constantTransmissivity.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2015-2018 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::constantTransmissivity
 
Group
    grpRadiationTransmissivitySubModels
 
Description
    Constant radiation transmissivity coefficient
 
SourceFiles
    constantTransmissivity.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef radiation_constantTransmissivity_H
#define radiation_constantTransmissivity_H
 
#include "wallTransmissivityModel.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace radiation
{
 
/*---------------------------------------------------------------------------*\
                   Class constantTransmissivity Declaration
\*---------------------------------------------------------------------------*/
 
class constantTransmissivity
:
    public wallTransmissivityModel
{
 
    // Private data
 
        //- Coefficients dictionary
        dictionary coeffsDict_;
 
        //- Transmissivity coefficient
        scalar tau_;
 
 
public:
 
    //- Runtime type information
    TypeName("constantTransmissivity");
 
 
    // Constructors
 
        //- Construct from components
        constantTransmissivity(const dictionary& dict, const polyPatch& pp);
 
 
    //- Destructor
    virtual ~constantTransmissivity() = default;
 
 
    // Member Functions
 
        //- Return transmissivity coefficient
        tmp<scalarField> t
        (
            const label bandI = 0,
            vectorField* incomingDirection = nullptr,
            scalarField* T = nullptr
        ) const;
 
        //- Return transmissivity on facw
        scalar t
        (
            const label faceI,
            const label bandI = 0,
            const vector dir = Zero,
            const scalar T = 0
        ) const;
 
        //- Is Grey
        inline bool isGrey() const
        {
            return true;
        }
 
        //- Number of bands
        inline label nBands() const
        {
            return 1;
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace radiation
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //