On Tue, Feb 12, 2008 at 10:23:09AM +0100, Dag Lindbo wrote: > Hello all! > > In the stokes demo (taylor-hood), I notice spurious pressure spikes near > the corners. What is causing these? > > I changed to a paraboloc inflow profile (consistent with the no-slip BCs), > but the problem remains. Further, I ran the same problem on a unitsquare > mesh (see plot attached). The pressure spikes are large. Is the demo > problem ill posed? > > Thanks! > Dag Lindbo, KTH
I would also suspect the boundary conditions for the velocity to be the problem, but if you still see the spikes with a parabolic inflow profile (which is zero at the no-slip boundaries) then I have no idea. -- Anders _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
