Reliability-Based Fatigue Life Prediction for Complex Structure with Time-Varying Surrogate Modeling

Table 6

Uniform computational efficiency and accuracy of four surrogate models.

Simulation	Uniform computational efficiency (UCE) (%)				Uniform computational accuracy (UCA) (%)
	RSM	GRNN	PSO-GRNN	TV/PSO-GRNN	RSM	GRNN	PSO-GRNN	TV/PSO-GRNN
10^2	7.32	23.41	44.01	59.49	90.38	93.96	97.91	99.58
10^3	89.34	91.19	93.56	95.34	90.92	94.66	98.52	99.72
10^4	98.95	99.14	99.37	99.55	91.76	95.15	98.92	99.85