PecletNo.C

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    Copyright (C) 2013-2016 OpenFOAM Foundation
    Copyright (C) 2015-2020 OpenCFD Ltd.
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License
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#include "PecletNo.H"
#include "turbulenceModel.H"
#include "surfaceInterpolate.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
namespace functionObjects
{
    defineTypeNameAndDebug(PecletNo, 0);
    addToRunTimeSelectionTable(functionObject, PecletNo, dictionary);
}
}


// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //

Foam::tmp<Foam::surfaceScalarField> Foam::functionObjects::PecletNo::rhoScale
(
    const surfaceScalarField& phi
) const
{
    if (phi.dimensions() == dimMass/dimTime)
    {
        return phi/fvc::interpolate(lookupObject<volScalarField>(rhoName_));
    }

    return phi;
}


bool Foam::functionObjects::PecletNo::calc()
{
    if (foundObject<surfaceScalarField>(fieldName_))
    {
        tmp<volScalarField> nuEff;
        if (mesh_.foundObject<turbulenceModel>(turbulenceModel::propertiesName))
        {
            const turbulenceModel& model =
                lookupObject<turbulenceModel>
                (
                    turbulenceModel::propertiesName
                );

            nuEff = model.nuEff();
        }
        else if (mesh_.foundObject<dictionary>("transportProperties"))
        {
            const dictionary& model =
                mesh_.lookupObject<dictionary>("transportProperties");

            nuEff = volScalarField::New
            (
                "nuEff",
                IOobject::NO_REGISTER,
                mesh_,
                dimensionedScalar("nu", dimViscosity, model)
            );
        }
        else
        {
            FatalErrorInFunction
                << "Unable to determine the viscosity"
                << exit(FatalError);
        }


        const surfaceScalarField& phi =
            mesh_.lookupObject<surfaceScalarField>(fieldName_);

        return store
        (
            resultName_,
            mag(rhoScale(phi))
           /(
                mesh_.magSf()
               *mesh_.surfaceInterpolation::deltaCoeffs()
               *fvc::interpolate(nuEff)
            )
        );
    }

    return false;
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::functionObjects::PecletNo::PecletNo
(
    const word& name,
    const Time& runTime,
    const dictionary& dict
)
:
    fieldExpression(name, runTime, dict, "phi"),
    rhoName_("rho")
{
    setResultName("Pe", "phi");
    read(dict);
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

bool Foam::functionObjects::PecletNo::read(const dictionary& dict)
{
    rhoName_ = dict.getOrDefault<word>("rho", "rho");

    return true;
}


// ************************************************************************* //