On 1/15/20 9:22 AM, David Eaton wrote: > I understand the C0 element is piecewise linear across elements. However, I > did not experience the same issue in my own C++ code while I use C0 element > with the Petrov Galerkin stabilization terms. Actually, I am very confused at > this point. How could I get rid of it while using C0 element?
Not easily. But you can project the discontinuous function (namely, the gradient or vorticity of your velocity) onto a continuous finite element field. Then you again have a continuous function -- albeit a different one, of course, from the one you actually wanted. Best W. -- ------------------------------------------------------------------------ Wolfgang Bangerth email: bange...@colostate.edu 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 dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/4c39585b-55dd-c495-17b3-950b1e0f79d5%40colostate.edu.