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Wind and Structures Volume 10, Number 1, January 2007 , pages 83-97 DOI: https://doi.org/10.12989/was.2007.10.1.083 |
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Rain-wind induced vibrations of cables in laminar and turbulent flow |
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U. Peil and O. Dreyer
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| Abstract | ||
| In the last decades there have been frequent reports of oscillations of slender tension members under simultaneous action of rain and wind - characterized by large amplitudes and low frequencies. The members, e.g. cables of cable-stayed bridges, slightly inclined hangers of arch bridges or cables of guyed-masts, show a circular cross section and low damping. These rain-wind induced vibrations negatively affect the serviceability and the lifespan of the structures. The present article gives a short literature review, describes a mathematical approach for the simulation of rain-wind induced vibrations, sums up some examples to verify the calculated results and discusses measures to suppress the vibrations. | ||
| Key Words | ||
| cable vibration; rain; wind; numerical simulation; aeroelastic instability. | ||
| Address | ||
| U. Peil and O. Dreyer; Institute for Steel Structures, Technical University, Braunschweig, Germany | ||