List of Articles Open Access Article Abstract Page Full-Text 1 - The Influence of Plasma Nitriding Time on Mechanical Properties of Plasma Nitriding steel seyed mohammad shafiei Hamed Raeisifard sara sadat Tejareh Open Access Article Abstract Page Full-Text 2 - Nonlinear buckling analysis of different types of porous FG cylindrical sandwich shells Mohsen Rahmani Yones Mohammadi Mahdi Abtahi Open Access Article Abstract Page Full-Text 3 - Designing and manufacturing medical insoles with flexi material using sole scanning and SolidWorks software and force analysis using OpenSim software Mohammad Mahdi Giahi Mohammadsadegh Karimzade Alireza Golchin Open Access Article Abstract Page Full-Text 4 - Study of the effect of chloride diffusion coefficient in concrete using neural network models Ali Delnavaz ali osat akbari moghaddam Open Access Article Abstract Page Full-Text 5 - The method of numerical analysis of the behavior of drained sands in monotonic loading Farzad Peyman