Shock and Vibration / 2015 / Article / Tab 3

Research Article

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

Table 3

Shear stress effects on the first natural frequency (Ω = 100 rad/s).

Taper ratioPly
angle (°)
With
shear (Hz)
Without
shear (Hz)
Change
rate (%)

TR = 0142.85149.094.2
10°138.67141.672.1
20°109.95110.220.2
60°20.2919.05−6.5

TR = 1193.72206.086
10°189.80196.093.2
20°152.55153.780.8
60°32.2031.12−3.4

TR = 2253.87274.527.5
10°255.03271.746.1
20°206.88206.10−0.37
60°48.4245.62−6.13