128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright held by original author
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Application
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patchIntegrate
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Description
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Calculates the integral of the specified field over the specified patch.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main(int argc, char *argv[])
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{
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timeSelector::addOptions();
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argList::validArgs.append("fieldName");
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argList::validArgs.append("patchName");
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# include "setRootCase.H"
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# include "createTime.H"
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instantList timeDirs = timeSelector::select0(runTime, args);
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# include "createMesh.H"
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word fieldName(args.additionalArgs()[0]);
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word patchName(args.additionalArgs()[1]);
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forAll(timeDirs, timeI)
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{
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runTime.setTime(timeDirs[timeI], timeI);
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Info<< "Time = " << runTime.timeName() << endl;
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IOobject fieldHeader
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(
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fieldName,
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runTime.timeName(),
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mesh,
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IOobject::MUST_READ
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);
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// Check field exists
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if (fieldHeader.headerOk())
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{
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mesh.readUpdate();
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label patchi = mesh.boundaryMesh().findPatchID(patchName);
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if (patchi < 0)
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{
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FatalError
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<< "Unable to find patch " << patchName << nl
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<< exit(FatalError);
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}
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// Give patch area
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Info<< " Patch area = " << gSum(mesh.Sf().boundaryField()[patchi]) << endl;
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if (fieldHeader.headerClassName() == "volScalarField")
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{
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Info<< " Reading volScalarField " << fieldName << endl;
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volScalarField field(fieldHeader, mesh);
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vector sumField = gSum
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(
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mesh.Sf().boundaryField()[patchi]
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* field.boundaryField()[patchi]
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);
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Info<< " Integral of " << fieldName << " over patch "
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<< patchName << '[' << patchi << ']' << " = "
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<< sumField << nl;
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}
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else if (fieldHeader.headerClassName() == "surfaceScalarField")
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{
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Info<< " Reading surfaceScalarField " << fieldName << endl;
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surfaceScalarField field(fieldHeader, mesh);
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scalar sumField = gSum(field.boundaryField()[patchi]);
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Info<< " Integral of " << fieldName << " over patch "
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<< patchName << '[' << patchi << ']' << " = "
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<< sumField << nl;
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}
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else
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{
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FatalError
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<< "Only possible to integrate volScalarFields "
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<< "and surfaceScalarFields" << nl << exit(FatalError);
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}
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}
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else
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{
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Info<< " No field " << fieldName << endl;
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}
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Info<< endl;
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}
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Info<< "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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