Hello Ebenezer,
The reasons for difference in Maxwell 2D and 3D results comes becaouse of the following reason.
1) In Maxwell2D the default results are computed considring 1meter length. Make sure that the length of the motor is specified in the Design setting.
2) If the stator and rotor are of differnet axial length . In Maxwell 2D inorder to account for the differnt lengths the BH curve is modified, if this is not considered the 2D result can vary from3D simulation.
3) Difference in mesh
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