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foam-extend4.1-coherent-io/applications/utilities/postProcessing/patch/patchIntegrate/patchIntegrate.C

127 lines
4.1 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ 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
patchIntegrate
Description
Calculates the integral 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);
}
// Give patch area
Info<< " Patch area = " << gSum(mesh.Sf().boundaryField()[patchi]) << endl;
if (fieldHeader.headerClassName() == "volScalarField")
{
Info<< " Reading volScalarField " << fieldName << endl;
volScalarField field(fieldHeader, mesh);
vector sumField = gSum
(
mesh.Sf().boundaryField()[patchi]
* field.boundaryField()[patchi]
);
Info<< " Integral of " << fieldName << " over patch "
<< patchName << '[' << patchi << ']' << " = "
<< sumField << nl;
}
else if (fieldHeader.headerClassName() == "surfaceScalarField")
{
Info<< " Reading surfaceScalarField " << fieldName << endl;
surfaceScalarField field(fieldHeader, mesh);
scalar sumField = gSum(field.boundaryField()[patchi]);
Info<< " Integral of " << fieldName << " over patch "
<< patchName << '[' << patchi << ']' << " = "
<< sumField << nl;
}
else
{
FatalError
<< "Only possible to integrate volScalarFields "
<< "and surfaceScalarFields" << nl << exit(FatalError);
}
}
else
{
Info<< " No field " << fieldName << endl;
}
Info<< endl;
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //