مرور Volume 3, Issue 4 بر اساس عنوان
در حال نمایش موارد 1 - 7 از 7
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Constrained Multi-Objective Optimization Problems in Mechanical Engineering Design Using Bees Algorithm
(Islamic Azad University - Arak Branch, 2011-12-01)Many real-world search and optimization problems involve inequality and/or equality constraints and are thus posed as constrained optimization problems. In trying to solve constrained optimization problems using classical ...
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Electro-Mechanical Buckling of a Piezoelectric Annular Plate Reinforced with BNNTs Under Thermal Environment
(Islamic Azad University - Arak Branch, 2011-12-01)In this article, axisymmetric buckling behavior of piezoelectric fiber reinforced polymeric composite (PFRPC) annular plate subjected to electro-thermo-mechanical field is presented utilizing principle of minimum potential ...
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Experimental Investigation of the Pulse and Plasma Flushing Efficiency in Electrical Discharge Machining
(Islamic Azad University - Arak Branch, 2011-12-01)This paper presents a study of the relationship between Electrical Discharge Machining (EDM) parameters on the EDM efficiency factors using a full factorial design, based on pulse on-time, duty cycle and tool polarity ...
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Magneto-Thermo-Elastic Stresses and Perturbation of Magnetic Field Vector in a Thin Functionally Graded Rotating Disk
(Islamic Azad University - Arak Branch, 2011-12-01)In this paper, a semi-analytical solution for magneto-thermo-elastic problem in an axisymmetric functionally graded (FG) hollow rotating disk with constant thickness placed in uniform magnetic and thermal fields with heat ...
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Optimal Nonlinear Energy Sinks in Vibration Mitigation of the Beams Traversed by Successive Moving Loads
(Islamic Azad University - Arak Branch, 2011-12-01)Optimal Nonlinear Energy Sink (NES) is employed in vibration suppression of the beams subjected to successive moving loads in this paper. As a real application, a typical railway bridge is dynamically modeled by a single-span ...
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Optimization of Functionally Graded Beams Resting on Elastic Foundations
(Islamic Azad University - Arak Branch, 2011-12-01)In this study, two goals are followed. First, by means of the Generalized Differential Quadrature (GDQ) method, parametric analysis on the vibration characteristics of three-parameter Functionally Graded (FG) beams on ...
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Theoretical Formulations for Finite Element Models of Functionally Graded Beams with Piezoelectric Layers
(Islamic Azad University - Arak Branch, 2011-12-01)In this paper an overview of functionally graded materials and constitutive relations of electro elasticity for three-dimensional deformable solids is presented, and governing equations of the Bernoulli–Euler and Timoshenko ...



