[Gmsh] Curved elements in interior

Christophe Geuzaine cgeuzaine at ulg.ac.be
Wed Jun 18 22:32:26 CEST 2014

On 09 Jun 2014, at 16:30, gmsh at praveen.e4ward.com wrote:

> Hello
> I am generating second order elements like this
> Mesh.ElementOrder = 2;
> Mesh.SecondOrderIncomplete = 1
> which produces eight node quads for me. If I have a circular boundary, then the edges on this boundary are curved. But all the interior edges seem to be straight. Is it possible to e.g., smooth the mesh etc., so that boundary curvature propagates into the interior.

Currently only if the elements are of bad quality (see "Mesh->High order tools"). In your case the elements are nice so we don't modify them.

> I have attached an example of interest to me.
> Thanks
> praveen
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science