Volume 8, Issue 3
مرور بر اساس
ارسال های اخیر
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Vibration Analysis of Orthotropic Triangular Nanoplates Using Nonlocal Elasticity Theory and Galerkin Method
(Islamic Azad University - Arak Branch, 2016-09-01)In this article, classical plate theory (CPT) is reformulated using the nonlocal differential constitutive relations of Eringen to develop an equivalent continuum model for orthotropic triangular nanoplates. The equations ...
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Free Vibration Analysis of Variable Stiffness Composite Laminates with Flat and Folded Shapes
(Islamic Azad University - Arak Branch, 2016-09-01)In this article, free vibration analysis of variable stiffness composite laminate (VSCL) plates with flat and folded shapes is studied. In order to consider the concept of variable stiffness, in each layer of these composite ...
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Analytical and Numerical Modelling of the Axisymmetric Bending of Circular Sandwich Plates with the Nonlinear Elastic Core Material
(Islamic Azad University - Arak Branch, 2016-09-01)Herein paper compares the analytical model with the FEM based numerical model of the axisymmetric bending of circular sandwich plates. Also, the paper describes equations of the circular symmetrical sandwich plates bending ...
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Nonlocal Bending Analysis of Bilayer Annular/Circular Nano Plates Based on First Order Shear Deformation Theory
(Islamic Azad University - Arak Branch, 2016-09-01)In this paper, nonlinear bending analysis of bilayer orthotropic annular/circular graphene sheets is studied based on the nonlocal elasticity theory. The equilibrium equations are derived in terms of generalized displacements ...
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Deformation Due to Inclined Loads in Thermoporoelastic Half Space
(Islamic Azad University - Arak Branch, 2016-09-01)The present investigation is concerned with the deformation of thermoporoelastic half space with incompressible fluid as a result of inclined load of arbitrary orientation. The inclined load is assumed to be linear combination ...
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Generalized Thermoelastic Problem of a Thick Circular Plate Subjected to Axisymmetric Heat Supply
(Islamic Azad University - Arak Branch, 2016-09-01)The present work is aimed at analyzing the thermoelastic disturbances in a circular plate of finite thickness and infinite extent subjected to constant initial temperature and axisymmetric heat supply. Integral transform ...
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Problem of Rayleigh Wave Propagation in Thermoelastic Diffusion
(Islamic Azad University - Arak Branch, 2016-09-01)In this work, the problem of Rayleigh wave propagation is considered in the context of the theory of thermoelastic diffusion. The formulation is applied to a homogeneous isotropic thermoelastic half space with mass diffusion ...
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Modal Testing and Finite Element Analysis of Crack Effects on Turbine Blades
(Islamic Azad University - Arak Branch, 2016-09-01)The study of vibration response of a turbine blade helps to detect the crack presence in the blade which alters its dynamic characteristics. The change is characterized by changes in the modal parameters associated with ...
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Exact Implementation of Multiple Initial Conditions in the DQ Solution of Higher-Order ODEs
(Islamic Azad University - Arak Branch, 2016-09-01)The differential quadrature method (DQM) is one of the most elegant and useful approximate methods for solving initial and/or boundary value problems. It is easy to use and also straightforward to implement. However, the ...
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Effect of Carbon Nanotube Geometries on Mechanical Properties of Nanocomposite Via Nanoscale Representative Volume Element
(Islamic Azad University - Arak Branch, 2016-09-01)Predicting the effective elastic properties of carbon nanotube-reinforced nanocomposites is of great interest to many structural designers and engineers for improving material and configuration design in recent years. In ...
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Free Vibration Analysis of Microtubules as Orthotropic Elastic Shells Using Stress and Strain Gradient Elasticity Theory
(Islamic Azad University - Arak Branch, 2016-09-01)In this paper, vibration of the protein microtubule, one of the most important intracellular elements serving as one of the common components among nanotechnology, biotechnology and mechanics, is investigated using stress ...
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An Investigation into Resonant Frequency of Triangular V-Shaped Cantilever Piezoelectric Vibration Energy Harvester
(Islamic Azad University - Arak Branch, 2016-09-01)Power supply is a bottle-neck problem of wireless micro-sensors, especially where the replacement of batteries is impossible or inconvenient. Now piezoelectric material is being used to harvest vibration energy for ...
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Response of Two Temperatures on Wave Propagation in Micropolar Thermoelastic Materials with One Relaxation Time Bordered with Layers or Half Spaces of Inviscid Liquid
(Islamic Azad University - Arak Branch, 2016-09-01)The present study is concerned with the propagation of Lamb waves in a homogeneous isotropic thermoelastic micropolar solid with two temperatures bordered with layers or half spaces of inviscid liquid subjected to stress ...
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Thermoelastic Analysis of Rotating Thick Truncated Conical Shells Subjected to Non-Uniform Pressure
(Islamic Azad University - Arak Branch, 2016-09-01)In the present work, a study of thermoelastic analysis of a rotating thick truncated conical shell subjected to the temperature gradient and non-uniform internal pressure is carried out. The formulation is based on first-order ...



