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 orders | Dai [19] | Present solution | Error (%) |
| 1 | 49.906 | 49.557 | 0.699 | 2 | 59.483 | 59.251 | 0.390 | 3 | 60.990 | 60.990 | 0.000 | 4 | 86.696 | 86.576 | 0.138 | 5 | 99.008 | 98.535 | 0.478 | 6 | 116.00 | 115.48 | 0.448 | 7 | 134.25 | 134.16 | 0.067 | 8 | 147.72 | 147.15 | 0.386 | 9 | 196.29 | 195.62 | 0.341 | 10 | 200.20 | 200.09 | 0.055 |
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