Finite element analysis of projectile size and shape effects on the probabilistic penetration response of high strength fabrics

被引：47

作者：

Nilakantan, Gaurav ^{[1
]}

Wetzel, Eric D. ^{[4
]}

Bogetti, Travis A. ^{[4
]}

Gillespie, John W., Jr. ^{[1
,2
,3
]}

机构：

[1] Univ Delaware, Ctr Composite Mat, Newark, DE 19716 USA

[2] Univ Delaware, Dept Mat Sci & Engn, Newark, DE 19716 USA

[3] Univ Delaware, Dept Civil & Environm Engn, Newark, DE 19716 USA

[4] USA, Res Lab, Aberdeen Proving Ground, MD 21005 USA

来源：

COMPOSITE STRUCTURES | 2012年 / 94卷 / 05期

关键词：

Aramid fiber; Fabrics/textiles; Impact behavior; Finite element analysis (FEA); Probabilistic methods; IMPACT RESPONSE; PERFORATION; FRICTION;

D O I：

10.1016/j.compstruct.2011.12.028

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The effects of projectile characteristics on the probabilistic impact response of single-layer fully-clamped flexible woven fabrics is numerically studied using a yarn-level fabric model with a statistical implementation of yarn strengths. Six small and large sized spherical, cylindrical, and conical projectiles of the same mass are considered. Probabilistic velocity response curves which describe the probability of fabric penetration as a function of projectile impact velocity are generated for each projectile type through a series of forty impact simulations at varying impact velocities. The probabilistic fabric impact response is observed to be strongly dependent on the shape of the projectile's impact face and the manner of projectile-yarn interactions at the impact site. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1846 / 1854

页数：9

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