1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright held by original author
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 the
13 Free Software Foundation; either version 2 of the License, or (at your
14 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, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Calculates and writes the enstrophy of the velocity field U.
31 The -noWrite option just outputs the max/min values without writing the
34 \*---------------------------------------------------------------------------*/
39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
41 void Foam::calc(const argList& args, const Time& runTime, const fvMesh& mesh)
43 bool writeResults = !args.optionFound("noWrite");
53 if (Uheader.headerOk())
55 Info<< " Reading U" << endl;
56 volVectorField U(Uheader, mesh);
58 Info<< " Calculating enstrophy" << endl;
59 volScalarField enstrophy
68 0.5*magSqr(fvc::curl(U))
71 Info<< "enstrophy(U) max/min : "
72 << max(enstrophy).value() << " "
73 << min(enstrophy).value() << endl;
82 Info<< " No U" << endl;
85 Info<< "\nEnd\n" << endl;
89 // ************************************************************************* //