Analysis of the Vibro-Acoustic Behavior of a Stiffened Double Panel-Cavity System

<div>Sound transmission loss of the stiffened double panel structure with acoustic and vacuum cavities: (a) acoustic excitation at elevation angle <i>φ</i> = <i>π</i>/4 and azimuth angle <i>θ</i> = <i>π</i>/4 and (b) acoustic excitation perpendicular to panel 1.</div>

Shock and Vibration

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Figure 24

Figure 24: Analysis of the Vibro-Acoustic Behavior of a Stiffened Double Panel-Cavity System 