Physics-based modeling for partial slip behavior of spherical contacts

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Abstract

A physics-based modeling approach for partial slip behavior of a spherical contact is proposed. In this approach, elastic and elastic-plastic normal preload and preload-dependent friction coefficient models are integrated into the Cattaneo-Mindlin partial slip solution. Partial slip responses to cyclic tangential loading (fretting loops) obtained by this approach are favorably compared with experiments and finite element results from the literature. In addition to load-deformation curves, tangential stiffness of the contact and energy dissipation per fretting cycle predictions of the models are also provided. Finally, the critical assumptions of elastically similar bodies, smooth contact surface and negligible adhesion, and limitations of this physics-based modeling approach are discussed. © 2010 Elsevier Ltd. All rights reserved.

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Eriten, M., Polycarpou, A. A., & Bergman, L. A. (2010). Physics-based modeling for partial slip behavior of spherical contacts. International Journal of Solids and Structures, 47(18–19), 2554–2567. https://doi.org/10.1016/j.ijsolstr.2010.05.017

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