EqualValueBoundaryConstraint.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 EqualValueBoundaryConstraint : public NodalConstraint
{
public:
  static InputParameters validParams();

  EqualValueBoundaryConstraint(const InputParameters & parameters);

  virtual void meshChanged() override;

protected:
  void updateConstrainedNodes();

  virtual Real computeQpResidual(Moose::ConstraintType type) override;

  virtual Real computeQpJacobian(Moose::ConstraintJacobianType type) override;

  Real _penalty;

private:
  void populateSecondaryNodes();

  void pickPrimaryNode();

  void ghostPrimary();

  dof_id_type getPrimaryNodeIDByCoord() const;
};