J Korean Orthop Assoc.  1989 Dec;24(6):1665-1672. 10.4055/jkoa.1989.24.6.1665.

Axisymmetric Contact Stress analysis of an Artificial Hip Joint of the Conical Fitting Type

Abstract

The purpose of this study is to investigate the effect of the ball-cone contact interface variation on the ceramic ball stress which is the dominant factor of the design of the moldular artificial hip joint. A contact stress analysis problem is formulated using the optimization principle and finite element analysis technique on the ball-cone system of three dimensional axi-symmetrical model, Numerical procedure is employed to get the solution for varying angles of cones and angular mismatches between the ball and cone interfaces. There is a fair amount of friction in the interface and included in the analysis model.

Keyword

Contact stress; Finite element analysis

MeSH Terms

Ceramics
Finite Element Analysis
Friction
Hip Joint*
Hip*
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