Research Article
Modeling and Vibration Analysis of a Porous Rotational Shell Based on Biot Theory
Table 3
Comparison of natural frequency.
| Order (m, n) | Present method (Hz) | FEM (Hz) |
| (1, 1) | 76.37 | 74.72 | (1, 2) | 181.93 | 180.92 | (1, 3) | 233.78 | 234.92 | (1, 4) | 369.00 | 375.60 | (1, 5) | 610.50 | 621.37 |
|
|