Structural Pounding Detection by Using Wavelet Scalogram

Figure 2

The responses of the SDOF structure during sinusoidal excitation 𝑓₁ = 4 Hz, no pounding occurred: (a) displacement; (b) acceleration; (c) single-sided amplitude spectrum of acceleration; (d) wavelet scalogram of acceleration response.

(a)

(b)

(c)

(d)