Shock and Vibration / 2018 / Article / Tab 1

Research Article

Flexural Vibration Analysis of Nonuniform Double-Beam System with General Boundary and Coupling Conditions

Table 1

The first six nondimensional frequency for the uniform double-beams with different boundary conditions (, ).

Boundary conditionsNondimensional frequency
Beam 1Beam 2123456

S-SS-S9.868321.734539.457743.957288.720890.8309
9.8696a21.735039.478443.972188.826590.9128
C-CC-C22.301129.546461.407064.4416120.1731121.9079
22.3733a29.590061.672864.6416120.9034122.4444
C-FC-F3.511319.680921.998629.313061.564564.5643
3.5160a19.681522.034529.334661.697264.6649
S-SC-F8.706218.591225.765142.483062.619090.1489
10.3911b20.232228.486142.439863.683289.9532
S-SC-C16.205426.576842.347262.480290.1361120.5933
15.1683b29.431442.163363.695889.9281121.3566
C-CC-F10.800622.989829.102161.708364.3423120.5406
10.8090a23.028629.135661.865264.4954120.9652

aResults from Ref. [23]. bResults from FEM with 500 elements.

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