LaakkonenAlopaeusAittamaaDsd.C

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    Copyright (C) 2018 OpenFOAM Foundation
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License
    This file is part of OpenFOAM.
 
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#include "LaakkonenAlopaeusAittamaaDsd.H"
#include "addToRunTimeSelectionTable.H"
#include "breakupModel.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace diameterModels
{
namespace daughterSizeDistributionModels
{
    defineTypeNameAndDebug(LaakkonenAlopaeusAittamaaDsd, 0);
    addToRunTimeSelectionTable
    (
        daughterSizeDistributionModel,
        LaakkonenAlopaeusAittamaaDsd,
        dictionary
    );
}
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::diameterModels::daughterSizeDistributionModels::
LaakkonenAlopaeusAittamaaDsd::LaakkonenAlopaeusAittamaaDsd
(
    const breakupModel& breakup,
    const dictionary& dict
)
:
    daughterSizeDistributionModel(breakup, dict)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::diameterModels::daughterSizeDistributionModels::
LaakkonenAlopaeusAittamaaDsd::~LaakkonenAlopaeusAittamaaDsd()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::dimensionedScalar
Foam::diameterModels::daughterSizeDistributionModels::
LaakkonenAlopaeusAittamaaDsd::calcNik
(
    const label i,
    const label k
) const
{
    const dimensionedScalar& xi = breakup_.popBal().sizeGroups()[i].x();
    const dimensionedScalar& xk = breakup_.popBal().sizeGroups()[k].x();
    const UPtrList<sizeGroup>& sizeGroups = breakup_.popBal().sizeGroups();
 
    if (i == 0)
    {
        const dimensionedScalar& xii = sizeGroups[i+1].x();
 
        return
            (
                5.0*pow4(xii)*sqr(xk) - 12.0*pow5(xi)*xii + 10.0*pow6(xi)
              - (20.0*pow3(xi)*xii - 15.0*pow4(xi))*sqr(xk) - 6.0*pow5(xii)*xk
              - (24*pow5(xi) - 30*pow4(xi)*xii)*xk + 2*pow6(xii)
            )
           /((xii - xi)*pow5(xk));
    }
    else if (i == k)
    {
        const dimensionedScalar& x = sizeGroups[i-1].x();
 
        return
            (
                (15.0*pow4(xi) - 20.0*x*pow3(xi))*sqr(xk)
              + 5.0*pow4(x)*sqr(xk) + (30.0*x*pow4(xi) - 24.0*pow5(xi))*xk
              - 6.0*pow5(x)*xk + 10.0*pow6(xi) - 12.0*x*pow5(xi) + 2.0*pow6(x)
            )
           /((xi - x)*pow5(xk));
    }
    else
    {
        const dimensionedScalar& x = sizeGroups[i-1].x();
        const dimensionedScalar& xii = sizeGroups[i+1].x();
 
        return
            (
                5.0*pow4(xii)*sqr(xk) - 12.0*pow5(xi)*xii + 10.0*pow6(xi)
              - (20.0*pow3(xi)*xii - 15.0*pow4(xi))*sqr(xk) - 6.0*pow5(xii)*xk
              - (24*pow5(xi) - 30*pow4(xi)*xii)*xk + 2*pow6(xii)
            )
           /((xii - xi)*pow5(xk))
          + (
                (15.0*pow4(xi) - 20.0*x*pow3(xi))*sqr(xk)
              + 5.0*pow4(x)*sqr(xk) + (30.0*x*pow4(xi) - 24.0*pow5(xi))*xk
              - 6.0*pow5(x)*xk + 10.0*pow6(xi) - 12.0*x*pow5(xi) + 2.0*pow6(x)
            )
           /((xi - x)*pow5(xk));
    }
}
 
 
// ************************************************************************* //