RASModel.C

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#include "RASModel.H"
#include "NewtonianViscosityModel.H"
 
// * * * * * * * * * * * * * * * * 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
    ),
 
    turbulence_(RASDict().template lookupOrDefault<Switch>("turbulence", true)),
    kMin_("kMin", sqr(dimVelocity), RASDict(), small),
    nutMaxCoeff_("nutMaxCoeff", dimless, RASDict(), 1e5),
 
    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<< indent
        << "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);
    }
 
    Info<< incrIndent;
 
    autoPtr<RASModel> modelPtr
    (
        cstrIter()(alpha, rho, U, alphaRhoPhi, phi, viscosity)
    );
 
    Info<< decrIndent;
 
    return modelPtr;
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class BasicMomentumTransportModel>
const Foam::dictionary&
Foam::RASModel<BasicMomentumTransportModel>::RASDict() const
{
    return this->subDict("RAS");
}
 
 
template<class BasicMomentumTransportModel>
const Foam::dictionary&
Foam::RASModel<BasicMomentumTransportModel>::coeffDict() const
{
    return this->RASDict().optionalSubDict(type() + "Coeffs");
}
 
 
template<class BasicMomentumTransportModel>
bool Foam::RASModel<BasicMomentumTransportModel>::read()
{
    if (BasicMomentumTransportModel::read())
    {
        turbulence_.readIfPresent("turbulence", RASDict());
        kMin_.readIfPresent(RASDict());
        nutMaxCoeff_.readIfPresent(RASDict());
 
        return true;
    }
    else
    {
        return false;
    }
}
 
 
template<class BasicMomentumTransportModel>
void Foam::RASModel<BasicMomentumTransportModel>::correct()
{
    viscosityModel_->correct();
    BasicMomentumTransportModel::correct();
}
 
 
// ************************************************************************* //