When I run analysis drop test model with high level differrent (H1=180mm, H2=90mm, H3=50mm) but von mises stress same as. So I do not understand. Can you help me?
Do you mean the peak value at the impact moment?
You need to turn on the option to output results at all steps to catch that critical time point.
Otherwise, you may only see the body when it's flying in air (before and after touch moment).
If this response answers your concern, please mark it as "solved".