Shock and Vibration / 2015 / Article / Tab 5

Research Article

Vibration and Stability of Variable Cross Section Thin-Walled Composite Shafts with Transverse Shear

Table 5

Effect of mode number on the first natural frequencies ([θ]6, Ω = 0 rad/s).

TR = 0 TR = 1TR = 2
20°60°20°60°20°60°

2
 Kim159.74816.9336.66213.77127.3852.46279.68220.0470.05
 Present158.7692.0434.54209.63122.0546.22269.77161.3361.86
3
 Kim159.48295.27141.32213.63366.79174.64278.54448.6832.20
 Present158.5092.7134.25209.38124.3945.94268.32162.9760.22
4
 Kim159.29799.2149.16213.44184.0470.50278.39142.4894.92
 Present158.2992.9234.16209.07124.8045.90267.99163.0860.06
5
 Kim159.25219.81216.16213.43371.1217.24278.37453.5039.785
 Present158.2493.3534.15209.03125.5445.90267.86164.0560.01