Add the OpenFOAM source tree

applications/test/fvc/Make/files

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+Test-fvc.C
+
+EXE = $(FOAM_USER_APPBIN)/Test-fvc

applications/test/fvc/Make/options

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+EXE_INC = \
+    -I$(LIB_SRC)/finiteVolume/lnInclude
+
+EXE_LIBS = \
+    -lfiniteVolume

applications/test/fvc/Test-fvc.C

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+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Application
+    test
+
+Description
+    Finite volume method test code.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    #include "setRootCase.H"
+
+    #include "createTime.H"
+    #include "createMesh.H"
+
+    volScalarField fx(pow(mesh.C().component(vector::X), 1));
+    fx.write();
+    volScalarField gradx4(fvc::grad(fx)().component(vector::X));
+    gradx4.write();
+
+    volVectorField curlC(fvc::curl(1.0*mesh.C()));
+    curlC.write();
+
+    surfaceScalarField xf(mesh.Cf().component(vector::X));
+    surfaceScalarField xf4(pow(xf, 4));
+
+    for (int i=1; i<xf4.size()-1; i++)
+    {
+        scalar gradx4a = (xf4[i] - xf4[i-1])/(xf[i] - xf[i-1]);
+        Info<< (gradx4a - gradx4[i])/gradx4a << endl;
+    }
+
+    Info<< "end" << endl;
+}
+
+
+// ************************************************************************* //