openfoam/applications/utilities/postProcessing/patch/patchAverage/patchAverage.C
Mark Olesen e9876723e6 Adjust some utilities to use postCalc wrapper or timeSelector directly.
When required, also adjusted to use XXXApp.C for the source name.
Adjusted some names in preparation for merge with master.
2008-05-21 10:19:23 +02:00

119 lines
3.7 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
Application
patchAverage
Description
Calculates the average of the specified field over the specified patch.
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
timeSelector::addOptions();
argList::validArgs.append("fieldName");
argList::validArgs.append("patchName");
# include "setRootCase.H"
# include "createTime.H"
instantList timeDirs = timeSelector::select0(runTime, args);
# include "createMesh.H"
word fieldName(args.additionalArgs()[0]);
word patchName(args.additionalArgs()[1]);
forAll(timeDirs, timeI)
{
runTime.setTime(timeDirs[timeI], timeI);
Info<< "Time = " << runTime.timeName() << endl;
IOobject fieldHeader
(
fieldName,
runTime.timeName(),
mesh,
IOobject::MUST_READ
);
// Check field exists
if (fieldHeader.headerOk())
{
mesh.readUpdate();
label patchi = mesh.boundaryMesh().findPatchID(patchName);
if (patchi < 0)
{
FatalError
<< "Unable to find patch " << patchName << nl
<< exit(FatalError);
}
if (fieldHeader.headerClassName() == "volScalarField")
{
Info<< " Reading volScalarField " << fieldName << endl;
volScalarField field(fieldHeader, mesh);
scalar area = sum(mesh.magSf().boundaryField()[patchi]);
scalar sumField = 0;
if (area > 0)
{
sumField = sum
(
mesh.magSf().boundaryField()[patchi]
* field.boundaryField()[patchi]
) / area;
}
Info<< " Average of " << fieldName << " over patch "
<< patchName << '[' << patchi << ']' << " = "
<< sumField << endl;
}
else
{
FatalError
<< "Only possible to average volScalarFields "
<< nl << exit(FatalError);
}
}
else
{
Info<< " No field " << fieldName << endl;
}
Info<< endl;
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //