A NEW FINITE-ELEMENT METHOD IN MICROMAGNETICS

被引:33
作者
CHEN, WJ
FREDKIN, DR
KOEHLER, TR
机构
[1] UNIV CALIF SAN DIEGO,DEPT PHYS,LA JOLLA,CA 92093
[2] IBM CORP,DIV RES,ALMADEN RES CTR,SAN JOSE,CA 95120
基金
美国国家科学基金会;
关键词
D O I
10.1109/20.221033
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present a new finite element method in micromagnetics. The magnetization is linearly interpolated within each tetrahedral element and the magnetostatic interaction is accurately obtained by integration. The equilibrium magnetizations at the nodal points can be found by minimizing the total energy of the system. Two different minimization schemes are compared.
引用
收藏
页码:2124 / 2128
页数:5
相关论文
共 11 条
[1]   MICROMAGNETIC STUDIES OF INTERACTING PERMALLOY PARTICLES [J].
CHEN, WJ ;
FREDKIN, DR ;
KOEHLER, TR .
IEEE TRANSACTIONS ON MAGNETICS, 1992, 28 (05) :3168-3170
[2]  
CHEN WJ, 1992, DEC MAGN MAGN MAT C
[3]  
Collie C. J., 1976, P COMPUMAG 76 OXFORD, P86
[4]   MAGNETIZATION REVERSAL IN PERMALLOY PARTICLES - MICROMAGNETIC COMPUTATIONS [J].
FREDKIN, DR ;
KOEHLER, TR ;
SMYTH, JF ;
SCHULTZ, S .
JOURNAL OF APPLIED PHYSICS, 1991, 69 (08) :5276-5278
[5]   HYBRID METHOD FOR COMPUTING DEMAGNETIZING FIELDS [J].
FREDKIN, DR ;
KOEHLER, TR .
IEEE TRANSACTIONS ON MAGNETICS, 1990, 26 (02) :415-417
[6]   ABINITIO MICROMAGNETIC CALCULATIONS FOR PARTICLES (INVITED) [J].
FREDKIN, DR ;
KOEHLER, TR .
JOURNAL OF APPLIED PHYSICS, 1990, 67 (09) :5544-5548
[7]  
Gill P. E., 1981, PRACTICAL OPTIMIZATI
[8]   NUMERICAL-INTEGRATION ON A TRIANGLE [J].
HILLION, P .
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 1977, 11 (05) :797-815
[9]  
Hillion P., 1981, Calcolo, V18, P117, DOI 10.1007/BF02576492
[10]  
SCHABES ME, 1988, J APPL PHYS, V64, P1349