115 lines
3.9 KiB
C
115 lines
3.9 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) 2011 OpenFOAM Foundation
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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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\*----------------------------------------------------------------------------*/
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#include "CV2D.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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void Foam::CV2D::insertSurfaceNearPointPairs()
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{
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Info<< "insertSurfaceNearPointPairs: ";
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label nNearPoints = 0;
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for
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(
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Triangulation::Finite_edges_iterator eit = finite_edges_begin();
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eit != finite_edges_end();
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eit++
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)
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{
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Vertex_handle v0h = eit->first->vertex(cw(eit->second));
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Vertex_handle v1h = eit->first->vertex(ccw(eit->second));
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if (v0h->ppMaster() && v1h->ppMaster())
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{
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point2DFromPoint v0(toPoint2D(v0h->point()));
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point2DFromPoint v1(toPoint2D(v1h->point()));
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// Check that the two triangle vertices are further apart than the
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// minimum cell size
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if (magSqr(v1 - v0) > meshControls().minCellSize2())
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{
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point2D e0(toPoint2D(circumcenter(eit->first)));
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point2D e1
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(
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toPoint2D(circumcenter(eit->first->neighbor(eit->second)))
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);
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// Calculate the length^2 of the edge normal to the surface
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scalar edgeLen2 = magSqr(e0 - e1);
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if (edgeLen2 < meshControls().minNearPointDist2())
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{
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pointIndexHit pHit;
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label hitSurface = -1;
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qSurf_.findSurfaceNearest
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(
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toPoint3D(e0),
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meshControls().minEdgeLen2(),
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pHit,
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hitSurface
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);
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if (pHit.hit())
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{
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vectorField norm(1);
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qSurf_.geometry()[hitSurface].getNormal
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(
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List<pointIndexHit>(1, pHit),
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norm
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);
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insertPointPair
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(
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meshControls().ppDist(),
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toPoint2D(pHit.hitPoint()),
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toPoint2D(norm[0])
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);
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nNearPoints++;
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// Correct the edge iterator for the change in the
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// number of edges following the point-pair insertion
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eit = Finite_edges_iterator
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(
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finite_edges_end().base(),
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eit.predicate(),
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eit.base()
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);
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}
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}
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}
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}
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}
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Info<< nNearPoints << " point-pairs inserted" << endl;
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}
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// ************************************************************************* //
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