A Study of Mode Coupling in Flutter and Buffeting of the Akashi-kaikyo Bridge
| Author(s): |
Hiroshi Katsuchi
Nicholas P. Jones Robert H. Scanlan Haruki Akiyama |
|---|---|
| Medium: | journal article |
| Language(s): | English |
| Published in: | 土木学会論文集 (Doboku Gakkai rombunshū), 1998, n. 598 |
| Page(s): | 21-36 |
| DOI: | 10.2208/jscej.1998.598_21 |
| Abstract: | Flutter and buffeting of the Akashi-Kaikyo Bridge were analyzed using a newly developed analytical tool, which is able to consider fully aeroelastic and aerodynamic coupling effects among modes. The analysis well demonstrated the behavior of a wind-tunnel model and particularly could capture the mode-coupling effects. Six primary modes dominated the flutter of the Akashi-Kaikyo Bridge where significant mode couplings of the 1st torsional mode with three vertical modes were observed. The multi-mode analysis also provided insights into the coupling mechanism in buffeting in which strong aeroelastic and aerodynamic interactions between vertical and torsional modes were observed. |
| Keywords: |
flutter buffeting multi-mode analysis mode coupling
|
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