> On 3 May 2017, at 10:36, Zenker, Dr. Matthias <matthias.zen...@erbe-med.com> > wrote: > > Thank you! > > Does it work also with STEP data imported from CAD?
Yes! > > Matthias > >> -----Ursprüngliche Nachricht----- >> Von: Christophe Geuzaine [mailto:cgeuza...@ulg.ac.be] >> Gesendet: Mittwoch, 3. Mai 2017 10:34 >> An: Zenker, Dr. Matthias >> Cc: andrew; gmsh@onelab.info >> Betreff: Re: [Gmsh] boolean partitioning >> >> >> Have a look at the new boolean examples, e.g. >> >> https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__gitlab.onelab.info_gmsh_gmsh_blob_master_demos_boolean_comps >> olid.geo&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q-IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpe >> DRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=xHnc46KE5L6ugWGTfy >> _YoQoMQy6J3MVGy7jh30SFFLo&e= >> https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__gitlab.onelab.info_gmsh_gmsh_blob_master_demos_boolean_comps >> olid2.geo&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q-IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpe >> DRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=NcLs864W46WNKIoHZ >> E2UBNMZprqYawTICL8jZpa7UfM&e= >> >> BooleanFragments does exactly what you need. >> >> >>> On 3 May 2017, at 10:14, Zenker, Dr. Matthias <Matthias.Zenker@erbe- >> med.com> wrote: >>> >>> Hi, >>> >>> I would also be interested in that functionality. It would resolve the old >> “duplicated surfaces” problem that forced me (and others) to leave gmsh >> and do the meshing with Salomé, even though IMHO gmsh does a better job >> especially in 3D meshing – in Salomé, only netgen is available as 3D >> algorithm >> in the free version. >>> BTW there seems to be a macro permitting to use gmsh in Salomé, see >>> this post at the Salomé forum: >>> https://urldefense.proofpoint.com/v2/url?u=http-3A__salome- >> 2Dplatform. >>> org_forum_forum-5F12_953948027- >> 23494327180&d=DwIFaQ&c=7vND7vRFB1FzfxRX >>> c-X80O-MJSZd5Q-IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57D >>> >> Mr4&m=2mpeDRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=bweZW >> T8PCF107y-xPl >>> l629T-vfFUIANxsy48ZRnkG6Q&e= >>> I haven’t tested it, though. >>> To export a geometry from Salomé to gmsh, I have sometimes had success >> using brep format. >>> >>> Matthias >>> >>> Von: andrew [mailto:armit...@gmail.com] >>> Gesendet: Dienstag, 2. Mai 2017 19:58 >>> An: gmsh@onelab.info >>> Betreff: [Gmsh] boolean partitioning >>> >>> >>> hi, >>> >>> In Salome which uses the opencascade model there is a Boolean operation >> called partition. With this you can create a solid from two others but with a >> shared face. A usage of that is the creation of meshes with internal walls >> in it >> with zero thickness aka 'baffles'. Is there a procedure in gmsh that can give >> the same results given that it has implemented the same opencascade >> model? Obviously there is a way to have such results if you give the precise >> geometry but sometimes it is very difficult to cut geometries and it is >> easier if >> gmsh could do that. >>> >>> Attached is an image of a mesh with internal baffles created with >> partitioning and the geometry that created it. I would prefer t if gmsh could >> do the meshing but I haven't found a way to load the geometry to gmsh from >> Salome. >>> >>> kind regards >>> >>> Andrew >>> >>> >>> Erbe Elektromedizin GmbH Firmensitz: 72072 Tuebingen >>> Geschaeftsfuehrer: Christian O. Erbe, Reiner Thede Registergericht: >>> Stuttgart HRB 380137 >>> >>> _______________________________________________ >>> gmsh mailing list >>> gmsh@onelab.info >>> https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__onelab.info_mailma >>> n_listinfo_gmsh&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q- >> IVyyYW-Ff2gY >>> >> &r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpeDRom >> 3Noibyq90RXwK >>> UzWF1rJRcO6ZGHMbIFv5so&s=1HcJ-0ygfx48c3Da61c9yCkbIwdzENB- >> tgduaWTphlg&e >>> = >> >> -- >> Prof. Christophe Geuzaine >> University of Liege, Electrical Engineering and Computer Science >> https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__www.montefiore.ulg.ac.be_- >> 7Egeuzaine&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q-IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpe >> DRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=Rsm5qmhcl3JpPSdvAti >> aBKbqvMhdzkyxX8uE3jKAKHE&e= >> >> Free software: https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__gmsh.info&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q- >> IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpe >> DRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=5_brZJaZk840OH5gfAB >> Xdz5Zx3tnyWbIxZ_vyUwBPx0&e= | >> https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__getdp.info&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q- >> IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpe >> DRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=0o8fOH2Rmfqo2itgtsiJ >> b7x8fphtSImxHSJPALRPblU&e= | >> https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__onelab.info&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q- >> IVyyYW- >> Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=2mpe >> DRom3Noibyq90RXwKUzWF1rJRcO6ZGHMbIFv5so&s=aINKFEeEpZBn6P7toEf >> THkiX9PY4exsvpqL5Sbt0HxU&e= > > ________________________________ > > Erbe Elektromedizin GmbH Firmensitz: 72072 Tuebingen Geschaeftsfuehrer: > Christian O. Erbe, Reiner Thede Registergericht: Stuttgart HRB 380137 > -- 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 _______________________________________________ gmsh mailing list gmsh@onelab.info http://onelab.info/mailman/listinfo/gmsh