Journal
JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS
Volume 59, Issue 11, Pages 2355-2369Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jmps.2011.08.004
Keywords
Contact mechanics; Randomly rough surfaces; Elastic solids; Pressure distribution; Interfacial separation
Funding
- DFG
- EC Sixth Framework Program [N ERAS-CT-2003-980409, ALM-PERG06-GA-2009-250623]
- Swedish Research Council VR [621-2008-3839]
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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.
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