Crack Parameters Identification Based on a Kriging Surrogate Model for Operating Rotors

Table 2

Crack parameters identification results using 300 sets of samples.

Case	Actual crack parameters			Predicted crack parameters			Percentage error
	Position, (element)	Depth, (cm)	Angle, (degrees)	Position, (element)	Depth, (cm)	Angle, (degrees)	Error (%)	Error (%)	Error (%)
1	20	0.375	90	20	0.37507	90	0.00	0.01	0.00
2	31	0.25	45	31	0.24988	45	0.00	0.05	0.00
3	50	0.1	45	49	0.15224	45	2.00	52.4	0.00
4	25	0.125	45	25	0.12145	45	0.00	2.84	0.00
5	21	0.225	90	21	0.20255	90	0.00	9.98	0.00
6	19	0.45	90	19	0.44813	90	0.00	0.42	0.00
7	49	0.225	45	49	0.22714	45	0.00	0.95	0.00
8	17	0.3	45	17	0.29411	45	0.00	1.96	0.00