standardRadiation.C

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    Copyright (C) 2023 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.

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#include "standardRadiation.H"
#include "volFields.H"
#include "addToRunTimeSelectionTable.H"
#include "zeroGradientFvPatchFields.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{
namespace regionModels
{
namespace surfaceFilmModels
{

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

defineTypeNameAndDebug(standardRadiation, 0);

addToRunTimeSelectionTable
(
    filmRadiationModel,
    standardRadiation,
    dictionary
);

// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

standardRadiation::standardRadiation
(
     surfaceFilmRegionModel& film,
    const dictionary& dict
)
:
    filmRadiationModel(typeName, film, dict),
    qinPrimary_
    (
        IOobject
        (
            "qin", // same name as qin on primary region to enable mapping
            film.time().timeName(),
            film.regionMesh().thisDb(),
            IOobject::NO_READ,
            IOobject::NO_WRITE,
            IOobject::REGISTER
        ),
        film.regionMesh(),
        dimensionedScalar(dimMass/pow3(dimTime), Zero),
        film.mappedPushedFieldPatchTypes<scalar>()
    ),
    qrNet_
    (
        IOobject
        (
            "qrNet",
            film.time().timeName(),
            film.regionMesh().thisDb(),
            IOobject::NO_READ,
            IOobject::NO_WRITE,
            IOobject::REGISTER
        ),
        film.regionMesh(),
        dimensionedScalar(dimMass/pow3(dimTime), Zero),
        fvPatchFieldBase::zeroGradientType()
    ),
    beta_(coeffDict_.get<scalar>("beta")),
    kappaBar_(coeffDict_.get<scalar>("kappaBar"))
{}


// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //

void standardRadiation::correct()
{
    // Transfer qr from primary region
    qinPrimary_.correctBoundaryConditions();
}


tmp<volScalarField> standardRadiation::Shs()
{
    auto tShs = volScalarField::New
    (
        IOobject::scopedName(typeName, "Shs"),
        IOobject::NO_REGISTER,
        film().regionMesh(),
        dimensionedScalar(dimMass/pow3(dimTime), Zero)
    );
    scalarField& Shs = tShs.ref();

    const scalarField& qinP = qinPrimary_;
    const scalarField& delta = filmModel_.delta();
    const scalarField& alpha = filmModel_.alpha();

    Shs = beta_*qinP*alpha*(1.0 - exp(-kappaBar_*delta));

    // Update net qr on local region
    qrNet_.primitiveFieldRef() = qinP - Shs;
    qrNet_.correctBoundaryConditions();

    return tShs;
}


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace surfaceFilmModels
} // End namespace regionModels
} // End namespace Foam

// ************************************************************************* //