Ph. D. student at the University of Trento Address: Dipartimento di Ingegneria Meccanica e Strutturale University of Trento via Mesiano, 77 I-38050 Trento (Italy) Room: Tel: Fax: E-mail: 245, Structural Mech. Lab. +39 0461882528/25 +39 0461882599 giulia.franceschini@ing.unitn.it