Comparison of two numerical approaches for bone remodelling

Chen, Gongfa, Pettet, Graeme J., Pearcy, Mark J., & McElwain, Sean (2007) Comparison of two numerical approaches for bone remodelling. Medical Engineering and Physics, 29(1), pp. 134-139.

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This paper addresses the "checkerboard" phenomenon, which occurs in numerical simulation of bone remodelling. It attempts to answer the question: is an element-based approach suitable for bone remodelling? Two different numerical approaches, the element-based and the node-based finite element analyses, are implemented using ABAQUS. A comparison of the numerical results demonstrates that the checkerboard phenomenon occurs only in the element-based finite element analyses; the node-based approach eradicates the checkerboard phenomenon but requires much more computational time. This study shows that it is essential to enforce the continuity of bone density across the element boundaries. As the node-based approach requires much more computational time, the first-order Adams-Bashforth integration method is introduced to reduce computational cost. The comparisons with Euler's forward method demonstrate that the first-order Adams-Bashforth method indeed enhances accuracy and reduces computational cost. This study concludes that the node-based approach with the first-order Adams-Bashforth integration scheme is to be recommended for computational bone remodelling studies.

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22 citations in Scopus
14 citations in Web of Science®
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ID Code: 8254
Item Type: Journal Article
Refereed: Yes
Keywords: Bone remodelling, Finite element analysis, Checkerboard pattern, Element, based approach, Node, based approach, Integration method
DOI: 10.1016/j.medengphy.2005.12.008
ISSN: 1350-4533
Subjects: Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > APPLIED MATHEMATICS (010200) > Biological Mathematics (010202)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > Mathematical Sciences
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2007 Elsevier
Deposited On: 26 Jun 2007 00:00
Last Modified: 29 Feb 2012 13:29

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