An improved analytical hysteresis model and its implementation in magnetic recording modeling by the finite element method

Author

Cortial, F. ; Ossart, F. ; Albertini, J.B. ; Aïd, M.

Author_Institution

CEA, Centre d´´Etudes Nucleaires de Grenoble, France

Volume

33

Issue

2

fYear

1997

fDate

3/1/1997 12:00:00 AM

Firstpage

1592

Lastpage

1595

Abstract

An improved finite element modeling of the magnetic recording writing process is presented, It is based on a new analytical scalar hysteresis model and on the use of a modified fixed-point method to insure fast and unconditional convergence of this highly nonlinear computation. The results of the hysteresis model show an accurate description of major loop and closed minor loops, as experimentally observed. The simulation of the behavior of a planar head writing on a thin film disk also closely agrees with experimental data

Keywords

finite element analysis; magnetic disc storage; magnetic hysteresis; magnetic recording; magnetic thin films; analytical hysteresis model; closed minor loops; finite element method; magnetic recording modeling; magnetic recording writing process; major loop; modified fixed-point method; nonlinear computation; planar head writing; scalar hysteresis model; thin film disk; Analytical models; Computational modeling; Convergence; Finite element methods; Magnetic analysis; Magnetic heads; Magnetic hysteresis; Magnetic recording; Transistors; Writing;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.582571

Filename

582571