Bionic Design of the Bumper Beam Inspired by the Bending and Energy Absorption Characteristics of Bamboo

Table 4

The impact performance parameters of the bumpers.

	BS (MPa)	EA (kJ)	SEA (kJ/kg)
Normal	50.23	0.97	0.593
Bionic1	44.53	0.96	0.636
Bionic2	56.39	1.328	0.779
Bionic2S	56.04	1.282	0.824
Bionic3	55.99	1.06	0.72
Bionic4	87.68	1.89	0.926