Research Article
Free Vibration Analysis for Shells of Revolution Using an Exact Dynamic Stiffness Method
Table 6
Natural frequencies of a
spherical shell cap (
).
| | | 1 | 2 | 3 | Present | Ref. [27] | Present | Ref. [27] | Present | Ref. [27] |
| 1 | 0.5374 | 0.5385 | 0.8582 | 0.8580 | 0.9001 | 0.9010 | 2 | 0.8468 | 0.8472 | 0.9172 | 0.9191 | 0.9320 | 0.9324 | 3 | 0.9136 | 0.9141 | 0.9384 | 0.9269 | 0.9488 | 0.9547 | 4 | 0.9372 | 0.9366 | 0.9529 | 0.9577 | 0.9653 | 0.9719 |
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