115 lines
3.3 KiB
C
115 lines
3.3 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) 2007-2010 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
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the Free Software Foundation, either version 3 of the License, or
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(at your 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, see <http://www.gnu.org/licenses/>.
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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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