xiaofuli
Subscriber

Thanks for your help reply.


1. The rectangle in the middle in fact have the total thickness of the PCB and the 2 IC chips, am I right? I also mark it in red color in the following figure, besides, I could not give different stiffness behavior for the PC board(the bigger rectangle) and the IC chip(the middle rectangle in the figure). I also attach the workbench file, Could you please help me with this problem?