I see. I will try if I can find something. For now, the slowdown happens in the FGMRES solver by the way. Thanks!
Feimi On Mon, Aug 10, 2020 at 10:41 AM Wolfgang Bangerth <[email protected]> wrote: > On 8/9/20 10:10 PM, Feimi Yu wrote: > > I'm solving for a SUPG stabilized slightly compressible Navier-Stokes > > equation, with a Schur complement type preconditioner. > > I don't see why hanging nodes would make any kind of difference for this > combination (in fact, for any equation). If I were you, I'd try to dig a > bit > further to come up with concrete evidence that the hanging nodes are your > problem (I suspect that the problem is actually elsewhere) and then see > how to > address this. Having used hanging nodes for 23 years now, your hypothesis > sounds unlikely to me. > > Best > W. > > > -- > ------------------------------------------------------------------------ > Wolfgang Bangerth email: [email protected] > www: http://www.math.colostate.edu/~bangerth/ > > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/e2611cf5-f3b2-b1c8-6f70-9930e2b99b73%40colostate.edu > . > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAMmJ624_rRV1XmQ2nPQezdLGQB02tbwfQzm8z9W6-wLeyGk6hQ%40mail.gmail.com.
