Abstract
In this paper we apply modelling techniques to interpret some significant experimental observations on the ice-induced vibration of a flexible structure. The analysis is intended to promote physical understanding of the phenomena underlying ice-structure interaction. In the first part, harmonic components involved in the structural response are identified, and a procedure to simulate the transient response is proposed with a graphic illustration. In the second part, damping effects on the predominant frequency of structural response are investigated with a set of analytic solutions. It was found that the predominant frequency increases with the ice velocity up to a certain value below the natural frequency of the structure, while the average crushing force decreases with the ice velocity.
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