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Title
Japanese:風力のパワースペクトル密度の平滑化が風応答予測に及ぼす影響 
English:EFFECTS OF SMOOTHING WIND POWER SPECTRAL DENSITY ON WIND RESPONSE PREDICTION 
Author
Japanese: 小林稜, 佐藤大樹, 田中英之, Alex Shegay.  
English: Ryo Kobayashi, Daiki Sato, Hideyuki Tanaka, Alex Shegay.  
Language Japanese 
Journal/Book name
Japanese:鋼構造年次論文報告集 
English:Proceedings of Constructional Steel 
Volume, Number, Page vol. 30        pp. 585-596
Published date Nov. 2022 
Publisher
Japanese:日本鋼構造協会 
English:Japanese Society of Steel Construction 
Conference name
Japanese:鋼構造シンポジウム2022 
English:Steel Construction Symposium 2022 
Conference site
Japanese:東京 
English:Tokyo 
Abstract In Japan, the "Recommendation for Loads on Buildings" standard is usually used to evaluate the wind loads on buildings and the corresponding response. This standard includes a formula for predicting the standard deviation of response displacement, and the value of the power spectral density of the input wind force at the natural frequency building. However, since the fluctuation of the power spectral density of the input wind force is large relative to the change in the frequency, the predicted standard deviation of the response displacement may be sensitive to small changes in the building's natural frequency. The purpose of this study is to clarify the effect of smoothing of the wind force power spectral density on the accuracy of the predicted wind response.

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