1. Technologist, Laboratory of Systems and Applied Mechanics, École Polytechnique de Tunisie, La Marsa, 2078, Tunisia.
2. Associate Professor, Micro-Electro-Thermal Systems Research Unit, National Engineering School of Sfax, Sfax, 3018, Tunisia (corresponding author).
3. Distinguished Professor, Dept. of Engineering Science and Mechanics, Virginia Tech, Blacksburg, VA 24061.