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

Published online by Cambridge University Press:  03 June 2015

Jinqing Yu
Affiliation:
Vacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu 610054, China Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
Xiaolin Jin
Affiliation:
Vacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu 610054, China
Weimin Zhou
Affiliation:
Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
Bin Li
Affiliation:
Vacuum Electronics National Laboratory, University of Electronic Science and Technology of China, Chengdu 610054, China
Yuqiu Gu
Affiliation:
Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

Abstract

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.

Type
Research Article
Copyright
Copyright © Global Science Press Limited 2013

References

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