Multiobjective Design Optimization Framework for Multicomponent System with Complex Nonuniform Loading

Table 5

Computing efficiency and accuracy of different algorithms.

Methods	Before optimization (×10^4 N)			After optimization (×10^4 N)			Reduction			Time (s)
	Y1	Y2	Y3	Y1	Y2	Y3	Y1	Y2	Y3
NCGA	0.8735	0.8156	1.0987	0.3332	0.4620	0.1023	0.61	0.43	0.90	18.23
AMGA	0.8735	0.8156	1.0987	0.3146	0.4657	0.1275	0.64	0.43	0.88	16.52
NSGA-II	0.8735	0.8156	1.0987	0.3065	0.4640	0.1112	0.65	0.43	0.89	15.72
DMOGA	0.8735	0.8156	1.0987	0.2904	0.4382	0.0924	0.67	0.46	0.92	13.31

Note. Y₁ indicates the σ_F1, Y₂ indicates the σ_F3, and Y₃ indicates the σ_MF.