instability.C

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#include "instability.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace XiEqModels
{
    defineTypeNameAndDebug(instability, 0);
    addToRunTimeSelectionTable(XiEqModel, instability, dictionary);
}
}
 
 
// * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
bool Foam::XiEqModels::instability::readCoeffs(const dictionary& dict)
{
    XiEqModel::readCoeffs(dict);
 
    XiEqIn_.read(dict);
    lambdaIn_.read(dict);
 
    return XiEqModel_->read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::XiEqModels::instability::instability
(
    const dictionary& dict,
    const ubRhoThermo& thermo,
    const compressibleMomentumTransportModel& turbulence,
    const volScalarField& Su
)
:
    XiEqModel(thermo, turbulence, Su),
    XiEqIn_("XiEqIn", dimless, dict),
    lambdaIn_("lambdaIn", dimLength, dict),
    XiEqModel_(XiEqModel::New(dict, thermo, turbulence, Su))
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::XiEqModels::instability::~instability()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::XiEqModels::instability::XiEq() const
{
    const volScalarField turbXiEq(XiEqModel_->XiEq());
    return XiEqIn_/turbXiEq + turbXiEq;
}
 
 
Foam::tmp<Foam::volScalarField> Foam::XiEqModels::instability::Db() const
{
    const volScalarField& rho = momentumTransport_.rho();
 
    const objectRegistry& db = Su_.db();
    const volScalarField& Xi = db.lookupObject<volScalarField>("Xi");
    const volScalarField& mgb = db.lookupObject<volScalarField>("mgb");
 
    return XiEqModel_->Db()
        + rho*Su_*(Xi - 1.0)*mgb*(0.5*lambdaIn_)/(mgb + 1.0/lambdaIn_);
}
 
 
// ************************************************************************* //