旋涡脱落
气动弹性
悬挂(拓扑)
强迫(数学)
涡流
振动
结构工程
空气动力学
甲板
机械
风洞
桥(图论)
跨度(工程)
风速
工作(物理)
物理
工程类
气象学
声学
机械工程
数学
湍流
大气科学
雷诺数
医学
内科学
纯数学
同伦
作者
Giorgio Diana,Ferruccio Resta,Marco Belloli,Daniele Rocchi
标识
DOI:10.1016/j.jweia.2006.01.017
摘要
Vortex-induced vibrations are not negligible while evaluating the aerodynamic and aeroelastic behavior of a long-span suspension bridge. This kind of forcing, that can produce high vibration levels, occurs at very low reduced velocities concerning low wind speed and high-frequency modes. This work presents results of experimental tests performed on the multibox deck shape of the Messina Strait bridge investigating vortex shedding phenomena and developing a numerical model to reproduce the vortex shedding forcing. The experimental tests, focused on low reduced velocities, highlight the typical non-linear pattern of the vortex shedding.
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