An Analytical Solution for the Vibration and Far-Field Sound Radiation Analysis of Finite, Semisubmerged Cylindrical Shells

Table 2

Comparison of the first four natural frequencies (Hz).

Order number	1	2	3	4
Mode number	1, 4	1, 4	1, 5	1, 5
Present method	98.87	99.94	128.12	131.83
Amabili [11]	96.30	97.64	124.63	129.12
Err2 (%)	2.67	2.36	2.80	2.10