作者: Alireza Ahmadi

Alireza Ahmadi took his master of science degree in the field of mechanical engineering (energy conversion) from Azad University of Sari and is greatly familiar with nonlinear phenomena. Also, he is an expert in solar systems, especially in the production of solar water-heating systems. Moreover, he is experienced in nanomaterials. Mohammadreza Akbari graduated from Tehran University in the field of chemical engineering. Also, he has a master of science degree in civil engineering. He published nine books in various fields like engineering mathematics, strength of materials, fluid mechanics, hydraulics, and advanced mathematics in Iranian publications. Davood Domairry Ganji is a full professor in the department of mechanical engineering at the Noshirvani-Babol University of Technology, Iran. He published more than twelve books in different publications such as Elsevier, Springer, Cambridge, etc. He also published more than five hundred papers in international journals and is the editor in chief of the International Journal of Nonlinear Dynamics in Engineering and Sciences (IJNDES) and the editor of the two following journals: International Journal of Nonlinear Sciences and Numerical Simulation (IJNSNS) and International Journal of Differential Equations (Scientist in the Field of Engineering, http://sciencewatch.com/dr/ne/08decne/).