期刊
TRIBOLOGY INTERNATIONAL
卷 69, 期 -, 页码 168-175出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2013.07.018
关键词
Friction; Slip; Contact; Statistics
The frictional interactions of two bodies sliding pass each other is modeled using a modification of the Olami, Feder, Christensen (OFC) spring-block model. The major modification is based on relaxing the assumption of global driving, whereby one can simulate cases of partial contact. The effect of real contact area on several statistical measures of the sliding process is investigated. Scale-independent behavior is observed in the slip sequence size distribution, similar to OFC results, but with a different functional form. Additionally, it is found that the mean and standard deviation of the friction force may be used to determine the number of contact regions as well as a local (asperity-level) friction coefficient. (C) 2013 Elsevier Ltd. All rights reserved.
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