泡沫金属/金属管塑性变形缓冲器降低弹载设备过载的数值模拟

doi:10.3969/j.issn.1000-1093.2013.08.019

兵工学报 ›› 2013, Vol. 34 ›› Issue (8): 1041-1045.doi: 10.3969/j.issn.1000-1093.2013.08.019

泡沫金属/金属管塑性变形缓冲器降低弹载设备过载的数值模拟

梁增友¹, 高位², 陈智刚¹

1. 中北大学地下目标毁伤技术重点学科实验室, 山西太原030051; 2. 中国兵器装备集团公司5013 厂, 重庆402760

收稿日期:2012-10-19 修回日期:2012-10-19 上线日期:2013-10-14
作者简介:梁增友(1969—),男,教授。

The Numerical Simulation of Metal Foam / Metal Tube Plastic Deformation Energy Absorber for Reduction in Overload of Projectile-borne Equipment

LIANG Zeng-you¹, GAO Wei², CHEN Zhi-gang¹

1. National Key Laboratory of Underground Damage Technology, North University of China, Taiyuan 030051, Shanxi, China;2. Factory 5013, China South Industries Group Corporation, Chongqing 402760, China

Received:2012-10-19 Revised:2012-10-19 Online:2013-10-14

摘要/Abstract

摘要：

为降低弹载设备在弹丸高速侵彻目标过程中的高过载,设计一种可降低过载值的泡沫金属/ 金属管塑性变形缓冲器。利用有限元软件LS-DYNA 对其在降低弹载设备过载上的效能进行数值模拟研究,通过数值模拟得到弹载设备侵彻过程中的过载时程曲线,并与没有采取任何措施和仅采用单纯金属管塑性变形缓冲器的弹载设备过载时程曲线进行对比。结果表明:泡沫金属/ 金属管塑性变形缓冲器可以大幅降低高速、侵彻时间长的弹丸中的弹载设备过载,且在降低弹载设备过载效能和作用时间上优于单纯的金属管塑性变形缓冲器。

关键词: 兵器科学与技术, 泡沫金属/ 金属管, 塑性变形缓冲器, 弹载设备, 高过载

Abstract:

A metal foam / metal tube plastic deformation energy absorber is designed to reduce the high overload of projectile-borne equipment when a projectile penetrates into a target at high velocity. And the efficiency of the energy absorber to reduce the overload is studied by using finite element software LS-DYNA. The overload-time curves of projectile-borne equipment are obtained during penetrating process,and compared with the curves obtained without any measures and with metal tube plastic deformation energy absorber. The results show that the metal foam/ metal tube energy absorber can drastically reduce the overload of projectile-borne equipment at high velocity, especially, the efficiency of overload reduction and the working time is better than simple metal tube energy absorber.

Key words: ordnance science and technology, metal foam/ metal tube, plastic deformation energy absorber, projectile-borne equipment, high overload

中图分类号:

TJ410. 33

梁增友, 高位, 陈智刚. 泡沫金属/金属管塑性变形缓冲器降低弹载设备过载的数值模拟[J]. 兵工学报, 2013, 34(8): 1041-1045.

LIANG Zeng-you, GAO Wei, CHEN Zhi-gang. The Numerical Simulation of Metal Foam / Metal Tube Plastic Deformation Energy Absorber for Reduction in Overload of Projectile-borne Equipment[J]. Acta Armamentarii, 2013, 34(8): 1041-1045.

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泡沫金属/金属管塑性变形缓冲器降低弹载设备过载的数值模拟

The Numerical Simulation of Metal Foam / Metal Tube Plastic Deformation Energy Absorber for Reduction in Overload of Projectile-borne Equipment

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