GrayLambertSurfaceRadiationBase.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 "SideUserObject.h"

// Forward Declarations
class Function;

class GrayLambertSurfaceRadiationBase : public SideUserObject
{
public:
  static InputParameters validParams();

  GrayLambertSurfaceRadiationBase(const InputParameters & parameters);

  virtual void execute() override;
  virtual void initialize() override;
  virtual void finalize() override;
  bool checkVariableBoundaryIntegrity() const override { return false; }

  enum RAD_BND_TYPE
  {
    VARIABLE_TEMPERATURE = 0,
    FIXED_TEMPERATURE = 4,
    ADIABATIC = 8
  };

  Real getSurfaceIrradiation(BoundaryID id) const;
  Real getSurfaceHeatFluxDensity(BoundaryID id) const;
  Real getSurfaceTemperature(BoundaryID id) const;
  Real getSurfaceRadiosity(BoundaryID id) const;
  Real getSurfaceEmissivity(BoundaryID id) const;
  Real getViewFactor(BoundaryID from_id, BoundaryID to_id) const;
  std::set<BoundaryID> getSurfaceIDs() const;

protected:
  virtual void threadJoin(const UserObject & y) override;

  virtual std::vector<std::vector<Real>> setViewFactors() = 0;

  const Real _sigma_stefan_boltzmann;

  unsigned int _n_sides;

  const VariableValue & _temperature;

  std::vector<const Function *> _fixed_side_temperature;

  std::vector<Real> _radiosity;

  std::vector<Real> _heat_flux_density;

  std::vector<Real> _side_temperature;

  std::vector<enum RAD_BND_TYPE> _side_type;

  std::map<BoundaryID, unsigned int> _side_id_index;

  std::vector<Real> _areas;

  std::vector<Real> _beta;

  std::vector<Real> _surface_irradiation;

  std::vector<const Function *> _emissivity;

  std::map<unsigned int, unsigned int> _fixed_side_id_index;

  std::set<unsigned int> _adiabatic_side_ids;

  std::vector<std::vector<Real>> _view_factors;
};