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A Nonlinear Compressible Transversely-Isotropic Viscohyperelastic Constitutive Model of the Periodontal Ligament

Zhurov, Alexei, Evans, Samuel Lewin, Holt, Catherine Avril and Middleton, John 2009. A Nonlinear Compressible Transversely-Isotropic Viscohyperelastic Constitutive Model of the Periodontal Ligament. Proceedings of the Asme International Mechanical Engineering Congress and Exposition 2008, Vol 2 , pp. 707-719.

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Abstract

The periodontal ligament may be treated as a transverselyisotropic viscohyperelastic fibre-reinforced compressible material which is subject to large deformations and has an essentially nonlinear behavior Within these assumptions, a continuum constitutive model of the PDL was proposed recently [48], which involves a number of material parameters that have to be identified from experimental data. An optical motion analysis system was developed [26] to collect data on the deformation of the PDL. In the present paper an advanced version of the model is suggested, which is based on the assumption of the existence of an additive strain-energy function dependent on a number of principal invariants. The sensitivity analysis of the material parameters is performed and a parameter identification technique is suggested.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Dentistry
Last Modified: 04 Jun 2019 20:35
URI: http://orca.cf.ac.uk/id/eprint/16131

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