[Gmsh] CROD for Nastran

[Christophe Geuzaine]

> On 9 Nov 2019, at 15:19, GUY Arthur <arthur.guy at live.fr> wrote:
> 
> Hello, 
>  
> When exporting mesh to .bdf,  gmsh makes by default CBAR for lines. I would like to know if there is anyway to get CROD and CBAR on chosen elements ? Couldn’t find anything about that.

Indeed, we simply output CBAR as element type for 2-node lines in BDF format (see Geo/MLine.h). You can just replace the occurrences in the output file. 

@gmsh users: would it be interesting to have the ability to change the "finite element type" in BDF and INP output files (these format encode more than the geometry...)?

Christophe
 

>  
> Thanks a lot,
>  
> Arthur GUY
>  
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine