Research Article
Damage Detection of Laminated Rubber Bearings Based on the Antiresonance Frequencies of Periodic Structure and Its Sensitivity Analysis
Table 3
The first four antiresonance frequencies of different driving points (j = 1, 2, …, 10) for undamaged 10-cell periodic rubber–steel structure.
| Order (n) | | | | | | | | | | |
| 1 | 318.5167 | 358.2907 | 409.4071 | 477.5191 | 572.7775 | 715.4009 | 817.0391 | 715.4009 | 636.2086 | 572.7775 | 2 | 952.1873 | 1070.0356 | 1220.8973 | 2320.4851 | 1140.5367 | 952.1873 | 952.1873 | 2102.0259 | 1265.4368 | 1140.5367 | 3 | 1574.7513 | 1765.4390 | 1878.6729 | 2738.6128 | 1697.0584 | 1878.6729 | 1618.5364 | 2738.6128 | 1878.6729 | 1697.0584 | 4 | 2175.4360 | 2427.5732 | 2006.8487 | 3123.5874 | 2233.7496 | 2102.0259 | 2381.8669 | 3300.1676 | 2462.9191 | 2233.7496 |
|
|