Research Article
Frequency Equations for the In-Plane Vibration of Circular Annular Disks
Table 8
Frequency parameters of in-plane vibration of an annular disk with “Clamped-Free” conditions.
| Radius ratio (β) | | | | | Reference [15] | present study | Reference [15] | present study | Reference [15] | present study | Reference [15] | present study |
| 0.2 | 0.919 | 0.919 | 1.542 | 1.541 | 2.157 | 2.157 | 2.778 | 2.777 | 2.121 | 2.121 | 2.605 | 2.604 | 3.473 | 3.472 | 4.408 | 4.406 |
| 0.4 | 1.281 | 1.281 | 1.965 | 1.964 | 2.445 | 2.445 | 2.911 | 2.911 | 2.691 | 2.691 | 2.908 | 2.907 | 3.604 | 3.603 | 4.492 | 4.491 |
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