Indeed for some reason OpenCASCADE does not seem to like creating a shell
("surface loop") with the given surface.Here's another way to generate the volume without any additional points:
extrude2.geo
Description: Binary data
> On 27 Nov 2018, at 16:51, Alessandro Vicini <[email protected]> > wrote: > > > Ok, as I cannot create the volume from the revolution surface, I changed the > geo file as you can see in the attached file. > Now the problem is that gmsh does not allow to generate a surface with the > boundaries that you can see in Far.jpg. > What could be the solution? Of course I could copy all the points along every > direction, but is it possible to avoid this? Thank you. > > A. > > > > -----Messaggio originale----- > Da: Christophe Geuzaine [mailto:[email protected]] > Inviato: martedì 27 novembre 2018 13:32 > A: Alessandro Vicini > Cc: [email protected] > Oggetto: Re: [Gmsh] Problem with extrusion > > > >> On 27 Nov 2018, at 13:26, Alessandro Vicini <[email protected]> >> wrote: >> >> Ok, thank you, in the meantime I had found that out. From the manual >> I was supposing that should work also with the built-in geometry >> Kernel… > > Indeed; it's just a particular case that the built-in kernel does not > handle... > >> >> A. >> >> >> Da: Christophe Geuzaine [mailto:[email protected]] >> Inviato: martedì 27 novembre 2018 13:25 >> A: Alessandro Vicini >> Cc: [email protected] >> Oggetto: Re: [Gmsh] Problem with extrusion >> >> >> >> >> On 27 Nov 2018, at 11:17, Alessandro Vicini <[email protected]> >> wrote: >> >> >> Considering the attached geo file, why there is no surface generated by the >> extrusion? Thank you. >> >> The built-in CAD engine is quite limited for the extrusion of curves: it >> will not create surfaces if the origin and the destination curve are the >> only ones bounding the resulting surface. >> >> You can use SetFactory("OpenCASCADE"); for such geometries: >> >> <image001.png> >> >> >> >> >> Regards, >> >> Alessandro >> >> <extrude.geo>_______________________________________________ >> gmsh mailing list >> [email protected] >> >> https://urlsand.esvalabs.com/?u=http%3A%2F%2Fonelab.info%2Fmailman%2Fl >> istinfo%2Fgmsh&e=99874c11&h=b695f178&f=y&p=y >> >> — >> Prof. Christophe Geuzaine >> University of Liege, Electrical Engineering and Computer Science >> https://urlsand.esvalabs.com/?u=http%3A%2F%2Fwww.montefiore.ulg.ac.be% >> 2F~geuzaine&e=99874c11&h=66aea005&f=y&p=y >> >> Free software: >> https://urlsand.esvalabs.com/?u=http%3A%2F%2Fgmsh.info&e=99874c11&h=8b >> 6add38&f=y&p=y | >> https://urlsand.esvalabs.com/?u=http%3A%2F%2Fgetdp.info&e=99874c11&h=3 >> 9444c51&f=y&p=y | >> https://urlsand.esvalabs.com/?u=http%3A%2F%2Fonelab.info&e=99874c11&h= >> ee5a38c8&f=y&p=y >> > > — > Prof. Christophe Geuzaine > University of Liege, Electrical Engineering and Computer Science > https://urlsand.esvalabs.com/?u=http%3A%2F%2Fwww.montefiore.ulg.ac.be%2F~geuzaine&e=99874c11&h=66aea005&f=y&p=y > > > Free software: > https://urlsand.esvalabs.com/?u=http%3A%2F%2Fgmsh.info&e=99874c11&h=8b6add38&f=y&p=y > | > https://urlsand.esvalabs.com/?u=http%3A%2F%2Fgetdp.info&e=99874c11&h=39444c51&f=y&p=y > | > https://urlsand.esvalabs.com/?u=http%3A%2F%2Fonelab.info&e=99874c11&h=ee5a38c8&f=y&p=y > > > <Far.geo><Far.jpg> — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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