A computational tool for the probabilistic finite element analysis of an uncemented total hip replacement considering variability in bone–implant version angle

Carolina Dopico-González, Andrew M. New and Martin Browne

Computer Methods in Biomechanics and Biomedical Engineering, 2010, vol. 13, issue 1, 1-9

Abstract: In the present study, a probabilistic finite element tool was implemented to assess an uncemented total hip replacement including variability in bone–implant version angle. The Monte Carlo method was used with two different performance indicators: the bone maximum nodal von-Mises elastic strain and the bone volume (BV) percentage exceeding specified strain limits. Implant version, bone stiffness and load magnitude were the most sensitive parameters. The results were more consistent using percentage BV under specified limit strains as the performance indicator, even for a low number of simulations. The reliability of the computational tool was demonstrated through a comparison with previous studies, and the consistency of the results for all strain limits investigated.

Date: 2010
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DOI: 10.1080/10255840902911536

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