Advances in Acoustics and Vibration / 2010 / Article / Tab 9

Research Article

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

Table 9

Frequency parameters of in-plane vibration of an annular disk with flexible boundary conditions.

Boundary conditions
Reference [19]present studyReference [19]present studyReference [19]present studyReference [19]present study

Elastic-Free0.7710.7711.4081.4082.1212.1212.7722.772
1.9061.9062.5242.5243.4443.4444.3974.397

Elastic-Clamped2.5902.5903.1173.1163.9283.9264.7594.760
3.6253.6254.1344.1365.0005.0015.9575.957

Elastic-Elastic1.4941.4921.8151.8132.4742.4723.1233.120
2.6032.6013.2093.2074.0044.0024.8594.857

Free-Elastic1.0401.0461.5051.5042.4142.4163.1143.116
2.4322.4323.0183.0183.8953.8964.8334.834

Clamped-Elastic1.6861.6861.9601.9592.5142.5123.1293.127
2.7642.7653.3193.3174.0614.0604.8794.877

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