Charge-conserving Current Assignment Algorithm in  Particle Simulation of Plasma

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2007, Vol. 24 ›› Issue (6): 655-659.

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Charge-conserving Current Assignment Algorithm in Particle Simulation of Plasma

YIN Yan¹, CHANG Wenwei¹, XU Han², ZHUO Hongbin², MA Yanyun¹

1. College of Science, National University of Defense Technology, Changsha 410073, China;
2. College of Computer, National University of Defense Technology, Changsha 410073, China

Received:2006-06-05 Revised:2007-01-18 Online:2007-11-25 Published:2007-11-25

Abstract

Abstract: A charge-conserving current assignment algorithm based on current conservation equation proposed by Villasenor and Buneman is introduced.It is found that the algorithm is not available as particle boundary conditions are adopted. With typical boundary conditions amendment methods are proposed in which the simulation satifies charge conservation.

Key words: particle simulation, charge conservation, current weighting algorithm, particle boundary condition

CLC Number:

O242
O53

YIN Yan, CHANG Wenwei, XU Han, ZHUO Hongbin, MA Yanyun. Charge-conserving Current Assignment Algorithm in Particle Simulation of Plasma[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2007, 24(6): 655-659.

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Charge-conserving Current Assignment Algorithm in Particle Simulation of Plasma

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