[Gmsh] gmsh-errors

[Christophe Geuzaine]

klzhang04 at mails.gucas.ac.cn wrote:
> hello,
> 
> I want to generate mesh with Gmsh today, but there was an error info as follow, and 
> it cannot run normally now, and more seriously this error makes my computer very slow. How could i do with this?
> 

check your characteristic lengths: are they "reasonable" (not too small)?


>  Is Physical Line(8) wrong?
> 
> Thanks very much
> 
> Best Regards
> 
> Keliang Zhang
> 
>>>>>>>>>>>>>>>>>>>>>>>> error  info>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> Info    : -------------------------------------------------------
> Info    : Gmsh version   : 2.0.7
> Info    : Build OS       : CYGWIN_NT-5.1-no-cygwin
> Info    : Build options  : GSL TRIANGLE NETGEN TETGEN JPEG PNG ZLIB MATHEVAL ANN OCC 
> Info    : Build date     : Mon Apr  2 21:27:29 RDT 2007
> Info    : Build host     : winxp
> Info    : Packager       : Administrator
> Info    : Home directory : C:\DOCUME~1\klzhang\LOCALS~1\Temp/
> Info    : Launch date    : Tue Jan 22 16:28:04 2008
> Info    : Command line   : G:\mesh\Gmsh\gmsh.exe 
> Info    : -------------------------------------------------------
> Info    : Reading 'G:/mesh/Gmsh/project/ac'
> Info    : Read 'G:/mesh/Gmsh/project/ac'
> Info    : Point(1) = {0,0,0,0.1};
> Info    : Point(2) = {1,0,0,0.1};
> Info    : Point(3) = {1,0.4,0,0.1};
> Info    : Point(4) = {0,0.4,0,0.1};
> Info    : Line(1) = {4,3};
> Info    : Line(2) = {3,2};
> Info    : Line(3) = {2,1};
> Info    : Line(4) = {1,4};
> Info    : Line Loop(5) = {1,2,3,4};
> Info    : Plane Surface(6) = {5};
> Info    : Physical Line(7) = {2};
> Info    : Physical Line(8) = {1,4,3};
> Info    : Physical Surface(9) = {6};
> Info    : Meshing 1D...
> Info    : Meshing curve 1
> Info    : Meshing curve 2
> Info    : Meshing curve 3
> Info    : Meshing curve 4
> Info    : Mesh 1D complete (0 s)
> Info    : Mesh
> Info    : Meshing 2D...
> Info    : Meshing surface 6 (Plane)
> Error   : 3 identical points in Qtest
> Fatal   : Segmentation violation (invalid memory reference)
>         : ------------------------------------------------------
>         : You have discovered a bug in Gmsh! You may report it
>         : by e-mail (together with any helpful data permitting to
>         : reproduce it) to <gmsh at geuz.org>
> Info    : Writing 'C:\DOCUME~1\klzhang\LOCALS~1\Temp/.gmsh-errors'
>>>>>>>>>>>>>>>>>>>>>>> end of error info>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> 
> 
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> 
> 


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