Abstract
This paper presents a method for optimizing the shape of the interface between ferromagnetic materials and air in eddy current systems through a continuum sensitivity analysis and level-set method. The continuum sensitivity formula of the eddy current system is obtained as the surface integral form in terms of the velocity field. The shape evolution of the material interface is represented by solving the level-set equation coupled with the common velocity term in the continuum sensitivity formula. The optimization method is validated by shape design examples.
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