1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation, either version 3 of the License, or
14 (at your option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
28 Calculates and writes the enstrophy of the velocity field U.
30 The -noWrite option just outputs the max/min values without writing the
33 \*---------------------------------------------------------------------------*/
38 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
40 void Foam::calc(const argList& args, const Time& runTime, const fvMesh& mesh)
42 bool writeResults = !args.optionFound("noWrite");
52 if (Uheader.headerOk())
54 Info<< " Reading U" << endl;
55 volVectorField U(Uheader, mesh);
57 Info<< " Calculating enstrophy" << endl;
58 volScalarField enstrophy
67 0.5*magSqr(fvc::curl(U))
70 Info<< "enstrophy(U) max/min : "
71 << max(enstrophy).value() << " "
72 << min(enstrophy).value() << endl;
81 Info<< " No U" << endl;
84 Info<< "\nEnd\n" << endl;
88 // ************************************************************************* //