incompressibleMultiphaseVoFMixture.C

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#include "incompressibleMultiphaseVoFMixture.H"
#include "surfaceInterpolate.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(incompressibleMultiphaseVoFMixture, 0);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::incompressibleMultiphaseVoFMixture::incompressibleMultiphaseVoFMixture
(
    const fvMesh& mesh
)
:
    multiphaseVoFMixture(mesh, incompressibleVoFphase::iNew(mesh)),
 
    phases_(multiphaseVoFMixture::phases().convert<incompressibleVoFphase>()),
 
    rho_
    (
        IOobject
        (
            "rho",
            mesh.time().name(),
            mesh,
            IOobject::NO_READ,
            IOobject::AUTO_WRITE
        ),
        mesh,
        dimensionedScalar("rho", dimDensity, 0)
    ),
 
    nu_
    (
        IOobject
        (
            "nu",
            mesh.time().name(),
            mesh
        ),
        mesh,
        dimensionedScalar(dimKinematicViscosity, 0),
        calculatedFvPatchScalarField::typeName
    )
{
    correct();
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
void Foam::incompressibleMultiphaseVoFMixture::correct()
{
    forAll(phases_, phasei)
    {
        phases_[phasei].correct();
    }
 
    rho_ = phases_[0]*phases_[0].rho();
    volScalarField mu(rho_*phases_[0].nu());
 
    for (label phasei=1; phasei<phases_.size(); phasei++)
    {
        const volScalarField alphaRho(phases_[phasei]*phases_[phasei].rho());
        rho_ += alphaRho;
        mu += alphaRho*phases_[phasei].nu();
    }
 
    // Update the mixture kinematic viscosity
    nu_ = mu/rho_;
 
    calcAlphas();
}
 
 
bool Foam::incompressibleMultiphaseVoFMixture::read()
{
    if (regIOobject::read())
    {
        lookup("sigmas") >> sigmas_;
        return true;
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //