[Retracted] Optimal Design of Vehicle Structure Based on Computer-Aided Technology

Table 5

Optimization results of lightweight design combination of multi-material structure vehicles.

Serial number	Weight (kg)	Cost ($)	Percent weight loss (%)	Cost increase ratio (%)	Cost-to-quality ratio ($/kg)
Low-carbon steel	85.34	60.12	0.00	0.00	0.00
a	80.87	71.34	5.24	18.66	2.51
b	78.45	74.32	8.07	23.62	2.06
Aluminum alloy	71.23	127.45	16.53	111.99	4.77
c	66.54	134.09	22.03	123.04	3.93
d	64.21	171.78	24.76	185.73	5.28
e	61.17	211.98	28.32	252.59	6.28
f	51.23	443.97	39.97	638.47	11.25