软铁弹带挤进过程数值模拟  

Numerical Simulation of the Engraving Process of Pure Iron Rotating Band

作　　者：王亮宽[1] 刘毅[2] 周宇[3] 刘铁军[4] 第五强强 WANG Liangkuan;LIU Yi;ZHOU Yu;LIU Tiejun;DIWU Qiangqiang(Northwest Institute of Mechanical & Electrical Engineering,Xianyang 712099,Shaanxi,China;Xi’an Modern Chemistry Research Institute,Xi’an 710065,Shaanxi,China;63850 Troops of PLA,Baicheng 137001,Jilin,China;75833 Troops of PLA,Guangzhou 510080,Guangdong,China)

机构地区：[1]西北机电工程研究所,陕西咸阳712099 [2]西安近代化学研究所,陕西西安710065 [3]中国人民解放军63850部队,吉林白城137001 [4]中国人民解放军75833部队,广东广州510080

出　　处：《火炮发射与控制学报》2018年第4期50-53,59,共5页Journal of Gun Launch & Control

基　　金：国防重点实验室基金(61426030205162603002).

摘　　要：建立35 mm高炮身管及弹丸三维几何模型,基于Johnson-Cook本构模型,利用有限元软件ABAQUS对35 mm弹丸软铁弹带挤进身管过程进行了仿真研究。揭示了软铁弹带挤进变形过程,研究了软铁挤进过程中35 mm弹丸运动规律及挤进阻力变化规律,获得了35 mm弹丸挤进过程中最大阻力约为71. 0 k N,挤进持续时间约为0. 65 ms,弹带推挤延展长度约为2 mm。研究成果为35 mm口径火炮、特别是埋头弹火炮及金属风暴等新概念武器的研究提供了参考。A study was made of the engraving process of pure iron rotating band with the three-dimensional geometric model of35mm anti-aircraft artillery barrel and projectile established based on the Johnson-Cook constitutive model,and with the engraving process of the pure iron rotating band numerically simulated by means of the ABAQUS.The deformation process of the pure iron rotating band was revealed through the study of the movement law of the35mm projectile and the rule of the resistance change in the engraving process.The results show that the maximum resistance of the35mm projectile is about71.0kN,the duration of the engraving process is about0.65ms,and the extension length of the projectile is about2mm.The research results will provide a reference for the study of35mm caliber artillery,especially the new conceptual weapons such as CTA and metal storm.

关 键 词：火炮 本构模型 软铁弹带 挤进过程 数值模拟 

分 类 号：TJ33[兵器科学与技术—火炮、自动武器与弹药工程]