NodeElemConstraint.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

// MOOSE includes
#include "NodeElemConstraintBase.h"

class NodeElemConstraint : public NodeElemConstraintBase
{
public:
  static InputParameters validParams();

  NodeElemConstraint(const InputParameters & parameters);

  virtual void computeResidual() override;

  virtual void computeJacobian() override;

  virtual void computeOffDiagJacobian(unsigned int jvar) override;

  void getConnectedDofIndices(unsigned int var_num);

protected:
  virtual void prepareSecondaryToPrimaryMap() = 0;

  virtual Real computeQpResidual(Moose::ConstraintType type) = 0;

  virtual Real computeQpJacobian(Moose::ConstraintJacobianType type);

  virtual Real computeQpOffDiagJacobian(Moose::ConstraintJacobianType /*type*/,
                                        unsigned int /*jvar*/)
  {
    return 0;
  }

  const VariableValue & _u_primary;

  const VariableValue & _u_secondary;

  const VariablePhiGradient & _grad_phi_primary;

  const VariableTestGradient & _grad_test_primary;

  const VariableGradient & _grad_u_primary;
};