A high-frequency lung injury mechanism in blunt thoracic impact

被引：26

作者：

Grimal, Q ^{[1
]}

Naïli, S ^{[1
]}

Watzky, A ^{[1
]}

机构：

[1] Univ Paris 13 Val de Marne, Fac Sci & Technol, CNRS, UMR 7052 B20A,Lab Mecan Phys, F-94010 Creteil, France

来源：

JOURNAL OF BIOMECHANICS | 2005年 / 38卷 / 06期

关键词：

trauma; modeling; finite elements method; body armor; blast;

D O I：

10.1016/j.jbiomech.2004.06.010

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 [生物物理学];

摘要：

When a mechanical load is applied very rapidly to the thoracic wall, part of the internal damage is suspected to be due to a "highfrequency" injury mechanism, that is, a phenomenon in which waves are involved. This paper addresses a specific high-frequency mechanism for lung injury in which a stress wave is generated through rapid acceleration of the body wall. Displacement-related injuries, which are rather "low-frequency" phenomena, are not considered. The present work was done in the context of assessing behind armor blunt trauma (injury to thoracic organs occurring when a bullet is stopped by a body armor) through mathematical modeling. One aspect of the thorax response to high-speed blunt impact and an associated injury mechanism are investigated based on an idealized model of thorax and a set of computations presented in previous papers. The injury mechanism considered elucidates a possible mathematical relationship between the acceleration at the surface of the thoracic wall and the occurrence of lung injury. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1247 / 1254

页数：8

共 27 条

[1]

[Anonymous], 2013, Biomechanics: Motion, Flow, Stress, and Growth

[2]

Bir C., 2000, THESIS WAYNE STATE U

[3]

BUSH I, 1988, P INT RES COUNC BIOM, P227

[4]

CANNON L, 2001, 19 INT S BALL INT SW, P885