ParkRogakSurfaceAreaVolumeRatioFvScalarFieldSource.C

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#include "ParkRogakSurfaceAreaVolumeRatioFvScalarFieldSource.H"
#include "fractal.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::DimensionedField<Foam::scalar, Foam::volMesh>>
Foam::ParkRogakSurfaceAreaVolumeRatioFvScalarFieldSource::value
(
    const label deltai,
    const fvSource& source
) const
{
    const diameterModels::sizeGroup& fi = this->fi();
    const diameterModels::sizeGroup& fj = this->fi(deltai);
 
    const volScalarField::Internal& kappaj =
        fld<diameterModels::shapeModels::fractal>(deltai);
 
    const diameterModels::shapeModels::fractal& fractali =
        model<diameterModels::shapeModels::fractal>();
    const diameterModels::shapeModels::fractal& fractalj =
        model<diameterModels::shapeModels::fractal>(deltai);
 
    const volScalarField::Internal a(kappaj*fj.x());
 
    const dimensionedScalar dv(fi.x() - fj.x());
 
    const volScalarField::Internal da1
    (
        (2.0/3.0)
       *dv
       *(kappaj + fractalj.Df()*(1/fractalj.d()()() - kappaj/6))
    );
 
    const volScalarField::Internal dp
    (
        6/kappaj + 6*(dv*a - fj.x()*da1)/sqr(a)
    );
 
    tmp<volScalarField::Internal> np
    (
        6*fi.x()/constant::mathematical::pi/pow3(dp)
    );
 
    tmp<volScalarField::Internal> dc
    (
        dp*pow(np/fractali.alphaC(), 1/fractali.Df())
    );
 
    tmp<volScalarField::Internal> da2
    (
        dv*(4/dp + 2*fractali.Df()/3*(1/dc - 1/dp))
    );
 
    return (a + 0.5*da1 + 0.5*da2)/fi.x();
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
    makeTypeFieldSource
    (
        fvScalarFieldSource,
        ParkRogakSurfaceAreaVolumeRatioFvScalarFieldSource
    );
}
 
// ************************************************************************* //