foam-extend4.1-coherent-io/applications/solvers/multiphase/twoPhaseEulerFoam/kineticTheoryModels/granularPressureModel/Lun/LunPressure.C

/*---------------------------------------------------------------------------*\
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   \\    /   O peration     | Version:     4.1
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#include "LunPressure.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
    defineTypeNameAndDebug(LunPressure, 0);

    addToRunTimeSelectionTable
    (
        granularPressureModel,
        LunPressure,
        dictionary
    );
}


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

Foam::LunPressure::LunPressure(const dictionary& dict)
:
    granularPressureModel(dict)
{}


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

Foam::LunPressure::~LunPressure()
{}


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

Foam::tmp<Foam::volScalarField> Foam::LunPressure::granularPressureCoeff
(
    const volScalarField& alpha,
    const volScalarField& g0,
    const dimensionedScalar& rhoa,
    const dimensionedScalar& e
) const
{

    return rhoa*alpha*(1.0 + 2.0*(1.0 + e)*alpha*g0);
}


Foam::tmp<Foam::volScalarField> Foam::LunPressure::granularPressureCoeffPrime
(
    const volScalarField& alpha,
    const volScalarField& g0,
    const volScalarField& g0prime,
    const dimensionedScalar& rhoa,
    const dimensionedScalar& e
) const
{
    return rhoa*(1.0 + alpha*(1.0 + e)*(4.0*g0 + 2.0*g0prime*alpha));
}

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