NodalFrictionalConstraint.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "NodalConstraint.h"
 
class NodalFrictionalConstraint : public NodalConstraint
{
public:
  NodalFrictionalConstraint(const InputParameters & parameters);
 
  static InputParameters validParams();
 
  virtual void meshChanged() override;
 
  virtual void computeResidual(const NumericVector<Number> & residual) override;
  virtual void computeJacobian(const SparseMatrix<Number> & jacobian) override;
  using NodalConstraint::computeJacobian;
  using NodalConstraint::computeResidual;
 
protected:
  void updateConstrainedNodes();
 
  virtual Real computeQpResidual(Moose::ConstraintType type) override;
  virtual Real computeQpJacobian(Moose::ConstraintJacobianType type) override;
 
  BoundaryName _primary_boundary_id;
 
  BoundaryName _secondary_boundary_id;
 
  const Real & _normal_force;
 
  const Real & _tangential_penalty;
 
  const Real & _friction_coefficient;
 
  std::vector<dof_id_type> _primary_conn;
 
  const VariableValue & _u_secondary_old;
 
  const VariableValue & _u_primary_old;
};