Merci bien! Works very nice, thanks !
Greetings, Benedikt Am 10.10.17 um 17:14 schrieb Christophe Geuzaine: > >> On 10 Oct 2017, at 13:16, Benedikt Oswald <[email protected]> wrote: >> >> Dear gmsh, >> >> assume I have created a geometry in FreeCAD, >> >> exported it as a STEP file and imported >> >> into gmsh. > If you use FreeCAD, import directly the .brep file in Gmsh - it's much more > efficient than STEP, and you will avoid all translation errors (as .brep is > the native OpenCASCADE format, used directly by both FreeCAD and Gmsh). > >> How do I ensure conformal boundary meshes >> >> for periodic analysis when I generate the mesh >> >> in gmsh ? >> > Just as you would do it for a "normal" Gmsh geometry, i.e., with "Periodic > Surface" constraints. > > For example if the periodic faces 1 and 2 are translated by 3 in the z > direction, your geo file could look something like this: > > Merge "file.brep"; > Periodic Surface {1} = {2} Translate {0,0,3}; > > PS : with recent versions of Gmsh you can also directly create quite > complicated geometries directly in Gmsh, with SetFactory("OpenCASCADE"). Or > you can modify geometries created w.g. with FreeCAD. See gmsh/demos/boolean > for examples, in particular demos/boolean/import.geo. > > > >> Thanks for some hints, >> >> Benedikt >> >> >> -- >> ---------------------------------------------------------------------------------------------------------------------- >> Dr. sc. techn. Benedikt Oswald - first engineer - LSPR AG - phone +41 43 366 >> 90 74 >> Grubenstrasse 9, CH-8045 Zürich, [email protected] >> ---------------------------------------------------------------------------------------------------------------------- >> >> >> _______________________________________________ >> gmsh mailing list >> [email protected] >> http://onelab.info/mailman/listinfo/gmsh > -- ---------------------------------------------------------------------------------------------------------------------- Dr. sc. techn. Benedikt Oswald - first engineer - LSPR AG - phone +41 43 366 90 74 Grubenstrasse 9, CH-8045 Zürich, [email protected] ----------------------------------------------------------------------------------------------------------------------
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