A visco-hyperelastic model for skeletal muscle tissue under high strain rates

Lu, Y. T., Zhu, Hanxing X. ORCID: https://orcid.org/0000-0002-3209-6831, Richmond, Stephen ORCID: https://orcid.org/0000-0001-5449-5318 and Middleton, John 2010. A visco-hyperelastic model for skeletal muscle tissue under high strain rates. Journal of Biomechanics 43 (13) , pp. 2629-2632. 10.1016/j.jbiomech.2010.05.030

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Abstract

In this paper, a visco-hyperelastic skeletal muscle model is developed. The constitutive relation is based on the definition of a Helmholtz free energy function. It is assumed that the Helmholtz energy can be decomposed into volumetric and isochoric parts; furthermore, the isochoric energy can be decoupled into hyperelastic and viscous parts. The model developed involves 14 material parameters and its performance is evaluated by comparing the finite element simulation results with the published experimental studies on the New Zealand white rabbit tibialis anterior muscle. Results show that this model is able to describe the visco-hyperelastic behaviour of both passive and active skeletal muscle tissues under high strain rates (10/s and 25/s). Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Dentistry Engineering
Uncontrolled Keywords:	Finite element method; Constitutive relation; Skeletal muscle; Visco-hyperelastic; Strain energy
Publisher:	Elsevier
ISSN:	0021-9290
Last Modified:	18 Oct 2022 13:56
URI:	https://orca.cardiff.ac.uk/id/eprint/15929

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