Multiobjective Design Optimization Framework for Multicomponent System with Complex Nonuniform Loading

Table 4

Approximation efficacy of different models.

Methods	Fitting surrogate models		Testing surrogate models		Precision
	Fitting number	Fitting time (s)	Testing number	Testing time (s)
MCS	—	—	—	—	1
RS	245	2.16 × 10^7	200	15.623	0.9451
KM	180	1.55 × 10^7	200	13.532	0.9792
OKM	130	1.12 × 10^7	200	11.367	0.9875
DCOKM	90	7.78 × 10^6	200	9.2476	0.9952