摘要
探讨了SPH数值仿真算法的基本原理及该算法的优缺点;采用该算法对柱形杆高速碰撞钢制薄靶板过程中的击穿、粒子飞溅及碎片云的形成进行了数值仿真;解决了四棱柱形钢杆SPH粒子单元模型的建立问题,分析了作用过程的物理机理;表明SPH算法适用于解决高速冲击动力学问题,模拟和预测材料在高速碰撞下的瞬态响应。
The advantages and disadvantages and theory of SPH algorithm were discussed. The numerical simulation of the penetration, particle splashing and debris clouds were performed that columnar bar with high velocity impacted on thin steel plates with this method, and the problem were solved to found the SPH element model of the columnar bar, and the mechanism of forming process was analysed. It is obvious that this method was used to solve the problem of impacting dynamics and to simulate and forecast the instantaneous response of material subjected to impulsive loading,
出处
《系统仿真学报》
EI
CAS
CSCD
北大核心
2005年第9期2107-2110,共4页
Journal of System Simulation
基金
国家自然科学基金委员会-中国工程物理研究院联合基金资助项目(10276013)
关键词
SPH算法
高速碰撞
数值仿真
碎片云
SPH algorithm
high velocity impact
numerical simulation
debris clouds
