An efficient simulation method for vertically distributed stochastic wind velocity field based on approximate piecewise wind spectrum
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- 作者：Koffi Togbenoua ; florest2@yahoo.fr" class="auth_mail" title="E-mail the corresponding author ; Yongle Lia ; lele@swjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Ning Chena ; b ; chen-ning-520@163.com" class="auth_mail" title="E-mail the corresponding author ; Haili Liaoa ; hlliao@swjtu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Stochastic wind velocity ; Approximate wind spectrum ; Cholesky decomposition ; Kaimal spectrum
- 刊名：Journal of Wind Engineering and Industrial Aerodynamics
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：151
- 期：Complete
- 页码：48-59
- 全文大小：866 K
文摘
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The research improves the simulation efficiency of vertically distributed wind field.
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The wind spectrum is approximated as separated functions of location and frequency.
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A closed-form expression of the Cholesky decomposition is provided.
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The computing efficiency is increased 3 times for the simulation of 200 processes.