一种基于LS-DYNA的炮弹破片极限穿透速度仿真方法  

A Simulation Method for the Limit Penetration Velocity of Shell Fragments Based on LS-DYNA

作　　者：秦杰 雷鸣 安明东 QIN Jie;LEI Ming;AN Mingdong(Laboratory of Guidance Control and Information Perception Technology of High Overload Projectiles,Army Academy of Artillery and Air Defense,Hefei 230031)

机构地区：[1]陆军炮兵防空兵学院高过载弹药制导控制与信息感知实验室,合肥230031

出　　处：《舰船电子工程》2021年第8期78-81,共4页Ship Electronic Engineering

摘　　要：为研究弹药破片效应对目标装甲的毁伤效能,对预制破片战斗部爆炸后的破片场速度分布进行了有限元仿真,并进行后处理得到钨柱预制破片在爆轰作用下的飞散情况以及速度变化曲线,随后利用有限元分析软件LS-DYNA进行破片对靶板的侵彻过程仿真,得到破片对靶板的极限穿透速度,并设计试验进行了验证,试验结果表明该仿真方法的可行性。In order to research the damage effectiveness of the warhead fragmentations effect on the armor of target,the velocity of the warhead fragmentations field after explosion is simulated by finite element,and then post-processing is performed to obtain the situation of fragments distribution and the speed curve of the prefabricated tungsten-column fragmentations produced by the detonation.Then,the finite element analysis software LS-DYNA is used to simulate the penetration process of the fragmentations on the target plate,and the limit penetration velocity is obtained,and the designed experiment is performed to verify the feasibility of the simulation method.

关 键 词：数值模拟 极限穿透速度 LS-DYNA 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]