Research Article
Real-Time Structural Damage Assessment Using Artificial Neural Networks and Antiresonant Frequencies
Table 5
Experimental and numerical antiresonances.
| ā | Antiresonant frequencies (Hz) | Difference (%) | ā | Experimental | Numerical |
| FRF1 | 90.3 | 89 | 1.10 | 293.4 | 289 | 1.35 | 606.3 | 604 | 0.40 | 1032.8 | 1033 | 0.00 | 1552.8 | 1576 | 1.51 |
| FRF2 | 128.8 | 128 | 0.69 | 260.9 | 258 | 1.00 | 583.1 | 586 | 0.56 | 1112.8 | 1127 | 1.26 | 1621.9 | 1650 | 1.70 |
| FRF3 | 128.8 | 128 | 0.69 | 260 | 258 | 0.66 | 584.4 | 586 | 0.34 | 1113.8 | 1127 | 1.17 | 1617.5 | 1650 | 1.98 |
| FRF4 | 90.3 | 89 | 1.10 | 292.9 | 289 | 1.35 | 606.1 | 604 | 0.40 | 1032.8 | 1033 | 0.00 | 1553.4 | 1576 | 1.51 |
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