hyperbolic.C

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    Copyright (C) 2014-2018 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
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#include "hyperbolic.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace blendingMethods
{
    defineTypeNameAndDebug(hyperbolic, 0);
 
    addToRunTimeSelectionTable
    (
        blendingMethod,
        hyperbolic,
        dictionary
    );
}
}
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::blendingMethods::hyperbolic::hyperbolic
(
    const dictionary& dict,
    const wordList& phaseNames
)
:
    blendingMethod(dict),
    transitionAlphaScale_("transitionAlphaScale", dimless, dict)
{
    for (const word& phaseName : phaseNames)
    {
        minContinuousAlpha_.insert
        (
            phaseName,
            dimensionedScalar
            (
                IOobject::groupName("minContinuousAlpha", phaseName),
                dimless,
                dict
            )
        );
    }
}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField> Foam::blendingMethods::hyperbolic::f1
(
    const phaseModel& phase1,
    const phaseModel& phase2
) const
{
    return
        (
            1
          + tanh
            (
                (4/transitionAlphaScale_)
               *(phase2 - minContinuousAlpha_[phase2.name()])
            )
        )/2;
}
 
 
Foam::tmp<Foam::volScalarField> Foam::blendingMethods::hyperbolic::f2
(
    const phaseModel& phase1,
    const phaseModel& phase2
) const
{
    return
        (
            1
          + tanh
            (
                (4/transitionAlphaScale_)
               *(phase1 - minContinuousAlpha_[phase1.name()])
            )
        )/2;
}
 
 
// ************************************************************************* //