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 "TwoVector.h"
      13             : #include "PenaltyWeightedGapUserObject.h"
      14             : #include "WeightedVelocitiesUserObject.h"
      15             : #include "AugmentedLagrangeInterface.h"
      16             : 
      17             : /**
      18             :  * Base class for mortar-based cohesive zone model.
      19             :  */
      20             : class CohesiveZoneModelBase : virtual public PenaltyWeightedGapUserObject,
      21             :                               virtual public WeightedVelocitiesUserObject
      22             : {
      23             : public:
      24             :   static InputParameters validParams();
      25             : 
      26             :   CohesiveZoneModelBase(const InputParameters & parameters);
      27             : 
      28             :   virtual const ADVariableValue & contactTangentialPressureDirOne() const override;
      29             :   virtual const ADVariableValue & contactTangentialPressureDirTwo() const override;
      30             : 
      31             :   virtual void initialize() override;
      32             :   virtual void finalize() override;
      33             :   virtual void reinit() override;
      34             :   virtual void timestepSetup() override;
      35             :   virtual const ADVariableValue & czmGlobalTraction(unsigned int i) const;
      36             : 
      37             : protected:
      38             :   virtual void computeQpProperties() override;
      39             :   virtual void computeQpIProperties() override;
      40             : 
      41             :   virtual const VariableTestValue & test() const override;
      42           0 :   virtual bool constrainedByOwner() const override { return false; }
      43             : 
      44             :   // Compute CZM kinematics.
      45             :   virtual void prepareJumpKinematicQuantities();
      46             :   virtual void computeFandR(const Node * const node);
      47             : 
      48             :   /// Encapsulate the CZM constitutive behavior.
      49             :   virtual void computeCZMTraction(const Node * const /*node*/) = 0;
      50             : 
      51             :   virtual void computeDamage(const Node * const /*node*/) = 0;
      52             : 
      53             :   /// Compute global traction for mortar application.
      54             :   virtual void computeGlobalTraction(const Node * const node);
      55             : 
      56             :   /// Normalize mortar quantities (remove mortar integral scaling)
      57             :   template <class T>
      58      322632 :   T normalizeQuantity(const std::unordered_map<const DofObject *, T> & map, const Node * const node)
      59             :   {
      60      322632 :     return libmesh_map_find(map, node) / _dof_to_weighted_gap[node].second;
      61             :   }
      62             : 
      63             :   /// Number of displacement components
      64             :   const unsigned int _ndisp;
      65             : 
      66             :   /// Coupled displacement gradients
      67             :   std::vector<const GenericVariableGradient<true> *> _grad_disp;
      68             : 
      69             :   /// Coupled displacement and neighbor displacement gradient
      70             :   std::vector<const GenericVariableGradient<true> *> _grad_disp_neighbor;
      71             : 
      72             :   /// *** Kinematics/displacement jump quantities ***
      73             :   /// Map from degree of freedom to rotation matrix
      74             :   std::unordered_map<const DofObject *, ADRankTwoTensor> _dof_to_rotation_matrix;
      75             : 
      76             :   /// Map from degree of freedom to local displacement jump
      77             :   std::unordered_map<const DofObject *, ADRealVectorValue> _dof_to_interface_displacement_jump;
      78             : 
      79             :   /// Deformation gradient for interpolation
      80             :   ADRankTwoTensor _F_interpolation;
      81             : 
      82             :   /// Deformation gradient for interpolation of the neighbor projection
      83             :   ADRankTwoTensor _F_neighbor_interpolation;
      84             : 
      85             :   /// Map from degree of freedom to secondary, interpolated deformation gradient tensor
      86             :   std::unordered_map<const DofObject *, ADRankTwoTensor> _dof_to_F;
      87             : 
      88             :   /// Map from degree of freedom to neighbor, interpolated deformation gradient tensor
      89             :   std::unordered_map<const DofObject *, ADRankTwoTensor> _dof_to_F_neighbor;
      90             : 
      91             :   /// Map from degree of freedom to interface deformation gradient tensor
      92             :   std::unordered_map<const DofObject *, ADRankTwoTensor> _dof_to_interface_F;
      93             : 
      94             :   /// Map from degree of freedom to interface rotation tensor
      95             :   std::unordered_map<const DofObject *, ADRankTwoTensor> _dof_to_interface_R;
      96             : 
      97             :   /// The global traction
      98             :   std::vector<ADVariableValue> _czm_interpolated_traction;
      99             : 
     100             :   /// The penalty factor for the frictional constraints
     101             :   const Real _penalty_friction;
     102             : 
     103             :   /// The friction coefficient
     104             :   const Real _friction_coefficient;
     105             : 
     106             :   /// Map from degree of freedom to current and old AD iteration step slip
     107             :   std::unordered_map<const DofObject *, std::pair<ADTwoVector, TwoVector>> _dof_to_step_slip;
     108             : 
     109             :   /// Map from degree of freedom to current and old accumulated slip
     110             :   std::unordered_map<dof_id_type, std::pair<ADTwoVector, TwoVector>> & _dof_to_accumulated_slip;
     111             : 
     112             :   // Map from degree of freedom to current and old tangential traction
     113             :   std::unordered_map<dof_id_type, std::pair<ADTwoVector, TwoVector>> & _dof_to_tangential_traction;
     114             : 
     115             :   /// The first frictional contact pressure on the mortar segment quadrature points
     116             :   ADVariableValue _frictional_contact_traction_one;
     117             : 
     118             :   /// The second frictional contact pressure on the mortar segment quadrature points
     119             :   ADVariableValue _frictional_contact_traction_two;
     120             : 
     121             :   /// Map from degree of freedom to augmented lagrange multiplier
     122             :   std::unordered_map<const DofObject *, TwoVector> _dof_to_frictional_lagrange_multipliers;
     123             : 
     124             :   /// Map from degree of freedom to local friction penalty value
     125             :   std::unordered_map<const DofObject *, Real> _dof_to_local_penalty_friction;
     126             : 
     127             :   /// Tolerance to avoid NaN/Inf in automatic differentiation operations.
     128             :   const Real _epsilon_tolerance;
     129             : 
     130             :   /// Total Lagrangian stress to be applied on CZM interface
     131             :   std::unordered_map<const DofObject *, ADRealVectorValue> _dof_to_czm_traction;
     132             : 
     133             :   /// Displacement jump on CZM interface
     134             :   std::unordered_map<const DofObject *, ADRealVectorValue> _dof_to_displacement_jump;
     135             : 
     136             :   /// Damage values (pair of current and old) on CZM interface
     137             :   std::unordered_map<dof_id_type, std::pair<ADReal, Real>> & _dof_to_damage;
     138             : };