1. School of Design, Management and Production Technologies; University of Aveiro; Estrada do Cercal 449 3720-509 Santiago de Riba-Ul Portugal
2. CICECO, University of Aveiro; Campus Universitário de Santiago; 3810-193 Aveiro Portugal
3. Mechanical Engineering Department, University of Aveiro; Campus Universitário de Santiago; 3810-193 Aveiro Portugal