List of Articles Open Access Article Abstract Page Full-Text 1 - Developing the Aeroelastic model of a Composite Wind Turbine Blade and Analyzing the Effects of Rotation and Length Increase on Natural Frequencies Reza Esbati Lavasani shahrokh shams Open Access Article Abstract Page Full-Text 2 - Numerical, Experimental and Analytical Investigation of Penetration Depth of a rigid blunt projectile on the steel targets mohammad farahmand khodadad vahedi alireza Naddaf Oskouei‏ ‏ rouholah hoseini Open Access Article Abstract Page Full-Text 3 - Optimization of drilling fluid effectiveness based on fluid mechanics in well drilling process of one of the squares in the southwest of Iran maryam sadat ghavami kuros nekufar Seyed Arash Seyed Shams Taleghani maryam sadat ghavami Open Access Article Abstract Page Full-Text 4 - Investigating the effect of magnetic field, slope variations and wall temperature boundary conditions on the natural convection in the cavity with obstacle filled with water mohammad nemati mohammad sefid ahmad reza rahmati Open Access Article Abstract Page Full-Text 5 - Multi-rotor intelligent control and navigation with adaptive fuzzy method Mohsen Ashourian Behnam Safari Hasan Abadi Open Access Article Abstract Page Full-Text 6 - Experimental Condition Monitoring of Unbalanced Rotary Shaft Based on ANFIS by Using Piezoelectric Sensor Mojtaba Hasanlu