Great. Thanks a lot, Florian. Luca
On 01/mag/2013, at 14:39, "Joly Florian" <florian.j...@umontreal.ca> wrote: > Hi, > In ICEM look at the aorta tutorial, there is the whole explanation on how to > split the surface by angle to get the inlet/outlets (same process on StarCCM+ > or OpenFOAM by the way. ICEM can also generate boundary layer cells. > > Regards, > > > Florian > > -------- Message d'origine-------- > De: Luca Antiga [mailto:luca.ant...@orobix.com] > Date: mer. 5/1/2013 08:36 > À: Vincent Ip > Cc: vmtk-users@lists.sourceforge.net > Objet : Re: [vmtk-users] VMTK Mesh Problem > > Hi Vincent, > > On May 1, 2013, at 6:49 AM, Vincent Ip wrote: > >> Dear VMTK users, >> >> I encounter a situation that when I export the surface to STL format and >> trying to mesh it with ANSYS ICEM. >> I cannot define the inlet and outlet as they are incorporated into the wall >> (the whole thing). >> Is there anything I should do besides clipping and capping before exporting >> the surface to STL format? > > I don't use ICEM so I'm not sure of what's the best way to go here. > Unfortunately STL doesn't support the definition of > surface region indicators associated to either points or cells, so I guess > there should be a way to do something like > this within ICEM. > > Any ICEM users out there that can help out? > >> The second problem is that I had repeated crashing when I try to mesh it >> with VMTK and this happen whenever I add the boundary layer. >> The vessel geometry I got is a segment from ICA siphon segment to M2 and it >> is extracted from Time-of-flight MRA. It does appear to be a bit bumpy in >> appearance, probably due to its low resolution, so I'm not sure if this >> could be the problem. Or if I need a very powerful computer to run the VMTK?? > > FYI, there's new robust boundary layer code coming up in vmtk in the near > future. > > Having said that, the old code shouldn't crash (in the worst case it > generates elements with negative Jacobian here and there). > Are you sure you are generating a mesh with a good density? If you generate > very coarse meshes the mesh itself could degenerate > during the remeshing phase. Just a thought. > > In any case, feel free to send your model over and I'll take a look as soon > as I can. > > Best, > > Luca > > >> Please kindly comment. >> >> Thanks, >> Vincent >> >> ------------------------------------------------------------------------------ >> Introducing AppDynamics Lite, a free troubleshooting tool for Java/.NET >> Get 100% visibility into your production application - at no cost. >> Code-level diagnostics for performance bottlenecks with <2% overhead >> Download for free and get started troubleshooting in minutes. >> http://p.sf.net/sfu/appdyn_d2d_ap1 >> _______________________________________________ >> vmtk-users mailing list >> vmtk-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/vmtk-users > > > ------------------------------------------------------------------------------ > Introducing AppDynamics Lite, a free troubleshooting tool for Java/.NET > Get 100% visibility into your production application - at no cost. > Code-level diagnostics for performance bottlenecks with <2% overhead > Download for free and get started troubleshooting in minutes. > http://p.sf.net/sfu/appdyn_d2d_ap1 > _______________________________________________ > vmtk-users mailing list > vmtk-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/vmtk-users > ------------------------------------------------------------------------------ Introducing AppDynamics Lite, a free troubleshooting tool for Java/.NET Get 100% visibility into your production application - at no cost. Code-level diagnostics for performance bottlenecks with <2% overhead Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap1 _______________________________________________ vmtk-users mailing list vmtk-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/vmtk-users
