Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://www.mooseframework.org
       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             : #include "ComputeIncrementalStrainBase.h"
      12             : #include "Material.h"
      13             : #include "RankTwoTensor.h"
      14             : #include "RankFourTensor.h"
      15             : #include "RotationTensor.h"
      16             : #include "Assembly.h"
      17             : #include "CrackFrontDefinition.h"
      18             : #include "EnrichmentFunctionCalculation.h"
      19             : 
      20             : /**
      21             :  * ComputeIncrementalStrain defines a strain increment and rotation increment (=1), for small
      22             :  * strains.
      23             :  */
      24             : class ComputeCrackTipEnrichmentIncrementalStrain : public ComputeIncrementalStrainBase,
      25             :                                                    public EnrichmentFunctionCalculation
      26             : {
      27             : public:
      28             :   static InputParameters validParams();
      29             : 
      30             :   ComputeCrackTipEnrichmentIncrementalStrain(const InputParameters & parameters);
      31          48 :   virtual ~ComputeCrackTipEnrichmentIncrementalStrain() {}
      32             :   virtual void computeProperties() override;
      33             : 
      34             : protected:
      35             :   /// enrichment displacement
      36             :   std::vector<Real> _enrich_disp;
      37             : 
      38             :   /// gradient of enrichment displacement
      39             :   std::vector<RealVectorValue> _grad_enrich_disp;
      40             :   std::vector<RealVectorValue> _grad_enrich_disp_old;
      41             : 
      42             :   /// enrichment displacement variables
      43             :   std::vector<std::vector<MooseVariableFEBase *>> _enrich_variable;
      44             : 
      45             :   /// the current shape functions
      46             :   const VariablePhiValue & _phi;
      47             : 
      48             :   /// gradient of the shape function
      49             :   const VariablePhiGradient & _grad_phi;
      50             : 
      51             :   /// gradient of the enriched solution
      52             :   MaterialProperty<RankTwoTensor> & _grad_enrich_disp_tensor;
      53             :   const MaterialProperty<RankTwoTensor> & _grad_enrich_disp_tensor_old;
      54             : 
      55             : private:
      56             :   /// enrichment function value
      57             :   std::vector<Real> _B;
      58             :   /// derivatives of enrichment function respect to global cooridnate
      59             :   std::vector<RealVectorValue> _dBX;
      60             :   /// derivatives of enrichment function respect to crack front cooridnate
      61             :   std::vector<RealVectorValue> _dBx;
      62             :   /// enrichment function at node I
      63             :   std::vector<std::vector<Real>> _BI;
      64             :   /// shape function
      65             :   const std::vector<std::vector<Real>> * _fe_phi;
      66             :   /// gradient of shape function
      67             :   const std::vector<std::vector<RealGradient>> * _fe_dphi;
      68             :   NonlinearSystem * _nl;
      69             :   const NumericVector<Number> * _sln;
      70             : };