Something went wrong at changeset 4224, http://www.fenics.org/hg/dolfin?cs=c5a7da38ff2c
Garth [EMAIL PROTECTED] wrote: > On Monday 16 June 2008, Anders Logg wrote: >> On Mon, Jun 16, 2008 at 05:40:00PM +0100, Nuno David Lopes wrote: >>> Is this problem really solved? >> No, it looks awful here as well. It used to look much better. >> >>> I'm get oscillating spikes all over the boundary. >>> The same for a standard 2d cavity. >> For which element types are you getting the spikes? > in 2D the same as in demo: triangle > Lagrange 2 for velocities and Lagrange 1 for pressure. > >>> Also in 3d experiments. >>> I'm getting the feeling that only the the dofs associated with the >>> triangle vertices are getting the boundary conditions, (or something like >>> that is happening.) >> Can you check for which degrees of freedom we are enforcing >> boundary conditions? Are we missing any? > I will try to get into that first thing tomorow. I hope i'll understand it!!! > I think I've seen something similar some time ago, don't remember if it was > in my old hand-made c++ codes, using Uzawa methods, > or in FreeFem++ also with Uzawa methods, > but i've solved it and I really don't remember what was the problem. > > > > _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
