Multifrontal incomplete factorization for indefinite and complex symmetric systems

被引：4

作者：

Qu, Y

Fish, J

机构：

[1] Rensselaer Polytech Inst, Dept Civil Engn, Troy, NY 12180 USA

[2] Rensselaer Polytech Inst, Dept Engn Mech, Troy, NY 12180 USA

[3] Rensselaer Polytech Inst, Dept Aerosp Engn, Troy, NY 12180 USA

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 2002年 / 53卷 / 06期

关键词：

multifrontal; incomplete factorization; indefinite; complex; adaptive;

D O I：

10.1002/nme.344

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new class of preconditioners based on the adaptive threshold incomplete multifrontal factorization for indefinite and complex symmetric systems is developed. Numerical experiments consisting of the 3D Helmholtz equations, fluid-structure interaction and localization problems demonstrate the excellent performance of the preconditioner. Copyright (C) 2001 John Wiley Sons, Ltd.

引用

页码：1433 / 1459

页数：27

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