turbulentBreakUp.C

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    Copyright (C) 2013-2015 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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#include "turbulentBreakUp.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace IATEsources
{
    defineTypeNameAndDebug(turbulentBreakUp, 0);
    addToRunTimeSelectionTable(IATEsource, turbulentBreakUp, dictionary);
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::IATEsources::turbulentBreakUp::
turbulentBreakUp
(
    const IATE& iate,
    const dictionary& dict
)
:
    IATEsource(iate),
    Cti_("Cti", dimless, dict),
    WeCr_("WeCr", dimless, dict)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField>
Foam::diameterModels::IATEsources::turbulentBreakUp::R() const
{
    auto tR = volScalarField::New
    (
        "R",
        IOobject::NO_REGISTER,
        iate_.phase().U().mesh(),
        dimensionedScalar(dimless/dimTime, Zero)
    );
    auto R = tR();
 
    const scalar Cti = Cti_.value();
    const scalar WeCr = WeCr_.value();
    volScalarField Ut(this->Ut());
    volScalarField We(this->We());
    const tmp<volScalarField> td(iate_.d());
    const volScalarField& d = td();
 
    forAll(R, celli)
    {
        if (We[celli] > WeCr)
        {
            R[celli] =
                (1.0/3.0)
               *Cti/d[celli]
               *Ut[celli]
               *sqrt(1 - WeCr/We[celli])
               *exp(-WeCr/We[celli]);
        }
    }
 
    return tR;
}
 
 
// ************************************************************************* //