走錨する船の挙動解析と避泊安全対策

概要

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There are two ways to assure the safety of the outside-harbour-refuge under the stormy weather such as typhoon. One is to take the technical countermeasures to avoid the dragging anchor and the other is to drop her anchor at a point appropriate distance apart from the other anchored vessels. In the present paper, the basic idea how to decide such clearance between anchored vessels is discussed and the model to estimate the minimum clearance to be kept around the own vessel against the obstacles such as the other anchored vessels or the shoals is proposed. In the model, the minimum clearance is composed of the three parts of space, that is, the space which is needed owing to the swinging motion before her anchor loses its holding power, the space which is needed while the vessel drifts to the lee after her anchor loses its holding power and the space which is needed during the ship handling operations to recover her own control. These components can be estimated on the basis of the results of the simulation analysis shown in this paper.
社団法人日本航海学会の論文
1988-03-25