ケーブルと物体から構成される系の動的運動解析法

概要

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Mooring and towing systems are required to have minimum deviations from the fixed position and depth, and to be statically and dynamically stable under marine environments. To meet these requirements, a designer should predict the response of the systems to these environmental disturbances. This paper proposes the mode-separation method that can analyse unsteady motions of these cable-body systems. This method assumes that the propagation speed of the cable longitudinal wave is infinite, and simulates cable-shape motion separate from cable-elongation motion, Stability analysis of the numerical solution based on the Fourier method shows that the present method requires one-tenth of the computation time compared with previous methods. The calculated results are in very good agreement with experimental values and the validity of the present method is confirmed.
一般社団法人日本機械学会の論文
1986-05-25