List of Articles Open Access Article Abstract Page Full-Text 1 - Analytical study of a jointless mechanism for magnifying the displacement of a piezoelectric actuator Ammirreza Asgari Abdorrahim Asgari Open Access Article Abstract Page Full-Text 2 - Optimization of two dimensional structures, using minimum growth ground method with floating nodes Ali Ghoddosian Saber Meskar Jahan abad Open Access Article Abstract Page Full-Text 3 - The study of the vibration of the floating structure due to the excitation of the propeller using numerical analysis of fluid-structure (FSI) Mahdiesadat Azizai Yousef Amirian Abdolhossein Fereidoon Open Access Article Abstract Page Full-Text 4 - Mathematical analysis of the safety system, sensitive to impact loading using Laplace technique Davood Kalantari Mohsen Mahdiani Open Access Article Abstract Page Full-Text 5 - CNC milling stability prediction method hallways full third order discretization Salman Paknazar Mohammad Jafar Ostad Ahmad Ghorabi Open Access Article Abstract Page Full-Text 6 - Experimental and numerical simulation investigation of energy absorption on polyurethane foam-filled external grooved tubes Mohsen Abdous Mohamad Javad Rezvani Open Access Article Abstract Page Full-Text 7 - Dynamic Analysis of Speed Bump and Humps Effects on Comfort of Pride Automobile Passengers with a Quarter Car Model and Their Design Optimization Hamed Ghorbanian Ehsan Jamshidi Mohammad Reza Ashory