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Interfacial separation between elastic solids with randomly rough surfaces: Comparison between theory and numerical techniques
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-7029-1112
University of Ottawa, Department of Chemistry, Ottawa, Canada K1N6N5.
Sumy State University, 2 Rimskii-KorsakovStr., 40007 Sumy, Ukraine.
IFF, Jülich.
2011 (English)In: Journal of the mechanics and physics of solids, ISSN 0022-5096, E-ISSN 1873-4782, Vol. 59, no 11, p. 2355-2369Article in journal (Refereed) Published
Abstract [en]

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) a Green's function molecular dynamics technique and (c) smart-block classical molecular dynamics. Overall, we find good agreement between all the different approaches.

Place, publisher, year, edition, pages
2011. Vol. 59, no 11, p. 2355-2369
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-5918DOI: 10.1016/j.jmps.2011.08.004ISI: 000296170800007Scopus ID: 2-s2.0-80053576380Local ID: 41a86870-cac8-49ca-93cf-b51f2ff1124cOAI: oai:DiVA.org:ltu-5918DiVA, id: diva2:978794
Note
Validerad; 2011; 20111019 (almqvist)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Almqvist, Andreas

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