Research Article
Damaged Flexibility Matrix Method for Damage Detection of Frame Buildings
Table 3
Periods, eigenvalues, and modal participating mass ratios of the MTSAM building.
| Mode | Period (s) | Eigenvalue (rad2/s2) | Ratio (%) | Sum (%) |
| 1 | 1.348 | 21.734 | 86.00 | 86.000 | 2 | 0.456 | 189.98 | 8.813 | 94.813 | 3 | 0.266 | 558.83 | 2.617 | 97.430 | 4 | 0.186 | 1143 | 1.194 | 98.624 | 5 | 0.143 | 1924.8 | 0.643 | 99.267 | 6 | 0.116 | 2956.9 | 0.294 | 99.561 | 7 | 0.098 | 4145.4 | 0.121 | 99.682 | 8 | 0.084 | 5572.6 | 0.037 | 99.719 | 9 | 0.076 | 6922 | 0.011 | 99.730 | 10 | 0.070 | 8052.6 | 0.004 | 99.734 |
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