![]() ![]() Based on Johnson’s simplified spherical expansion model, together with the well-supported force–indentation relationships in the elastic and fully plastic regimes, we build an analytical approximation for the mixed elastic–plastic regime by enforcing the C 1 continuity of a loading force–indentation curve. In this paper, we distinguish the transition points among the three regimes via the material hardness and a dimensionless geometric parameter corresponding to the onset of the fully plastic regime. The loading phase may fall into three sequential regimes: elastic, mixed elastic–plastic, and fully plastic. Journal of Verification, Validation and Uncertainty QuantificationĪ complete contact cycle of an elastoplastic sphere consists of loading and unloading phases.Journal of Thermal Science and Engineering Applications.Journal of Offshore Mechanics and Arctic Engineering.Journal of Nuclear Engineering and Radiation Science. ![]()
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