AverageValueConstraint.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 "ScalarKernel.h"
 
class AverageValueConstraint : public ScalarKernel
{
public:
  static InputParameters validParams();
 
  AverageValueConstraint(const InputParameters & parameters);
 
  virtual void reinit() override;
  virtual void computeOffDiagJacobianScalar(unsigned int jvar) override;
  virtual bool computesJacobian() const override { return _add_jacobian; }
 
protected:
  virtual Real computeQpResidual() override;
  virtual Real computeQpJacobian() override;
  virtual Real computeQpOffDiagJacobianScalar(unsigned int jvar);
 
  Real _value;
 
  const PostprocessorValue & _pp_value;
 
  const bool _add_jacobian;
};