incompressibleInterPhaseTransportModel.C

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#include "incompressibleInterPhaseTransportModel.H"
#include "fvMatrix.H"
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::incompressibleInterPhaseTransportModel::
incompressibleInterPhaseTransportModel
(
    const volVectorField& U,
    const surfaceScalarField& phi,
    const surfaceScalarField& alphaPhi1,
    const incompressibleTwoPhaseVoFMixture& mixture
)
:
    twoPhaseTransport_(false),
    mixture_(mixture),
    phi_(phi),
    alphaPhi1_(alphaPhi1)
{
    {
        IOdictionary momentumTransport
        (
            IOobject
            (
                momentumTransportModel::typeName,
                U.time().constant(),
                U.db(),
                IOobject::MUST_READ,
                IOobject::NO_WRITE
            )
        );
 
        word simulationType
        (
            momentumTransport.lookup("simulationType")
        );
 
        if (simulationType == "twoPhaseTransport")
        {
            twoPhaseTransport_ = true;
        }
    }
 
    if (twoPhaseTransport_)
    {
        const volScalarField& alpha1(mixture_.alpha1());
        const volScalarField& alpha2(mixture_.alpha2());
 
        alphaPhi2_ =
        (
            new surfaceScalarField
            (
                IOobject::groupName("alphaPhi", alpha2.group()),
                (phi_ - alphaPhi1_)
            )
        );
 
        turbulence1_ =
        (
            phaseIncompressible::momentumTransportModel::New
            (
                alpha1,
                U,
                alphaPhi1_,
                phi,
                mixture.nuModel1()
            )
        );
 
        turbulence2_ =
        (
            phaseIncompressible::momentumTransportModel::New
            (
                alpha2,
                U,
                alphaPhi2_(),
                phi,
                mixture.nuModel2()
            )
        );
    }
    else
    {
        turbulence_ = incompressible::momentumTransportModel::New
        (
            U,
            phi,
            mixture
        );
 
        turbulence_->validate();
    }
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::fvVectorMatrix>
Foam::incompressibleInterPhaseTransportModel::divDevTau
(
    const volScalarField& rho,
    volVectorField& U
) const
{
    if (twoPhaseTransport_)
    {
        return
          mixture_.rho1()*turbulence1_->divDevSigma(U)
        + mixture_.rho2()*turbulence2_->divDevSigma(U);
    }
    else
    {
        return turbulence_->divDevTau(rho, U);
    }
}
 
 
void Foam::incompressibleInterPhaseTransportModel::correctPhasePhi()
{
    if (twoPhaseTransport_)
    {
        alphaPhi2_.ref() = (phi_ - alphaPhi1_);
    }
}
 
 
void Foam::incompressibleInterPhaseTransportModel::predict()
{
    if (twoPhaseTransport_)
    {
        turbulence1_->predict();
        turbulence2_->predict();
    }
    else
    {
        turbulence_->predict();
    }
}
 
 
void Foam::incompressibleInterPhaseTransportModel::correct()
{
    if (twoPhaseTransport_)
    {
        turbulence1_->correct();
        turbulence2_->correct();
    }
    else
    {
        turbulence_->correct();
    }
}
 
 
// ************************************************************************* //