> > > > Exact, I haven't done any coarsening but I have a lot of h refinement > levels. > > The problem arise after some refinement steps. > > I'm running an INS solver on the lid-driven cavity problem, the mesh > > is generetad > > using MeshTools::Generation::build_square (). > > Unfortunately my application isn't a short sample code... > > > > It's not possible that you've refined to the point where the mesh has > torn, is it? It used to be the case that around edge lengths of > 10^-6, floating point tolerances would make it impossible for us to > keep the refined mesh correctly connected; AFAIK it's still the case > that that can happen around edge lengths of 10^-15. > ---
I see, this could be a good explanation. In this case would I see some connectivity problems in the mesh or the problem would be only at the dof level? What AFAIK is? > That sounds ridiculous, but on the lid-driven cavity it's not impossible to > pick > an error estimator and refinement scheme that decide to refine only > in the corners over and over and over again. Yes, this is true. Lorenzo ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
