TomiyamaAnalytic.C

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#include "TomiyamaAnalytic.H"
#include "aspectRatioModel.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
namespace dragModels
{
    defineTypeNameAndDebug(TomiyamaAnalytic, 0);
    addToRunTimeSelectionTable(dragModel, TomiyamaAnalytic, dictionary);
}
}


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

Foam::dragModels::TomiyamaAnalytic::TomiyamaAnalytic
(
    const dictionary& dict,
    const phaseInterface& interface,
    const bool registerObject
)
:
    dispersedDragModel(dict, interface, registerObject),
    residualRe_("residualRe", dimless, dict),
    residualEo_("residualEo", dimless, dict),
    residualE_("residualE", dimless, dict),
    aspectRatio_(aspectRatioModel::New(dict.subDict("aspectRatio"), interface))
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::dragModels::TomiyamaAnalytic::~TomiyamaAnalytic()
{}


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

Foam::tmp<Foam::volScalarField>
Foam::dragModels::TomiyamaAnalytic::CdRe() const
{
    const volScalarField Eo(max(interface_.Eo(), residualEo_));
    const volScalarField E(max(aspectRatio_->E(), residualE_));

    const volScalarField OmEsq(max(1 - sqr(E), sqr(residualE_)));
    const volScalarField rtOmEsq(sqrt(OmEsq));

    const volScalarField F(max(asin(rtOmEsq) - E*rtOmEsq, residualE_)/OmEsq);

    return
        (8.0/3.0)
       *Eo
       /(
            Eo*pow(E, 2.0/3.0)/OmEsq
          + 16*pow(E, 4.0/3.0)
        )
       /sqr(F)
       *max(interface_.Re(), residualRe_);
}


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