[Gmsh] meshing rounded surfaces
Christophe Geuzaine
geuzaine at acm.caltech.edu
Fri Nov 5 18:26:22 CET 2004
Magdalena Stolarska wrote:
> I am working on a dynamic, large-deformation, moving mesh problem. I
> use gmsh to generate the original mesh, and for the particular problem
> on which I am working I have been generating hemispherical or
> semi-ellipoidal meshes. The problem that I am having is that near the
> rounded surface of the mesh, the nodes of the tetrahedra mesh to be
> nearly co-planar, and this is causing problems within a few time
> iterations. I realize that one way to solve the problem is to
> periodically remesh. However, I want to be able to do this as
> infrequently as possible. So, my question is: Is there anyway to
> control how coplanar some of the nodes in 3d tetrahedral meshes are?
Try "Mesh->Optimize quality" (or "-optimize" on the command line).
Christophe
--
Christophe Geuzaine
Applied and Computational Mathematics, Caltech
geuzaine at acm.caltech.edu - http://geuz.org