Fast solver for the Maxwell quasistatic equations: block-Toeplitz matrix. Application to micromagnetism

被引：7

作者：

Labbe, S

Leca, P

机构：

[1] Off Natl Etud & Rech Aerosp, F-92322 Chatillon, France

[2] Univ Paris 13, LAGA, F-93430 Villetaneuse, France

[3] Univ Paris 06, LAN, F-75252 Paris, France

来源：

COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE I-MATHEMATIQUE | 1998年 / 327卷 / 04期

关键词：

D O I：

10.1016/S0764-4442(99)80059-7

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In order to model ferromagnetic materials in the field of hyperfrequencies, the magnetostatic equations are coupled with the Landau-Lifshitz evolution system (micromagnetism [1]). The demagnetisation term (magnetostatic) involves the whole space domain, making dynamic simulation very expensive, especially when key phenomena such as wall migrations, domain formation are studied requiring very large systems. To solve this problem, a new method to integrate the magnetostatic equations is proposed based upon the block-Toeplitz matrix (see [4]) structure of the discretized equations in the case of regular cubic meshes. (C) Academie des Sciences/Elsevier, Paris

引用

页码：415 / 420

页数：6