velocityRampingTemplates.C

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

template<class AlphaRhoFieldType>
void Foam::fv::velocityRamping::add
(
    const AlphaRhoFieldType& alphaRho,
    fvMatrix<vector>& eqn,
    const label fieldi
)
{
    const DimensionedField<scalar, volMesh>& V = mesh_.V();

    const scalar t = mesh_.time().value();
    const scalar dt = mesh_.time().deltaTValue();
    const vector dU = velocity_*(ramp_->value(t) - ramp_->value(t - dt));
    const vector a = dU/mesh_.time().deltaTValue();

    forAll(cells_, i)
    {
        const label c = cells_[i];
        eqn.source()[c] -= V[c]*alphaRho[c]*a;
    }
}


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