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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/69803


    Title: Acrosswind aerodynamic damping of isolated square-shaped buildings
    Authors: Cheng, C.M.;Lu, P.C.;Tsai, M.S
    Contributors: 淡江大學土木工程學系;淡江大學水資源及環境工程學系
    Keywords: Aerodynamic damping;Acrosswind response;Mass-damping coefficient;Aeroelastic test
    Date: 2002-10-01
    Issue Date: 2011-10-23 20:07:41 (UTC+8)
    Publisher: Elsevier BV
    Abstract: 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.
    Relation: Journal of Wind Engineering and Industrial Aerodynamics 90(12-15), pp.1743-1756
    DOI: 10.1016/S0167-6105(02)00284-2
    Appears in Collections:[Graduate Institute & Department of Water Resources and Environmental Engineering] Journal Article
    [Graduate Institute & Department of Civil Engineering] Journal Article

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