Low-Frequency Acoustic-Structure Analysis Using Coupled FEM-BEM Method

Table 1

Characteristics of the fluid and the sphere.

Materials	Properties	Values
Fluid	Acoustic velocity	1524 m/s
	Density	1000 kg/m^3
Sphere	Young’s modulus	2.07 × 10^11 Pa
	Poisson’s ratio	0.3
	Density	7669 kg/m^3
	Thickness	0.15 m
	Radius	5 m