上下動に基く錨泊鎖張力に関する考察(日本航海学会第10回講演会)

概要

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When surveying over the scope of the problems with regard to the safety of anchoring, above treatise must be dealt without any thought that is of secondary importance, which was much emphasized R.L. Danforth as recently as 1945, for it has been well known empirically that shock on riding cable, which is most interesting and important in maintaining good anchoring, is caused by vertical motion of the ship. Fundamental consideration in this paper is due to the theory of small oscillation in conservative system, and transformation of the system is made easier by shifting H_1=const line to equi-potential line in vertical plane of ship's motion. Our treatment make clearer formation of shock on riding cable, but in conclusion, we dare emphasize, at the risk of over simplification that this influence is relatively smaller in heavy storm than in ordinary storm, etc. but without any contradiction to R.L. Danforth's report.
社団法人日本航海学会の論文
1954-04-10