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Discretized Multisplitting AOR Waveform Relaxation Algorithms for Initial Value Problem of Systems of ODEs

Discretized Multisplitting AOR Waveform Relaxation Algorithms for Initial Value Problem of Systems of ODEs
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摘要 The multisplitting algorithm for solving large systems of ordinary differential equations on parallel computers was introduced by Jeltsch and Pohl in [1]. On fixed time intervals conver gence results could be derived if the subsystems are solving exactly.Firstly,in theis paper,we deal with an extension of the waveform relaxation algorithm by us ing multisplittin AOR method based on an overlapping block decomposition. We restricted our selves to equidistant timepoints and dealed with the case that an implicit integration method was used to solve the subsystems numerically in parallel. Then we have proved convergence of multi splitting AOR waveform relaxation algorithm on a fixed window containing a finite number of timepoints.
机构地区 Department of
出处 《Chinese Quarterly Journal of Mathematics》 CSCD 1997年第4期27-35, ,共9页 数学季刊(英文版)
关键词 systems of ordinary differential equations initial value problems multisplitting algorithm AOR method waveform relaxation algorithm 常微分方程组 初值问题 离散多分裂AOR波形松弛
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参考文献4

  • 1Gu Tongxiang,应用数学,1995年,8卷,3期,349页
  • 2Gu Tongxiang,Domain Decomposition Methods in Science and Engineering,1995年
  • 3Wang Deren,Lin Alg Appl,1991年,154/156卷,473页
  • 4袁光鼎,刚性常微分方程初值问题的数值解法,1987年

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