Research on Power Flow Transmission through Elastic Structure into a Fluid-Filled Enclosure

Table 2

Coupled natural frequencies with different number of plate modals involved.

	Fluid-structural coupled natural frequencies  (Hz)
Number of water sound modals involved	500	500	500	500	500
Number of plate modals involved	25	50	100	200	500
0	0	0	0	0	0
1	101.5	103.1	101.5	101.5	101.5
2	206.1	208.4	206.0	206.0	206.0
3	217.6	222.7	217.5	217.5	217.5
4	264.7	270.9	264.7	264.7	264.7
5	404.7	415.1	404.6	404.6	404.6
6	409.2	420.7	409.1	409.1	409.1
7	451.8	457.3	451.6	451.6	451.6
8	537.2	543.1	537.1	537.1	537.1
9	566.2	581.5	566.0	566.0	566.0
10	599.5	617.7	599.3	599.3	599.3