Journal
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Volume 237, Issue -, Pages 227-243Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2012.05.002
Keywords
Size effect method; Trabecular human bone; Multi-scale modeling; Non-linear Cosserat; Conformal curvature energy density; 3D-FEM
Funding
- ANR Tecsan under the MODOS project
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In the present study, the method of size effect was used to describe the hierarchical multi-scale behavior of trabecular human bone using micro-CT image. The micro-CT images extracted from a 98-year old male patient were used to provide the 3D-model of cancellous bone, which involves one of the most complex natural pore network. The non-linear or so-called geometrically exact Cosserat elasticity including Augmented Lagrangian-Eulerian (ALE) method has been used to handle the multi-scale behavior of trabecular human bone involving size effect in explicit manner. We have chosen the conformal energy density within micro-randomness issue in which the heterogeneous deformations at small scales are inherently sustained. (c) 2012 Elsevier B.V. All rights reserved.
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