Investigation elastic artery remodeling under dynamic and static loads

Khalesi, Hamed; Niroomand Oscuii, Hanie; Ghalichi, Farzan

doi:10.22041/ijbme.2011.13147

Document Type : Full Research Paper

Authors

¹ M.Sc Graduate, Biomechanics Group, Department of Mechanical Engineering, Sahand University of Technology

² Assistant Professor, Biomechanics Group, Department of Mechanical Engineering, Sahand University of Technology

³ Professor, Biomechanics Group, Department of Mechanical Engineering, Sahand University of Technology

10.22041/ijbme.2011.13147

Abstract

Prediction of the relationship between different types of mechanical loading and the failure of the intervertebral disc is so important to identify the risk factors which are difficult to study in vivo and in vitro. On the basis of finite element methods some of these issues may be overcome enabling more detailed assessment of the biomechanical behavior of the intervertebral disc. The objective of this paper is to develop a nonlinear axisymmetric poroelastic finite element model of lumbar motion segment and show its capability for studying the time-dependent response of disc. After comparison of the response of different models in quasi-static analysis, the poroelastic model of intervertebral disc is presented and the results of short-term, long-term creep tests and cyclic loading were investigated. The results of the poroelastic model are in agreement with experimental ones reported in the literature. Hence, this model can be used to study how different dynamic loading regimes are important as risk factors for initiation of intervertebral disc degeneration.

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Main Subjects

References

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Iranian Journal of Biomedical Engineering

Investigation elastic artery remodeling under dynamic and static loads

References

References

Volume 5, Issue 2 - Serial Number 2
June 2011
Pages 143-149

Investigation elastic artery remodeling under dynamic and static loads

References

References

Volume 5, Issue 2 - Serial Number 2June 2011Pages 143-149

Volume 5, Issue 2 - Serial Number 2
June 2011
Pages 143-149