| Analysis of the structural behavior of the pelvis during lateral impact using the finite element method. | |
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MedLine Citation:
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PMID: 10084625 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this study, three-dimensional finite element models were created from computer tomography data to study lateral impact fractures of the pelvis. The models reflect the complex geometry and material properties of the pelvis. The models were compared to published experimental results for validation. Dynamic analyses of the pelvic structure were performed for different peak forces in the range of 5520 to 15550 N to correspond to the velocities and impulses of real world accidents. The locations of structurally significant regions of the pelvis were identified based upon the stress distribution and upon the energy stored by the pelvis to failure. The impact force which induced fracture of the pelvic bone was 8610 N. The region which failed first in left lateral impact was the right pubic ramus. The fracture pattern was a variant of the lateral compression pelvic injury. The results suggest that the anterior structures of the pelvis are the most sensitive regions. The energy absorbed by the pelvis prior to failure was 8.98 J. The finite element method may be used to determine the strength and energy-absorbing capability of the pelvis for lateral impact loading. |
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Authors:
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J M Dawson; B V Khmelniker; M P McAndrew |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Accident; analysis and prevention Volume: 31 ISSN: 0001-4575 ISO Abbreviation: Accid Anal Prev Publication Date: 1999 Jan-Mar |
Date Detail:
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Created Date: 1999-04-29 Completed Date: 1999-04-29 Revised Date: 2005-11-17 |
Medline Journal Info:
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Nlm Unique ID: 1254476 Medline TA: Accid Anal Prev Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 109-19 Citation Subset: IM |
Affiliation:
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Department of Orthopaedics and Rehabilitation, Vanderbilt University Medical Center, Nashville, TN 37232-2550, USA. john.m.dawson@mcmail.vanderbilt.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Biomechanics Finite Element Analysis* Fractures, Bone / physiopathology* Humans Models, Anatomic Pelvic Bones / injuries* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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