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工程力学  2014 

厦门地区台风风场特性的数值模拟

DOI: 10.6052/j.issn.1000-4750.2012.08.0614, PP. 122-128

Keywords: 台风,数值模拟,重现期,极值风速,风剖面,风向

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Abstract:

基于1959年~2008年厦门地区的台风详细资料,采用YanMeng风场模型进行台风数值模拟,得到了台风极值风速序列,并推算出厦门地区不同重现期的极值风速,与年极值风速实测资料统计结果及现行规范值进行比较,为结构抗风设计提供了更为合理的荷载信息;同时,讨论了风向对极值风速分布的影响,为正确选择建筑方位提供理论指导。最后,基于YanMeng风场不同半径位置处风剖面的变化规律,提取厦门地区沿高度的极值风速,研究了台风条件下的风剖面规律。

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