Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/80961
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dc.contributor.authorCiamarra, Massimo Picaen
dc.contributor.authorGiacco, F.en
dc.contributor.authorSaggese, L.en
dc.contributor.authorde Arcangelis, L.en
dc.contributor.authorLippiello, E.en
dc.date.accessioned2015-12-08T02:11:35Zen
dc.date.accessioned2019-12-06T14:18:22Z-
dc.date.available2015-12-08T02:11:35Zen
dc.date.available2019-12-06T14:18:22Z-
dc.date.issued2014en
dc.identifier.citationGiacco, F., Ciamarra, M. P., Saggese, L., de Arcangelis, L., & Lippiello, E. (2014). Non-monotonic dependence of the friction coefficient on heterogeneous stiffness. Scientific Reports, 4, 6772-.en
dc.identifier.issn2045-2322en
dc.identifier.urihttps://hdl.handle.net/10356/80961-
dc.description.abstractThe complexity of the frictional dynamics at the microscopic scale makes difficult to identify all of its controlling parameters. Indeed, experiments on sheared elastic bodies have shown that the static friction coefficient depends on loading conditions, the real area of contact along the interfaces and the confining pressure. Here we show, by means of numerical simulations of a 2D Burridge-Knopoff model with a simple local friction law, that the macroscopic friction coefficient depends non-monotonically on the bulk elasticity of the system. This occurs because elastic constants control the geometrical features of the rupture fronts during the stick-slip dynamics, leading to four different ordering regimes characterized by different orientations of the rupture fronts with respect to the external shear direction. We rationalize these results by means of an energetic balance argument.en
dc.format.extent4 p.en
dc.language.isoenen
dc.relation.ispartofseriesScientific Reportsen
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercialNoDerivs 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.titleNon-monotonic dependence of the friction coefficient on heterogeneous stiffnessen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.identifier.doi10.1038/srep06772en
dc.description.versionPublished versionen
dc.identifier.pmid25345800-
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