What would be the source of this error please ?
see attachment
Send us file, please.
Ive done a lot of modification on the model since then . ( ive changed panels with material orthotropy to uniform ones and have no problem yet ).
thank you
Hi. I is Prolem
File modol attachment.
Thanks.
Change mass matrix onto any lumped matrix.
We wil check it deeper.
Triangular mesh solves the problem
ok. thank you.
