DahnekeInterpolation.C

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#include "DahnekeInterpolation.H"
#include "addToRunTimeSelectionTable.H"
#include "BrownianCollisions.H"
#include "ballisticCollisions.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace populationBalance
{
namespace coalescenceModels
{
    defineTypeNameAndDebug(DahnekeInterpolation, 0);
    addToRunTimeSelectionTable
    (
        coalescenceModel,
        DahnekeInterpolation,
        dictionary
    );
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::populationBalance::coalescenceModels::DahnekeInterpolation::
DahnekeInterpolation
(
    const populationBalanceModel& popBal,
    const dictionary& dict
)
:
    coalescenceModel(popBal, dict),
    Brownian_(new BrownianCollisions(popBal, dict)),
    ballistic_(new ballisticCollisions(popBal, dict))
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void
Foam::populationBalance::coalescenceModels::DahnekeInterpolation::precompute()
{
    Brownian_().precompute();
    ballistic_().precompute();
}
 
 
Foam::tmp<Foam::volScalarField::Internal>
Foam::populationBalance::coalescenceModels::DahnekeInterpolation::rate
(
    const label i,
    const label j
) const
{
    tmp<volScalarField::Internal> tBrownianRate = Brownian_().rate(i, j);
    tmp<volScalarField::Internal> tballisticRate = ballistic_().rate(i, j);
 
    const volScalarField::Internal KnD(tBrownianRate()/(2*tballisticRate));
 
    return tBrownianRate*(1 + KnD)/(1 + 2*KnD + 2*sqr(KnD));
}
 
 
// ************************************************************************* //