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

Figure 19

The relative standard deviation of the input power to a finite plate subjected to force and moment excitations at single contact point averaged over various possible forcing locations and frequency bands; — numerical and −− (33) ((a) 𝛼=0.005 m, 𝜂=0.1; (b) 𝛼=0.005 m, 𝜂=0.01; and (c) 𝛼=0.01 m, 𝜂=0.01).

(a)

(b)

(c)