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Parallel implementation of a three-dimensional electrostatic PIC–MCC method using an unstructured tetrahedral mesh

Published online by Cambridge University Press:  20 December 2006

J.-S. WU  and
K.-H. HSU
J.-S. WU
Affiliation:
Department of Mechanical Engineering, National Chiao-Tung University, Hsinchu 30050, Taiwan
K.-H. HSU
Affiliation:
Department of Mechanical Engineering, National Chiao-Tung University, Hsinchu 30050, Taiwan
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Abstract

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A parallel three-dimensional electrostatic particle-in-cell Monte Carlo Collision (PIC–MCC) code using an unstructured tetrahedral mesh is developed and validated in this paper. Poisson's equation is discretized by a nodal finite element method using a linear interpolation function. Charged-particle motion is traced cell by cell using a leap-frog method and the Boris scheme. Code is validated using quasi-one-dimensional radiofrequency gas discharge by observing the bi-Maxwellian electron energy probability distribution function at low pressure. Parallel performance of the PIC code is tested using a three-dimensional radiofrequency gas discharge on a PC-cluster system. Results show that parallel efficiency of 83% can be achieved at 32 processors with dynamic domain decomposition.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 6 , December 2006 , pp. 845 - 849
Copyright
2006 Cambridge University Press