期刊
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
卷 24, 期 5, 页码 1227-1239出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ymssp.2009.10.024
关键词
Operational modal analysis; Spectrum decomposition; Modal Filter
资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- Aeronautical Science Foundation of China [04152065]
Following a brief review of the development of operational modal identification techniques, we describe a new method named frequency-spatial domain decomposition (FSDD), with theoretical background, formulation and algorithm. Three typical applications to civil engineering structures are presented to demonstrate the procedure and features of the method: a large-span stadium roof for finite-element model verification, a highway bridge for damage detection and a long-span cable-stayed bridge for structural health monitoring. (C) 2009 Elsevier Ltd. All rights reserved.
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