Great! I will try it as soon as I can... Matthias
> -----Ursprüngliche Nachricht----- > Von: Christophe Geuzaine [mailto:[email protected]] > Gesendet: Mittwoch, 3. Mai 2017 10:56 > An: Zenker, Dr. Matthias > Cc: andrew; [email protected] > Betreff: Re: [Gmsh] boolean partitioning > > > > On 3 May 2017, at 10:36, Zenker, Dr. Matthias <Matthias.Zenker@erbe- > med.com> wrote: > > > > Thank you! > > > > Does it work also with STEP data imported from CAD? > > Yes! > > > > > Matthias > > > >> -----Ursprüngliche Nachricht----- > >> Von: Christophe Geuzaine [mailto:[email protected]] > >> Gesendet: Mittwoch, 3. Mai 2017 10:34 > >> An: Zenker, Dr. Matthias > >> Cc: andrew; [email protected] > >> 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:[email protected]] > >>> Gesendet: Dienstag, 2. Mai 2017 19:58 > >>> An: [email protected] > >>> 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 > >>> [email protected] > >>> 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 > 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=8Vw_v > _BDA0iLsUidosaASFxAyQUi0kD5fplEyshK- > Dg&s=kwU6ytrUo2LYF3_Oer0lSXMAgo0WGCfD1w17KwXLjdY&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=8Vw_v > _BDA0iLsUidosaASFxAyQUi0kD5fplEyshK- > Dg&s=EpHRMs0e1LKJ1Fw_fUkxiBqcwS7bPKbuD7fSD4Ayi4c&e= | > https://urldefense.proofpoint.com/v2/url?u=http- > 3A__getdp.info&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q- > IVyyYW- > Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=8Vw_v > _BDA0iLsUidosaASFxAyQUi0kD5fplEyshK- > Dg&s=aC2hdAGXYby4GiBxvBa9z0q5SD_x8dqT0GN_Rr86j7U&e= | > https://urldefense.proofpoint.com/v2/url?u=http- > 3A__onelab.info&d=DwIFaQ&c=7vND7vRFB1FzfxRXc-X80O-MJSZd5Q- > IVyyYW- > Ff2gY&r=3enlI3TuQDmO9BnMCnxq2Mfm4tAO6Z3_Ae1Yc57DMr4&m=8Vw_v > _BDA0iLsUidosaASFxAyQUi0kD5fplEyshK-Dg&s=wfO0A_R_Bpu8Bnpr7KsViI- > rkX_7p9LXrSlS0cLrHvc&e= ________________________________ Erbe Elektromedizin GmbH Firmensitz: 72072 Tuebingen Geschaeftsfuehrer: Christian O. Erbe, Reiner Thede Registergericht: Stuttgart HRB 380137 _______________________________________________ gmsh mailing list [email protected] http://onelab.info/mailman/listinfo/gmsh
