Research Article
Prediction of Vibrational Behavior of Grid-Stiffened Cylindrical Shells
Table 2
Comparison of the natural frequencies (Hz) for a C-C steel cylindrical shell with and without stiffeners.
| Number | Stiffened shell | Unstiffened shell |
| 1 | 3472.6 | 4176.1 | 2 | 2032.9 | 2444.1 | 3 | 1307.1 | 1573.3 | 4 | 1042.2 | 1259.2 | 5 | 1150.0 | 1393.8 | 6 | 1504.1 | 1824.1 | 7 | 1975.6 | 2396.5 | 8 | 2589.4 | 3139.9 | 9 | 3286.8 | 3984.9 | 10 | 4066.9 | 4930.4 |
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