foam-extend4.1-coherent-io/applications/solvers/multiphase/twoPhaseEulerFoam/kineticTheoryModels/granularPressureModel/SyamlalRogersOBrien/SyamlalRogersOBrienPressure.C

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#include "SyamlalRogersOBrienPressure.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
    defineTypeNameAndDebug(SyamlalRogersOBrienPressure, 0);

    addToRunTimeSelectionTable
    (
        granularPressureModel,
        SyamlalRogersOBrienPressure,
        dictionary
    );
}


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

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


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

Foam::SyamlalRogersOBrienPressure::~SyamlalRogersOBrienPressure()
{}


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

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

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


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


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