1. FEUP, Faculty of EngineeringUniversity of Porto Dr. Roberto Frias Street 4200‐465 Porto Portugal
2. INEGIInstitute of Science and Innovation in Mechanical and Industrial Engineering Dr. Roberto Frias Street, 400 4200‐465 Porto Portugal
3. Mechanical Engineering Department, School of EngineeringISEP Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 431 4249‐015 Porto Portugal