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133 lines
3.6 KiB
C
133 lines
3.6 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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CV3DMesher
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Description
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Conformal-Voronoi 3D automatic mesher
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "CV3D.H"
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#include "IFstream.H"
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using namespace Foam;
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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::noParallel();
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argList::validArgs.clear();
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argList::validArgs.append("surface");
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argList::validOptions.insert("pointsFile", "<filename>");
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# include "setRootCase.H"
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# include "createTime.H"
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// Read control dictionary
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// ~~~~~~~~~~~~~~~~~~~~~~~
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dictionary controlDict
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(
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IFstream(runTime.system()/args.executable() + "Dict")()
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);
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label nIterations(readLabel(controlDict.lookup("nIterations")));
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// Read the surface to conform to
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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querySurface surf
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(
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args.args()[1],
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readScalar(controlDict.lookup("includedAngle"))
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);
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Info<< nl
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<< "Read surface with " << surf.size() << " triangles from file "
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<< args.args()[1] << nl << endl;
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// Read and triangulation
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// ~~~~~~~~~~~~~~~~~~~~~~
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CV3D mesh(controlDict, surf);
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if (args.options().found("pointsFile"))
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{
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fileName pointFileName(args.options()["pointsFile"]);
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mesh.insertPoints(pointFileName);
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mesh.insertSurfacePointPairs();
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mesh.boundaryConform();
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}
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else
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{
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mesh.insertGrid();
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mesh.insertSurfacePointPairs();
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mesh.boundaryConform();
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}
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scalar relaxation =
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mesh.meshingControls().relaxationFactorStart;
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scalar relaxationDelta =
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(
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mesh.meshingControls().relaxationFactorStart
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- mesh.meshingControls().relaxationFactorEnd
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)
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/max(nIterations, 1);
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for (label iter = 0; iter < nIterations; iter++)
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{
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Info<< nl
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<< "Relaxation iteration " << iter << nl
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<< "~~~~~~~~~~~~~~~~~~~~~~~~" << endl;
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Info<< "relaxation = " << relaxation << endl;
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mesh.relaxPoints(relaxation);
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mesh.removeSurfacePointPairs();
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mesh.insertSurfacePointPairs();
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mesh.boundaryConform();
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relaxation -= relaxationDelta;
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}
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mesh.write();
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mesh.writeDual("dualMesh.obj");
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mesh.writeMesh(runTime);
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Info << nl << "End\n" << endl;
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return 0;
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}
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// ************************************************************************* //
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