 
      36             :   /**
      37             :    * This method returns the derivative of the creep strain with respect to the von mises stress. It
      38             :    * assumes the stress delta (von mises stress used to determine the creep rate) is calculated as:
      39             :    * effective_trial_stress - _three_shear_modulus * scalar
      40             :    */
      41             :   virtual Real computeStressDerivative(const Real effective_trial_stress,
      42             :                                        const Real scalar) override;
      43             : 
      44             :   /*
      45             :    * Method that determines the tangent calculation method. For creep only models, the tangent
      46             :    * calculation method is always PARTIAL
      47             :    */
      48      510492 :   virtual TangentCalculationMethod getTangentCalculationMethod() override
      49             :   {
      50      510492 :     return TangentCalculationMethod::PARTIAL;
      51             :   }
      52             : 
      53             :   /// Creep strain material property
      54             :   GenericMaterialProperty<RankTwoTensor, is_ad> & _creep_strain;
      55             :   const MaterialProperty<RankTwoTensor> & _creep_strain_old;
      56             : };
      57             : 
      58             : typedef RadialReturnCreepStressUpdateBaseTempl<false> RadialReturnCreepStressUpdateBase;
      59             : typedef RadialReturnCreepStressUpdateBaseTempl<true> ADRadialReturnCreepStressUpdateBase;