Research Article
Free Vibration Analysis for Shells of Revolution Using an Exact Dynamic Stiffness Method
Table 5
Natural frequencies (Hz) of a cooling tower shell.
| | | Present | Deb Nath [26] |
| 0 | 1 | 6.2303 | 6.2329 | 2 | 7.7486 | 7.7521 | 3 | 11.417 | 11.429 |
| 1 | 1 | 3.2883 | 3.2897 | 2 | 6.7905 | 6.7933 | 3 | 10.518 | 10.523 |
| 2 | 1 | 1.7667 | 1.7664 | 2 | 3.6883 | 3.6893 | 3 | 6.9529 | 6.9556 |
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