Saito.C

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#include "Saito.H"
#include "addToRunTimeSelectionTable.H"
 
#include "mathematicalConstants.H"
using Foam::constant::mathematical::pi;
 
#include "physicoChemicalConstants.H"
using Foam::constant::physicoChemical::RR;
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace compressible
{
namespace cavitationModels
{
    defineTypeNameAndDebug(Saito, 0);
    addToRunTimeSelectionTable(cavitationModel, Saito, dictionary);
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::compressible::cavitationModels::Saito::Saito
(
    const dictionary& dict,
    const compressibleTwoPhases& phases,
    const label liquidIndex
)
:
    cavitationModel(dict, phases, liquidIndex),
 
    Ca_("Ca", dimless/dimLength, dict),
    Cv_("Cv", dimless, dict),
    Cc_("Cc", dimless, dict),
    alphaNuc_("alphaNuc", dimless, dict),
 
    p0_("0", dimPressure, 0)
{
    correct();
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField::Internal>
Foam::compressible::cavitationModels::Saito::fT
(
    const rhoFluidThermo& thermo
) const
{
    return sqrt(2*pi*(RR/thermo.W()()())*thermo.T()());
}
 
 
Foam::Pair<Foam::tmp<Foam::volScalarField::Internal>>
Foam::compressible::cavitationModels::Saito::mDotcvAlphal() const
{
    const volScalarField::Internal& p = thermol().p();
 
    const volScalarField::Internal alphav
    (
        min(max(this->alphav(), scalar(0)), scalar(1))
    );
 
    const volScalarField::Internal alphal
    (
        min(max(this->alphal(), scalar(0)), scalar(1))
    );
 
    const volScalarField::Internal alphavNuc(max(alphav, alphaNuc_));
 
    const volScalarField::Internal A(Ca_*alphal*alphavNuc);
 
    const volScalarField::Internal mvCoeff(Cv_*A*rhol()/(rhov()*fT(thermol())));
    const volScalarField::Internal mcCoeff(Cc_*A/fT(thermol()));
 
    return Pair<tmp<volScalarField::Internal>>
    (
        mcCoeff*alphal*max(p - pSatv(), p0_),
       -mvCoeff*alphavNuc*min(p - pSatl(), p0_)
    );
}
 
 
Foam::Pair<Foam::tmp<Foam::volScalarField::Internal>>
Foam::compressible::cavitationModels::Saito::mDotcvP() const
{
    const volScalarField::Internal& p = thermol().p();
 
    const volScalarField::Internal alphav
    (
        min(max(this->alphav(), scalar(0)), scalar(1))
    );
 
    const volScalarField::Internal alphal
    (
        min(max(this->alphal(), scalar(0)), scalar(1))
    );
 
    const volScalarField::Internal alphavNuc(max(alphav, alphaNuc_));
 
    const volScalarField::Internal A(Ca_*alphal*alphavNuc);
 
    const volScalarField::Internal mvCoeff(Cv_*A*rhol()/(rhov()*fT(thermol())));
    const volScalarField::Internal mcCoeff(Cc_*A/fT(thermol()));
 
    return Pair<tmp<volScalarField::Internal>>
    (
        mcCoeff*alphal*alphav*pos0(p - pSatv()),
       -mvCoeff*alphal*alphavNuc*neg(p - pSatl())
    );
}
 
 
void Foam::compressible::cavitationModels::Saito::correct()
{}
 
 
bool Foam::compressible::cavitationModels::Saito::read
(
    const dictionary& dict
)
{
    if (cavitationModel::read(dict))
    {
        dict.lookup("Ca") >> Ca_;
        dict.lookup("Cv") >> Cv_;
        dict.lookup("Cc") >> Cc_;
        dict.lookup("alphaNuc") >> alphaNuc_;
 
        return true;
    }
    else
    {
        return false;
    }
}
 
 
// ************************************************************************* //