Ok, nervermind: Setting "nm = 1.;" instead of "nm = 1.e-9" at the very first line of 'holes.geo' works fine.
Regards, Guillaume On Thu, 18 Feb 2010 09:13:28 -0500, [email protected] wrote: > Dear Gmsh Users and Developers, > > I would need to impose biperiodic boundary conditions on two sets of > parallel surfaces in the attached geometry (respectively parallel to > zOx and zOy). > > Originally, I was planning to use identical unstructured mesh on these > surfaces, but as far as I understood, my only options consist in using > (i) an extrusion of surfaces or (ii) the Transfinite Algo which both > lead to structured surface mesh. > > I have considered these two last options: > (i) I did not manage to extrude the mesh in both directions. Thus, > after extruding one surface in one direction (say Ox) and deleting all > the middle entries (as mentioned in > http://www.geuz.org/pipermail/gmsh/2009/004416.html), I still have to > extrude it in the Oy direction, which leads me to define some points > twice (?). > > (ii) I tried to use Transfinite Surfaces, like in the attached geo > file. I used MeshAdapt for the 2D part which generates proper 2D > meshes. Everything seems to be OK until the 3D meshing part: > - Delaunay overwrites my identical surface mesh as mentioned in some > past mail. > - Frontal leads to unexpected multiple "Error : Edge a - b multiple > times in surface mesh" > > Is there any workaround? > Should I use Extrude instead? > > Eventually, I would like to end up with a fine mesh in the so-called > groove physical volume (n°6000), and ideally a mesh that goes > progressively coarser when reaching the top (resp. bottom) of the > physical region 5000=PML_top (resp. 1000=PML_bot). However, it seems > that Transfinite doesn't enjoy this kind of setting, e.g. > "paramaille_hol>paramaille". Would you have any solution in mind, > compatible with my earlier issue ? > > Thank you very much for your time. > > Best, > > Guillaume Demésy, > Postdoc at University of Toronto. > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > _______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
