Works ok now, Thanks.
>----- Oorspronkelijk bericht ----- >Van : Christophe Geuzaine [mailto:[email protected]] >Verzonden : vrijdag , april 17, 2009 01:20 PM >Aan : [email protected] >CC : [email protected] >Onderwerp : Re: [Gmsh] Mesh problem with rotated volume > >[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
