openfoam/applications/utilities/postProcessing/velocityField/divU/calcDivU.C
2008-04-15 18:56:58 +01:00

79 lines
2.2 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2007 OpenCFD Ltd.
\\/ 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 2 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, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Global
calcDivU
Description
Calculates and writes the divergence of velocity field U
\*---------------------------------------------------------------------------*/
#include "calc.H"
#include "fvc.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void Foam::calc(const argList& args, const Time& runTime, const fvMesh& mesh)
{
bool writeResults = !args.options().found("noWrite");
Info<< " Reading U" << endl;
volVectorField U
(
IOobject
(
"U",
runTime.timeName(),
mesh,
IOobject::MUST_READ
),
mesh
);
Info<< " Calculating divU" << endl;
volScalarField divU
(
IOobject
(
"divU",
runTime.timeName(),
mesh
),
fvc::div(U)
);
Info<< "div(phi) max/min : "
<< max(divU).value() << " "
<< min(divU).value() << endl;
if (writeResults)
{
divU.write();
}
}
// ************************************************************************* //