Hi
I try to use Manzari Dafalias material with 9_4_QuadUp element. But every time i got the message "Jacobian matrix is singular" and then Opensees closed.
Does anyone knows what is the problem?
Thanks.
Manzari Dafalias material problem
Moderators: silvia, selimgunay, Moderators
Re: Manzari Dafalias material problem
Any idea?