[Gmsh] "problem" for a non-specialist...

Jean-Francois Remacle jean-francois.remacle at uclouvain.be
Wed Apr 22 20:27:53 CEST 2009


Le 22-avr.-09 à 18:35, Sandie Leconte a écrit :

> Good evening,
>
> I'm working at Musée de la musique in Paris, and i'm in charge of  
> the physical measurements for a better conservation of the musical  
> instruments of the collection.
> In this goal, i'm using CAST3M, a french finite code element to  
> study the mechanical behaviour of soundboards due to string tension.
> For a new piano, somebody gave me the technical drawing of this  
> musical instrument (made with turbo cad) and i have to export it for  
> castem...
> Sorry for telling you all the story !
> Finally, i wanted to use gmsh to import my .igs file (from turbo  
> cad) and mesh it (to .geo), bit it didn't succeed ....
> Of course, i tried the tutorial, but i don't understand where the  
> problem is....
> I join to this message my file, may be you will have time to help  
> me ...
>
> Thanks for your response,
>

Hello,

Your file only contains un bunch of curves, and no surfaces. It is  
possible
to create surfaces in gmsh.

Yet, all your curves have no topological connexions, i.e. they do not
form closed loops. So, it is difficult to do surface meshing with that  
cad.

JF


>
> best regards
>
> -----------------------/////-------------------------------
> -----------ooO----@  @----0oo--------------------
> -------------------------()---------------------------------
> Sandie Le Conte
> Ingenieur de Recherche
> Laboratoire de Recherche et de
> Restauration du Musee de la Musique
> 221 Av Jean Jaures   75019 Paris
> Tel 33 (0)1 44 84 46 82
> Fax 33 (0)1 44 84 46 41
> <vue dessus table.igs>_______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh

----------------
Prof. Jean-Francois Remacle
Universite catholique de Louvain (UCL)
Tel : +32-10-472082 -- Mobile : +32-473-909930




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