SIMULATION-BASED PRODUCT DEVELOPMENT COMPARING 3D MOTOR DESIGNS EXTRUDED 2D Relatively simple 3D model. Minimal hardware requirements. Very close agreement with 2D models. Helps investigate and validate the basics of 3D modeling. SYMMETRIC 3D Assumes symmetry at the axis midpoint. (Front and back are solved sequentially.) Moderate hardware requirements. Effective method for investigating the end effects and several skew configurations. FULL-LENGTH 3D Assumes sector symmetry only. Moderate to substantial hardware requirements. More suitable for complicated skew designs (combined rotor-stator skew) and fully coupled multiphysics phenomena that may break the symmetry. Supports a wide range of configurations to calibrate 2D models. 34a COMSOL NEWS