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Lookup NU author(s): Professor Pengfei LiuORCiD
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A 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 ice failure. The most important prediction of the model is to capture the resonant frequency lock-in, which is analog to that in the vortex-induced vibration. 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. © 2009 by ASME.
Author(s): Huang G, Liu P
Publication type: Article
Publication status: Published
Journal: Journal of Offshore Mechanics and Arctic Engineering
Print publication date: 01/02/2009
ISSN (print): 0892-7219
ISSN (electronic): 1528-896X
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