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A three-dimensional human head finite element model and power flow in a human head subject to impact loading.

Abstract：

:A three-dimensional finite element model of the human head is presented. The model has been validated against two sets of experimental results. To assess injury likelihood of the head subjected to impact loading, the structural intensity (SI) methodology is introduced in accordance with the prevailing practice in experimental biomechanics. SI is a vector quantity indicating the direction and magnitude of power flow inside a dynamically loaded structure. In this paper, the SI field inside the head model is computed for three cases, namely frontal, rear and side impacts. The results for the three cases have revealed that there exist power flow paths. The skull is, in general, a good energy flow channel. The study has also revealed the high possibility of spinal cord injury due to wave motion inside the head.

journal_name

J Biomech

journal_title

Journal of biomechanics

authors

Zong Z,Lee HP,Lu C

doi

10.1016/j.jbiomech.2004.11.015

keywords:

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

284-92

issue

2

eissn

0021-9290

issn

1873-2380

pii

S0021-9290(04)00578-0

journal_volume

39

pub_type

杂志文章

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