Constitution of an Approximate Equation of Demagnetizing Factors for Cylinder Using Multiple Regression Analysis

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Abstract

An approximate equation is constituted for a cylinder as a function of the aspect ratio of its length to diameter and its normalized axial position. In order to create reference points for the approximate equation, the demagnetizing factor distribution of the cylinder, which has several ratios in a uniform applied field, is computed using a finite element method. From the results of the computations, an approximate equation at an arbitrary Z value along the axial direction of the cylinder is constituted from a multiple regression analysis.

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Journal of the Japan Society of Applied Electromagnetics and Mechanics. 17(3):449-452 (2009)

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