水平振動する円筒容器内の液体の挙動 : 非線形液面応答

概要

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An experimental study is presented for the dynamic behavior of a liquid in a cylindrical container subject to horizontal oscillation with lower frequencies. The nonlinear effects on frequency characteristics of liquid surface response are investigated. It was observed that several nonlinear wave motions occurred in the container when the excitation amplitude exceeded the threshold value. These waves cannot be predicted by linear theory. It was found that the nonlinear surface waves induced by the growth of linear waves responded as 2-superharmonic, harmonic, and 1/2-subharmonic of the excitation. The occurrence of the nonlinear waves increased the elevation of the free surface. It was also observed that the breaking wave and swirl motion of the first antisymmetric slosh mode were formed in the vicinity of the natural frequency of liquid motion.
一般社団法人日本機械学会の論文
1986-11-25