1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. 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 // ************************************************************************* //