刚性弹体冲击金属网网孔的试验和数值分析

PDF(3673 KB)

振动与冲击 ›› 2023, Vol. 42 ›› Issue (23) : 55-64.

论文

刚性弹体冲击金属网网孔的试验和数值分析

汪敏1, 2 黄祺临1 周帅1 崔廉明1

作者信息 +

Experimental and numerical analysis of rigid projectile impacting the mesh of wire nets

WANG Min1,2， HUANG Qilin1， ZHOU Shuai1， CUI Lianming1

Author information +

文章历史 +

摘要

根据金属网与近程武器（火箭弹、迫击炮弹）相互作用的特点，在实弹拦截试验的基础上，设计并开展了刚性弹体低速冲击金属网网孔的试验，试验表明：金属网网孔在刚性弹体冲击下横向两侧钢丝交叉节点位置存在明显接触滑移，且在冲击过程中此交叉节点位置钢丝首先发生了断裂破坏，冲击后除与弹体接触部位网孔发生变形和破坏外，其余部位金属网网孔基本能恢复初始状态。结合实弹和刚性弹体低速试验现象、高强钢丝材料静动态性能试验数据等，采用LS-DYNA软件建立了精细化的金属网数值模型，开展了刚性弹体冲击金属网网孔的数值分析，数值方法可以较好的预测金属网网孔与刚性弹体间的相互作用以及金属网网孔钢丝断裂破坏现象。最后，利用数值方法对影响金属网与弹体间相互作用的因素进行了研究，结果表明：刚性弹体在冲击金属网网孔过程中受到的峰值过载力、能量损失与弹体口径和冲击速度有关，与弹体的质量关联性不大；随着弹体口径的增大，弹体受到的峰值过载力和能量损失逐渐增大；随着冲击速度的增大，弹体受到的峰值过载力逐渐增大，而弹体的能量损失逐渐减小。

Abstract

According to the characteristics of the interaction between wire nets and short-range weapons (rockets, mortar shells, etc.), the experiment of rigid projectile impacting the mesh of wire nets at low speed was designed and carried out based on the live ammunition tests. The experimental results show that: the mesh of wire nets has obvious contact slip at the intersection of the steel wires on both sides of the transverse direction, and the steel wires at these intersection positions fracture firstly.After the impact, the mesh of the other parts of the wire nets could recover to the initial state, except for the deformation and damage of the mesh in contact with the projectile. Combined with the experimental phenomena of the live ammunition tests and the rigid projectile low speed impact tests, and the static and dynamic test data of high-strength steel wire material, a refined numerical model of wire nets was established by employing the LS-DYNA software, and the numerical analysis of rigid projectile impacting the mesh of wire nets was implemented. The numerical simulation can better predict the interaction between the mesh of wire nets and the rigid projectile, as well as the fracture of the steel wires at the intersection positions of the wire nets. Finally, the factors affecting the interaction between the mesh of the wire nets and the rigid projectile were studied by numerical mothed. The results show that the peak overload force and energy loss of the rigid projectile during the impact of the mesh in the wire nets were related to the caliber and the impact speed of the rigid projectile, not the mass of the rigid projectile; with the increase of the caliber, the peak overload force and the energy loss of the rigid projectile increase; with the increase of the impact speed, the peak overload force of the rigid projectile increases, while the energy loss gradually decreases.

导出引用

汪敏1, 2 黄祺临1 周帅1 崔廉明1. 刚性弹体冲击金属网网孔的试验和数值分析[J]. 振动与冲击, 2023, 42(23): 55-64

WANG Min1,2， HUANG Qilin1， ZHOU Shuai1， CUI Lianming1. Experimental and numerical analysis of rigid projectile impacting the mesh of wire nets[J]. Journal of Vibration and Shock, 2023, 42(23): 55-64

参考文献

[1] 罗健, 侯云集, 任良, 等. 定向破片拦截下RPG-7类反坦克火箭弹（静态）毁伤模式的试验研究[J], 弹箭与制导学报, 2013, 33(2):41-46. Luo Jian, Hou Yunhui, Ren Liang, et al. Experimental study of RPG-7 damage modes under directed fragment field [J]. Journal of projectiles, Rockets, Missiles and Guidance, 2013, 33(2):41-46. (in Chinese) [2] B. Sebastian, G. Vencislav, S. Leposava, P. Mladen. Wire fence as applique armour [J]. Materials and Design, 2010, (31): 1293-1301 [3] 陈鹏, 汪敏, 陈辉国, 等. 高强钢丝编织点阵结构材料的制备及其静压试验研究[J]. 重庆理工大学学报（自然科学）, 2021, 35(10):120-126, 209. Chen Peng, Wang Min, Chen Huiguo, et al. Research on the preparation and static pressure test of high strength steel wire woven lattice structural materials [J]. Journal of Chongqing University of Technology (Natural Science), 2021, 35(10): 120-126, 209. (in Chinese) [4] 尚雨晴，杜忠华，陈曦，等. 一种新型“飞板”主动防护拦截效能分析[J]. 火力与指挥控制, 2018, 43(4):165-168, 173. Shang Yuqing, Du Zhonghua, Chen Xi, et al. Interception probability analysis of a new type of flying board active protection system [J]. Fire Control & Command Control, 2018, 43(4):165-168, 173. (in Chinese) [5] 俞棠荣. 金属网对弹体主动诱爆拦截的作用机理研究[D]. 重庆: 陆军勤务学院, 2019. Yu Tangrong. Research on the Active Intercepting and Detonating Mechanism of TECCO nets for Projectile Body [D]. Chongqing: Army Logistics Academy. (in Chinese) [6] A. Cazzani, L. Mongiovi, T. Frenez. Dynamic ﬁnite element analysis of interceptive devices for falling rocks [J]. International Journal of Rock Mechanics and Mining Sciences, 2002, (39): 303-321 [7] M. Spadari, A. Giacomini, O. Buzzi, J.P. Hambleton. Prediction of the bullet effect for rockfall barriers: a scaling approach [J]. Rock Mechanics and Rock Engineering, 2012, (45): 131-144 [8] O. Buzzi, E. Leonarduzzi, B. Krummenacher, A. Volkwein, A. Giacomini. Performance of high strength rock fall meshes: effect of block size and mesh geometry [J]. Rock Mechanics and Rock Engineering, 2015, (48): 1221-1231 [9] A. von Boetticher, A. Volkwein. Numerical modelling of chain-link steel wire nets discrete elements [J]. Canadian Journal of Civil Engineering, 2018, (99): 1-43 [10] 郭立平, 余志祥, 骆丽茹, 等. 基于力流等效的环形网顶破力学行为解析方法[J], 工程力学, 2020, 37(5):129-139. Guo Liping, Yu Zhixiang, Luo Liru, et al. An analytical method of puncture mechanical behavior of ring nets based on the load path equivalence [J]. Engineering Mechanics, 2020, 37(5): 129-139. (in Chinese) [11] 金云涛, 余志祥, 骆丽茹, 等. 正交钢丝环链网片顶压力学行为薄膜等效方法[J], 工程力学, 2021, 38(11):114-121. Jin Yuntao, Yu Zhixiang, Luo Liru, et al. A membrane equivalent method for mechanical behavior of orthogonal steel wire ring net [J]. Engineering Mechanics, 2021, 38(11):114-121. (in Chinese) [12] 齐欣, 余志祥, 张丽君, 等. 柔性环形防护网顶破受力归一化分析[J], 振动与冲击, 2021, 40(3):178-186. Qi Xin, Yu Zhixiang, Zhang Lijun, et al. Normalization analysis of puncture force of steel wire ring net [J]. Journal of Vibration and Shock, 2021, 40(3):178-186. (in Chinese) [13] 孙波, 石少卿, 汪敏. 爆炸落石形成过程数值模拟研究[J], 爆破, 2011, 28(1):5-9. Sun Bo, Shi Shaoqing, Wang Min. Numerical simulation of formation process of explosion rockfalls [J]. Blasting, 2011, 28(1):5-9. (in Chinese) [14] X.F. Xiao, M. Andrae, N. Gebbeken. Numerical study of blast mitigation effect of innovative barriers using woven wire mesh [J]. Engineering Structures, 2020, (213): 110574. [15] C.Z. Wang, H. X. Wang, K. Shankar, et al. Dynamic failure behaviour of steel wire mesh subjected to medium velocity impact: experiments and simulations [J]. International Journal of Mechanical Sciences, 2022, (216): 106991. [16] 伍惊涛，朱磊，孙章毅. 一种拦截网战斗部设计与飞散特性仿真分析[J]. 舰船电子工程, 2022, 42(5):87-90. Wu Jingtao, Zhu Lei, Sun Zhangyi. Design of Interception Network Warhead and Simulation Analysis of Dispersion Characteristics [J]. Ship Electronic Engineering, 2022, 42(5):87-90. (in Chinese) [17] 孙韬, 张国伟, 王一鸣等. 单兵火箭弹炸高优化的数值模拟与试验研究[J], 兵工学报, 2018, 39(4):681-687. Sun Tao, Zhang Guowei, Wang Yiming et al. Numerical simulation and experimental study on optimization of individual rocket burst height [J]. Acta Armamentarii, 2018, 39(4):681-687. (in Chinese) [18] LSTC, LS-DYNA, Keyword user’s manual, volume Ⅱ–material models, 2020. [19] 汪敏, 陈鹏, 刘盈丰, 等. 高强钢丝编织格栅网面内拉伸性能的数值分析[J], 西南交通大学学报, 2023, 58(2):446-452. Wang Min, Chen Peng, Liu Yingfeng et al. Numerical simulation of in-plane tensile properties of high-strength wire mesh [J]. Journal of Southwest of Jiaotong University, 2023, 58(2):446-452. (in Chinese) [20] 汪敏, 石少卿, 阳友奎. 两种不同组合形式的环形网耗能性能的对比分析[J], 振动与冲击, 2012, 31(2):55-61. Wang Min, Shi Shaoqing, Yang youkui et al. Comparative analysis of the dissipation energy capacity of the ring net by two different connection forms [J]. Journal of Vibration and Shock, 2012, 31(2):55-61. (in Chinese) [21] 黄祺临, 汪敏, 陈辉国, 等. 金属网在刚性弹头静压下的力学性能分析[J/OL], 工程力学, https://kns.cnki.net/kcms/detail//11.2595.O3.20230106.1659.009.html. Huang Qilin, Wang Min, Chen Huiguo et al. Mechanical performance analysis on the wire nets under static pressure by rigid warhead [J]. Engineering Mechanics, https://kns.cnki.net/kcms/detail//11.2595.O3.20230106.1659.009.html. (in Chinese)