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ENH: cv2DMesh and cvMesh: Addition of 2D mesher.

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cv2DMesh: Initial commit
cvMesh: Constructors take Time argument instead of conformalVoronoiMesh
This commit is contained in:
laurence
2011-11-11 09:55:46 +00:00
parent f93ae77a86
commit 7b88ff0824
43 changed files with 5628 additions and 75 deletions
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115
applications/utilities/mesh/generation/cv2DMesh/insertSurfaceNearPointPairs.C Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2007-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*----------------------------------------------------------------------------*/
#include "CV2D.H"
#include "treeDataTriSurface.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
void Foam::CV2D::insertSurfaceNearPointPairs()
{
Info<< "insertSurfaceNearPointPairs: ";
label nNearPoints = 0;
for
(
Triangulation::Finite_edges_iterator eit = finite_edges_begin();
eit != finite_edges_end();
eit++
)
{
Vertex_handle v0h = eit->first->vertex(cw(eit->second));
Vertex_handle v1h = eit->first->vertex(ccw(eit->second));
if (v0h->ppMaster() && v1h->ppMaster())
{
point2DFromPoint v0(toPoint2D(v0h->point()));
point2DFromPoint v1(toPoint2D(v1h->point()));
// Check that the two triangle vertices are further apart than the
// minimum cell size
if (magSqr(v1 - v0) > controls_.minCellSize2)
{
point2D e0(toPoint2D(circumcenter(eit->first)));
point2D e1
(
toPoint2D(circumcenter(eit->first->neighbor(eit->second)))
);
// Calculate the length^2 of the edge normal to the surface
scalar edgeLen2 = magSqr(e0 - e1);
if (edgeLen2 < tols_.minNearPointDist2)
{
pointIndexHit pHit;
label hitSurface = -1;
qSurf_.findSurfaceNearest
(
toPoint3D(e0),
tols_.minEdgeLen2,
pHit,
hitSurface
);
if (pHit.hit())
{
vectorField norm(1);
qSurf_.geometry()[hitSurface].getNormal
(
List<pointIndexHit>(1, pHit),
norm
);
insertPointPair
(
tols_.ppDist,
toPoint2D(pHit.hitPoint()),
toPoint2D(norm[0])
);
nNearPoints++;
// Correct the edge iterator for the change in the
// number od edges following the point-pair insertion
eit = Finite_edges_iterator
(
finite_edges_end().base(),
eit.predicate(),
eit.base()
);
}
}
}
}
}
Info<< nNearPoints << " point-pairs inserted" << endl;
}
// ************************************************************************* //