Volume 12, Issue 1
مرور بر اساس
ارسال های اخیر

A New Numerical Study Method of Thermal Stress Distribution and Tortuosity Effectiveness in an Anode Porous Electrode for a Planar Solid Oxide Fuel Cell
(Islamic Azad University  Arak Branch, 20200301)A fuel cell is an electrochemical tool capable of converting chemical energy into electricity. High operating temperature of solid oxide fuel cell, between 700oC to 1000oC, causes thermal stress. ...

ClampedFree Non Homogeneous Magneto Electro Elastic Plate of Polygonal CrossSections with Hydrostatic Stress and Gravity
(Islamic Azad University  Arak Branch, 20200301)In this article, the influence of hydrostatic stress and gravity on a clamped free non homogeneous magneto electro elastic plate of polygonal cross sections is studied using linear theory of elasticity. The equations of ...

An Axisymmetric Torsion Problem of an Elastic Layer on a Rigid Circular Base
(Islamic Azad University  Arak Branch, 20200301)A solution is presented to a doubly mixed boundary value problem of the torsion of an elastic layer, partially resting on a rigid circular base by a circular rigid punch attached to its surface. This problem is reduced to ...

Natural Frequency of Rotating SingleWalled Carbon Nanotubes with Considering Gyroscopic Effect
(Islamic Azad University  Arak Branch, 20200301)This paper investigates the bending vibration of rotating singlewalled carbon nanotubes (SWCNTs) based on nonlocal theory. To this end, the rotating SWCNTs system modeled as a beam with a circular cross section and the ...

A Comparative Study of Tooth Wear, Mechanical Power Losses and Efficiency in Normal and High Contact Ratio Asymmetric Spur Gears
(Islamic Azad University  Arak Branch, 20200301)The surface tooth wear which occurs at the gear contact region due to inadequate contact strength of the tooth is one of the predominant modes of gear failures. Currently, higher contact ratio spur gears are increasingly ...

Nonlocal Dispersion Analysis of a Fluid – Conveying Thermo Elastic Armchair Single Walled Carbon Nanotube Under Moving Harmonic Excitation
(Islamic Azad University  Arak Branch, 20200301)In this work, the nonlocal elastic waves in a fluid conveying armchair thermo elastic single walled carbon nanotube under moving harmonic load is studied using Eringen nonlocal elasticity theory via Euler Bernoulli beam ...

The Dynamic and Vibration Response of Composite Cylindrical Shell Under Thermal Shock and Mild Heat Field
(Islamic Azad University  Arak Branch, 20200301)In this article, the vibration and dynamic response of an orthotropic composite cylindrical shell under thermal shock loading and thermal field have been investigated. The problem is that the shell is initially located at ...

A New ThreeDimensional Sector Element for Circular Curved Structures Analysis
(Islamic Azad University  Arak Branch, 20200301)In this research paper, the formulation of a new threedimensional sector element based on the strain approach is presented for plate bending problems and linear static analysis of circular structures. The proposed element ...

Studying the Mechanical and Thermal Properties of Polymer Nanocomposites Reinforced with Montmorillonite Nanoparticles Using Micromechanics Method
(Islamic Azad University  Arak Branch, 20200301)In this study, the mechanical and thermal behavior of the nanoreinforced polymer composite reinforced by Montmorillonite (MMT) nanoparticles is investigated. Due to low cost of computations, the 3D representative volume ...

Determination of the Effective Parameters for Perforated Functionally Graded Plates with Polygonal Cutout by Analytical Solution
(Islamic Azad University  Arak Branch, 20200301)This paper investigates the moments and stress resultants from infinite FG laminates with different polygonal cutouts subject to uniaxial tensile load. The analytical solution used for the calculation of stress resultants ...

Free Vibration Analysis of Nonlinear Circular Plates Resting on Winkler and Pasternak Foundations
(Islamic Azad University  Arak Branch, 20200301)Dynamic behaviour of nonlinear free vibration of circular plate resting on twoparameters foundation is studied. The governing ordinary differential equation is solved analytically using hybrid Laplace Adomian ...

Size Dependent Nonlinear Bending Analysis of a Flexoelectric Functionally Graded NanoPlate Under ThermoElectroMechanical Loads
(Islamic Azad University  Arak Branch, 20200301)The effects of flexoelectricity on thermoelectromechanical behavior of a functionally graded electropiezoflexoelectric nanoplate are investigated in this paper using flexoelectric modified and the Kirchhoff classic ...

Hygrothermal Creep and Stress Redistribution Analysis of Temperature and Moisture Dependent MagnetoElectroElastic Hollow Sphere
(Islamic Azad University  Arak Branch, 20200301)In this article, the timedependent stress redistribution analysis of magnetoelectroelastic (MEE) thickwalled sphere subjected to mechanical, electrical, magnetic and uniform temperature gradient as well as moisture ...

Method of Green’s Function for Characterization of SH Waves in PorousPiezo Composite Structure with a Point Source
(Islamic Azad University  Arak Branch, 20200301)An approach of Green's function is adopted to solve the inhomogeneous linear differential equations representing wave equations in piezocomposite materials. In particular, transference of horizontally polarised shear (SH) ...

Vibration Analysis of Rotary Tapered Axially Functionally Graded Timoshenko Nanobeam in Thermal Environment
(Islamic Azad University  Arak Branch, 20200301)In this paper, vibration analysis of rotary tapered axially functionally graded (AFG) Timoshenko nanobeam is investigated in a thermal environment based on nonlocal theory. The governing equations of motion and the related ...

TemperatureDependent Buckling Analysis of Functionally Graded Sandwich Cylinders
(Islamic Azad University  Arak Branch, 20200301)This study is limited to study of buckling analysis of a sandwich cylindrical shell with functionally graded face sheets and homogenous core. Highorder sandwich plate theory is improved by considering the inplane stresses ...