/*--------------------------------*- C++ -*----------------------------------*\ ========= | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / O peration | Version: v2212 \\ / A nd | Website: www.openfoam.com \\/ M anipulation | ------------------------------------------------------------------------------- Description Calculates the second invariant of the velocity gradient tensor. \*---------------------------------------------------------------------------*/ type Q; libs (fieldFunctionObjects); field U; executeControl writeTime; writeControl writeTime; // ************************************************************************* //