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首页> 外文期刊>The international journal of pavement engineering >A multiscale DEM-FEM approach to investigate the tire-pavement friction
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A multiscale DEM-FEM approach to investigate the tire-pavement friction

机译:一种多尺度DEM-FEM方法研究轮胎与路面的摩擦

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摘要

Fundamental understandings of the pavement-tire friction are vital to improve the design of asphalt pavements. Most of the current research on pavement-tire friction is based on Finite Element Method (FEM), which is relatively complex and difficult to simulate the discontinuity during friction. To overcome the limitations, in this paper, the pavement-tire friction process is investigated using a coupled Multi-scale Discrete Element Method (DEM) - FEM approach. The benefit of such a multiscale method is that DEM has the advantage of simulating the discontinuity behaviour during friction, and FEM is good at simulating the continuum material with low computation consumption. The multi-scale approach provides an innovative and promising approach to simulate the tire-pavement friction behaviour.
机译:对路面轮胎摩擦的基本了解对于改善沥青路面的设计至关重要。当前关于路面轮胎摩擦的大多数研究都是基于有限元方法(FEM)的,该方法相对复杂并且难以模拟摩擦过程中的不连续性。为了克服这些限制,本文采用耦合多尺度离散元方法(DEM)-FEM方法研究路面-轮胎摩擦过程。这种多尺度方法的好处是DEM具有模拟摩擦过程中的不连续行为的优势,而FEM擅长以较低的计算量来模拟连续体材料。多尺度方法提供了一种创新且很有前途的方法来模拟轮胎-路面摩擦行为。

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