Structural Engineering and Mechanics

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Fluctuating wind field analysis based on random Fourier spectrum for wind induced response of high-rise structures

  • Lin, Li (School of Civil & Architecture Engineering, Xiamen University of Technology) ;
  • Ang, A.H.S. (Department of Civil & Environmental Engineering, University of California) ;
  • Xia, Dan-dan (School of Civil & Architecture Engineering, Xiamen University of Technology) ;
  • Hu, Hai-tao (School of Civil & Architecture Engineering, Xiamen University of Technology) ;
  • Wang, Huai-feng (School of Civil & Architecture Engineering, Xiamen University of Technology) ;
  • He, Fu-qiang (School of Civil & Architecture Engineering, Xiamen University of Technology)
  • Received : 2016.12.26
  • Accepted : 2017.07.20
  • Published : 2017.09.25
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Abstract

An accurate calculation of the stochastic wind field is the foundation for analyzing wind-induced structure response and reliability. In this research, the spatial correlation of structural wind field was considered based on the time domain method. A method for calculating the stochastic wind field based on cross stochastic Fourier spectrum was proposed. A flowchart of the proposed methodology is also presented in this study to represent the algorithm and workflow. Along with the analysis of regional wind speed distribution, the wind speed time history sample was calculated, and the efficiency can therefore be verified. Results show that the proposed method and programs could provide an efficient simulation for the wind-induced structure response analysis, and help determine the related parameters easily.

Keywords

Acknowledgement

Supported by : China Postdoctoral Science Foundation, Natural Science Foundation of Fujian Province, The Science-Technology Cooperation Foundation of Fujian-Taiwan

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