Structure-Acoustic Coupling Analysis of Vibration and Underwater Acoustic Radiation of a Ring-Stiffened Conical Shell

Table 1

Main dimensions and relevant parameters.

Item	Value
Full length (mm)	3200
Thickness (mm)	7
Diameter of the structural front-end (mm)	1750
Diameter of the structural back-end (mm)	840
Rib interval (mm)	150
Rib thickness (mm)	5
Plate thickness (mm)	10
Thickness of web (mm)	5
Thickness of ribbed slabs (mm)	5
Web width (mm)	100
Base length (mm)	1200
Distance of plate’s front-end to shell surface (mm)	370
Distance of plate’s back-end to shell surface (mm)	532.5
Distance from web to the longitudinal center plane of shell (mm)	325