高压物理学报

钨合金长杆弹侵彻半无限钢靶的数值模拟及分析

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兰彬 , 文鹤鸣

高压物理学报 | 2008,22(3): 245-252

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高压物理学报 | 2008 , 22 (3) : 245 -252

钨合金长杆弹侵彻半无限钢靶的数值模拟及分析

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兰彬, 文鹤鸣

作者信息

中国科学技术大学中国科学院材料力学行为和设计国家重点实验室，安徽合肥　230027

通讯作者:

文鹤鸣（1965—），男，教授，博士生导师，主要从事冲击动力学研究. E-mail：hmwen@ustc.edu.cn

作者简介:

兰彬（1980—），男，博士研究生，主要从事冲击动力学研究. E-mail：lanbin@mail.ustc.edu.cn

Numerical Simulation and Analysis of the Penetration of Tungsten-Alloy Long Rod into Semi-Infinite Armor Steel Targets

Bin LAN, He-Ming WEN

Affiliations

CAS Key Laboratory for Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230027, China

出版时间: 2008-09-05

文章导航

摘要

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利用显式动力有限元程序ANSYS/LS-DYNA，采用ALE方法和Steinberg本构模型，对钨合金长杆弹侵彻半无限厚钢靶进行了数值模拟，给出了侵彻过程4个阶段的完整图像和相关物理量的时程变化曲线，分析了弹、靶的压力分布、质点速度以及材料的流动特性。结果表明：在较大速度范围内，模拟计算的侵彻深度与实验结果吻合得很好；沿侵彻轴线，弹靶交界面附近的材料行为主要由静水压力控制。

关键词

长杆弹 / 半无限靶 / 侵彻 / Steinberg模型 / 数值模拟

Abstract

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Numerical simulation of the penetration of tungsten alloy long rod into semi-infinite armor steel targets is performed with ALE method and Steinberg constitutive model coupled in ANSYS/LS-DYNA finite element code. The configurations of four different phases in the penetration process and the changes of relevant physical parameters with time are given. The distribution of pressure, particle velocity and the material flow characteristics of both the penetrator and the targets are analyzed. It is revealed that the numerically predicted depth of penetration is in good agreement with available experimental results and that the behavior of materials adjacent to the interface of penetrator and targets is controlled mainly by the hydrostatic pressure.

Key words

long rod penetrator / semi-infinite target / penetration / Steinberg model / numerical simulation

引用本文

兰彬, 文鹤鸣. 钨合金长杆弹侵彻半无限钢靶的数值模拟及分析. 高压物理学报, 2008 , 22 (3) : 245 -252 .

Bin LAN, He-Ming WEN. Numerical Simulation and Analysis of the Penetration of Tungsten-Alloy Long Rod into Semi-Infinite Armor Steel Targets[J]. Chinese Journal of High Pressure Physics, 2008 , 22 (3) : 245 -252 .

参考文献

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2008年第22卷第3期

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接收时间：2008-02-08
首发时间：2026-10-30
出版时间：2008-09-05

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收稿日期：2008-02-08
修回日期：2008-04-17

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中国科学技术大学中国科学院材料力学行为和设计国家重点实验室，安徽合肥　230027

通讯作者:

文鹤鸣（1965—），男，教授，博士生导师，主要从事冲击动力学研究. E-mail：hmwen@ustc.edu.cn

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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