Study on Impact Mechanical Properties of Reentrant Bionic Automotive Energy Absorbing Box

Figure 5

The mechanical characteristic curves of bionic structures: (a) the experiment and simulation force–displacement curves of honeycomb structures; (b) the experiment and simulation force–displacement curves of negative Poisson structures; (c) EA histogram of bionic structures; (d) SEA histogram of bionic structures.

(a)

(b)

(c)

(d)