Intelligent Identification of Structural Damage Based on the Curvature Mode and Wavelet Analysis Theory

Table 2

Frequency calculation values of each working condition (cycles/s).

Degree of damage (%)	Working condition
	Working condition 1	Working condition 2	Working condition 3
5	6.560791	6.550404	6.546205
6	6.560071	6.547485
10	6.557033	6.535200
15	6.552837	6.518331	—	—
20	6.548125	6.499508	—	—