Function calc

src/functionObjects/field/Lambda2/Lambda2.C:50–74

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

bool Foam::functionObjects::Lambda2::calc()
{
    if (foundObject<volVectorField>(fieldName_))
    {
        const volVectorField& U = lookupObject<volVectorField>(fieldName_);
        const tmp<volTensorField> tgradU(fvc::grad(U));
        const volTensorField& gradU = tgradU();

        const volTensorField SSplusWW
        (
            (symm(gradU) & symm(gradU))
          + (skew(gradU) & skew(gradU))
        );

        return store
        (
            resultName_,
           -eigenValues(SSplusWW)().component(vector::Y)
        );
    }
    else
    {
        return false;
    }
}


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