Frank.C

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License
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#include "Frank.H"
#include "addToRunTimeSelectionTable.H"

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

namespace Foam
{
namespace wallLubricationModels
{
    defineTypeNameAndDebug(Frank, 0);
    addToRunTimeSelectionTable
    (
        wallLubricationModel,
        Frank,
        dictionary
    );
}
}


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

Foam::wallLubricationModels::Frank::Frank
(
    const dictionary& dict,
    const phaseInterface& interface
)
:
    dispersedWallLubricationModel(dict, interface),
    Cwd_("Cwd", dimless, dict),
    Cwc_("Cwc", dimless, dict),
    p_(dict.lookup<scalar>("p"))
{}


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

Foam::wallLubricationModels::Frank::~Frank()
{}


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

Foam::tmp<Foam::volVectorField> Foam::wallLubricationModels::Frank::Fi() const
{
    const volVectorField Ur(interface_.Ur());

    const volVectorField& n(nWall());
    const volScalarField& y(yWall());

    const volScalarField Eo(interface_.Eo());
    const volScalarField yTilde(y/(Cwc_*interface_.dispersed().d()));

    return zeroGradWalls
    (
        (
            pos0(Eo - 1)*neg(Eo - 5)*exp(-0.933*Eo + 0.179)
          + pos0(Eo - 5)*neg(Eo - 33)*(0.00599*Eo - 0.0187)
          + pos0(Eo - 33)*0.179
        )
       *max
        (
            dimensionedScalar(dimless/dimLength, 0),
            (1 - yTilde)/(Cwd_*y*pow(yTilde, p_ - 1))
        )
       *interface_.continuous().rho()
       *magSqr(Ur - (Ur & n)*n)
       *n
    );
}


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