Preconditioning techniques for the conjugate gradient solver on a parallel distributed memory computer

被引:28
|
作者
Vollaire, C [1 ]
Nicolas, L [1 ]
机构
[1] Ecole Cent Lyon, CEGELY, UPRESA CNRS 5005, F-69131 Ecully, France
关键词
finite element methods; parallel algorithms; distributed memory systems; sparse matrices;
D O I
10.1109/20.717787
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper describes the parallelization of the conjugate gradient algorithm fitted with three types of preconditioning in order to compute large finite element complex sparse system of equations on a distributed memory parallel computer. Parallel performances are analyzed and compared using a problem of 60000 degrees of freedom. The electromagnetic scattering of a plane wave by a perfect electric conducting airplane is finally given as a large example.
引用
收藏
页码:3347 / 3350
页数:4
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