[Gmsh] Meshing an extruded object

[David Colignon]

Silver, Barry wrote:
> Hi David
>  
> Thanks for the reply.
>  
> Here is the contents of the .geo file . I want to extrude this object by 
> rotation 


Axis, angle ?


and then mesh it both externally and internally.
>  
> Point(1) = {0, 0, 0};
> Point(2) = {1, 0, 0};
> Point(3) = {-1, 0, 0};
> Point(4) = {0, 1, 0};
> Point(5) = {0, -1, 0};
> Circle(1) = {4, 1, 3};
> Circle(2) = {4, 1, 2};
> Line(3) = {3, 5};
> Line(4) = {5, 2};


What Extrude command have you tried so far ?


> Please advise on the most appropriate/effecient way to this .


Could you first read the tutorials t2.geo and t3.geo ?

http://www.geuz.org/gmsh/doc/texinfo/gmsh-full.html#SEC65

http://www.geuz.org/gmsh/doc/texinfo/gmsh-full.html#SEC66

also in gmsh/tutorials/

and see gmsh/demos/cone.geo
         gmsh/demos/pripyrtet.geo
	
Cheers,

Dave

>  
> Cheers
>  
> Barry
> 
> ------------------------------------------------------------------------
> *From:* David Colignon [mailto:David.Colignon at ulg.ac.be]
> *Sent:* Mon 8/10/2009 07:28
> *To:* Silver, Barry
> *Cc:* gmsh at geuz.org
> *Subject:* Re: [Gmsh] Meshing an extruded object
> 
> Hi Barry,
> 
> can you send us your .geo file ?
> 
> Cheers,
> 
> Dave
> 
> --
> David Colignon, Ph.D.
> Collaborateur Logistique du F.R.S.-FNRS
> CÉCI - Consortium des Équipements de Calcul Intensif
> ACE - Applied & Computational Electromagnetics
> Sart-Tilman B28
> Université de Liège
> 4000 Liège - BELGIQUE
> Tél: +32 (0)4 366 37 32
> Fax: +32 (0)4 366 29 10
> WWW:    http://hpc.montefiore.ulg.ac.be/
> Agenda: http://www.google.com/calendar/embed?src=david.colignon%40gmail.com
> 
> 
> 
> Silver, Barry wrote:
>  > Hi
>  > 
>  > I am novice and may be asking a simple question. Apologies in advance.
>  > 
>  > I have drawn a 2d object which is tear-drop shaped and I have extruded ,
>  > via rotation, this object about 4 times to obtain a 3d object. The
>  > object is shaped like a lightbulb
>  > 
>  > When I try and mesh the newly created 3d object, Gmsh crashes ...what I
>  > am doing wrong ?
>  > 
>  > Regards
>  > 
>  > Barry
>  >
>  >
>  > ------------------------------------------------------------------------
>  >
>  > _______________________________________________
>  > gmsh mailing list
>  > gmsh at geuz.org
>  > http://www.geuz.org/mailman/listinfo/gmsh
>