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Study Surface Roughness and Friction of Synovial Human Knee Joint with Using Mathematical Model

Authors: Athraa N. Kadhim --- Naktal Moid Edan --- Enas Y. Abdullah
Journal: Al-Nahrain Journal of Science مجلة النهرين للعلوم ISSN: (print)26635453,(online)26635461 Year: 2018 Volume: 00 Issue: 1 Pages: 109-118
Publisher: Al-Nahrain University جامعة النهرين


In this paper lubrication and friction of normal and diseased knee joint has been introduced. Various surface roughness of articular cartilage have been determined during the gait cycle (stance phase- swing phase) using squeeze film characteristics in knee joint, this paper aims to study the effects friction and roughness on stride length for male and female during daily activities. The mathematical model depends on the basis of the Stokes micro continuum theory, as well as we used lubricant (Newtonian - non Newtonian) in case of non-Newtonian (micro-macro) roughness effect has been studied and we compared effect film thickness of squeeze film lubrication in cycle time and roughness on pressure film, load carry capacity, in the elderly and young people for each sexes.

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