Flutter characteristics of H-shaped cylinders with various side-ratios and comparisons with characteristics of rectangular cylinders

This paper reports the fundamental flutter characteristics of two dimensional H-shaped cylinders with 10 different side-ratios, that is 2, 3, 4, 5, 6, 8, 10, 12.5, 15 and 20, and their similarities with 2D rectangular cylinders from the point of flutter derivatives. Furthermore, the change of the ro...

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Veröffentlicht in:	Journal of wind engineering and industrial aerodynamics 2008-06, Vol.96 (6), p.963-970
Hauptverfasser:	Matsumoto, Masaru, Shirato, Hiromichi, Mizuno, Keisuke, Shijo, Rikuma, Hikida, Tetsuya
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamic derivatives Analogies Applied sciences Buildings. Public works Climatology and bioclimatics for buildings Cylinders Derivatives Exact sciences and technology Flutter Flutter analysis H-shaped cylinders Instability Vibration Wind engineering
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Zusammenfassung:	This paper reports the fundamental flutter characteristics of two dimensional H-shaped cylinders with 10 different side-ratios, that is 2, 3, 4, 5, 6, 8, 10, 12.5, 15 and 20, and their similarities with 2D rectangular cylinders from the point of flutter derivatives. Furthermore, the change of the role of each flutter derivative on flutter instability with side-ratio is also discussed by use of the “step-by-step flutter analysis”.
ISSN:	0167-6105 1872-8197
DOI:	10.1016/j.jweia.2007.06.022