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 Experimental validation of intact and implanted distal femur finite element models
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6881

title: Experimental validation of intact and implanted distal femur finite element models
authors: Completo, A.
Fonseca, F.
Simões, J. A.
keywords: Distal Femur
Knee prosthesis
Composite femur
Finite-element analysis
Strain gauge
issue date: Jan-2007
publisher: Elsevier
abstract: Four finite element (FE) models of intact and distal femur of knee replacements were validated relative to measured bone strains. FE models of linear tetrahedrons were used. Femoral replacements with cemented stemless, cemented and noncemented femoral sterns of the PFC Sigma Modular Knee System were analyzed. Bone strains were recorded at ten locations on the cortex. The magnitude of the FE bone strains corresponded to the mean measured strains, with an overall agreement of 10%. Linear regression between the FE and mean experimental strains produced slopes between 0.94 and 1.06 and R, values between 0.92 and 0.99. RSME values were less than 12%. The FE models were able to adequately replicate the mechanical behavior of distal femur reconstructions.
URI: http://hdl.handle.net/10773/6881
ISSN: 0021-9290
publisher version/DOI: dx.doi.org/10.1016/j.jbiomech.2006.11.012
source: Journal of Biomechanics
appears in collectionsMEC - Artigos

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