Saurabh Patil
Ansys Employee

Hi, 

 
For more realistic contact between the bridge and the car, try using frictional contact between the car surfaces and the bridge parts. Additionally, if you wish to see a more realistic impact, consider using nonlinear material properties for the car body to observe plastic deformation. To simulate the impact more accurately, ensure that you are performing a transient structural simulation.

Saurabh