基于负氢离子源的全三维PIC/MCC模拟算法研究  

A three-dimensional particle-in-cell/Monte Carlo computer simulation based on negative hydrogen ion source

作　　者：杨超[1] 刘大刚[1] 王小敏[1] 刘腊群[1] 王学琼[1] 刘盛纲[1] 

机构地区：[1]电子科技大学物理电子学院,成都610054

出　　处：《物理学报》2012年第4期285-290,共6页Acta Physica Sinica

基　　金：国家重点基础研究发展计划(973)项目(批准号:2007CB310401)资助的课题~~

摘　　要：在分析负氢离子源中等离子体物理机理基础下,研究并优化粒子模拟算法,设计高效的粒子存储方法.研究并运用粒子碰撞蒙特卡罗方法,考虑等离子体势以及带电粒子间库仑碰撞,研制了全三维粒子模拟/蒙特卡罗算法(PIC/MCC).采用磁荷模型,运用时域有限差分方法计算多峰磁场,并结合国外负氢离子源JT-60U,考虑负氢离子源中主要反应,对全三维PIC/MCC模拟算法模拟验证.Based on the analysis of the plasma physics mechanism in negative hydrogen ion source,the particle-in-cell algorithm is studied and optimized and a high efficient storage method of particles is designed.Using the Monte Carlo collision model,considering the plasma potential and coulomb collisions between charged particles,the full three-dimensional particle-in-cell/ Monte Carlo algorithm （PIC/MCC） is developed.With the magnetic charge model,using the FDTD method,the line cusp magnetic field is calculated.With the negative hydrogen ion source JT-60U and considering the main reactions in the negative hydrogen ion source,the full three-dimensional PIC/MCC simulation algorithm is verified by simulation.

关 键 词：负氢离子源 粒子模拟 蒙特卡罗 

分 类 号：O53[理学—等离子体物理]