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| In this paper, an overview of physics based modelling of friction phenomenon, emphasizing the transition from microscale to macroscale is presented. The asperities in the contacting surfaces are replaced by spring-mass systems. Coupling is introduced between the dynamic loading alterations in normal and tangential directions. The forces acting on a single asperity, considered as spring-mass system, are then combined statistically to produce the friction force over the entire surface. The present paper proposes an innovative approach to connect the pre-sliding and the pure sliding regimes of the friction force, starting from the dynamics of a single asperity. |
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