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The mesoscopic particle approach

机译:介观粒子方法

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Within the classical dynamics of mechanical systems physical effects in boundary layers of contacting bodies are fundamental. Examples are impact motion or frictional contact. Usually the dynamics in boundary layers is given on other time and length scales than the dynamics of the system itself. This paper deals with a mesoscopic particle discretization of such contact zones or surfaces. These particles have hidden degrees of freedom from macroscopic point of view, which are separated only on a microscale. To be correct within the thermodynamic properties we have to use different time and length scale dynamics in these particle systems. In frictional contact this particle discretization can be used for detecting the heat generation and even wear properties. The research on frictional effects in boundary layers of contacting bodies was the root of developing the mesoscopic particle method.
机译:在机械系统的经典动力学中,接触体边界层的物理效应至关重要。例子是冲击运动或摩擦接触。通常,边界层的动力学是在其他时间和长度尺度上给出的,而不是系统本身的动力学。本文涉及这种接触区域或表面的介观粒子离散化。从宏观的角度来看,这些粒子具有隐藏的自由度,它们仅在微观尺度上分开。为了在热力学性质上正确,我们必须在这些粒子系统中使用不同的时间和长度尺度动力学。在摩擦接触中,这种颗粒离散化可用于检测热量的产生甚至磨损特性。对接触体边界层摩擦效应的研究是发展介观粒子法的根本。

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