Using FFT to workout a wind load simulation program. The computer simulation of the stochastic wind field is achieved. The 16-dimensional random process is got.
采用快速傅立叶变换法（FFT）编制了风荷载模拟程序，实现了随机风场的计算机仿真，仿真得到了16维脉动风荷载时程样本。
Simulation of stochastic wind velocity field is prerequisite to flutter or buffeting analysis of long-span bridges in time-domain.
随机脉动风场的模拟是大跨度桥梁颤抖振时域分析的前提。
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