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This paper presents a model for the simulation of dynamic behaviours of a coupled magneto‐mechanical system. The magnetic equation is solved with the help of the finite element method. The local magnetic material saturation is considered. The moving band technique is used for accounting the movement. The magnetic torque of permanent magnet synchronous machine is calculated from the field solution according to virtual work principle and then introduced in the mechanical motion equation to calculate the shaft position. The complete differential equation system is solved with an iterative procedure.

Gives introductory remarks about chapter 1 of this group of 31 papers, from ISEF 1999 Proceedings, in the methodologies for field analysis, in the electromagnetic community. Observes that computer package implementation theory contributes to clarification. Discusses the areas covered by some of the papers ‐ such as artificial intelligence using fuzzy logic. Includes applications such as permanent magnets and looks at eddy current problems. States the finite element method is currently the most popular method used for field computation. Closes by pointing out the amalgam of topics.