AverageVariableChange.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 "ElementIntegralVariablePostprocessor.h"
 
class AverageVariableChange : public ElementIntegralVariablePostprocessor
{
public:
  static InputParameters validParams();
 
  AverageVariableChange(const InputParameters & parameters);
 
  virtual void initialize() override;
  virtual void execute() override;
  virtual void threadJoin(const UserObject & y) override;
  virtual void finalize() override;
  virtual Real getValue() const override;
  virtual Real computeQpIntegral() override;
 
protected:
  const MooseEnum & _change_over;
  const VariableValue & _u_change_old;
 
  const MooseEnum & _norm;
  const unsigned int _norm_exponent;
 
  Real _volume;
};