[Gmsh] Some hints to solve self intersecting surface errors?

[Mario Ceresa]

Dear all,
My workflow is to use Sketchup to quickly create the geometry, export it 
as iges and then mesh it with gmsh. Sometimes, usually when I have many 
co-planar faces, I get the error:
"Self intersecting surface mesh, computing intersections"

and meshing fails. I attach an example. I tried "Cut-and-merge-faces" 
option but it segfaults during 2d meshing.

Which is the proper way to solve this? Is there a way to "see" the 
problematic faces so to know which parts of the geometry to change?

Thanks and regards,

Mario

-------------- next part --------------
A non-text attachment was scrubbed...
Name: fsi_test.zip
Type: application/zip
Size: 32713 bytes
Desc: not available
URL: <http://www.geuz.org/pipermail/gmsh/attachments/20130819/6a66d87d/attachment.zip>