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Brownian motion model of nanoparticle considering nonrigidity of matter-a systems modeling approach

机译:考虑物质非刚性的纳米粒子布朗运动模型-系统建模方法

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摘要

The variance models for Brownian motion are developed either using the diffusion equation method or by using spectral analysis with a Langevin equation. The diffusion method approach does not consider properties of matter like inertia, elasticity, and dissipative capabilities whereas in the Langevin equation approach, although based on the property concept, the matter is considered rigid and there are no attempts of inclusion of elastic and other properties to study the Brownian motion. The concept of absoluteness (in rigidity) is debatable in nanodomains, and instead an analytical model for Brownian motion of nanosize particles has been obtained and explored in this work using the Langevin equation considering nonrigidity and dissipative capabilities of matter.
机译:布朗运动的方差模型是使用扩散方程方法或通过使用带有Langevin方程的频谱分析来开发的。扩散方法不考虑物质的性质,例如惯性,弹性和耗散能力,而在兰格文方程法中,尽管基于性质概念,但物质被认为是刚性的,没有尝试将弹性和其他性质包含在内研究布朗运动。绝对性(刚性)的概念在纳米域中是有争议的,而在这项工作中,考虑到物质的非刚性和耗散能力,使用Langevin方程获得并探索了纳米粒子布朗运动的解析模型。

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