Improved Genetic Algorithm with Two-Level Approximation Method for Laminate Stacking Sequence Optimization by Considering Engineering Requirements

Table 3

Computational performance comparison.

Population size	Maximum generation number	Normalized computation price		Reliability
		GATLA	IGATLA	GATLA	IGATLA
20	60	36.05	8.89	0.69	0.90
80	60	21.96	11.18	0.80	0.87
120	60	24.61	11.84	0.79	0.85
120	100	20.87	10.64	0.92	0.89