LaakkonenAlopaeusAittamaa.C

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    Copyright (C) 2020 OpenCFD Ltd.
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#include "LaakkonenAlopaeusAittamaa.H"
#include "addToRunTimeSelectionTable.H"
#include "phaseCompressibleTurbulenceModel.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace breakupModels
{
    defineTypeNameAndDebug(LaakkonenAlopaeusAittamaa, 0);
    addToRunTimeSelectionTable
    (
        breakupModel,
        LaakkonenAlopaeusAittamaa,
        dictionary
    );
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::breakupModels::LaakkonenAlopaeusAittamaa::
LaakkonenAlopaeusAittamaa
(
    const populationBalanceModel& popBal,
    const dictionary& dict
)
:
    breakupModel(popBal, dict),
    C1_
    (
        dimensionedScalar::getOrDefault
        (
            "C1",
            dict,
            dimensionSet(0, -2.0/3.0, 0, 0, 0),
            6.0
        )
    ),
    C2_(dimensionedScalar::getOrDefault("C2", dict, dimless, 0.04)),
    C3_(dimensionedScalar::getOrDefault("C3", dict, dimless, 0.01))
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void
Foam::diameterModels::breakupModels::LaakkonenAlopaeusAittamaa::setBreakupRate
(
    volScalarField& breakupRate,
    const label i
)
{
    const phaseModel& continuousPhase = popBal_.continuousPhase();
    const sizeGroup& fi = popBal_.sizeGroups()[i];
 
    breakupRate =
        C1_*cbrt(popBal_.continuousTurbulence().epsilon())
       *erfc
        (
            sqrt
            (
                C2_*popBal_.sigmaWithContinuousPhase(fi.phase())
               /(
                    continuousPhase.rho()*pow(fi.d(), 5.0/3.0)
                   *pow(popBal_.continuousTurbulence().epsilon(), 2.0/3.0)
                )
              + C3_*continuousPhase.mu()
               /(
                    sqrt(continuousPhase.rho()*fi.phase().rho())
                   *cbrt(popBal_.continuousTurbulence().epsilon())
                   *pow(fi.d(), 4.0/3.0)
                )
            )
        );
}
 
 
// ************************************************************************* //