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Magnetic Materials and 3D Finite Element Modeling by Nelson Sadowski, João A. Bastos

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1 Statics and Quasistatics EIectromagnetics Brief Presentation

1.1 INTRODUCTION

In this chapter a brief presentation of Maxwell’s equations is proposed, assuming that the bases of electromagnetics (EM) are already known. The main idea here is to recall the principal concepts necessary to the work developed afterward. Besides, it is interesting to define and establish the notation of the main physical quantities that will be used in the following chapters.

EM can be described by the equations of Maxwell and the constitutive relations. The theory of EM took a long time to be established, and it can be understood by the fact that the EM quantities are “abstract” or, in other words, cannot be “seen” or “touched” (contrarily to most others, such ...

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