摘要
应用AUTODYN-2D有限差分程序,对着速在0.6~2 km/s范围之间,不同材料、不同质量和不同长径比的长杆弹侵彻混凝土靶进行了仿真计算。分析了着速对侵彻深度和混凝土靶穿孔直径的影响。结果表明：混凝土靶穿孔直径随着速的增加而增大,但侵彻深度存在拐点。进一步研究了长杆弹材料、质量和长径比对侵彻深度拐点效应的影响,长杆弹材料对侵彻深度拐点的影响较大,长杆弹的质量和长径比对拐点的影响较小。
Using the AUTODYN-2D software,penetrations of long-rod projectiles into semi-infinite concrete target at an impact speed of 0.6～2km/s were simulated,in which materials,masses and length-to-diameter ratios of projectiles are different.The effects of impact speed on penetration depth and hole diameter were analyzed.The results show that hole diameter increases with the impact speed.There is a noticeable inflection point of penetration depth.The effect of material,mass and length-to-diameter ratio on inflection point of penetration depth was further studied.The material has a huge impact on inflection point of penetration depth,while mass and length-to-diameter ratio have a little impact on inflection point of penetration depth.
出处
《高压物理学报》
EI
CAS
CSCD
北大核心
2010年第5期377-382,共6页
Chinese Journal of High Pressure Physics
基金
北京理工大学爆炸科学与技术国家重点实验室自主基金(ZDKT08-4-10)
关键词
长杆弹
侵彻
混凝土
仿真
long-rod projectile
penetration
concrete
simulation
