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             :  * User object that interface pressure resulting from a simple traction separation law.
      19             :  */
      20             : class PenaltySimpleCohesiveZoneModel : virtual public PenaltyWeightedGapUserObject,
      21             :                                        virtual public WeightedVelocitiesUserObject
      22             : {
      23             : public:
      24             :   static InputParameters validParams();
      25             : 
      26             :   PenaltySimpleCohesiveZoneModel(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             : 
      36             : protected:
      37             :   virtual const VariableTestValue & test() const override;
      38           0 :   virtual bool constrainedByOwner() const override { return false; }
      39             : 
      40             :   // Compute CZM kinematics.
      41           0 :   virtual void prepareJumpKinematicQuantities() {}
      42           0 :   virtual void computeFandR(const Node * const /*node*/) {}
      43             : 
      44             :   /// Encapsulate the CZM constitutive behavior.
      45           0 :   virtual void computeBilinearMixedModeTraction(const Node * const /*node*/) {}
      46             : 
      47             :   /// Compute global traction for mortar application
      48           0 :   virtual void computeGlobalTraction(const Node * const /*node*/) {}
      49             : 
      50             :   /// The normal penalty factor
      51             :   const Real _penalty;
      52             : 
      53             :   /// The penalty factor for the frictional constraints
      54             :   const Real _penalty_friction;
      55             : 
      56             :   /// The friction coefficient
      57             :   const Real _friction_coefficient;
      58             : 
      59             :   /// Map from degree of freedom to current and old step slip
      60             :   std::unordered_map<const DofObject *, std::pair<TwoVector, TwoVector>> _dof_to_step_slip;
      61             : 
      62             :   /// Map from degree of freedom to current and old accumulated slip
      63             :   std::unordered_map<const DofObject *, std::pair<TwoVector, TwoVector>> _dof_to_accumulated_slip;
      64             : 
      65             :   /// Map from degree of freedom to current and old tangential traction
      66             :   std::unordered_map<const DofObject *, std::pair<ADTwoVector, TwoVector>>
      67             :       _dof_to_tangential_traction;
      68             : 
      69             :   /// Map from degree of freedom to czm normal traction
      70             :   std::unordered_map<const DofObject *, ADReal> _dof_to_czm_normal_traction;
      71             : 
      72             :   /// The first frictional contact pressure on the mortar segment quadrature points
      73             :   ADVariableValue _frictional_contact_traction_one;
      74             : 
      75             :   /// The second frictional contact pressure on the mortar segment quadrature points
      76             :   ADVariableValue _frictional_contact_traction_two;
      77             : 
      78             :   /// Map from degree of freedom to augmented lagrange multiplier
      79             :   std::unordered_map<const DofObject *, TwoVector> _dof_to_frictional_lagrange_multipliers;
      80             : 
      81             :   /// Map from degree of freedom to local friction penalty value
      82             :   std::unordered_map<const DofObject *, Real> _dof_to_local_penalty_friction;
      83             : 
      84             :   /// Tolerance to avoid NaN/Inf in automatic differentiation operations.
      85             :   const Real _epsilon_tolerance;
      86             : };