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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/116202


    Title: Characteristics of unsteady pressures on slender tall building
    Authors: Kim, Y.C.;Lo, Y.L.;Chang, Cheng-Hsin
    Keywords: Slender tall building;Unsteady pressure;Free vibration method;Strouhal component;Natural frequency component
    Date: 2018-03
    Issue Date: 2019-04-10 12:10:25 (UTC+8)
    Abstract: This paper investigates the characteristics of unsteady pressures on a vibrating model under low-turbulence and boundary-layer flows. Large and clear differences between static and vibrating models were found in the across-wind direction, but only small differences were found in the along-wind direction. The fluctuating generalized force coefficients of the vibrating model were larger than those of the static model, showing the largest value near the resonant wind speed. Two peaks in power spectra of the generalized force coefficients, the Strouhal component and the natural frequency component, were observed during the lock-in range. The cross-correlations of pressure coefficients became small and the time lag differences became large with increasing wind speed.
    Relation: Journal of Wind Engineering and Industrial Aerodynamics 174, p.344-357
    DOI: 10.1016/j.jweia.2018.01.027
    Appears in Collections:[土木工程學系暨研究所] 期刊論文

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