PecletNo.C

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#include "PecletNo.H"
#include "incompressibleMomentumTransportModel.H"
#include "compressibleMomentumTransportModel.H"
#include "surfaceInterpolate.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(PecletNo, 0);
 
    addToRunTimeSelectionTable
    (
        functionObject,
        PecletNo,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
bool Foam::functionObjects::PecletNo::calc()
{
    if (foundObject<surfaceScalarField>(fieldName_))
    {
        const surfaceScalarField& phi =
            mesh_.lookupObject<surfaceScalarField>(fieldName_);
 
        tmp<volScalarField> nuOrMuEff;
        if (phi.dimensions() == dimVolumetricFlux)
        {
            const incompressibleMomentumTransportModel& imtm =
                mesh_.lookupType<incompressibleMomentumTransportModel>();
 
            nuOrMuEff = imtm.nuEff();
        }
        else if (phi.dimensions() == dimMassFlux)
        {
            const compressibleMomentumTransportModel& cmtm =
                mesh_.lookupType<compressibleMomentumTransportModel>();
 
            nuOrMuEff = cmtm.rho()*cmtm.nuEff();
        }
        else
        {
            FatalErrorInFunction
                << "dimensions of flux " << phi.name() << " are "
                << phi.dimensions() << ", but they must be either "
                << dimMassFlux << " (mass flux) or " << dimVolumetricFlux
                << " (volume flux) " << exit(FatalError);
        }
 
        store
        (
            resultName_,
            mag(phi)
           /(
                mesh_.magSf()
               *mesh_.surfaceInterpolation::deltaCoeffs()
               *fvc::interpolate(nuOrMuEff)
            )
        );
 
        return true;
    }
    else
    {
        cannotFindObject<surfaceScalarField>(fieldName_);
 
        return false;
    }
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::functionObjects::PecletNo::PecletNo
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldExpression(name, runTime, dict, "Pe", "phi")
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::functionObjects::PecletNo::~PecletNo()
{}
 
 
// ************************************************************************* //