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中文摘要：
我们在升在空中的落下激动由的听觉上的第九模式的裂的摆动上报导活跃地 modulating 声音压力。数字计算基于水平集合方法被执行由解决一个不可压缩的二阶段的流动问题为落下形状进化建模。震荡的落下的计算形状在对试验性的观察的好同意。在描述弄平的落下的摆动频率和参数之间的关系试验性地并且数字地被学习。第九模式的裂的摆动的频率与增加减少赤道的半径和罐头由一个修改瑞利方程是描述得好的。
英文摘要：
We report on the ninth-mode sectorial oscillation of acoustically levitated drops excited by actively modulating sound pressure. A numerical computation based on the level set method was performed to model drop shape evolution by solving an incompressible two-phase flow problem. The calculated shapes of the oscillating drop are in good agreement with experimental observations. The relationship between the oscillation frequency and parameters describing the flattened drops is studied both experimentally and numerically. The frequency of the ninth-mode sectorial oscillation decreases with increasing equatorial radius and can be well-described by a modified Rayleigh equation.
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