> It should only affect you if you had non-zero boundary fluxes. But it's an > O(1) error, and it's not small because it is proportional to the ratio of > the > lengths of the exact boundary to the length of the approximated stair-step > boundary. If your exact domain is a triangle, then that ratio is > sqrt(2)=1.4! >
Oh, I see... Fortunately, I have zero flux conditions at the sea/land interface. The domain boundaries have inhomogeneous Dirichlet BCs, but they are straight anyway. Thanks for your help. I will try this simple test and see how it goes. Best Alexander -- 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/5b20bf83-6c07-4696-9805-ecbadfd929ee%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
