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A STUDY ON STATISTICAL METHOD IN MOLECULAR DYNAMICS SIMULATION

机译:分子动力学模拟中的统计方法研究

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The focus of the present paper is placed on the study of the statistical method in molecular dynamics simulation, Based on fractal theory a hypothesis is proposed by the present authors. It is asserted that the behavior of the random motion of molecules can be described by fractional Brownian functions, and the dimensionality of the fractional Brownian motion is determined by the image of the motion of particles. The image may be obtained either by molecular dynamics simulation or directly by experimental observation. Example is provided by using CH4 as the working substance to do the molecular dynamics simulation with L-J 12-6 potential function. Based on the simulation results the fractional dimensionality was determined, and the corresponding fractional Brownian function acting as the probability density function of the random motion of particles was constructed. A detailed demonstration was provided to verify the validity of the hypothesis.
机译:本文的重点是对分子动力学模拟中的统计方法研究的研究,基于分形理论,本作者提出了假设。据称,分子随机运动的行为可以由分数褐色函数描述,并且分数褐色运动的维度由粒子的运动的图像确定。图像可以通过分子动力学模拟或直接通过实验观察获得。通过使用CH 4作为工作物质提供了用L-J 12-6潜在功能进行实质的实施例。基于仿真结果,确定了分数维度,并且构建了作为颗粒随机运动的概率密度函数的相应的分数褐色函数。提供了详细的示范,以验证假设的有效性。

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