Crashworthiness Design for Bionic Bumper Structures Inspired by Cattail and Bamboo

Table 2

Results.

Model	Energy absorption (kJ/N)	Deformation (mm)	Total weight (N)
Initial bumper	1.550	39	52.974
B-B bumper	1.785	25	49.05
B-CB&B bumper	2.837	26	29.43