(Author: J. F. Caseiro, P. Alberto) Technological Center for Mouldmaking Special Tooling and Plastic Industries (CENTIMFE), Marinha-Grande, PortugalLaboratory for Advanced Computing – University of Coimbra, Coimbra, Portugal Description/Scientific objectives and goals: With the evolution of vehicular motorization, and in particular the use of electric motors, the noise related to the working engine has been significantly reduced.…