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A platform for research: civil engineering, architecture and urbanism
Simple model of rain-wind-induced vibrations of stayed cables
AbstractThis paper proposes a single-degree-of-freedom model of rain-wind-induced vibrations in stayed cables. It is assumed that the frequency of the circumferential motion of the upper rivulet is equal to that of cable and the rivulet amplitude is set constant for a given wind speed. The obtained results are verified with the existing experimental data showing that these assumptions capture the qualitative properties of the phenomenon. The explicit, analytical expressions are derived for the aerodynamic damping and exciting force. Finally, a linear SDOF model is derived for simple estimation of the amplitude of cable vibrations induced by wind and rain.
Simple model of rain-wind-induced vibrations of stayed cables
AbstractThis paper proposes a single-degree-of-freedom model of rain-wind-induced vibrations in stayed cables. It is assumed that the frequency of the circumferential motion of the upper rivulet is equal to that of cable and the rivulet amplitude is set constant for a given wind speed. The obtained results are verified with the existing experimental data showing that these assumptions capture the qualitative properties of the phenomenon. The explicit, analytical expressions are derived for the aerodynamic damping and exciting force. Finally, a linear SDOF model is derived for simple estimation of the amplitude of cable vibrations induced by wind and rain.
Simple model of rain-wind-induced vibrations of stayed cables
Wilde, Krzysztof (author) / Witkowski, Wojciech (author)
Journal of Wind Engineering and Industrial Aerodynamics ; 91 ; 873-891
2003-02-24
19 pages
Article (Journal)
Electronic Resource
English
Simple model of rain-wind-induced vibrations of stayed cables
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