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    題名: Investigation on Non-Gaussian Peak Factors for Wind Pressures on Domed Roof Structures
    作者: Yuan-Lung Lo
    關鍵詞: Non-Gaussian;Hermite;Extremes
    日期: 2016-06-01
    上傳時間: 2016-08-15
    出版者: 淡江大學
    摘要: Roof curvature and Reynolds number effect significantly define the characteristics of wind
    pressures on domed roof structures. Once the flow separates from the roof surface, apparent changes in
    aerodynamic coefficients or non-Gaussian wind-induced pressure spectra are expected. This paper
    investigated the non-Gaussian peak factors of wind pressure coefficients on domed roofs under a
    simulated suburban boundary layer flow. By estimating the higher statistic moments, skewness and
    kurtosis coefficients, and adopting the moment-based Hermite polynomial translation techniques,
    including the softening and hardening processes, comparisons were made based on the empirical and
    simulated results. The fairly good estimation results by translation process were demonstrated and the
    influence on the estimation of wind pressure extremes was discussed in a practical viewpoint.
    關聯: 淡江理工學刊=Journal of Applied Science and Engineering 19(2), pp.125-134
    DOI: 10.6180/jase.2016.19.2.03
    顯示於類別:[土木工程學系暨研究所] 期刊論文


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