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 Finite volume method test code.
30 \*---------------------------------------------------------------------------*/
34 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
36 int main(int argc, char *argv[])
39 # include "setRootCase.H"
41 # include "createTime.H"
42 # include "createMesh.H"
44 volScalarField fx(pow(mesh.C().component(vector::X), 2));
46 volScalarField gradx4(fvc::grad(fx)().component(vector::X));
49 //volVectorField curlC(fvc::curl(1.0*mesh.C()));
53 surfaceScalarField xf(mesh.Cf().component(vector::X));
54 surfaceScalarField xf4(pow(xf, 4));
56 for (int i=1; i<xf4.size()-1; i++)
58 scalar gradx4a = (xf4[i] - xf4[i-1])/(xf[i] - xf[i-1]);
59 Info<< (gradx4a - gradx4[i])/gradx4a << endl;
67 // ************************************************************************* //