Parametric models for representing hysteresis curves

S. Mandayam, L. Udpa, S. S. Udpa

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Abstract

In this paper, a novel method for modeling the B-H characteristics of ferromagnetic materials is discussed. The method finds application in numerical finite element models for computing the leakage fields in magnetostatic nondestructive testing. The method is computationally simple and employs a neural network approach using Radial Basis Functions for representing the hysteresis loop as a closed curve and expands a periodic contour function in a Fourier series. The second technique, though parsimonious in terms of data storage requirements, is computationally more intensive.

Original languageEnglish (US)
Pages (from-to)235-245
Number of pages11
JournalNondestructive Testing and Evaluation
Volume11
Issue number4
DOIs
StatePublished - Aug 1 1994

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Physics and Astronomy(all)

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