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 "CappedWeakPlaneStressUpdate.h"
      13             : 
      14             : /**
      15             :  * CappedWeakPlaneCosseratStressUpdate performs the return-map
      16             :  * algorithm and associated stress updates for plastic
      17             :  * models that describe capped weak-plane Cosserat plasticity
      18             :  *
      19             :  * It assumes various things about the elasticity tensor, viz
      20             :  * E(i,i,j,k) = 0 except if k=j
      21             :  * E(0,0,i,j) = E(1,1,i,j)
      22             :  */
      23             : class CappedWeakPlaneCosseratStressUpdate : public CappedWeakPlaneStressUpdate
      24             : {
      25             : public:
      26             :   static InputParameters validParams();
      27             : 
      28             :   CappedWeakPlaneCosseratStressUpdate(const InputParameters & parameters);
      29             : 
      30             :   /**
      31             :    * Does the model require the elasticity tensor to be isotropic?
      32             :    */
      33         144 :   bool requiresIsotropicTensor() override { return false; }
      34             : 
      35             : protected:
      36             :   virtual void consistentTangentOperator(const RankTwoTensor & stress_trial,
      37             :                                          Real p_trial,
      38             :                                          Real q_trial,
      39             :                                          const RankTwoTensor & stress,
      40             :                                          Real p,
      41             :                                          Real q,
      42             :                                          Real gaE,
      43             :                                          const yieldAndFlow & smoothed_q,
      44             :                                          const RankFourTensor & Eijkl,
      45             :                                          bool compute_full_tangent_operator,
      46             :                                          RankFourTensor & cto) const override;
      47             : 
      48             :   virtual void setStressAfterReturn(const RankTwoTensor & stress_trial,
      49             :                                     Real p_ok,
      50             :                                     Real q_ok,
      51             :                                     Real gaE,
      52             :                                     const std::vector<Real> & intnl,
      53             :                                     const yieldAndFlow & smoothed_q,
      54             :                                     const RankFourTensor & Eijkl,
      55             :                                     RankTwoTensor & stress) const override;
      56             : 
      57             :   virtual RankTwoTensor dqdstress(const RankTwoTensor & stress) const override;
      58             : 
      59             :   virtual RankFourTensor d2qdstress2(const RankTwoTensor & stress) const override;
      60             : };