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An analytical study of the squeezing flow of synovial fluid

机译：滑液挤压流动的分析研究

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摘要

The problem of the squeezing of a fluid film with a complex rheology is studied. The fluid is represented by the Phan-Tien and Tanner (PTT) constitutive equation. The goal of the paper is to develop an analytical approach which allows one to describe and quantify this process, which is often present in classical lubrication problems, but particularly in human joints. The present approach can potentially supplement time-consuming and costly purely numerical methods which are also susceptible to misleading artifacts. A parametric study reveals the effect of fluid elasticity compared to viscous effects and some explanation is suggested as to their possible links with joint diseases.
机译：研究了具有复杂流变性的流体膜的挤压问题。流体由Phan-Tien和Tanner（PTT）本构方程表示。本文的目的是开发一种分析方法，使人们能够描述和量化这一过程，这种过程通常出现在经典的润滑问题中，尤其是在人体关节中。本方法可以潜在地补充耗时且昂贵的纯数值方法，该方法也容易引起误导的伪像。参数研究揭示了流体弹性与粘性效应相比的效应，并提出了一些关于它们与关节疾病可能联系的解释。

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