The Effect of Uncertainty in the Excitation on the Vibration Input Power to a Structure

Figure 21

The relative standard deviation of the input power to a finite plate subjected to force and moment excitations at four contact points averaged over various possible forcing locations and frequency bands; — numerical calculation and −− (33) (𝜂=0.01, 𝛼=0.005 m, and 𝛽=0.005; (a) 𝐿=0.07 m and (b) 𝐿=0.35 m).

(a)

(b)