Fehmi NAJAR, Ph.D., is Assistant Professor of Mechanical Engineering at the University of Tunis El-Manar and the Tunisia Polytechnic School. He received an Engineering Diploma in Mechanical Engineering from the National Engineering School of Tunis in 1997, and an M.S. in Structural Dynamics from the Ecole Centrale de Paris in 1998. After graduation, he worked as Technical Manager in the Graphic Art industry for a period of 6 years. He obtained his PhD in Mechanical Engineering from the National Engineering School of Tunis in 2008. He is currently Assistant professor at El Manar Preparatory Institute for Engineering Studies, University of Tunis El Manar and Assistant Professor at Tunisia Polytechnic School, University of 7th November at Carthage. His research interests include MEMS and NEMS, structural dynamics, smart materials, energy harvesting, structural health monitoring, and multi-body dynamics.

A. Abdelkefi, Fehmi NAJAR, A. H. Nayfeh, S Ben Ayed, (2011) An energy harvester using piezoelectric cantilever beams undergoing coupled bending-torsion vibrations. In: Smart Materials and Structures, vol. 20, p. 115007.