外乱を受ける係留船舶の挙動と索張力の関係について

概要

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The forces in the mooring cables and displacement of ship motions were measured in order to analyze the relationship between themselves. The ship is a berthed LNG carrier with 270m length. Results of this kind of measurement for the large ships have never been reported. AR modelling procedure was taken for the spectral analysis and power spectra of fluctuating tension in the mooring cables were examined in detail. And, applying the power contribution analysis, the effects of ship motions upon the power spectrum of fluctuating tension were investigated. Furthermore, a computer simulation program for a moored ship was developed and applied to this measurement in order to examine the reliability of itself. In this paper, the outline of these analysis are described and a few problems are discussed.
社団法人日本航海学会の論文
1998-03-25