IMECH-IR  > 力学所知识产出(1956-2008)
A dynamic model for ice-induced vibration of structures
Huang GJ(黄国君); Liu PF
Source PublicationProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Conference Name25TH International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2006
Conference DateJune 4, 2006 - June 9, 2006
Conference PlaceHamburg, Germany
AbstractA dynamic model for the ice-induced vibration (IIV) of structures is developed in the present study. Ice properties have been taken into account, such as the discrete failure, the dependence of the crushing strength on the ice velocity and the randomness of the ice failure. The most important prediction of the model is to capture the resonant frequency lock-in, which is analogue to that in the vortex-induced vibration (VIV). Based on the model, the mechanism of resonant IIV is discussed. It is found that the dependence of the ice crushing strength on the ice velocity plays an important role in the resonant frequency lock-in of IIV. In addition, an intermittent stochastic resonant vibration is simulated from the model. These predictions are supported by the laboratory and field observations reported. The present model is more productive than the previous models of IIV. Copyright © 2006 by ASME.
KeywordDynamic Modeling Frequency Lock-in Ice-structure Interaction Stochastic Vibration
WOS IDWOS:000249368000078
Indexed ByCPCI-S ; EI
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Document Type会议论文
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GB/T 7714
Huang GJ,Liu PF. A dynamic model for ice-induced vibration of structures[C],2006.
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