Ein nichtlineares Finite-Element-Modell zur Bestimmung der Grenzflächenspannungen bei Hüftendoprothesen - A Non-Linear, Finite Element Model for Interface Stresses in Total Hip Replacements
- 1 January 1988
- journal article
- research article
- Published by Walter de Gruyter GmbH in Biomedizinische Technik/Biomedical Engineering
- Vol. 33 (4) , 77-83
- https://doi.org/10.1515/bmte.1988.33.4.77
Abstract
A method for determining stress distribution and relative motion at the bone-implant interface in the presence of non-linear interface conditions has been developed. The method can be applied to interface problems where no tensile stress should be transmitted across the interface. In our model, convergence was achieved after only a few iteration steps, with the main changes in the transmission of force occurring in the first two or three iteration steps. The non-linear interface conditions have a significant influence on some of the stress components in the interface. Relative movement is highest at the proximal and distal ends of the interface.Keywords
This publication has 3 references indexed in Scilit:
- Finite-element-analysis and experimental investigation in a femur with hip endoprosthesisJournal of Biomechanics, 1983
- An analysis of femoral component stem design in total hip arthroplasty.Journal of Bone and Joint Surgery, 1980
- Stress analysis of human femur with implanted Charnley prosthesisJournal of Biomechanics, 1977