equilibrium.C

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#include "equilibrium.H"
#include "addToRunTimeSelectionTable.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
namespace TimeScaleModels
{
    defineTypeNameAndDebug(equilibrium, 0);

    addToRunTimeSelectionTable
    (
        TimeScaleModel,
        equilibrium,
        dictionary
    );
}
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::TimeScaleModels::equilibrium::equilibrium
(
    const dictionary& dict
)
:
    TimeScaleModel(dict)
{}


Foam::TimeScaleModels::equilibrium::equilibrium
(
    const equilibrium& hc
)
:
    TimeScaleModel(hc)
{}


// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //

Foam::TimeScaleModels::equilibrium::~equilibrium()
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

Foam::tmp<Foam::FieldField<Foam::Field, Foam::scalar>>
Foam::TimeScaleModels::equilibrium::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 =
        16.0/sqrt(3.0*constant::mathematical::pi)
       *0.25*(1.0 - e_*e_);

    return
        a
       *alpha*sqrt(max(uSqr, scalar(0)))/max(r32, small)
       *alphaPacked_/max(alphaPacked_ - alpha, small);
}


// ************************************************************************* //