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                    \\     ||  | Multiphase Code Repository by HZDR
  ======   //   ||  || ===//   | Website: https://doi.org/10.14278/rodare.767
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License
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    Website: https://hzdr.de

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    computational fluid dynamics (CFD) from the OpenFOAM Foundation.
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#include "Laakkonen.H"
#include "phaseCompressibleMomentumTransportModel.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
namespace populationBalance
{
namespace breakupModels
{
    defineTypeNameAndDebug(Laakkonen, 0);
    addToRunTimeSelectionTable
    (
        breakupModel,
        Laakkonen,
        dictionary
    );
}
}
}


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

Foam::populationBalance::breakupModels::Laakkonen::
Laakkonen
(
    const populationBalanceModel& popBal,
    const dictionary& dict
)
:
    breakupModel(popBal, dict),
    C1_("C1", dimensionSet(0, -2.0/3.0, 0, 0, 0), dict, 2.25),
    C2_("C2", dimless, dict, 0.04),
    C3_("C3", dimless, dict, 0.01)
{}


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

void Foam::populationBalance::breakupModels::Laakkonen::setBreakupRate
(
    volScalarField::Internal& breakupRate,
    const label i
)
{
    const dimensionedScalar& dSphi = popBal_.dSph(i);

    const volScalarField::Internal& rhoc = popBal_.continuousPhase().rho();
    const volScalarField::Internal& rhod = popBal_.phases()[i].rho();

    tmp<volScalarField> tsigma(popBal_.sigmaWithContinuousPhase(i));
    const volScalarField::Internal& sigma = tsigma();

    tmp<volScalarField> tepsilonc(popBal_.continuousTurbulence().epsilon());
    const volScalarField::Internal& epsilonc = tepsilonc();
    tmp<volScalarField> tmu(popBal_.continuousPhase().fluidThermo().mu());
    const volScalarField::Internal muc = tmu();

    breakupRate =
        C1_
       *cbrt(epsilonc)
       *erfc
        (
            sqrt
            (
                C2_
               *sigma
               /(
                   rhoc*pow(dSphi, 5.0/3.0)
                  *pow(epsilonc, 2.0/3.0)
                )
              + C3_
               *muc
               /(
                    sqrt(rhoc*rhod)
                   *cbrt(epsilonc)
                   *pow(dSphi, 4.0/3.0)
                )
            )
        );
}


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