This paper presents one of the embedding methods for a genetic algorithm (GA) in the three-dimensional finite element method (3-D FEM). We use a shell script to automate the preprocesses of the 3-D FEM and to perform the genetic operation for the GA. In this paper, a surface permanent-magnet synchronous motor (SPMSM) was selected as a simple model for optimizing the shape. The capability of this method was confirmed by decreasing the cogging torque. Moreover, the evaluation of GA was performed by distributing the analytical model to several PCs for parallel processing, and the computing time was thus shortened.
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