High-Order Interpolation Algorithms for Charge Conservation in Particle-in-Cell Simulations

被引：6
作者：
Yu, Jinqing [1 ,2 ]
Jin, Xiaolin [1 ]
Zhou, Weimin [2 ]
Li, Bin [1 ]
Gu, Yuqiu [2 ]
机构：
[1] Univ Elect Sci & Technol China, Vacuum Elect Natl Lab, Chengdu 610054, Peoples R China
[2] China Acad Engn Phys, Res Ctr Laser Fus, Mianyang 621900, Peoples R China
来源：
COMMUNICATIONS IN COMPUTATIONAL PHYSICS | 2013年 / 13卷 / 04期
基金：
中国国家自然科学基金;
关键词：
High-order algorithms; charge conservation; PIC code; CPU time;
D O I：
10.4208/cicp.290811.050412a
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
High-order interpolation algorithms for charge conservation in Particle-in-Cell (PIC) simulations are presented. The methods are valid for the case that a particle trajectory is a zigzag line. The second-order and third-order algorithms which can be applied to any even-order and odd-order are discussed in this paper, respectively. Several test simulations are performed to demonstrate their validity in two-dimensional PIC code. Compared with the simulation results of one-order, high-order algorithms have advantages in computation precision and enlarging the grid scales which reduces the CPU time.
引用
收藏
页码：1134 / 1150
页数：17
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