Comparative FEM study on intervertebral disc modeling: Holzapfel-Gasser-Ogden vs. structural rebars
Gabriel Gruber,
Luis Fernando Nicolini,
Marx Ribeiro
et al.
Abstract:Introduction: Numerical modeling of the intervertebral disc (IVD) is challenging due to its complex and heterogeneous structure, requiring careful selection of constitutive models and material properties. A critical aspect of such modeling is the representation of annulus fibers, which significantly impact IVD biomechanics. This study presents a comparative analysis of different methods for fiber reinforcement in the annulus fibrosus of a finite element (FE) model of the human IVD.Methods: We utilized a recons… Show more
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