Anthony - Can you try with a recent snapshot? This might have been fixed. CG
> On 9 Jan 2018, at 00:06, Anthony Gee <[email protected]> wrote: > > Hello, > > I'm Anthony Gee. I am using gmsh 3.0.6 to generate nodes for high order > interpolation. I found some odd behavior when meshing a sphere with cubic and > higher 2D elements. I can only observe this from the exported .msh file with > ASCII 2.0. Somehow, one or more of the elements include an internal node that > should be in a different element. I've attached a picture of one such > element. The blue points are the nodes of one element from the .msh file for > a sphere with ~8000 cubic elements. The orange point is the central node and > shows the misplaced node for that element. I have observed this with higher > order and more elements but lower order or less elements seems ok. > > I'm not sure why this occurs or whether it shows up in other structures. I > could not find a fix in the geometry or meshing options. I've attached my > .geo and .msh file. For this case, I generated the 2D mesh and only used > refine by splitting command a few times to get 8192 triangles. Please let me > know if I made a mistake somewhere. Thank you. > > Anthony Gee > <gmshcheck.jpg><sphere.geo.opt><sphere.geo><sphere.msh>_______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info _______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
