Advances in Acoustics and Vibration / 2010 / Article / Tab 5

Research Article

Frequency Equations for the In-Plane Vibration of Circular Annular Disks

Table 5

Frequency parameters of in-plane vibration of an annular disk with “Free-Free” conditions.

Radius ratio (β)
Reference [15]present studyReference [15]Present studyReference [15]Present studyReference [15]Present study

0.21.6521.6511.1101.1102.0712.0712.7672.766
3.8423.8422.4032.4023.4013.4004.3894.388

0.41.6831.6820.7210.7211.6181.6192.4822.482
4.0444.0442.4512.4503.3463.3464.2274.226

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