1. Groupe de Mécanique, Matériaux et Acoustique, B.P. 454, Département de Physique, Faculté des Sciences, Université de Ngaoundéré, Ngaoundéré, Cameroun
2. Research Center STIS, Team M2CS, Department of Applied Mathematics and Informatics, ENSAM, Mohammed V University in Rabat, Rabat, Morocco
3. Department of Mechanical Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia