计算物理 ›› 1992, Vol. 9 ›› Issue (3): 250-256.

• 论文 • 上一篇    下一篇

求解隐式差分方程的并行算法

张宝琳, 苏秀敏   

  1. 北京应用物理与计算数学研究所, 北京8009信箱, 100088
  • 收稿日期:1991-06-23 修回日期:1992-03-23 出版日期:1992-09-25 发布日期:1992-09-25
  • 基金资助:
    国家自然科学基金

PARALLEL ALGORITHMS FOR SOLVING THE IMPLICIT DIFFERENCE EQUATIONS

Zhang Baolin, Su Xiumin   

  1. Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, 100088, China
  • Received:1991-06-23 Revised:1992-03-23 Online:1992-09-25 Published:1992-09-25

摘要: 本文研究了求解隐式差分方程的并行算法,其基本想法是把差分方程组化为若干个子方程组来求解,文中给出了直接法和迭代法,证明了迭代法的收敛性。为了说明分段隐式迭代方法的有效性,文中针对扩散方程的具体例子给出了数值试验计算结果。

关键词: 隐式差分方程, 并行算法, 分段隐式迭代

Abstract: The parallel algorithms for solving the implicit difference equations have been studied in the paper. The basic idea is to divide the system of difference equations into a set of subsystems which can be solved in parallel. The direct method and iterative method are given and the convergence theorem on the iteration is proved. To show the efficiency of the segment implicit iteration, the papper gives the numerical experiment for an example of the diffusion equation.

Key words: implicit difference equation, parallel algorithm, segment implicit iteration