[Gmsh] Save all nodes but not 2D shell meshes in the physical surfaces

[Christophe Geuzaine]

> On 23 Mar 2020, at 22:51, Xingsheng Sun <xssun10 at gmail.com> wrote:
> 
> The output file is in the key format.
> 
> On Mon, Mar 23, 2020 at 2:27 PM Xingsheng Sun <xssun10 at gmail.com> wrote:
> Hi All,
> 
> I am using Transfinite commend to generate 3D hex meshes. Now I want to save all the 3D meshes, and only the nodes, but NOT the 2D shell meshes, in the predefined physical surfaces. I used "Mesh.SaveGroupsOfNodes = 1", but the 2D shell meshes are always in the output file. Could any people tell me how to resolve the problem? Thanks in advance.
> 

The KEY format exporter has a couple of undocumented features. They will probably be modified in the future, but for now you can set

Mesh.SaveAll = 32;

in your script to disable the saving of 2D element sets.

Christophe

> Best,
> Xingsheng
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine