Dear Mykola, Le mardi 21 octobre 2008, Mykola Tasinkevych a écrit : > Dear Stéphane, > > thank you for your advise! > > As I understand, your penalty term is forcing the flow field "u" only to > be parallel to the surface of obstacle, but > does not prescribe a specific slip, "u = *slip* on [ref] ", where *slip > *is some function. Sorry I did not read carefully your first e-mail.
> One, in principle, can also penalize the variational formula in order to > impose > u = *slip > *on the boundary. Is it also possible to impose this condition > rigidly, as a boundary > condition? Yes, It should be possible. Maybe you will need to "precompute", dx(RHO), dy(RHO) and dz(RHO) storing them in a function or a femfunction. I am not sure that using them for the boundary condition directly is accepted. Telle me if it works or not. Best regards, Stéphane. _______________________________________________ ff3d-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/ff3d-users
