How to simulate a composite slab
 

Hi all,
I'm simulating a composite slab, I think I have simulated a right model but when I soluted it by ANSYS MECHANICAL, it is not convergence at substep 5, I was very confuse please help me, thanks so much!

Link code file:
http://www.mediafire.com/download/ra...-07-2013-1.inp

Link autocad file:
http://www.mediafire.com/download/kk...z4/S1%2CS2.dwg

Trinh Do Van!:o