[Getfem-users] Re2: python getfem++ is killed

Fri, 24 Feb 2012 11:32:59 -0800

Dear Yves Renard,

 

that's strange. This part of the code runs at my system without any problems. If I use y instead of x[2] I get the error message "NameError: name 'y' is not defined".

 

I'm using ubuntu 11.10 with getfem++ 4.1.1.

 

Kind regards,

Radames

 

-----Ursprüngliche Nachricht-----
Von: "Yves Renard" [[email protected]]
Gesendet: Tue. 21.02.2012 16:01
An: [email protected]
Kopie: [email protected]
Betreff: Re: [Getfem-users] python getfem++ is killed
When I run your program, I have a problem with the eval methods :

 mfpt.eval("c*(x[1]-r) * I",{'c':c, 'r':r_tube, 'I':I})
p_o = mfpo.eval("p(x[2]) * I",{'p':p_atm , 'I':I})
p_i = mfpi.eval("p(x[2]) * I",{'p':p_tube, 'I':I})

Normally, x[1] and x[2] are not defined. The available coordinates are the scalar variables x, y and z.

But I have an error message ...

Yves.





Le 20/02/2012 21:38, [email protected] a écrit :

Dear all,

my getfem++ model is killed with signal 9 and I've no idea why.

I try to use gmsh and getfem++ to calculate the deformation of a pressurized tube. I model the tube as a thin walled cylinder with top and bottom in gmsh. I use python as the interface to getfem++ to describe the high inside pressure, the lower outside pressure, the asymmetric top pressure and a diriclet bottom. When I run this programm it starts, but it crashes without any hint why.


I tried this with different length of the cylinder, with different thickness of the walls, and with meshes of different granularity. The result is always the same: the program is killed. Only with a very small flat cylinder it succeeded, but I'm interested in the behaviour of a long tube-like cylinder. I've suspected the main memory, but I've added plenty of virtual memory without an observable change.

Can you give me any hints how to overcome the problem or what I'm doing wrong?

 

Many thanks in advance.

 

Kind regards,
Radames



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-- Yves Renard ([email protected]) tel : (33) 04.72.43.87.08 Pole de Mathematiques, INSA-Lyon fax : (33) 04.72.43.85.29 20, rue Albert Einstein 69621 Villeurbanne Cedex, FRANCE http://math.univ-lyon1.fr/~renard ---------

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