Research Article
Detection of Earthquake-Induced Damage in a Framed Structure Using a Finite Element Model Updating Procedure
Table 3
Natural frequencies of reference model.
| | | | 1st | 2nd | 3rd | 4th |
| | Measured (0.06 g shaking) | Freq. (Hz) | 4.01 | 13.08 | 25.15 | 41.60 | | Initial model | Freq. (Hz) | 3.63 | 11.92 | 22.76 | 35.89 | | Percent error | −11% | −9% | −11% | −15% | | Updated model | Freq. (Hz) | 4.01 | 13.03 | 25.38 | 40.92 | | Percent error | 0% | 0% | 1% | −1% |
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