Research Article

Prediction of Vibrational Behavior of Grid-Stiffened Cylindrical Shells

Table 2

Comparison of the natural frequencies (Hz) for a C-C steel cylindrical shell with and without stiffeners.

NumberStiffened shellUnstiffened shell

13472.64176.1
22032.92444.1
31307.11573.3
41042.21259.2
51150.01393.8
61504.11824.1
71975.62396.5
82589.43139.9
93286.83984.9
104066.94930.4