Crashworthiness Design for Bionic Bumper Structures Inspired by Cattail and Bamboo

Table 1

The parameters of models.

Model	Component	Part	Material	Thickness (mm)
Initial bumper	Cross-beam		High-strength steel (trip800)	1.8
	Box		High-strength steel (st280)	1.8
B-B bumper	Cross-beam		High-strength steel (trip800)	1.8
	Box		Extrusion aluminum (6062T6)	1.5
	Welding plate		High-strength steel (st280)	1.4
B-B&CB bumper	Cross-beam	Frame	Extrusion aluminum (6062T6)	2.0
		Grilling	Extrusion aluminum (6062T6)	1.7
	Box		Extrusion aluminum (6062T6)	1.5
	Welding plate		High-strength steel (st280)	1.4