Research Article
Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy
Table 2
Modal information of simply supported beam.
| | Damage case | First-order frequency (rad/sec) | First-order period (sec) | Second-order frequency (rad/sec) | Second-order period (sec) |
| | Undamaged | 167.568 | 0.0375 | 648.129 | 0.00969 | | Single damage | 166.412 | 0.0377 | 647.713 | 0.00971 | | Multiple damage | 165.611 | 0.0379 | 643.143 | 0.00977 |
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