129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*---------------------------------------------------------------------------*\
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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 (C) 1991-2007 OpenCFD Ltd.
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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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magGrad
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Description
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Calculates and writes the scalar magnitude of a scalar or vector field
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at each time
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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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argList::validArgs.append("field");
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# include "addTimeOptions.H"
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# include "setRootCase.H"
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# include "createTime.H"
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// Get times list
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instantList Times = runTime.times();
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// set startTime and endTime depending on -time and -latestTime options
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# include "checkTimeOptions.H"
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const word fieldName(args.additionalArgs()[0]);
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runTime.setTime(Times[startTime], startTime);
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# include "createMesh.H"
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for (label i=startTime; i<endTime; i++)
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{
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runTime.setTime(Times[i], i);
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Info<< "Time = " << runTime.timeName() << endl;
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IOobject header
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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 U exists
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if (header.headerOk())
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{
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mesh.readUpdate();
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if (header.headerClassName() == volVectorField::typeName)
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{
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Info<< " Reading " << fieldName << endl;
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volVectorField U(header, mesh);
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volScalarField magGrad
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(
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IOobject
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(
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"magGrad" + fieldName,
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runTime.timeName(),
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mesh,
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IOobject::NO_READ
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),
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mag(fvc::grad(U))
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);
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Info<< " Calculating " << magGrad.name() << endl;
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magGrad.write();
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}
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else if (header.headerClassName() == volScalarField::typeName)
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{
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Info<< " Reading " << fieldName << endl;
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volScalarField U(header, mesh);
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volScalarField magGrad
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(
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IOobject
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(
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"magGrad" + fieldName,
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runTime.timeName(),
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mesh,
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IOobject::NO_READ
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),
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mag(fvc::grad(U))
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);
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Info<< " Calculating " << magGrad.name() << endl;
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magGrad.write();
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}
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}
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else
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{
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Info<< " No " << fieldName << endl;
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}
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}
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return(0);
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}
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// ************************************************************************* //
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