A PRECONDITIONER FOR THREE-DIMENSIONAL DOMAIN DECOMPOSITION METHODS WITH LAGRANGE MULTIPLIERS

被引：0

作者：

HU Qiya LIANG Guoping(Academy of Mathematics and Systems Sciences

机构：

来源：

Journal of Systems Science & Complexity | 2003年 / 04期

关键词：

Domain decomposition; non-matching grids; Lagrange multipliers; preconditioner; condition number;

D O I：

暂无

中图分类号：

O174.21 [正交级数（傅里叶级数）];

学科分类号：

070104 ;

摘要：

In this paper we consider domain decomposition methods forthree-dimensionalelliptic problems with Lagrange multipliers, and construct a kind of simple preconditionerfor the corresponding interface equation. It will be shown that condition number of theresulting preconditioned interface matrix is almost optimal.

引用

页码：513 / 526

页数：14

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