Interfacial separation between elastic solids with randomly rough surfaces: Comparison between theory and numerical techniques

被引:143
作者
Almqvist, A. [1 ,2 ]
Campana, C. [3 ]
Prodanov, N. [1 ,4 ]
Persson, B. N. J. [1 ]
机构
[1] FZ Julich, IFF, D-52425 Julich, Germany
[2] Lulea Univ Technol, Div Machine Elements, S-97187 Lulea, Sweden
[3] Univ Ottawa, Dept Chem, Ottawa, ON K1N 6N5, Canada
[4] Sumy State Univ, UA-40007 Sumy, Ukraine
基金
瑞典研究理事会;
关键词
Contact mechanics; Randomly rough surfaces; Elastic solids; Pressure distribution; Interfacial separation; CONTACT MECHANICS; GREENS-FUNCTION; DISCRETE PROPERTIES; RUBBER-FRICTION; MODEL;
D O I
10.1016/j.jmps.2011.08.004
中图分类号
T [工业技术];
学科分类号
120111 [工业工程];
摘要
We study the distribution of interfacial separations at the contact region between two elastic solids with randomly rough surfaces. An analytical expression is derived for the distribution of interfacial separations using Persson's theory of contact mechanics, and is compared to numerical solutions obtained using (a) a half-space method based on the Boussinesq equation, (b) Green's function molecular dynamics technique and (c) smart-block classical molecular dynamics. Overall, we find good agreement between all the different approaches. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2355 / 2369
页数:15
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