Shock and Vibration / 2014 / Article / Tab 2

Research Article

Vibration Analysis of Annular Sector Plates under Different Boundary Conditions

Table 2

Frequency parameters, 1/2, for an annular sector plate with radial edges simply supported ( , and ).

Circumferential edgesSourceMode number
123456

Free 21.06966.72681.606146.42176.12176.91
21.06766.72381.604146.41176.12176.90
21.06766.72281.604146.41176.12176.90
21.06766.72281.604146.41176.12176.90
21.06766.72281.604146.41176.12176.90
Reference [22]21.06766.72281.604146.41176.12176.90
Reference [30]21.06766.72281.604146.41176.12176.90

Simply supportedPresent68.379150.98189.60278.39283.59387.62
Reference [22]68.379150.98189.60278.39283.59387.62
Reference [30]68.379150.98189.60278.39283.59387.64

ClampedPresent107.56178.82269.48305.84346.44476.29
Reference [22]107.57178.82269.49305.84346.46476.30
Reference [30]107.58178.82269.49305.84346.46476.30

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