Presentation by Luigi Rizzi, Technical Director at SPIN Applicazioni Magnetiche.

The car industry is undergoing an unprecedented shift, between electrification, car sharing and autonomous drive. Car makers are going to roll out several zero-emission models in the next few years and their engineering departments are going to face new challenges. Engineering methodologies and good-design practices related to the well-known internal combustion engine must be reviewed and adapted to the electric propulsion system, considering multi-physic analyses in order to cover the various aspects of the vehicle performance. In this presentation a fast and reliable solution for the design of electric motors is shown.

A powerful software interface has been prepared in order to help the engineers to setup the model, define targets and boundary conditions, include multi-disciplinary verifications and collect analyses results. Using this tool, designers can easily and quickly perform electromagnetic analysis with the Altair software for electromagnetics, Flux, verify the performance in terms of delivered power, torque, losses and efficiency, check the thermal behaviour by means of equivalent thermal networks built in Activate and at the same time verify the stress levels and the NVH performance with OptiStruct, in order to define the early stage details of the product development. Activate plays a key role to speed-up the analysis because allows to obtain fast and accurate thermal information reducing the time usually required to simulate this domain.