The aim of this paper is to describe a novel method for losses computation in the surface mounted magnets of synchronous machines with non-overlapping concentrated windings. That method can be applied as well as in the case of non-jointed magnets than in the case of edge-to-edge magnets forming a continuous ring.
Baudart, F., Matagne, E., & Dehez, B. (2012). Rotor losses for PMS machines with concentrated windings. Rotor losses for PMS machines with concentrated windings. Published. Electrical Machines (ICEM), 2012 XXth International Conference on, Marseille. https://doi.org/10.1109/ICElMach.2012.6350292