List of Articles structure Open Access Article Abstract Page Full-Text 1 - Design of Optimum Active Layer Thickness in Double Heterostructure Broad Area Ga As/Al_x Ga_(1-x) As Laser Diodes mohammad salmani yengejeh nasser moslehi milani Open Access Article Abstract Page Full-Text 2 - Design and optimization of dc brushless permanent magnet motor Hassan hatamlu Zahra hatamlu ramin borjali navesi Open Access Article Abstract Page Full-Text 3 - Evaluate The Behavior of PIN infrared detector via COMSOL software sevda qaribzadeh Majid ghandchi Open Access Article Abstract Page Full-Text 4 - An review of the impact of modern architectural factors on Mainframes and Blockchain mojtaba abbaspour Open Access Article Abstract Page Full-Text 5 - Sliding Mode Control for Single-degree-of-freedom Nonlinear Structures leila fatemi Open Access Article Abstract Page Full-Text 6 - Crack Detection of Fixed-Simply Supported Euler Bernoulli Beam Using Elman Networks Siamak Ghadimi Seyed Sina Kourehli Open Access Article Abstract Page Full-Text 7 - Designing vibrating mode controllers for first degree freedom nonlinear structures Leila Fatemi Open Access Article Abstract Page Full-Text 8 - Vibration Attenuation of Nonlinear Hysteretic Structures with Fully Unknown Parameters Saheleh Khodabakhshi Mahdi Baradaran-nia