Application of Improved Particle Swarm Optimization in Vehicle Crashworthiness

Table 3

Training data.

(a) Design variable test

Number of groups	t1/mm	t2/mm	t3/mm	t4/mm	t5/mm	t6/mm	t7/mm	t8/mm
1	0.66	1.39	1.84	0.69	1.13	1.05	1.51	1.46
2	0.68	1.41	0.99	1.14	0.92	0.81	1.44	1.10
3	0.72	1.20	1.47	1.17	1.73	0.77	1.41	1.25
…	…	...	...	...	...	...	...	...
70	2.00	1.17	0.68	2.00	1.52	1.81	0.75	1.89

(b) Response test design

Number of groups	/(m/s^2)	m/kg	D1/mm	D2/mm	D3/mm
1	54.8	717.5	86.5	240.0	230.0
2	52.9	716.9	84.5	209.5	210.0
3	55.3	717.7	92.1	246.2	237.7
…	...	...	...	...	...
70	46.5	717.4	96.5	261.8	262.0