Research Article

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

Figure 22

Sound transmission loss of the stiffened double panel-cavity coupled system with different acoustic cavity mediums: (a) acoustic excitation with elevation angle φ = π/4 and azimuth angle θ = π/4 and (b) acoustic excitation perpendicular to panel 1.
(a)
(b)