nonEquilibrium.C

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/*---------------------------------------------------------------------------*\
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  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
     \\/     M anipulation  |
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License
    This file is part of OpenFOAM.
 
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#include "nonEquilibrium.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace TimeScaleModels
{
    defineTypeNameAndDebug(nonEquilibrium, 0);
 
    addToRunTimeSelectionTable
    (
        TimeScaleModel,
        nonEquilibrium,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::TimeScaleModels::nonEquilibrium::nonEquilibrium
(
    const dictionary& dict
)
:
    TimeScaleModel(dict)
{}
 
 
Foam::TimeScaleModels::nonEquilibrium::nonEquilibrium
(
    const nonEquilibrium& hc
)
:
    TimeScaleModel(hc)
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::TimeScaleModels::nonEquilibrium::~nonEquilibrium()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::tmp<Foam::FieldField<Foam::Field, Foam::scalar> >
Foam::TimeScaleModels::nonEquilibrium::oneByTau
(
    const FieldField<Field, scalar>& alpha,
    const FieldField<Field, scalar>& r32,
    const FieldField<Field, scalar>& uSqr,
    const FieldField<Field, scalar>& f
) const
{
    static const scalar a =
        8.0*sqrt(2.0)/(3.0*constant::mathematical::pi)
       *0.25*(1.0 - e_*e_);
 
    return a*f*alphaPacked_/max(alphaPacked_ - alpha, SMALL);
}
 
 
// ************************************************************************* //