1. Department of Mechanical Engineering Federal University of Pampa Av. Tiaraju 810 Alegrete CEP 97546-550 Brazil
2. Department of Engineering & Architecture University of Parma Parco Area delle Scienze 181/A 43124 Parma Italy
3. Mechanical Post-Graduate Program Federal University of Rio Grande do Sul Sarmento Leite 425 Porto Alegre CEP 90050-170 Brazil
4. DICeM Università di Cassino e del Lazio Meridionale Via G. Di Biasio, 43 03043 Cassino FR Italy