NodeElemConstraintBase.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 "Constraint.h"
#include "NeighborCoupleableMooseVariableDependencyIntermediateInterface.h"

namespace libMesh
{
template <typename T>
class SparseMatrix;
}

class NodeElemConstraintBase
  : public Constraint,
    public NeighborCoupleableMooseVariableDependencyIntermediateInterface,
    public NeighborMooseVariableInterface<Real>
{
public:
  static InputParameters validParams();

  NodeElemConstraintBase(const InputParameters & parameters);
  ~NodeElemConstraintBase();

  void computeSecondaryValue(NumericVector<Number> & current_solution);

  virtual bool shouldApply() { return true; }

  virtual bool overwriteSecondaryResidual() const;

  virtual bool overwriteSecondaryJacobian() const { return overwriteSecondaryResidual(); };

  virtual MooseVariable & primaryVariable() const { return _primary_var; }

  const MooseVariable & variable() const override { return _var; }

protected:
  virtual Real computeQpSecondaryValue() = 0;

  MooseVariable & _var;
  MooseVariable & _primary_var;

  unsigned short _secondary;
  unsigned short _primary;

  const Node * const & _current_node;
  const Elem * const & _current_elem;

  VariablePhiValue _phi_secondary;
  VariableTestValue _test_secondary;

  const VariablePhiValue & _phi_primary;

  const VariableTestValue & _test_primary;

  const std::map<dof_id_type, std::vector<dof_id_type>> & _node_to_elem_map;

  std::map<dof_id_type, dof_id_type> _secondary_to_primary_map;

  bool _overwrite_secondary_residual;

public:
  const SparseMatrix<Number> * _jacobian;
  std::vector<dof_id_type> _connected_dof_indices;
  DenseMatrix<Number> _Kne;
  DenseMatrix<Number> _Kee;
};