A master’s thesis discussion was carried out in the department of mechanical engineering/Faculty of Engineering/University of Kufa. The thesis was submitted by the master student (Hussam Raad Hassan) and its topic is entitled “A study of vibration characteristics of sandwich plates with reinforced foam core”, which was supervised by Prof. Dr. Muhannad Lafteh Al-Waeli. This study focused on the free vibration behavior of sandwich panels with reinforced foam. The study included theoretical and numerical solutions in addition to an experimental part.