Empirical mathematical model for describing anisotropic dry friction forces

被引：1
|
作者：
Wijata, Adam [1 ]
Stanczyk, Bartosz [1 ]
Awrejcewicz, Jan [1 ]
机构：
[1] Lodz Univ Technol, 1-15 Stefanowskiego St, PL-90537 Lodz, Poland
来源：
TRIBOLOGY INTERNATIONAL | 2024年 / 192卷
关键词：
Mechanical contact; Solid friction; Anisotropic friction; Sliding rule; COVARIANT DESCRIPTION; CONTACT INTERFACES; FORMULATION; ADHESION; SURFACES;
D O I：
10.1016/j.triboint.2024.109324
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The paper presents an experimental and simulative study on anisotropic dry friction. Friction force components tangential and normal to sliding velocity are measured for the corrugated cardboard -felt frictional pair. Six different curves with two -fold symmetry are analysed in terms of modelling anisotropic friction. Next, the parameters of the analysed curves are identified based on the experimental results. Friction hodograph is best described by the Gielis' curve and the superellipse, whereas the ellipse seems to be the worst choice. The sliding potential is described best by the oval. It is shown that modelling of the sliding potential can be crucial in capturing the dynamics of the system and the superelliptical sliding rule can lead to qualitatively different results.
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页数：22
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