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Construction of finite element model and stress analysis of anterior cruciate ligament tibial insertion
Pakistan Journal of Medical Sciences. 2015; 31 (3): 632-636
em Inglês | IMEMR | ID: emr-192077
ABSTRACT

Objective:

The aim of the present study was to develop a more realistic finite element [FE] model of the human anterior cruciate ligament [ACL] tibial insertion and to analyze the stress distribution in the ACL internal fibers under load.

Methods:

The ACL tibial insertions were processed histologically. With Photoshop software, digital images taken from the histological slides were collaged, contour lines were drawn, and different gray values were filled based on the structure. The data were exported to Amira software and saved as ".hmascii" file. This document was imported into HyperMesh software. The solid mesh model generated using HyperMesh software was imported into Abaqus software. The material properties were introduced, boundary conditions were set, and load was added to carry out the FE analysis.

Results:

The stress distribution of the ACL internal fibers was uneven. The lowest stress could be observed in the ACL lateral fibers under tensile and shear load.

Conclusion:

The establishment of ACL tibial insertion FE model and mechanical analysis could reveal the stress distribution in the ACL internal fibers under load. There was greater load carrying capacity in the ACL lateral fibers which could sustain greater tensile and shear forces
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Índice: IMEMR (Mediterrâneo Oriental) Idioma: Inglês Revista: Pak. J. Med. Sci. Ano de publicação: 2015

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Índice: IMEMR (Mediterrâneo Oriental) Idioma: Inglês Revista: Pak. J. Med. Sci. Ano de publicação: 2015