非線形力学から見た船の横揺れ解析-II : 自然風波中の横揺れと非線形力学理論

概要

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Using the method given in the previous paper, the author has been analysed the ship's rolling motion in wind waves by the model experiments. The coefficients of nonlinear differential equation for the ship rolling motion at sea have been deduced from the experimental data and solved by Runge-Kutta method for Froud-Krilov forces described in various functions. Based on both of the solutions of equation and the experimental results, statistics, power spectra and Poincare mapping functions have been calculated. The utilities of the mathematical model for the ship motion in the experiments have been discussed.
社団法人日本航海学会の論文
1990-03-20