The present paper proposes an extension of the classical discrete element method used to study third body flows. Based on the concept of the tribological triplet proposed by Godet and Berthier, the aim of this work is to enrich description, by accounting for the deformation of the first body and investigating its influence on third-body rheology. To achieve this, a novel hybrid approach that combines continuous and discontinuous descriptions is used. To illustrate the advantage of such modeling, comparisons with the classical approach, which considers the first body as rigid, are performed in terms of macroscopic friction coefficient and velocity and stress profiles.
Coupling Continuous and Discontinuous Descriptions to Model First Body Deformation in Third Body Flows
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Cao, H., Renouf, M., Dubois, F., and Berthier, Y. (October 4, 2011). "Coupling Continuous and Discontinuous Descriptions to Model First Body Deformation in Third Body Flows." ASME. J. Tribol. October 2011; 133(4): 041601. https://doi.org/10.1115/1.4004881
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