On the Estimation of Natural Frequencies of Vertical Vibration of Ships

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概要

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• The paper deals with the estimation of natural frequencies of the vertical vibration of ship hull, taking into account the recent investigations on the effects of fineness of the hull, shear deflection and rotatory inertia and the virtual inertia coefficient of the water. Some empirical factors obtained from the observations on board actual ships are shown. Here are also put forward new empirical formulae for estimating inertia coefficient of the water surrounding a vibrating ship based on the data obtained from several ship-shaped models.

• 社団法人日本船舶海洋工学会の論文

著者

• Kumai Toyoji

  Research Institute For Applied Mechanics Kyu Shu University

関連論文

• 5. Measurements of Boundary Layers of Ships (I)
• On the Estimation of Natural Frequencies of Vertical Vibration of Ships
• 1. On the Three-Dimensional Correction Factor for the Virtual Inertia Coefficient in the Vertical Vibration of Ships (J-value of an elliptical cylinder)

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