Research Article
Three-Dimensional Investigation of the Stokes Eigenmodes in Hollow Circular Cylinder
Table 3
Uncoupled natural frequencies
[rd/s] for various mode shapes of elastic solid.
| No. | | Present | FEM | Mode shape |
| 1 | | 0.952 | 0.952 | Breathing | 2 | | 2.693 | 2.693 | Breathing | 3 | | 5.157 | 5.157 | Breathing | 4 | | 7.145 | 7.145 | Breathing | 5 | | 7.389 | 7.389 | Breathing | 6 | | 8.326 | 8.326 | Breathing | 7 | | 9.431 | 9.431 | Breathing | 8 | | 11.456 | 11.456 | Breathing | 9 | | 12.190 | 12.190 | Breathing | 10 | | 13.035 | 13.035 | Breathing | 11 | | 14.379 | 14.379 | Breathing | 12 | | 14.700 | 14.700 | Breathing | 13 | | 16.504 | 16.504 | Breathing | 14 | | 16.739 | 16.739 | Breathing | 15 | | 17.500 | 17.500 | Breathing | 16 | | 18.005 | 18.005 | Breathing | 17 | | 20.270 | 20.270 | Breathing | 18 | | 20.289 | 20.289 | Flexural |
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