Results 41 to 50 of about 6,137 (56)

Consequence modeling for chlorine release of a storage tank with the field experiment data [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
Chlorine and its compounds are widely used in industries and they are needed to produce lots of materials. This element that is abundant in the Earth’s crust and oceans, the powerful, corrosive substance is considered essential to an array of products.
Mehdi Parvini, Elmira Gharagouzlou
doaj   +1 more source

Optimal design in honeycomb sandwich panels under the pressure load with ICA method [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
ساختار پانل‌های لانه زنبوری متشکل از سلولهای شش ضلعی میان تهی است که دیوار آنها بر خلاف سایر پانل‌های ساندویچی، عمود بر صفحات پوسته قرار می‌گیرد و طراحی آنها اغلب بر مبنای وزن کمینه انجام می‌شود. در این مقاله، ابعاد هسته لانه زنبوری به گونه‌ای محاسبه شده
abdolhossein fereydoon   +1 more
doaj   +1 more source

MECHANICAL BUCKLING ANALYSIS OF FUNCTIONALLY GRADED THICK CYLINDRICAL SHELLS USING THIRD ORDER SHEAR DEFORMATION THEORY [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
In this paper, buckling analysis of thick cylindrical shells using the third order shear deformation theory is carried out. The governing differential stability equations are obtained based on the second Piola-Kirchhoff tensor and are integrated across ...
Reza Akbari Alashti, Seysd Ali Ahmadi
doaj   +1 more source

FE ANALYSIS OF UNDERGROUND DAM AND IMPORTANT POINTS IN UNDERGROUND DAM-A CASE STUDY, ABKHORI UNDERGROUND DAM [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
مدیریت منابع آب در کشور های کم آب از جمله ایران از موارد اجتناب ناپذیر است. یکی از راههای موثر مدیریت منابع آب احداث سد های زیرزمینی است. سد های زیرزمینی به منظور ذخیره و کنترل آب زیرزمینی طراحی و احداث می شوند تا آب قابل شرب در دسترس قرار گیرد. از محاسن
mohammad hajiazizi   +2 more
doaj   +1 more source

A COMPARATIVE ANALYSIS OF ARTIFICIAL BEE COLONY AND PARTICLE SWARM OPTIMIZATION SWARM INTELLIGENCE ALGORITHMS IN DESIGN A FRACTIONAL FUZZY PID CONTROLLER AND IMPLEMENTATION ON DC MOTOR [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
In this article, has been studied implementation of fractional fuzzy PID controller on a DC motor. A fractional fuzzy PID controller is a conventional PID controller that includes two non-integer derivative and integral parameters (λ,µ) in addition to ...
rohollah Maghsoudi   +2 more
doaj   +1 more source

APPROXIMATE EIGENVALUE OF PLATE BY ARTIFICIAL NEURAL NETWORKS [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
The general goal of this paper is to determine natural frequency of a plate by artificial neural network with various supporting conditions. One of the most famous training of neural network is back propagation algorithm.
Ali Heidari   +2 more
doaj   +1 more source

A NOVEL MODEL FOR DECISION–MAKING ON OPEC PRODUCTION LEVEL BASED ON OIL PRICE PREDICTION AND GAME THEORY [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
In this paper, a novel hybrid model based on neural network and Game Theory is proposed to support the analyzers in oil market. In this model, first the neural network is utilized to learn the oil prices associated with OPEC production level and USA ...
ehsan Lotfi, hamidreza Navidi
doaj   +1 more source

THE INFLUENCE OF GRAVITY ON A MICROFLUIDIC MIXED CONVECTION BY APPLYING LATTICE BOLTZMANN METHOD [PDF]

open access: yesمجله مدل سازی در مهندسی, 2014
In this article the effects of gravity on the mixed convection of a microflow is studied numerically by using lattice Boltzmann method (LBM). To do this, the hydrodynamic boundary condition equations should also be modified.
arash Karimipour   +2 more
doaj   +1 more source

CORRECTION OF MASS-LOADING EFFECTS OF ACCELEROMETERS ON THE MEASURED FRFs USING OPTIMIZED MASS CHANGE ALGORITHM [PDF]

open access: yesمجله مدل سازی در مهندسی, 2012
Modal testing is a developing expertise in the field of structural dynamics. However, in practice the models that are produced by modal testing procedure face different errors. One of the sources of error is mass-loading effects of accelerometers.
عباس Taleshi Anbouhi   +3 more
doaj   +1 more source

FLOW BEHAVIOR AND THERMAL PERFORMANCE OF DOUBLE LID-DRIVEN CAVITY SUBJECTED TO NANOFLUID WITH VARIABLE PROPERTIES [PDF]

open access: yesمجله مدل سازی در مهندسی, 2012
This article reports a numerical study of fluid flow and heat transfer of mixed convection in a shallow cavity with different aspect ratios subjected to a nanofluid with Temperature-dependent dynamic viscosity and thermal conductivity.
محمد Hemmat Esfe   +2 more
doaj   +1 more source

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