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电推力器中复杂电场求解的超松弛并行算法

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2017-09-24

Journal: 中国空间科学技术

Included Journals: Scopus、CSCD

Volume: 37

Issue: 5

Page Number: 68-74

ISSN: 1000-758X

Key Words: 电推力器;泊松方程;超松弛迭代;并行算法

Abstract: 目前,电推力器中复杂电场的三维泊松方程求解仍存在速度偏慢、并行性欠佳等缺陷.通过分解三维求解区域,针对复杂电场提出一种超松弛并行(P-SOR)迭代算法.将求解区域划分为多个子块,利用超松弛迭代格式构造出若干分组显式格式,分别给出不同迭代步数下的求解方程以进行并行计算.通过数值模拟,计算时间至少缩短一半以上,该P-SOR方法较传统迭代格式在快速性方面取得较大进展,对电推进领域的数值仿真研究起到促进作用.

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