[Gmsh] Gmsh crashes wile creating a mesh

Christophe Geuzaine cgeuzaine at ulg.ac.be
Mon Jun 30 20:46:14 CEST 2008


Moritz Nadler wrote:
> Hallo,
> 
> I am new to Gmsh and failing to create new first own mesh:
> 
> I have written this .geo file:
> 
> clHigh = 0.00001;
> clLow = 0.001;
> Point(1) = {0,0,0,clLow};
> Point(2) = {0.06,0,0,clLow};
> Point(3) = {0.06,0.04025,0,clLow};
> Point(4) = {0,0.04025,0,clLow};
> Point(5) = {0.02,0.02,0,clHigh};
> Point(6) = {0.04,0.02,0,clHigh};
> Point(7) = {0.04,0.02025,0,clHigh};
> Point(8) = {0.02,0.02025,0,clHigh};
> Line(1) = {1,2};
> Line(2) = {2,3};
> Line(3) = {3,4};
> Line(4) = {4,1};
> Line(5) = {5,6};
> Line(6) = {6,7};
> Line(7) = {7,8};
> Line(8) = {8,5};
> Line Loop(9) = {3,4,1,2};
> Line Loop(10) = {7,8,5,6};
> Plane Surface(11) = {9,10};
> 
> 
> this looks a bit like:
> 
> 0--------------0
> 0              0
> 0              0
> 0   0======0   0
> 0              0
> 0              0
> 0--------------0
> 
> if I load this file with the Gmsh GUI and click on mesh->2D (or 1D)
> Gmsh uses ALL my memory (2 GB) and then fills my hole swap partition (1.4 GB) and then gets killed 
> automatically be the OS ( Ubuntu linux 8.04)
> 
> Does anyone know what to do to the this geo file meshed?
> 

It seems to work fine over here (on MacOS and Linux 32 bits). But we
have seen similar issues on some 64 bit Linux machine. Could you try
with the "-rand 1.e-8" command line arguement?



> thanks in advance for any help and
> kind regards
> 
> Moritz Nadler
> 
> _______________________________________________
> gmsh mailing list
> gmsh at geuz.org
> http://www.geuz.org/mailman/listinfo/gmsh
> 
> 


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