[email protected] wrote: > Hi, > > I added the Geometry.ExactExtrusion=0; line at the very beginning of my geo > file, but : > > Error : Unknown number option 'Geometry.ExactExtrusion' > > > with the nightly build : 2.3.1-cvs-20090416 (windows version). The > ExactExtrusion is not in the optionlist when asking to print out the 'Current > Options" in the Help menu.
Can you try again? (for some reason last night's build did not complete on Windows) > > If I understand it right, the problem lies in the fact that the extrusions > generate "Ruled" surfaces instead of "Plane" surfaces. Will it help to not > use extrusions, but create all plane surfaces and a volume manually? > > Another thing, the example sent in previous mail must be extended a bit like > in included picture. When I rotate this, the mesh generator creates a > self-intersecting mesh on the curved surfaces. > > > Stefaan. > > > >> ----- Oorspronkelijk bericht ----- >> Van > : Christophe Geuzaine [mailto:[email protected]] >> Verzonden > : donderdag > , april > 16, 2009 01:42 PM >> Aan > : [email protected] >> CC > : [email protected] >> Onderwerp > : Re: [Gmsh] Mesh problem with rotated volume >> [email protected] wrote: >>> Hi, >>> >>> I have a simple example of an extruded volume with a hole. It works fine >>> until I rotate the volume. When rotated, the mesh looks corrupted, the mesh >>> stick out the volume. >>> >>> See two jpg files, and the geo file included. >>> >> Hi - This is a known limitation of the "extrude" command in the old CAD >> module: extruded entities cannot be safely geometrically transformed >> because we use the exact extrusion formula to interpolate. >> >> With tomorrow's nightly snapshot you will be able to set >> >> Geometry.ExactExtrusion=0; >> >> This will fix your problem (at the cost of losing the exact >> interpolation for curved surfaces, which is not a problem in your case). >> >> >>> Thanks >>> >>> >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> gmsh mailing list >>> [email protected] >>> http://www.geuz.org/mailman/listinfo/gmsh >> >> -- >> Prof. Christophe Geuzaine >> University of Liege, Electrical Engineering and Computer Science >> http://www.montefiore.ulg.ac.be/~geuzaine >> >> >> >> >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> gmsh mailing list >> [email protected] >> http://www.geuz.org/mailman/listinfo/gmsh -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine _______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
