Research Article
Structural Damage Identification Based on l1Regularization and Bare Bones Particle Swarm Optimization with Double Jump Strategy
Table 4
Experimental and analytical natural frequencies for 4 damage cases.
| | Mode | Damage case 1 | Damage case 2 | Damage case 3 | Damage case 4 | | Experimental (Hz) | Analytical (Hz) | Experimental (Hz) | Analytical (Hz) | Experimental (Hz) | Analytical (Hz) | Experimental (Hz) | Analytical (Hz) |
| | 1 | 3.259 | 3.2483 | 3.113 | 3.1347 | 3.076 | 3.0793 | 3.003 | 3.0242 | | 2 | 9.485 | 9.5142 | 9.302 | 9.3534 | 9.192 | 9.2438 | 9.082 | 9.1321 | | 3 | 14.209 | 14.2049 | 14.136 | 14.1456 | 13.660 | 13.6995 | 13.330 | 13.3393 |
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