[Gmsh] Gmsh crashes when translating a volume

[Ruth V. Sabariego]

There is a problem with the line loop just after Translate:
The lines in the Line Loop do not exist.
After that, the Extrude of Surface 12 is ok, but Surface 13 does not exist.

Regards,
Ruth

On 30/07/11 13:27, Rui Maciel wrote:
> While toying around with Gmsh I've stumbled on a volume translation 
> which crashes the program.  The .geo file is as follows:
>
> // Gmsh project created on Sat Jul 30 12:10:15 2011
> Point(1) = {0, 0, 0, 1.0};
> Point(2) = {1, 0, 0, 1.0};
> Point(3) = {1, 1, 0, 1.0};
> Point(4) = {0, 1, 0, 1.0};
> Point(5) = {0, 0, 1, 1.0};
> Point(6) = {1, 0, 1, 1.0};
> Point(7) = {1, 1, 1, 1.0};
> Point(8) = {0, 1, 1, 1.0};
> Line(1) = {5, 6};
> Line(2) = {6, 7};
> Line(3) = {7, 8};
> Line(4) = {8, 5};
> Delete {
>   Point{2, 3, 4, 1};
> }
> Point(9) = {1.25, 0, 0, 1.0};
> Point(10) = {1.25, 1, 0, 1.0};
> Point(11) = {1.25, 1, 1, 1.0};
> Point(12) = {1.25, 0, 1, 1.0};
> Line(5) = {12, 9};
> Line(6) = {9, 10};
> Line(7) = {10, 11};
> Line(8) = {11, 12};
> Line Loop(9) = {5, 6, 7, 8};
> Plane Surface(10) = {9};
> Line Loop(11) = {2, 3, 4, 1};
> Plane Surface(12) = {11};
> Translate {0, 0.25, -0.25} { Surface{10}; }
> Line Loop(18) = {15, 16, 17, 14};
> Plane Surface(19) = {18};
> Extrude {0, 0, -1.10} {
>   Surface{12};
> }
> Extrude {-1, 0, 0} {
>   Surface{13};
> }
> Coherence;
>
>
> The crash message is as follows:
>
> rui at Kubuntu:femp$ gmsh
>  ** On entry to DGESVD parameter number  6 had an illegal value
>
>
> Rui Maciel
>
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>

-- 
Dr. Ir. Ruth V. Sabariego
University of Liege, Dept. of Electrical Engineering&  Computer Science,
Applied&  Computational Electromagnetics (ACE),
phone: +32-4-3663737 - fax: +32-4-3662910 - http://ace.montefiore.ulg.ac.be/