Function transformation

src/waves/waveSuperposition/waveSuperposition.C:31–53

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

void Foam::waveSuperposition::transformation
(
    const vectorField& p,
    tensor& axes,
    scalar& u,
    vectorField& xyz
) const
{
    const uniformDimensionedVectorField& g =
        db_.lookupObject<uniformDimensionedVectorField>("g");
    const scalar magG = mag(g.value());
    const vector gHat = g.value()/magG;

    const vector dSurf = direction_ - gHat*(gHat & direction_);
    const scalar magDSurf = mag(dSurf);
    const vector dSurfHat = direction_/magDSurf;

    axes = tensor(dSurfHat, - gHat ^ dSurfHat, - gHat);

    u = speed_*magDSurf;

    xyz = axes & (p - origin_);
}


Foam::tmp<Foam::scalarField> Foam::waveSuperposition::elevation