Poroelastic behaviour of cortical bone under harmonic axial loading: A finite element study at the osteonal scale

被引：45
|
作者：
Nguyen, Vu-Hieu [1 ]
Lemaire, Thibault [1 ]
Naili, Salah [1 ]
机构：
[1] Univ Paris Est, Lab Modelisat & Simulat Multi Echelle, UMR 8208, Fac Sci & Technol,CNRS, F-94010 Creteil, France
来源：
MEDICAL ENGINEERING & PHYSICS | 2010年 / 32卷 / 04期
关键词：
Cortical bone; Poroelasticity; Bone fluid flow; Periodic model; Finite element; INDUCED FLUID-FLOW; STRAIN AMPLIFICATION; OSTEOCYTES; MODEL; MECHANOTRANSDUCTION; STIMULATION;
D O I：
10.1016/j.medengphy.2010.02.001
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Bone fluid flow and its induced effects on the bone cells are important players in triggering and signalling bone formation and bone remodelling. This study aims to numerically investigate the behaviour of interstitial fluid flows in cortical bone under axial cyclic harmonic loads that mimics in vivo bone behaviour during daily activities like walking. Here, bone tissue is modelled as a fluid-saturated anisotropic poroelastic medium which consists of a periodic group of osteons. By using a frequency-domain finite element analysis, the fluid velocity field is quantified for various loading conditions and bone matrix parameters. (C) 2010 IPEM. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：384 / 390
页数：7
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