Dear Kamil, You need to specify which elements comprise the domain for Nektar++. If you add a line: Physical Volume(0) = {xxxxx}; where xxxxx is the list of volumes generated by your extrusion, then that should eliminate this error message. Cheers, Chris On 17/07/14 13:36, Kamil ÖZDEN wrote:

Dear All,

I'm trying to generate an .xml file from the .msh file attached which I got from Gmsh. But when I tried to do that such an error come to the screen:

What may be the reason for this error?

Regards, Kamil

_______________________________________________ Nektar-users mailing list Nektar-users@imperial.ac.uk https://mailman.ic.ac.uk/mailman/listinfo/nektar-users

-- Chris Cantwell Department of Aeronautics Roderic Hill Building Imperial College London South Kensington Campus London SW7 2AZ Email: c.cantwell@imperial.ac.uk www.imperial.ac.uk/people/c.cantwell