Research Article

Study on the Influence of the Internal Elastic Constraint Stiffness on the Vib-Acoustic Performance of a Coupled Plate-Cylindrical Shell System

Table 3

Natural frequencies of a plate-cylindrical shell system with a clamped-elastic support.

Modal ordersDai [19]Present solutionError (%)

149.90649.5570.699
259.48359.2510.390
360.99060.9900.000
486.69686.5760.138
599.00898.5350.478
6116.00115.480.448
7134.25134.160.067
8147.72147.150.386
9196.29195.620.341
10200.20200.090.055