List of Articles Open Access Article Abstract Page Full-Text 1 - The effect of rounds of the Friction Stir Welding tool (FSW) in determining of fatigue life of T6-7075 aluminum alloy Mohamad Jafar Ostad Ahmad Ghorabi Reza Samieifard Open Access Article Abstract Page Full-Text 2 - Optimal Solar Power Station Site Selection Using the Analytical Hierarchy Process (AHP) in Iran Pedram Ahadi Farbod Fakhrabadi Alireza Pourshaghaghi Farshad Kowsari Open Access Article Abstract Page Full-Text 3 - Numerical simulation of smoke behavior in fire conditions in a short urban tunnel Mehdi Rafiei Open Access Article Abstract Page Full-Text 4 - Improved SVM for Multi-class Classification by fuzzy game theory Samaneh Ghods Open Access Article Abstract Page Full-Text 5 - Optimum Technical Design of a Grid-Connected Photovoltaic System Solar Power Plant in Iran (Case study: Qazvin city) Pedram Ahadi Farbod Fakhrabadi Alireza Pourshaghaghi Farshad Kowsari Open Access Article Abstract Page Full-Text 6 - An overview of microcapsules of phase change materials, properties, preparation and applications Goli Khosravi Hashemi Hadi Kargarsharifabad