Research Article

A Unified Approach of Free Vibration Analysis for Stiffened Cylindrical Shell with General Boundary Conditions

Table 3

Comparison of natural frequencies of stiffened cylindrical shells with free boundaries with m=1.

nGRMPRMFEMpresent

10.19970.19830.20650.2064
20.08510.08510.08950.0895
30.06890.07040.07420.0744
40.10920.11470.11230.1157
50.17280.18360.15690.1656