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Thin layers in electrical engineering-example of shell models in analysing eddy-currents by boundary and finite element methods

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2 Author(s)
Krahenbuhl, L. ; CEGELY, Ecole Centrale de Lyon, Ecully, France ; Muller, D.

The authors propose a didactical approach to thin regions in electromagnetics and, as an example, derive the boundary conditions and surface equation for eddy currents flowing inside a thin ferromagnetic shell. The numerical tests are done using the boundary-element-method (BEM) software package PH13-D, but the results could easily be transposed in a finite-element-method (FEM) context. The practical applications my concern the computation of losses (shield of electrical machines or transformers) or low-frequency electromagnetic perturbations (screen effects, electromagnetic compatibility) as well as special applications such as the optimization of the induction heating of pans

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Magnetics, IEEE Transactions on  (Volume:29 ,  Issue: 2 )