Advances in Acoustics and Vibration

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