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Blast effect on the lower extremities and its mitigation: a computational study.

Abstract：

:A series of computational studies were performed to investigate the response of the lower extremities of mounted soldiers under landmine detonation. A numerical human body model newly developed at Wayne State University was used to simulate two types of experimental studies and the model predictions were validated against test data in terms of the tibia axial force as well as bone fracture pattern. Based on the validated model, the minimum axial force causing tibia facture was found. Then a series of parametric studies was conducted to determine the critical velocity (peak velocity of the floor plate) causing tibia fracture at different upper/lower leg angles. In addition, to limit the load transmission through the vehicular floor, two types of energy absorbing materials, namely IMPAXX(®) foam and aluminum alloy honeycomb, were selected for floor matting. Their performances in terms of blast effect mitigation were compared using the validated numerical model, and it has been found that honeycomb is a more efficient material for blast injury prevention under the loading conditions studied.

journal_name

J Mech Behav Biomed Mater

journal_title

Journal of the mechanical behavior of biomedical materials

authors

Dong L,Zhu F,Jin X,Suresh M,Jiang B,Sevagan G,Cai Y,Li G,Yang KH

doi

10.1016/j.jmbbm.2013.07.010

subject

Has Abstract

pub_date

2013-12-01 00:00:00

pages

111-24

eissn

1751-6161

issn

1878-0180

pii

S1751-6161(13)00241-5

journal_volume

28

pub_type

杂志文章

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