Investigation on Non-Gaussian Peak Factors for Wind Pressures on Domed Roof Structures

淡江大學機構典藏 > 工學院 > 土木工程學系暨研究所 > 期刊論文 > Item 987654321/107105

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题名:	Investigation on Non-Gaussian Peak Factors for Wind Pressures on Domed Roof Structures
作者:	Yuan-Lung Lo
关键词:	Non-Gaussian;Hermite;Extremes
日期:	2016-06-01
上传时间:	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
显示于类别:	[土木工程學系暨研究所] 期刊論文

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