Research Article
Research on Power Flow Transmission through Elastic Structure into a Fluid-Filled Enclosure
Table 3
Natural frequencies of the water sound field, plate, and fluid-structural coupled cavity.
| Natural frequencies of water sound field | Natural frequencies of plate | Fluid-structural coupled natural frequencies | | () | (Hz) | | () | (Hz) | | (Hz) |
| 0 | | 0 | | | | 0 | 0 | 1 | | 1071.4 | 1 | | 108.0 | 1 | 101.5 | 2 | | 1250.0 | 2 | | 207.6 | 2 | 206.0 | 3 | | 1646.3 | 3 | | 332.2 | 3 | 217.6 | 4 | | 1875.0 | 4 | | 373.7 | 4 | 264.7 | 5 | | 2142.9 | 5 | | 431.9 | 5 | 404.7 | 6 | | 2159.5 | 6 | | 598.0 | 6 | 409.1 | 7 | | 2253.5 | 7 | | 606.3 | 7 | 451.8 | 8 | | 2480.8 | 8 | | 705.9 | 8 | 537.2 | 9 | | 2495.2 | 9 | | 805.6 | 9 | 566.2 | 10 | | 2500.0 | 10 | | 830.5 | 10 | 599.4 |
|
|