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中文摘要：
本文构造了SPH（光滑粒子动力学）-MD（分子动力学）耦合程序,在不同宽度微通道内,对不同驱动力下的液氩流动进行了模拟计算。结果表明,在通道宽度较窄时,流体速度分布和黏性系数分布均表现出很强的微尺度效应,随着通道宽度增大,这种微尺度效应逐渐减弱,流动特征逐渐接近于宏观Poiseuille流。
英文摘要：
In this paper,a coupling smoothed particle hydrodynamics（SPH） and molecular dynamics （MD） method is constructed.Using this numerical scheme,the liquid argon flow is simulated under different driving force for different micro-channel width.The results of velocity distribution and viscosity distribution reveal that the microscale effect is very strong when the channel is narrow. Furthermore,while the width becomes wider,the microscale effect grows weaker and the flow characteristic is closer to the macroscale Poiseuille flow.
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