[Gmsh] Attractor and 3D algo
walter.steffe at alice.it
Fri Mar 31 18:48:35 CEST 2017
I am trying to generate a tetrahedral mesh with edge refinements
specified by attractors.
I have tried both the isotopic versions:
case 1) Attractor, ALGO_2D_DELAUNAY, ALGO_3D_DELAUNAY
case 2) AttractorAnisoCurve, ALGO_2D_BAMG, ALGO_3D_DELAUNAY
I have seen that the 2D mesh is ostainfluenced by the attractor but the
2D mesh is not.
To be more precise the 3D mesh changes but only to conform with the
The 3D mesh size does not change within the range dMin-dMax as expected.
It changes only on the surface.
You can see this effect in the annexed picture. The surface mesh is very
refined near the edge but the tetrahedra
dimensions are still large in the directions orthogonal to the edge.
Is this a limitation of the 3D algorithms or there is a problem with my
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