constantRadiation.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
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    Copyright (C) 2012-2017 OpenFOAM Foundation
    Copyright (C) 2023 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.
 
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    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
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\*---------------------------------------------------------------------------*/
 
#include "constantRadiation.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace regionModels
{
namespace surfaceFilmModels
{
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
defineTypeNameAndDebug(constantRadiation, 0);
 
addToRunTimeSelectionTable
(
    filmRadiationModel,
    constantRadiation,
    dictionary
);
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
constantRadiation::constantRadiation
(
    surfaceFilmRegionModel& film,
    const dictionary& dict
)
:
    filmRadiationModel(typeName, film, dict),
    qrConst_
    (
        IOobject
        (
            IOobject::scopedName(typeName, "qrConst"),
            film.time().timeName(),
            film.regionMesh().thisDb(),
            IOobject::MUST_READ,
            IOobject::AUTO_WRITE
        ),
        film.regionMesh()
    ),
    mask_
    (
        IOobject
        (
            IOobject::scopedName(typeName, "mask"),
            film.time().timeName(),
            film.regionMesh().thisDb(),
            IOobject::READ_IF_PRESENT,
            IOobject::AUTO_WRITE
        ),
        film.regionMesh(),
        dimensionedScalar("one", dimless, 1.0)
    ),
    absorptivity_(coeffDict_.get<scalar>("absorptivity")),
    timeStart_(coeffDict_.get<scalar>("timeStart")),
    duration_(coeffDict_.get<scalar>("duration"))
{
    mask_ = pos0(mask_);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
constantRadiation::~constantRadiation()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
void constantRadiation::correct()
{}
 
 
tmp<volScalarField> constantRadiation::Shs()
{
    auto tShs = volScalarField::New
    (
        IOobject::scopedName(typeName, "Shs"),
        IOobject::NO_REGISTER,
        film().regionMesh(),
        dimensionedScalar(dimMass/pow3(dimTime), Zero)
    );
    auto& Shs = tShs.ref().primitiveFieldRef();
 
    const scalar time = film().time().value();
 
    if ((time >= timeStart_) && (time <= timeStart_ + duration_))
    {
        const scalarField& qr = qrConst_;
        const scalarField& alpha = filmModel_.alpha();
 
        Shs = mask_*qr*alpha*absorptivity_;
    }
 
    return tShs;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace surfaceFilmModels
} // End namespace regionModels
} // End namespace Foam
 
// ************************************************************************* //