LinearNodalConstraint.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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 LinearNodalConstraint : public NodalConstraint
{
public:
  static InputParameters validParams();

  LinearNodalConstraint(const InputParameters & parameters);

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

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

  // Holds the primary node ids
  std::vector<unsigned int> _primary_node_ids;
  // Holds the list of secondary node ids
  std::vector<unsigned int> _secondary_node_ids;
  // Holds the secondary node set or side set
  std::string _secondary_node_set_id;
  // Penalty if constraint is not satisfied
  Real _penalty;
};