摘要
利用LS-DYNA动力学分析通用有限元程序,建立了平头弹丸侵彻B4C陶瓷/金属复合靶板的有限元模型,通过数值模拟实现了侵彻过程的可视化,分析了陶瓷/金属复合靶板的破坏机理,得到了平头弹丸侵彻B4C陶瓷/金属复合靶板后的残余速度对入射速度的变化曲线,并与相关试验结果进行了对比。通过对数值模拟结果进行分析,确定了2种不同情况下复合靶板的陶瓷/金属的最佳厚度比。
The finite element models of B4C ceramic / metal composite plates penetrated normally by flatended projectiles are established based on the finite element code LS-DYNA. From the numerical simulation,transient deformation and penetration process are obtained and the destroying mechanism of composite plates is analyzed. The residual versus initial velocity curves of the flat-ended projectiles are constructed and compared with available test data. Based on the analysis of numerical results,the best thickness ratio between ceramic and metal targets is determined for two cases.
出处
《装甲兵工程学院学报》
2014年第1期45-48,共4页
Journal of Academy of Armored Force Engineering
基金
国家自然科学基金资助项目(11202242)
关键词
复合靶板
弹丸
侵彻
数值模拟
LS-DYNA
composite targets
projectile
penetration
numerical simulation
LS-DYNA
