On Tue, Nov 26, 2013 at 11:59 AM, Dmitry Karpeyev <[email protected]>wrote:
> LU, naturally, should do better, and we should at least see quicker linear > convergence. > If not, it's an indication that your problem is singular. > LU should only take 1 (ish) linear iteration. However, I still suspect that the issue here is that his Jacobian is wrong... which accounts for the degraded nonlinear convergence. Lorenzo: Have you double checked your Jacobian statements? Have you checked them against your friend doing FEAP? Your statements should look very similar to theirs... Derek ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349351&iu=/4140/ostg.clktrk _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
