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- W68967955 abstract "The purpose of this research is to employ the model updating technique to conduct the structural damage detection with insufficient measurements. First, the stochastic subspace identification technique is used to identify the system mode shapes from the limited measurement, then the mode shape expansion (MSE) technique was introduced to reconstruct the mode shapes in all degree of freedoms. Second, in cooperated with the expanded mode shapes the damage detection technique, called Efficient Model Correction Method (EMCM), is used to identify the damage location as well the damage severity. To investigate the effectiveness of the proposed MSE technique and model updating approaches, numerical studies with three types of sensor distributions and five damage scenarios were investigated. The results indicated that when the weighting coefficient of the proposed MSE technique is properly selected, the ability of reconstructing the mode shape is appreciated. For damage detection, data collected from the shaking table test of a six-story steel frame structure was used. With limited measurements the MSE technique together with the applicability of the EMCM, damage detection of the frame structure is conducted. The ability EMCM for damage detection is also discussed. The study concluded that damage detection through mode shape expansion is possible if the expanded mode shapes are consistent with the exact mode shapes. The Efficient Model Correction Method can also provide good results of structural damage detection." @default.
- W68967955 created "2016-06-24" @default.
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- W68967955 date "2013-01-01" @default.
- W68967955 modified "2023-09-26" @default.
- W68967955 title "Application of Efficient Model Correction for Damage Assessment Using Limited Measurements" @default.
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- W68967955 doi "https://doi.org/10.1007/978-1-4614-6555-3_26" @default.
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