Multi-scale modelling of elastic moduli of trabecular bone

被引：52
|
作者：
Hamed, Elham [1 ]
Jasiuk, Iwona [1 ]
Yoo, Andrew [2 ]
Lee, YikHan [1 ]
Liszka, Tadeusz [3 ]
机构：
[1] Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
[2] Ethicon Endosurg, Cincinnati, OH 45242 USA
[3] Altair Engn Inc, Austin, TX 78757 USA
来源：
JOURNAL OF THE ROYAL SOCIETY INTERFACE | 2012年 / 9卷 / 72期
基金：
美国国家科学基金会;
关键词：
trabecular bone; elastic moduli; hierarchical structure; multi-scale modelling; nanocomposite; microCT-based finite-element modelling; MINERALIZED COLLAGEN FIBRILS; MECHANICAL-PROPERTIES; CANCELLOUS BONE; CORTICAL BONE; MANDIBULAR CONDYLE; MOLECULAR COLLAGEN; APPARENT MODULUS; TISSUE MODULUS; CONSTANTS; PREDICTION;
D O I：
10.1098/rsif.2011.0814
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We model trabecular bone as a nanocomposite material with hierarchical structure and predict its elastic properties at different structural scales. The analysis involves a bottom-up multi-scale approach, starting with nanoscale (mineralized collagen fibril) and moving up the scales to sub-microscale (single lamella), microscale (single trabecula) and mesoscale (trabecular bone) levels. Continuum micromechanics methods, composite materials laminate theory and finite-element methods are used in the analysis. Good agreement is found between theoretical and experimental results.
引用
收藏
页码：1654 / 1673
页数：20
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