Document Detail

A B-spline based heterogeneous modeling and analysis of proximal femur with graded element.
MedLine Citation:
PMID:  19541316     Owner:  NLM     Status:  MEDLINE    
Bone is a complex biological tissue and natural heterogeneous object. The main objective of this study is to simulate quasi-static loading of bio-objects like human femur with B-spline based modeling and its 3D finite element analysis with graded element. B-spline surface representation method is extended to represent material composition to develop heterogeneous solid model of proximal femur. Lagrangian graded element is used to assign inhomogeneous isotropic elastic properties in finite element model to improve the performance. Convergence study is carried out with finite element model in single leg stance load condition. To test the feasibility of the model, sensitivity of simulation is investigated. To validate the model, numerical results are compared with those of an experimental work for the same specimen in simple stance load condition obtained from one of the reference paper. Good agreement is achieved for vertical displacement and strains in most of the locations.
Uday V Pise; Amba D Bhatt; R K Srivastava; Ravi Warkedkar
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Publication Detail:
Type:  Journal Article; Validation Studies     Date:  2009-06-21
Journal Detail:
Title:  Journal of biomechanics     Volume:  42     ISSN:  1873-2380     ISO Abbreviation:  J Biomech     Publication Date:  2009 Aug 
Date Detail:
Created Date:  2009-08-11     Completed Date:  2009-11-03     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0157375     Medline TA:  J Biomech     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1981-8     Citation Subset:  IM    
Motlilal Nehru National Institute of Technology, Allahabad, India.
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MeSH Terms
Femur / physiology*
Finite Element Analysis*
Models, Biological*
Models, Statistical

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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