[Gmsh] Problem with volume definition

Christophe Geuzaine cgeuzaine at uliege.be
Sun Jul 14 23:03:40 CEST 2019

Could you also check with Gmsh 4.4 ?


> On 8 Jul 2019, at 15:12, Alessandro Vicini <alessandro.vicini at sitael.com> wrote:
> In the attached Test_05.geo file (together with spline.geo and background.geo which are merged into it), I need to generate the Volume between the internal and external surfaces (which would be the difference between volumes 2 and 1, as defined in the file).
> The problem is that, in the definition of the internal volume, gmsh sees its boundary surfaces as “embedded”, as can be seen from the attached screen.jpg. This is maintained when the new volume is generated, so that the “hole” is not obtained.
> Somebody could please suggest how to work this out? Thank you!
> Alessandro
> <background.geo><spline.geo><Test_05.geo><screen.jpg>_______________________________________________
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Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 

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