A new engineering model of debris cloud produced by hypervelocity impact

被引：25

作者：

Huang, Jie ^{[1
]}

Ma, Zhao-xia ^{[1
]}

Ren, Lei-sheng ^{[1
]}

Li, Yi ^{[1
]}

Zhou, Zhi-xuan ^{[1
]}

Liu, Sen ^{[1
]}

机构：

[1] China Aerodynam Res & Dev Ctr, Mianyang 621000, Peoples R China

来源：

INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 2013年 / 56卷

关键词：

Hypervelocity impact; Debris cloud; Distribution function;

D O I：

10.1016/j.ijimpeng.2012.07.003

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A series of numeric simulations for hypervelocity impact have been done at first. The work conditions are as follows: the material of the projectile and the target is 2A12, the impact velocity is 3-7 km/s, and the impact angle is 0 degrees similar to 60 degrees. Then the debris data identified by DebrisID program from numerical simulation results are analyzed. The model of debris cloud based on the statistical results is proposed, which includes five parts: the velocity of the debris cloud, the distribution functions of debris mass, velocity, space angles, and the relation of different distributions. A fast simulation method for debris cloud is developed at last, which is able to get detailed characteristic data of debris in short time. The debris cloud's image and characteristics agree well with results from numerical simulation and hypervelocity impact test. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：32 / 39

页数：8

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