Structural Pounding Detection by Using Wavelet Scalogram

Figure 3

The responses of the SDOF structure during sinusoidal excitation 𝑓₂ = 0.8 Hz: (a) displacement; (b) acceleration; (c) pounding force; (d) single-sided amplitude spectrum of acceleration; (e) wavelet scalogram of acceleration.

(a)

(b)

(c)

(d)

(e)