Analysis of a Semi-Circulant Preconditioner for a High-Order Compact Approximation of a Convection-Diffusion Model Problem

被引：0

作者：

Boojhawon, R. ^{[1
]}

Tangman, Y. D. ^{[1
]}

Bhuruth, M. ^{[1
]}

Sunhaloo, M. S. ^{[2
]}

机构：

[1] Univ Mauritius, Fac Sci, Dept Math, Reduit, Mauritius

[2] Univ Technol, Sch Innovative Technol Engn, Dept Appl Math Sci, Maule, France

来源：

NUMERICAL ANALYSIS AND APPLIED MATHEMATICS, VOLS 1 AND 2 | 2009年 / 1168卷

关键词：

convection-diffusion equation; high-order compact scheme; semicirculant preconditioner; block-circulant preconditioner;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We present an analysis of a semi-circulant preconditioner for a high-order compact discretization of a two-dimensional convection-diffusion equation with grid-aligned flow. We show that the eigenvalues of the preconditioned matrix lie in two intervals on the left and right side of unity.

引用

页码：1170 / +

页数：2

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