Nonlinear Diffusion of Electromagnetic Fields

1st Edition

With Applications to Eddy Currents and Superconductivity

Hardcover ISBN: 9780124808706
eBook ISBN: 9780080537696
Imprint: Academic Press
Published Date: 15th April 1998
Page Count: 412
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Table of Contents

Diffusion of Electromagnetic Fields in Magnetically Nonlinear Conducting Media (Linear Polarization). Diffusion of Electromagnetic Fields in Magnetically Nonlinear Conducting Media (Vector Polarization). Nonlinear Diffusion ofWeak Magnetic Fields. Nonlinear Diffusion in Superconductors. Nonlinear Impedance Boundary Conditions and Their Application to the Solution of Eddy Current Problems. Subject Index.


Nonlinear Diffusion of Electromagnetic Fields covers applications of the phenomena of non-linear diffusion of electromagnetic fields, such as magnetic recording, electromagnetic shielding and non-destructive testing, development of CAD software, and the design of magnetic components in electrical machinery. The material presented has direct applications to the analysis of eddy currents in magnetically nonlinear and hysteretic conductors and to the study of magnetization processes in electrically nonlinear superconductors. This book will provide very valuable technical and scientific information to a broad audience of engineers and researchers who are involved in these diverse areas.

Key Features

@introbul:Key Features @bul:* Contains extensive use of analytical techniques for the solution of nonlinear problems of electromagnetic field diffusion

  • Simple analytical formulas for surface impedances of nonlinear and hysteretic media
  • Analysis of nonlinear diffusion for linear, circular and elliptical polarizations of electromagnetic fields
  • Novel and extensive analysis of eddy current losses in steel laminations for unidirectional and rotating magnetic fields
  • Preisach approach to the modeling of eddy current hysteresis and superconducting hysteresis
  • Extensive study of nonlinear diffusion in superconductors with gradual resistive transitions (scalar and vertorial problems)


Researchers and graduate students in the electrical engineering and magnetic community, and practitioners in related industries.


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© Academic Press 1998
Academic Press
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