linear.C

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    Copyright (C) 2014-2015 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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    for more details.
 
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#include "linear.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace blendingMethods
{
    defineTypeNameAndDebug(linear, 0);
 
    addToRunTimeSelectionTable
    (
        blendingMethod,
        linear,
        dictionary
    );
}
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::blendingMethods::linear::linear
(
    const dictionary& dict,
    const wordList& phaseNames
)
:
    blendingMethod(dict)
{
    for (const word& phaseName : phaseNames)
    {
        maxFullyDispersedAlpha_.insert
        (
            phaseName,
            dimensionedScalar
            (
                IOobject::groupName("maxFullyDispersedAlpha", phaseName),
                dimless,
                dict
            )
        );
 
        maxPartlyDispersedAlpha_.insert
        (
            phaseName,
            dimensionedScalar
            (
                IOobject::groupName("maxPartlyDispersedAlpha", phaseName),
                dimless,
                dict
            )
        );
 
        if
        (
            maxFullyDispersedAlpha_[phaseName]
          > maxPartlyDispersedAlpha_[phaseName]
        )
        {
            FatalErrorInFunction
                << "The supplied fully dispersed volume fraction for "
                << phaseName
                << " is greater than the partly dispersed value."
                << endl << exit(FatalError);
        }
    }
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::blendingMethods::linear::f1
(
    const phaseModel& phase1,
    const phaseModel& phase2
) const
{
    const dimensionedScalar
        maxFullAlpha(maxFullyDispersedAlpha_[phase1.name()]);
    const dimensionedScalar
        maxPartAlpha(maxPartlyDispersedAlpha_[phase1.name()]);
 
    return
        min
        (
            max
            (
                (phase1 - maxFullAlpha)
               /(maxPartAlpha - maxFullAlpha + SMALL),
                scalar(0)
            ),
            scalar(1)
        );
}
 
 
Foam::tmp<Foam::volScalarField> Foam::blendingMethods::linear::f2
(
    const phaseModel& phase1,
    const phaseModel& phase2
) const
{
    const dimensionedScalar
        maxFullAlpha(maxFullyDispersedAlpha_[phase2.name()]);
    const dimensionedScalar
        maxPartAlpha(maxPartlyDispersedAlpha_[phase2.name()]);
 
    return
        min
        (
            max
            (
                (maxPartAlpha - phase2)
               /(maxPartAlpha - maxFullAlpha + SMALL),
                scalar(0)
            ),
            scalar(1)
        );
}
 
 
// ************************************************************************* //