Calculation of magnetic fields for engineering devices

This paper deals with the methodology of magnet technology and its application to various engineering devices. Magnet technology has experienced a rapid growth in the past few years as a result of the advances made in superconductivity, numerical methods and computational techniques. Specifically, this paper concerns itself with: (a) Mathematical models for solving magnetic field problems; (b) The applicability, usefulness, and limitations of computer programs that utilize these models; (c) Examples of application in various engineering disciplines; (d) Areas where further contributions are needed. The author hopes that this paper will facilitate the communication of information between scientists and engineers, and the exchange of new ideas.