Title :
Volume average demagnetizing tensor of rectangular prisms
Author :
Fukushima, Hiroshi ; Nakatani, Yoshinobu ; Hayashi, Nobuo
Author_Institution :
Univ. of Electro-Commun., Tokyo, Japan
fDate :
1/1/1998 12:00:00 AM
Abstract :
An exact analytic formula is presented for the magnetostatic field produced by a three-dimensional array of uniformly magnetized rectangular prisms. It is derived from the volume integration of a point-function demagnetizing tensor. The values of the point-function demagnetizing tensor at the centers of rectangular prisms of different aspect-ratios are compared with the volume averaged ones. This difference for the zz-component of demagnetizing tensors reaches 35% at its maximum when the aspect-ratio is 2
Keywords :
demagnetisation; magnetostatics; tensors; aspect ratio; computer simulation; magnetostatic field; micromagnetics; point function; rectangular prism; three-dimensional array; volume average demagnetizing tensor; volume integration; Computational modeling; Demagnetization; Equations; Magnetic analysis; Magnetic anisotropy; Magnetic fields; Magnetization; Magnetostatics; Perpendicular magnetic anisotropy; Tensile stress;
Journal_Title :
Magnetics, IEEE Transactions on
