Structural Damage Localization in Plates Using Global and Local Modal Strain Energy Method

Table 3

Comparison of natural frequencies.

Mode	Natural frequency (Hz)				Difference (%)
	This study	Hu [23]	Blevins [24]	SAP2000	Hu [23]	Blevins [24]	SAP2000
1	107.0	106.0	109.8	107.4	0.9	2.6	0.4
2	157.1	157.0	161.0	156.7	0.1	2.5	0.3
3	199.5	196.0	198.8	198.6	1.7	0.3	0.5