|本期目录/Table of Contents|

[1]汪权,王建国,张鸣祥.高层建筑结构随机风速场的数值模拟及风振控制[J].建筑科学与工程学报,2011,28(02):32-37.
 WANG Quan,WANG Jian-guo,ZHANG Ming-xiang.Numerical Simulation of Stochastic Wind Velocity Field and Wind Vibration Control of High-rise Building Structures[J].Journal of Architecture and Civil Engineering,2011,28(02):32-37.
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高层建筑结构随机风速场的数值模拟及风振控制(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
28卷
期数:
2011年02期
页码:
32-37
栏目:
出版日期:
2011-06-20

文章信息/Info

Title:
Numerical Simulation of Stochastic Wind Velocity Field and Wind Vibration Control of High-rise Building Structures
作者:
汪权王建国张鸣祥
合肥工业大学 土木与水利工程学院,安徽 合肥 230009
Author(s):
WANG Quan WANG Jian-guo ZHANG Ming-xiang
School of Civil Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
关键词:
脉动风 随机风速场 谐波叠加法 数值模拟 高层建筑 风振控制
Keywords:
fluctuating wind stochastic wind velocity field weighted amplitude wave superposition method numerical simulation high-rise building wind vibration control
分类号:
TU311.3
DOI:
-
文献标志码:
A
摘要:
基于Davenport脉动风速谱, 并考虑竖向相关性、平稳性的多变量随机过程,采用经过快速傅里叶变换算法改进的谐波叠加法对高层建筑结构进行脉动风速时程模拟,生成具有随机性的脉动风速时程曲线和风速功率谱密度函数。以76层306 m高钢筋混凝土结构风振Benchmark模型为研究对象,通过改进的谐波叠加法得出了结构在模拟脉动风荷载作用下的被动TMD控制和主动LQG控制的控制结果。研究结果表明:经过快速傅里叶变换算法改进的谐波叠加法具有很高的计算精度和效率。
Abstract:
Based on the weighted amplitude wave superposition(WAWS)method improved by fast Fourier transform(FFT)algorithm, the time history curves of stochastic fluctuating wind velocity and power spectrum density function were simulated by using the Davenport wind velocity spectrums and considering vertical correlation, stationary multivariate stochastic process. A 76-story 306 m reinforced concrete structure of Benchmark vibration model was studied. The numerical results of the dynamic response of the structure passive TMD control and active LQG control under simulation fluctuating wind loads were given. Research results show that the weighted amplitude wave superposition method improved by fast Fourier transform algorithm has good calculated accuracy and efficiency.

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备注/Memo

备注/Memo:
收稿日期:2011-01-15
基金项目:国家自然科学基金项目(10572046)
作者简介:汪 权(1981-),男,安徽合肥人,讲师,工学博士,E-mail:wquan2005@sina.com。
更新日期/Last Update: 2011-06-20