Secondly, based microscopic motions of particles inside granular system, we have analyzed the macroscopic mechanical features of annular shear granular flow using probability statistic method.
其次，从微观尺度下粒子的运动特征出发，利用统计分析的方法研究了环形剪切颗粒流的宏观动力学特性。
As examples, the critical loads of annular plates under the uniform radial pressure and shear forces are given.
作为算例，给出了环形板在中面均匀径向压力和剪切力作用下的临界载荷。
Considering gravity, interfacial shear stress, surface tension and interfacial thermal resistance, the analysis model for annular flow condensation heat transfer in microtube was presented.
本文提出了微圆管内环状流凝结换热的分析模型，考虑了重力、汽液界面剪切力、表面张力以及界面凝结热阻的作用。
Based on the first order shear deformation theory and Hamiltonian principle, the governing equations and boundary conditions of rotating multi-layer annular plate were derived.
基于一阶剪切变形理论和哈密顿原理，建立了旋转层合圆板动力学运动方程和相应的边界条件。
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.
根据能量耗散率与剪切率的关系，采用体积平均能量耗散率计算环空管流的平均剪切率，以此来评价环空管流的剪切作用。
The wall shear stress caused by cement slurry flowing in the annular space is a key element that affects the displacing efficiency.
水泥浆环空流动的壁面剪应力是影响顶替效率的关键因素。
The wall shear stress caused by cement slurry flowing in the annular space is a key element that affects the displacing efficiency.
水泥浆环空流动的壁面剪应力是影响顶替效率的关键因素。
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