RASModel.C

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#include "RASModel.H"
#include "NewtonianViscosityModel.H"

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

template<class BasicMomentumTransportModel>
void Foam::RASModel<BasicMomentumTransportModel>::printCoeffs(const word& type)
{
    if (printCoeffs_)
    {
        Info<< coeffDict_.dictName() << coeffDict_ << endl;
    }
}


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

template<class BasicMomentumTransportModel>
Foam::RASModel<BasicMomentumTransportModel>::RASModel
(
    const word& type,
    const alphaField& alpha,
    const rhoField& rho,
    const volVectorField& U,
    const surfaceScalarField& alphaRhoPhi,
    const surfaceScalarField& phi,
    const viscosity& viscosity
)
:
    BasicMomentumTransportModel
    (
        type,
        alpha,
        rho,
        U,
        alphaRhoPhi,
        phi,
        viscosity
    ),

    RASDict_(this->subOrEmptyDict("RAS")),
    turbulence_(RASDict_.lookup("turbulence")),
    printCoeffs_(RASDict_.lookupOrDefault<Switch>("printCoeffs", false)),
    coeffDict_(RASDict_.optionalSubDict(type + "Coeffs")),

    kMin_
    (
        dimensioned<scalar>::lookupOrAddToDict
        (
            "kMin",
            RASDict_,
            sqr(dimVelocity),
            small
        )
    ),

    epsilonMin_
    (
        dimensioned<scalar>::lookupOrAddToDict
        (
            "epsilonMin",
            RASDict_,
            kMin_.dimensions()/dimTime,
            small
        )
    ),

    omegaMin_
    (
        dimensioned<scalar>::lookupOrAddToDict
        (
            "omegaMin",
            RASDict_,
            dimless/dimTime,
            small
        )
    ),

    viscosityModel_
    (
        coeffDict_.found("viscosityModel")
      ? laminarModels::generalisedNewtonianViscosityModel::New
        (
            coeffDict_,
            viscosity,
            U
        )
      : autoPtr<laminarModels::generalisedNewtonianViscosityModel>
        (
            new laminarModels::generalisedNewtonianViscosityModels::Newtonian
            (
                coeffDict_,
                viscosity,
                U
            )
        )
    )
{
    // Force the construction of the mesh deltaCoeffs which may be needed
    // for the construction of the derived models and BCs
    this->mesh_.deltaCoeffs();
}


// * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * * //

template<class BasicMomentumTransportModel>
Foam::autoPtr<Foam::RASModel<BasicMomentumTransportModel>>
Foam::RASModel<BasicMomentumTransportModel>::New
(
    const alphaField& alpha,
    const rhoField& rho,
    const volVectorField& U,
    const surfaceScalarField& alphaRhoPhi,
    const surfaceScalarField& phi,
    const viscosity& viscosity
)
{
    const IOdictionary modelDict
    (
        momentumTransportModel::readModelDict
        (
            U.db(),
            alphaRhoPhi.group()
        )
    );

    const word modelType =
        modelDict.subDict("RAS").lookupBackwardsCompatible<word>
        (
            {"model", "RASModel"}
        );

    Info<< "Selecting RAS turbulence model " << modelType << endl;

    typename dictionaryConstructorTable::iterator cstrIter =
        dictionaryConstructorTablePtr_->find(modelType);

    if (cstrIter == dictionaryConstructorTablePtr_->end())
    {
        FatalErrorInFunction
            << "Unknown RASModel type "
            << modelType << nl << nl
            << "Valid RASModel types:" << endl
            << dictionaryConstructorTablePtr_->sortedToc()
            << exit(FatalError);
    }

    return autoPtr<RASModel>
    (
        cstrIter()(alpha, rho, U, alphaRhoPhi, phi, viscosity)
    );
}


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

template<class BasicMomentumTransportModel>
bool Foam::RASModel<BasicMomentumTransportModel>::read()
{
    if (BasicMomentumTransportModel::read())
    {
        RASDict_ <<= this->subDict("RAS");
        RASDict_.lookup("turbulence") >> turbulence_;

        coeffDict_ <<= RASDict_.optionalSubDict(type() + "Coeffs");

        kMin_.readIfPresent(RASDict_);
        epsilonMin_.readIfPresent(RASDict_);
        omegaMin_.readIfPresent(RASDict_);

        return true;
    }
    else
    {
        return false;
    }
}


template<class BasicMomentumTransportModel>
void Foam::RASModel<BasicMomentumTransportModel>::correct()
{
    viscosityModel_->correct();
    BasicMomentumTransportModel::correct();
}


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