ElementIntegralUserObject.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 "ElementUserObject.h"

class ElementIntegralUserObject : public ElementUserObject
{
public:
  static InputParameters validParams();

  ElementIntegralUserObject(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;

protected:
  virtual Real computeQpIntegral() = 0;
  virtual Real computeIntegral();

  unsigned int _qp;

  Real _integral_value;
};