|Table of Contents|

Numerical Simulation of Stochastic Wind Velocity Field and Wind Vibration Control of High-rise Building Structures(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2011年02期
Page:
32-37
Research Field:
Publishing date:
2011-06-20

Info

Title:
Numerical Simulation of Stochastic Wind Velocity Field and Wind Vibration Control of High-rise Building Structures
Author(s):
WANG Quan;  WANG Jian-guo;  ZHANG Ming-xiang
School of Civil Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
Keywords:
fluctuating wind;  stochastic wind velocity field;  weighted amplitude wave superposition method;  numerical simulation;  high-rise building;  wind vibration control
PACS:
TU311.3
DOI:
-
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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Last Update: 2011-06-20