日本航海学会論文集
Online ISSN : 2187-3275
Print ISSN : 0388-7405
船体離岸防止装置作用下での船体動揺の近似計算手法について
久保 雅義斎藤 勝彦沖 剛志
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1993 年 89 巻 p. 15-21

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In the previous paper, we carried out model tests under wave action in order to investigate motions of a ship moored by the prevention system of ship separation from quay wall. In this paper, we introduce an approximate calculation method of ship motions under system. The obtained results are summarized as follows : (1) Excluding the wave force and moment over a range of the prevention system, we can calculate the moored ship motions under the system. (2) The ratio of dynamic wave force to static force of the system can be calculated, and our experiments are performed under the condition of same order of both forces. (3) Even if horizontal wave moment is larger than the static moment of the system, roll motions become small by an increased damping force due to the ship side wall contact with fender.

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© 1993 公益社団法人日本航海学会
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