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http://dx.doi.org/10.12989/was.2014.19.2.169

An alternative method for estimation of annual extreme wind speeds  

Hui, Yi (College of civil engineering, Hunan University)
Yang, Qingshan (Beijing's Key Laboratory of Structural Wind Engineering and Urban Wind Environment, School of Civil Engineering, Beijing Jiaotong University)
Li, Zhengnong (College of civil engineering, Hunan University)
Publication Information
Wind and Structures / v.19, no.2, 2014 , pp. 169-184 More about this Journal
Abstract
This paper presents a method of estimation of extreme wind. Assuming the extreme wind follows the Gumbel distribution, it is modeled through fitting an exponential function to the numbers of storms over different thresholds. The comparison between the estimated results with the Improved Method of Independent Storms (IMIS) shows that the proposed method gives reliable estimation of extreme wind. The proposed method also shows its advantage on the insensitiveness of estimated results to the precision of the data. The volume of extreme storms used in the estimation leads to more than 5% differences in the estimated wind speed with 50-year return period. The annual rate of independent storms is not a significant factor to the estimation.
Keywords
extreme wind speed; extreme value estimation; annual maximum; independent storms; weighted least-squares method;
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