One of the uncoupled boundary models has been suggested, in which two elastic solids are separated by a viscous fluid membrane.
本文提出一种非密接界面模型，其中两个弹性固体被一个粘性流体薄膜所分开。
Secondly, the mathematical models of the two mainstream fluid hold valves' control systems are given, dynamic characteristic is analyzed, applicable range of them is indicated.
其次，建立了两种主流液舱阀门控制系统的数学模型，分析了它们的动态特性，指出了它们的适用范围。
The commonly used two fluid models are not suitable for bubbly flow with non uniform bubble sizes.
不同尺寸气泡的运动和受力不同。当气泡尺寸分布范围较大时，不宜采用双流体模型描述泡状流。
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