20310 ピッチング励振を受ける直方体容器内の3次元スロッシング : 容器縦横比の影響(OS6 非線形現象とその応用)

概要

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Frequency responses of two- and three-dimensional liquid motions in a partially filled rectangular tank, subjected to a pitching excitation at a frequency in the neighborhood of the lowest resonant frequency, are investigated. The nonlinearity of the liquid surface oscillation and the nonlinear coupling between the dominant modes and other modes are considered in the response analysis of the sloshing motion. The equations governing the amplitude of those two types of liquid surface motions are derived and the stability analysis of each motion is conducted. An experiment was carried out using a model tank. Good agreement was found between the theoretical and experimental results. The effects of the aspect ratio of the bottom of the tank on liquid motion were discussed.
社団法人日本機械学会の論文
2005-03-17