Crashworthiness Analysis and Multi-Objective Optimisation of Multi-Cell Windowed Structures under Dynamic Impact Loading

Table 7

Accuracy of the approximate models.

Evaluation index		MCS-C	MCS-S	MCS-M	MCC-C	MCC-S
R^2	PCF	0.9945	0.9987	0.9987	0.9915	0.9910
	EA	0.9849	0.9739	0.9969	0.9571	0.9611
	SEA	0.9249	0.9077	0.9752	0.9160	0.9313
MRE (%)	PCF	5.03	2.51	1.11	0.57	0.54
	EA	9.10	7.25	1.66	9.43	7.91
	SEA	9.12	9.35	1.66	10.30	7.73
ARE (%)	PCF	0.46	0.33	0.26	0.20	0.25
	EA	1.69	2.55	0.73	3.02	2.99
	SEA	1.65	2.45	0.74	3.03	3.12