A Robin-Robin preconditioner for an advection-diffusion problem

被引：14
|
作者：
Achdou, Y
Nataf, F
机构：
[1] INSA Rennes, Rennes, France
[2] Ecole Polytech, CMAP, CNRS, URA 756, F-91128 Palaiseau, France
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE | 1997年 / 325卷 / 11期
关键词：
D O I：
10.1016/S0764-4442(97)83556-2
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The Neumann-Neumann method is used as a preconditioner in domain decomposition methods applied to symmetric problems. We generalize it to the case of nonsymmetric operators. The new preconditioner is based on solving boundary value problems with Robin boundary conditions. Its derivation at the continuous and discrete levels are given. Numerical results are shown for both conforming and nonconforming grids (mortar method).
引用
收藏
页码：1211 / 1216
页数：6
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