Research Article

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

Table 1

Geometric parameters and material properties of the stiffened double panel-cavity coupled system.

ObjectValue (units)

Acoustic cavity, a ()
Acoustic cavity, b ()
The thickness of panels, h0.004 m
The density of panels, 7,800 kg/m3
Young’s modulus of panels, E Pa
Poisson’s ratio of panels, 0.28
The density of cavity mediums, 1.21 kg/m3
The acoustic velocity of cavity mediums, 344 m/s