Numerical simulation of instantaneous wind speed and wind load on the stayed cable

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Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (7) : 210-212.

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Numerical simulation of instantaneous wind speed and wind load on the stayed cable

FANG Zhi-hua; LI Chen

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Abstract

Based on linear autoregressive model, identified simulation of fluctuating wind changed with time and height, compiled instantaneous wind speed and wind load procedures. The method is extended to cable-stayed structure and simulated wind speed and wind pressure of A34 cable on the SU-TONG stayed cable bridge. Analyzed the fluctuating wind time history used Spectrum Analysis and Mathematical Statistics. The results showed that simulated spectrum is good agreement with target spectrum and proved the accuracy of procedures.

Key words

Stayed cable / wind speed time series / wind pressure time series / power spectral density

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FANG Zhi-hua;LI Chen. Numerical simulation of instantaneous wind speed and wind load on the stayed cable[J]. Journal of Vibration and Shock, 2010, 29(7): 210-212