Acoustic Pressure Waves in Vibrating 3-D Laminated Beam-Plate Enclosures

Table 1

Parameters for simulation of results.

Definition	Symbol	Value
Applied force amplitude	𝐹01	1 MN
Poisson ratio	𝜐	0.33
Coefficient of friction	𝜇	0.14
Interfacial pressure	P	1×10^9𝑁m^−2
3-D: - Length	𝑎	0.4 m–1.2 m
-Width	𝑏	0.3 m
-Thickness	𝑐	0.8 m
Thickness of laminated boundary surface on 𝑧-axis	𝐻𝑧	0.005 m
Excitation frequency	ω	1 HZ − 1 mHz
Modulus of rigidity of materials	𝐸	7.1×10^10 Nm^-2
Velocity of Sound through the 3-D enclosure	𝐶o	343 ms^-1
Density of material	𝜌	2810 kg m^-3
Density of air	𝜌air	1.13 kg m^-3