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https://develop.openfoam.com/Development/openfoam.git
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851639c0f5
iterations as with 3D. Size function and controller parameters hard coded. Produces seg faults from CGAL intermittently on point insertions, whether the exact or inexact kernel is used, in FULLDEBUG or NDEBUG builds. Submitted query to cgal mailing list.
116 lines
3.4 KiB
C
116 lines
3.4 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) 2007-2009 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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CV2DMesher
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Description
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Conformal-Voronoi 2D automatic mesher with grid or read initial points
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and point position relaxation with optional "squarification".
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\*---------------------------------------------------------------------------*/
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#include "CV2D.H"
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#include "argList.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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argList args(argc, argv);
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// Read control dictionary
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// ~~~~~~~~~~~~~~~~~~~~~~~
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dictionary controlDict(IFstream(args.executable() + "Dict")());
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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(args.args()[1]);
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surf.writeTreeOBJ();
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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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CV2D mesh(controlDict, surf);
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if (args.options().found("pointsFile"))
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{
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fileName pointFileName(IStringStream(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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for (int iter=1; 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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scalar relax =
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mesh.meshingControls().relaxationFactorStart
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+
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(
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mesh.meshingControls().relaxationFactorEnd
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- mesh.meshingControls().relaxationFactorStart
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)
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*scalar(iter)/scalar(nIterations);
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Info<< "Relaxation = " << relax << endl;
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mesh.newPoints(relax);
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}
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mesh.write();
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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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