Numerical Simulation of Ballistic Impact on Particulate Composite Target using Discrete Element Method: 1-D and 2-D Models

被引：4

作者：

Nair, Rajesh P. ^{[1
]}

Rao, C. Lakshmana ^{[1
]}

机构：

[1] IIT Madras, Appl Mech Dept, Madras 600036, Tamil Nadu, India

来源：

INTERNATIONAL JOURNAL FOR COMPUTATIONAL METHODS IN ENGINEERING SCIENCE & MECHANICS | 2014年 / 15卷 / 01期

关键词：

Discrete ElementMethod; Ballistic impact; Depth of penetration; Strain rate effect; Particulate composites;

D O I：

10.1080/15502287.2013.833997

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Ballistic impact (BI) is a study that deals with a projectile hitting a target and observing its effects in terms of deformation and fragmentation of the target. The Discrete Element Method (DEM) is a powerful numerical technique used to model solid and particulate media. Here, an attempt is made to simulate the BI process using DEM. 1-D DEM for BI is developed and depth of penetration (DOP) is obtained. TheDOP is comparedwith results obtained from 2-D DEM. DEM results are found to match empirical results. Effects of strain rate sensitivity of the material response on DOP are also simulated.

引用

页码：9 / 16

页数：8

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