Usher.C

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License
    This file is part of OpenFOAM.
 
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#include "Usher.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
namespace packingDispersionModels
{
    defineTypeNameAndDebug(Usher, 0);
    addToRunTimeSelectionTable
    (
        packingDispersionModel,
        Usher,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
 
template<class T>
inline auto Foam::packingDispersionModels::Usher::sigma1(const T& alphad) const
{
    return sigma01_*pow
    (
        (alphad - alphaGel_)
       /(alphacp_ - alphad)*(b1_ + alphad - alphaGel_),
        n1_
    );
}
 
 
template<class T>
inline auto Foam::packingDispersionModels::Usher::sigmaPrime1
(
    const T& alphad
) const
{
    return n1_*sigma01_*pow
    (
        (alphad - alphaGel_)
       /(alphacp_ - alphad)*(b1_ + alphad - alphaGel_),
        n1_ + 1
    )
   *(b1_*(alphacp_ - alphaGel_)/sqr(alphad - alphaGel_) + 1);
}
 
 
template<class T>
inline auto Foam::packingDispersionModels::Usher::sigma2(const T& alphad) const
{
    return sigma02_*pow
    (
        (alphad - alphag_)
       /(alphaMax_ - alphad)*(b2_ + alphad - alphag_),
        n2_
    );
}
 
 
template<class T>
inline auto Foam::packingDispersionModels::Usher::sigmaPrime2
(
    const T& alphad
) const
{
    return n2_*sigma02_*pow
    (
        (alphad - alphag_)
       /(alphaMax_ - alphad)*(b2_ + alphad - alphag_),
        n2_ + 1
    )
   *(b2_*(alphaMax_ - alphag_)/sqr(alphad - alphag_) + 1);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::packingDispersionModels::Usher::Usher
(
    const dictionary& dict,
    const relativeVelocityModel& relativeVelocity
)
:
    packingDispersionModel(relativeVelocity),
    alphaGel_("alphaGel", dimless, dict),
    alphap_("alphap", dimless, dict),
    alphag_("alphap", dimless, dict),
    alphacp_("alphacp", dimless, dict),
    alphaMax_("alphaMax", dimless, dict),
    b1_("b1", dimless, dict),
    n1_("n1", dimless, dict),
    sigma01_("sigma01", sqr(dimVelocity), dict),
    b2_("b2", dimless, dict),
    n2_
    (
        "n2",
        sigmaPrime1(alphap_)/sigma1(alphap_)
       *(alphaMax_ - alphap_)*(alphap_ - alphag_)
       *(b2_ + alphap_ - alphag_)
       /((b2_*(alphaMax_ - alphag_) + sqr(alphap_ - alphag_)))
    ),
    sigma02_
    (
        "sigma02",
        sigma1(alphap_)
       *pow((alphaMax_ - alphap_)*(b2_ + alphap_ - alphag_), n2_)
       /pow(alphap_ - alphag_, n2_)
    )
{}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::packingDispersionModels::Usher::~Usher()
{}
 
 
// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
Foam::tmp<Foam::volScalarField>
Foam::packingDispersionModels::Usher::sigmaPrime() const
{
    const volScalarField& alphad = mixture_.alphad();
 
    return
        pos(alphad - alphaGel_)*pos(alphap_ - alphad)*sigmaPrime1(alphad)
      + pos(alphad - alphap_)*pos(alphaMax_ - alphad)*sigmaPrime2(alphad);
}
 
 
// ************************************************************************* //