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

Table 3

Finite-element model parameters.

Model parameters	Parameter values
Element size	5 mm
Density of the material	2.7e^−6kg/mm^3
Elastic modulus	70 GPa
Yield strength	0.25 GPa
Poisson’s ratio	0.3
Collision mass	1000 kg
Collision speed	10 m/s