Acrosswind aerodynamic damping of isolated square-shaped buildings

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題名:	Acrosswind aerodynamic damping of isolated square-shaped buildings
作者:	Cheng, C.M.;Lu, P.C.;Tsai, M.S
貢獻者:	淡江大學土木工程學系;淡江大學水資源及環境工程學系
關鍵詞:	Aerodynamic damping;Acrosswind response;Mass-damping coefficient;Aeroelastic test
日期:	2002-10-01
上傳時間:	2011-10-23 20:07:41 (UTC+8)
出版者:	Elsevier BV
摘要:	Aeroelastic model tests were performed to study the acrosswind response and aerodynamic damping of isolated square-shaped high-rise buildings. The experimental measurements were compared with response predictions based upon wind loads obtained from stationary pressure model. Results indicate that urban terrain flow field is aerodynamically stable for the square-shaped buildings. In open terrain, the acrosswind responses can be categorized into three regions based on a building’s mass-damping coefficient, MD: (1) region of aerodynamical stable, MD⩾6.28, (2) region of aerodynamical unstable, 2.76⩽MD⩽5.82, (3) region of aerodynamical divergence, MD⩽2.18. Empirical models for aerodynamic damping are presented. When the aerodynamic damping is incorporated with lift force spectra, the calculated acrosswind responses show good agreement with measurements.
關聯:	Journal of Wind Engineering and Industrial Aerodynamics 90(12-15), pp.1743-1756
DOI:	10.1016/S0167-6105(02)00284-2
顯示於類別:	[水資源及環境工程學系暨研究所] 期刊論文 [土木工程學系暨研究所] 期刊論文

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