Nonlinear ligament viscoelasticity

P. Provenzano; R. Lakes; T. Keenan; R. Vanderby

doi:10.1114/1.1408926

Nonlinear ligament viscoelasticity

P. Provenzano, R. Lakes, T. Keenan, R. Vanderby

Biomedical Engineering

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222 Scopus citations

Abstract

An attempt was made to consider two viscoelastic properties: the increase in tissue deformation over time with a constant load (creep) and the decrease in load with time at a constant tissue elongation (stress relaxation). The hypothesis was that nonlinear viscoelasticity of ligament requires a description more general than the separable quasilinear viscoeleasticity (QLV) formulation commonly used. This hypothesis was tested via creep and relaxation experiments performed at multiple levels in the physiologic region of recoverable loading.

Original language	English (US)
Pages (from-to)	908-914
Number of pages	7
Journal	Annals of Biomedical Engineering
Volume	29
Issue number	10
DOIs	https://doi.org/10.1114/1.1408926
State	Published - 2001

Bibliographical note

Funding Information:
This work was thankfully funded in part by NSF Grant No. CMS-9907977, NASA Grant No. NAG9-1152, and the University of Wisconsin–Madison Graduate School. The authors thank Dennis Heisey for assistance with statistical analysis.

Keywords

Creep, ligament
Quasilinear viscoelasticity (QLV)
Stress relaxation

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AU - Lakes, R.

AU - Keenan, T.

AU - Vanderby, R.

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Nonlinear ligament viscoelasticity

Abstract

Bibliographical note

Keywords

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