Farzad Ebrahimi is an associate professor in the Department of Mechanical Engineering, Imam Khomeini International University, Qazvin, Iran. His research interests include mechanics of nanostructures, smart materials and structures, viscoelasticity, functionally graded materials (FGMs) and continuum plate and shell theories. He has published more than 270 international research papers. He is also the author of 2 books about smart materials and has edited 3 books for international publishers. Ali Dabbagh is studying his MSc in the School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran. His research interests include solid mechanics, smart materials, composites, functionally graded materials (FGMs) and nano-structures. He has published 21 international papers in his research area.