Research on the Load Bearing and Impact Resistance of a Novel Structure Exhibiting Both Positive and Negative Poisson’s Ratios

Table 3

Values of the design variables before and after optimization.

	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	Acceleration response (m/s)^2
Preoptimization	60	8	80	3	3	3	2865.02
Postoptimization	88	16	68	4	5	2	1851.04