VoFCavitation.C

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License
    This file is part of OpenFOAM.
 
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    the Free Software Foundation, either version 3 of the License, or
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#include "VoFCavitation.H"
#include "incompressibleTwoPhaseVoFMixture.H"
#include "fvcDdt.H"
#include "fvcDiv.H"
#include "fvmSup.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * Static Member Functions * * * * * * * * * * * * //
 
namespace Foam
{
    namespace fv
    {
        defineTypeNameAndDebug(VoFCavitation, 0);
 
        addToRunTimeSelectionTable
        (
            fvModel,
            VoFCavitation,
            dictionary
        );
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::fv::VoFCavitation::VoFCavitation
(
    const word& sourceName,
    const word& modelType,
    const fvMesh& mesh,
    const dictionary& dict
)
:
    fvModel(sourceName, modelType, mesh, dict),
 
    mixture_
    (
        mesh.lookupObjectRef<incompressibleTwoPhaseVoFMixture>
        (
            "phaseProperties"
        )
    ),
 
    cavitation_(cavitationModel::New(dict, mixture_)),
 
    alphaName_(mixture_.alpha1().name())
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::wordList Foam::fv::VoFCavitation::addSupFields() const
{
    return {alphaName_, "p_rgh", "U"};
}
 
 
void Foam::fv::VoFCavitation::addSup
(
    fvMatrix<scalar>& eqn,
    const word& fieldName
) const
{
    if (debug)
    {
        Info<< type() << ": applying source to " << eqn.psi().name() << endl;
    }
 
    if (fieldName == alphaName_)
    {
        const volScalarField::Internal alpha1Coeff
        (
            1.0/mixture_.rho1()
          - mixture_.alpha1()()*(1.0/mixture_.rho1() - 1.0/mixture_.rho2())
        );
 
        const Pair<tmp<volScalarField::Internal>> mDot12Alpha
        (
            cavitation_->mDot12Alpha()
        );
 
        const volScalarField::Internal vDot1Alpha(alpha1Coeff*mDot12Alpha[0]());
        const volScalarField::Internal vDot2Alpha(alpha1Coeff*mDot12Alpha[1]());
 
        eqn += fvm::Sp(-vDot2Alpha - vDot1Alpha, eqn.psi()) + vDot1Alpha;
    }
}
 
 
void Foam::fv::VoFCavitation::addSup
(
    const volScalarField&,
    fvMatrix<scalar>& eqn,
    const word& fieldName
) const
{
    if (debug)
    {
        Info<< type() << ": applying source to " << eqn.psi().name() << endl;
    }
 
    if (fieldName == "p_rgh")
    {
        const volScalarField::Internal& rho =
            mesh().lookupObject<volScalarField>("rho");
 
        const volScalarField::Internal& gh =
            mesh().lookupObject<volScalarField>("gh");
 
        const dimensionedScalar pCoeff
        (
            1.0/mixture_.rho1() - 1.0/mixture_.rho2()
        );
 
        const Pair<tmp<volScalarField::Internal>> mDot12P
        (
            cavitation_->mDot12P()
        );
 
        const volScalarField::Internal vDot1P(pCoeff*mDot12P[0]);
        const volScalarField::Internal vDot2P(pCoeff*mDot12P[1]);
 
        eqn +=
            (vDot2P - vDot1P)*(cavitation_->pSat() - rho*gh)
          - fvm::Sp(vDot2P - vDot1P, eqn.psi());
    }
}
 
 
void Foam::fv::VoFCavitation::addSup
(
    const volScalarField& rho,
    fvMatrix<vector>& eqn,
    const word& fieldName
) const
{
    if (debug)
    {
        Info<< type() << ": applying source to " << eqn.psi().name() << endl;
    }
 
    if (fieldName == "U")
    {
        const surfaceScalarField& rhoPhi =
            mesh().lookupObject<surfaceScalarField>("rhoPhi");
 
        eqn += fvm::Sp(fvc::ddt(rho) + fvc::div(rhoPhi), eqn.psi());
    }
}
 
 
void Foam::fv::VoFCavitation::topoChange(const polyTopoChangeMap&)
{}
 
 
void Foam::fv::VoFCavitation::mapMesh(const polyMeshMap& map)
{}
 
 
void Foam::fv::VoFCavitation::distribute(const polyDistributionMap&)
{}
 
 
bool Foam::fv::VoFCavitation::movePoints()
{
    return true;
}
 
 
void Foam::fv::VoFCavitation::correct()
{
    cavitation_->correct();
}
 
 
// ************************************************************************* //