On application of Fung's quasi-linear viscoelastic model to modeling of impact experiment for articular cartilage

被引:17
|
作者
Selyutina, N. S. [1 ,2 ]
Argatov, I. I. [2 ]
Mishuris, G. S. [2 ,3 ]
机构
[1] St Petersburg State Univ, St Petersburg 199034, Russia
[2] Aberystwyth Univ, Aberystwyth, Dyfed, Wales
[3] Rzeszow Univ Technol, Rzeszow, Poland
关键词
Articular cartilage; Coefficient of the restitution; Fung's model; Hunt-Crossley model; COMPRESSIVE MODULUS; SOFT-TISSUES;
D O I
10.1016/j.mechrescom.2015.04.003
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
A one-dimensional impact problem for articular cartilage is considered. Behavior of the coefficient of restitution, peak strain, maximum stress in the drop-weight impact experiment is studied in detail. The non-linear viscoelastic Hunt-Crossley model previously used to fit experimental data is compared with a new quasi-linear viscoelastic Kelvin-Voigt model enriched in Fung's non-linear assumptions. It has been shown that the new model, having clear physical sense, better describes the experimental data. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:24 / 30
页数:7
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