Volume 55 (2023)
Volume 54 (2022)
Volume 53 (2021)
Volume 52 (2020)
Volume 51 (2019)
Volume 50 (2018)
Volume 49 (2017)
Volume 48 (2016)
Volume 47 (2016)
Volume 46 (2015)
Volume 45 (2014)
Volume 44 (2013)
Volume 43 (2009)
Volume 42 (2008)
Volume 41 (2007)
Solving a non-convex non-linear optimization problem constrained by fuzzy relational equations and Sugeno-Weber family of t-norms

Amin Ghodousian; A. Ahmadi; A. Dehghani

Volume 49, Issue 2 , December 2017, , Pages 63-101


  Sugeno-Weber family of t-norms and t-conorms is one of the most applied one in various fuzzy modelling problems. This family of t-norms and t-conorms was suggested by Weber for modeling intersection and union of fuzzy sets. Also, the t-conorms were suggested as addition rules by Sugeno for so-called  ...  Read More

تحلیل و بهینه‌سازی سازه‌های ساندویچی با هسته سینوسی

Mohammad Kazem Besharati Givi; Mehdi Ghasemi; Seyyed Mahmoud Mousavi Mashhadi

Volume 43, Issue 1 , April 2009, , Pages 11-20


  In this paper a special sandwich panel with a sinusoidal core under distributed load on upper and lower plates has been studied. By drawing free body diagrams, and using energy method and Castagiliano theory the forces and moments involved in the core has been determined. Then, the stresses, normal and ...  Read More

بهینه سازی تک معیاره و چند معیاره برج خنک کن خشک هلر در نیروگاه‌های سیکل ترکیبی با استفاده از الگوریتم ژنتیک

Hassan Shokouhmand; Mohammad Ali Nazari; Babak Ghaem Panah; Mohammad Reza Aligoodarzi

Volume 43, Issue 1 , April 2009, , Pages 111-124


  In this paper the effect of site conditions, which are Altitude, Temperature and Relative Humidity and also Heat Dissipation Capacity are investigated on the optimized design of natural draft dry cooling towers with specific kind of heat exchangers, known as Forgo T60 type. A genetic algorithm program ...  Read More

شناسایی سیستم و طراحی کنترل بهینه با استفاده از الگوریتم ژنتیک برای کنترل ارتعاشات یک بال هوشمند

Hossein Shahi; Aghil Yousefikoma; Ali Reza Mehrabian

Volume 42, Issue 1 , April 2008, , Pages 119-130


  A solution to the problem of identification and control of smart structures is presented in this paper. Smart structures with build-in sensors and actuators can actively and adaptively change their physical geometry and properties. As a particular example, a representative dynamic model of a typical ...  Read More

روشی مبتنی بر تئوری گراف جهت تعیین بهینه جزیره ها در فرآیند بازیابی

Hossein Afrakhteh; Mahmoud Reza Haghifam

Volume 41, Issue 5 , December 2007, , Pages 541-555


  In this paper, effect of the islands number variation in restoration process is investigated and a graph based method for determination of optimum islands boundaries is presented. Also, the effect of number and location of black-start units on the restoration process is evaluated. In optimization process, ...  Read More