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논문 기본 정보

자료유형
학술저널
저자정보
Tang, H. (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University) Zhang, W. (Fujian Academy of Building Research) Xie, L. (Research Institute of Structural Engineering and Disaster Reduction, Tongji University) Xue, S. (Research Institute of Structural Engineering and Disaster Reduction, Tongji University)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제11권 제1호
발행연도
2013.1
수록면
69 - 86 (18page)

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An efficient methodology using static test data and changes in natural frequencies is proposed to identify the damages in structural systems. The methodology consists of two main stages. In the first stage, the Damage Signal Match (DSM) technique is employed to quickly identify the most potentially damaged elements so as to reduce the number of the solution space (solution parameters). In the second stage, a particle swarm optimization (PSO) approach is presented to accurately determine the actual damage extents using the first stage results. One numerical case study by using a planar truss and one experimental case study by using a full-scale steel truss structure are used to verify the proposed hybrid method. The identification results show that the proposed methodology can identify the location and severity of damage with a reasonable level of accuracy, even when practical considerations limit the number of measurements to only a few for a complex structure.

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