Research Article
Frequency Equations for the In-Plane Vibration of Circular Annular Disks
Table 7
Frequency parameters of in-plane vibration of an annular disk with “Clamped-Clamped” conditions.
| | Radius ratio (β) | | | | | | Reference [15] | present study | Reference [15] | present study | Reference [15] | present study | Reference [15] | present study |
| | 0.2 | 2.783 | 2.783 | 3.378 | 3.378 | 4.066 | 4.065 | 4.802 | 4.800 | | 4.060 | 4.060 | 4.360 | 4.359 | 5.104 | 5.103 | 6.003 | 6.001 |
| | 0.4 | 3.429 | 3.429 | 4.023 | 4.022 | 4.707 | 4.707 | 5.287 | 5.286 | | 5.306 | 5.306 | 5.311 | 5.311 | 5.619 | 5.619 | 6.289 | 6.288 |
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