transparent.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2018 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::radiation::transparent
 
Description
    Radiation boundary model for transparent walls. It requires to
    specify a wallAbsorptionEmissionModel in boundaryRadiationProperties
    file.
 
Usage
    \verbatim
 
        type       transparent;
        wallAbsorptionEmissionModel
        {
            type            multiBandAbsorption;
            absorptivity    (0.3 0.7);
            emissivity      (0.3 0.7);
        };
 
    \endverbatim
 
\*---------------------------------------------------------------------------*/
 
#ifndef transparent_H
#define transparent_H
 
#include "boundaryRadiationPropertiesPatch.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace radiation
{
 
/*---------------------------------------------------------------------------*\
                        Class transparent Declaration
\*---------------------------------------------------------------------------*/
 
class transparent
:
    public boundaryRadiationPropertiesPatch
{
 
protected:
 
    // Protected data
 
        //- Reference to the polyPatch
        const polyPatch& pp_;
 
 
public:
 
    //- Runtime type information
    TypeName("transparent");
 
    // Constructors
 
        //- Construct from components
        transparent(const dictionary& dict, const polyPatch& pp);
 
 
    //- Destructor
    virtual ~transparent() = default;
 
 
    // Member Functions
 
        //- Return emissivity
        virtual tmp<scalarField> e
        (
            const label bandI,
            vectorField* incomingDirection,
            scalarField* T
        ) const;
 
        //- Return emissivity on face
        virtual scalar e
        (
            const label faceI,
            const label bandI,
            const vector& dir,
            const scalar T
        ) const;
 
        //- Return absorptivity on patch
        virtual tmp<scalarField> a
        (
            const label bandI,
            vectorField* incomingDirection,
            scalarField* T
        ) const;
 
        //- Return absorptivity on face
        virtual scalar a
        (
            const label faceI,
            const label bandI,
            const vector& dir,
            const scalar T
        ) const;
 
        //- Return transmissivity on patch
        virtual tmp<scalarField> t
        (
            const label bandI,
            vectorField* incomingDirection,
            scalarField* T
        ) const;
 
        //- Return transmissivity on face
        virtual scalar t
        (
            const label faceI,
            const label bandI,
            const vector& dir,
            const scalar T
        ) const;
 
        //- Return specular reflectivity on patch
        virtual tmp<scalarField> rSpec
        (
            const label bandI,
            vectorField* incomingDirection,
            scalarField* T
        ) const;
 
        //- Return specular reflectivity on face
        virtual scalar rSpec
        (
            const label faceI,
            const label bandI,
            const vector& dir,
            const scalar T
        ) const;
 
        //- Return diffusive reflectivity on patch
        virtual tmp<scalarField> rDiff
        (
            const label bandI,
            vectorField* incomingDirection ,
            scalarField* T
        ) const;
 
        //- Return diffusive reflectivity on face
        virtual scalar rDiff
        (
            const label faceI,
            const label bandI,
            const vector& dir,
            const scalar T
        ) const;
 
        //- Is Grey
        virtual bool isGrey() const;
 
        //- Number of bands
        virtual label nBands() const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace radiation
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //