The Effect of Piezoelectric Fiber Rosette Configurations on Lamb Wave Direction Detection for Damage Localization

Table 2

Lamb wave direction estimation of the four types of rosette configurations.

Frequency (kHz)	Results	RC1		RC2		DC1		DC2
		/°	/%E	/°	/%E	/°	/%E	/°	/%E
20	ANSYS	32.3	0.8	32.0	-0.2	30.2	-5.6	33.3	3.9
40	ANSYS	33.3	3.9	33.1	3.3	32.6	1.8	36.4	13.8
60	ANSYS	30.3	-5.5	32.3	0.8	34.8	7.8	36.8	15.0
20	Test	37.8	18.1	32.4	1.3	33.7	5.2	42.4	32.5
40	Test	36.2	13.1	31.4	-1.9	33.1	3.3	42.9	33.9
60	Test	34.0	6.3	30.0	-6.3	34.6	8.1	41.9	30.8