[Gmsh] bug with optimize 3D

Ziyu ZHANG buaazhangziyu at gmail.com
Sun Apr 13 17:42:02 CEST 2014


As another Gmsh user, I just want to confirm that I have seen the same
thing after a tet mesh is refined via *.pos files. Usually one or two slim
elements have a node penetrating its opposite facet, rendering a negative
elemental Jacobian. Hopefully someone can take a look at this issue...

-Ziyu


On Sat, Apr 12, 2014 at 8:26 AM, Ahmad Khodaiee <a.khodaiee at gmail.com>wrote:

> Dear Geuzaine and Remacle
> With thanks for Gmsh.
>
> I think, after optimization of a 3D mesh (tetrahedron elements), node
> numbering order disturb in some cases.
> In the attached picture, I illustrated this problem.
> In this picture, Node numbering for 310165th element have been shown.
> This numbering order, violate The aforementioned numbering order law.
>
> Yours sincerely.
> Khodaiee
>
> [image: Inline image 1]
>
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh
>
>


-- 
Ziyu ZHANG 張子瑜
PhD Student
Duke Computational Mechanics Laboratory
Department of Civil & Environmental Engineering
Duke University
Office: 919-660-5031
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.geuz.org/pipermail/gmsh/attachments/20140413/f5ef2543/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Untitled.png
Type: image/png
Size: 40483 bytes
Desc: not available
URL: <http://www.geuz.org/pipermail/gmsh/attachments/20140413/f5ef2543/attachment.png>