108 lines
3 KiB
C
108 lines
3 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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wallGradU
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Description
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Calculates and writes the gradient of U at the wall
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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timeSelector::addOptions();
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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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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 Uheader
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(
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"U",
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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 (Uheader.headerOk())
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{
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mesh.readUpdate();
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Info<< " Reading U" << endl;
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volVectorField U(Uheader, mesh);
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Info<< " Calculating wallGradU" << endl;
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volVectorField wallGradU
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(
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IOobject
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(
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"wallGradU",
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runTime.timeName(),
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mesh,
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IOobject::NO_READ,
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IOobject::AUTO_WRITE
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),
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mesh,
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dimensionedVector
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(
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"wallGradU",
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U.dimensions()/dimLength,
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vector::zero
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)
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);
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forAll(wallGradU.boundaryField(), patchi)
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{
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wallGradU.boundaryField()[patchi] =
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-U.boundaryField()[patchi].snGrad();
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}
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wallGradU.write();
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}
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else
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{
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Info<< " No U" << endl;
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}
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}
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Info<< "End" << endl;
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return 0;
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}
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// ************************************************************************* //
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