Exemplos de CdsRe em C++ (Cpp)

Exemplo n.º 1

Arquivo: SyamlalOBrien.C Projeto: petebachant/OpenFOAM-dev

Foam::tmp<Foam::volScalarField> Foam::dragModels::SyamlalOBrien::CdRe() const
{
    volScalarField alpha2
    (
        max(scalar(1) - pair_.dispersed(), pair_.continuous().residualAlpha())
    );

    volScalarField A(pow(alpha2, 4.14));
    volScalarField B
    (
        neg(alpha2 - 0.85)*(0.8*pow(alpha2, 1.28))
      + pos0(alpha2 - 0.85)*(pow(alpha2, 2.65))
    );
    volScalarField Re(pair_.Re());
    volScalarField Vr
    (
        0.5
       *(
            A - 0.06*Re + sqrt(sqr(0.06*Re) + 0.12*Re*(2.0*B - A) + sqr(A))
        )
    );
    volScalarField CdsRe(sqr(0.63*sqrt(Re) + 4.8*sqrt(Vr)));

    return
        CdsRe
       *max(pair_.continuous(), pair_.continuous().residualAlpha())
       /sqr(Vr);
}

Exemplo n.º 2

Arquivo: WenYu.C Projeto: BarisCumhur/OpenFOAM-2.3.x

Foam::tmp<Foam::volScalarField> Foam::dragModels::WenYu::CdRe() const
{
    volScalarField alpha2(max(scalar(1) - pair_.dispersed(), residualAlpha_));
    volScalarField Re(pair_.Re());
    volScalarField CdsRe
    (
        neg(Re - 1000)*24.0*(1.0 + 0.15*pow(Re, 0.687))
      + pos(Re - 1000)*0.44*max(Re, residualRe_)
    );

    return
        CdsRe
       *pow(alpha2, -2.65)
       *max(pair_.continuous(), residualAlpha_);
}

Exemplo n.º 3

Arquivo: GidaspowSchillerNaumann.C Projeto: GJOMAA/OpenFOAM-dev

Foam::tmp<Foam::volScalarField>
Foam::dragModels::GidaspowSchillerNaumann::CdRe() const
{
    volScalarField alpha2
    (
        max(scalar(1) - pair_.dispersed(), pair_.continuous().residualAlpha())
    );

    volScalarField Re(alpha2*pair_.Re());

    volScalarField CdsRe
    (
        neg(Re - 1000)*24.0*(1.0 + 0.15*pow(Re, 0.687))/alpha2
      + pos(Re - 1000)*0.44*max(Re, residualRe_)
    );

    return
        CdsRe
       *pow(alpha2, -2.65)
       *max(pair_.continuous(), pair_.continuous().residualAlpha());
}