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截断半径变化对汽液界面参数和分维数的影响 被引量:2

THE INFLUENCE OF CUT-OFF RADIUS ON THE VARIATION OF THE PARAMETERS AND FRACTIONAL DIMENSION NUMBER OF THE LIQUID-VAPOR INTERFACE
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摘要 本文在分形理论基础上,采用分子动力学模拟方法研究了在平衡状态下的汽液界面参数,得了界面区内的密度、 温度、压力张量、表面张力和分维数的分布。研究表明,利用分形理论可以较好的反映汽液界面的特性。势函数的截断半 径对汽液界面参数和分维数的模拟值存在影响。 Based on fractal theory, the density, the temperature, the pressure tensor, the local surface tension and fractional dimension number of liquid-vapor interface at equilibrium are obtained by the help of molecular dynamics simulation. The study indicates that the fractal theory can reveal the characters of the liquid-vapor interface very well. The cut-off radius of the potential function has effect on the parameters and fractional dimension number of liquid-vapor interface.
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2003年第1期28-30,共3页 Journal of Engineering Thermophysics
基金 国家自然科学基金资助项目(No.50076048 No.50276071)
关键词 截断半径 密度 分形理论 汽液界面 分子动力学模拟 分维数 liquid-vapor interface molecular dynamics simulation fractional dimension number
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共引文献11

同被引文献13

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