Table 2: Comparison of natural frequencies for free vibration of cylindrical shell of exponential variation in thickness under C–C boundary condition; h=h0e-kX and n=2.

kLength parameter, LTakahashi et al. [4]Sivadas and Ganesan [2]Present value

0.40.67681.21.26521.1522
0.60.66081.21.26061.1632
0.80.64601.21.25641.1816
1.00.63211.21.25281.2037