Volume 12, Issue 2
مرور بر اساس
ارسال های اخیر
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Sound Wave Propagation in a Multiferroic Thermo Elastic Nano Fiber Under the Influence of Surface Effect and Parametric Excitation
(Islamic Azad University - Arak Branch, 2020-06-01)This study investigates that the sound wave propagation of multiferroic thermo elastic Nanofibers under the influence of surface effect and parametric excitation via Timoshenko form of beam equations. The equation of ...
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On Analysis of Stress Concentration in Curvilinear Anisotropic Deformable Continuum Bodies
(Islamic Azad University - Arak Branch, 2020-06-01)In cylindrical continua, hoop stresses are induced due to the circumferential failure. This mainly happens when the cylinder is subjected to mechanical loads which vary in the circumferential directions. On the other hand, ...
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Considering Bending and Vibration of Homogeneous Nanobeam Coated by a FG Layer
(Islamic Azad University - Arak Branch, 2020-06-01)In this research static deflection and free vibration of homogeneous nanobeams coated by a functionally graded (FG) layer is investigated according to the nonlocal elasticity theory. A higher order beam theory is used that ...
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Effect of Winkler Foundation on Radially Symmetric Vibrations of Bi-Directional FGM Non-Uniform Mindlin’s Circular Plate Subjected to In-Plane Peripheral Loading
(Islamic Azad University - Arak Branch, 2020-06-01)An analysis has been presented of the effect of elastic foundation and uniform in-plane peripheral loading on the natural frequencies and mode shapes of circular plates of varying thickness exhibiting bi-directional ...
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Stiffeners Mechanical Effect Analysis by Numerical Coupling
(Islamic Azad University - Arak Branch, 2020-06-01)Given any structure, we seek to find the solution of mechanical problem as precisely and efficiently as possible. Within this condition, the BEM is robust and promising development, standing out in the analysis of cases ...
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In-Plane Analysis of an FGP Plane Weakened by Multiple Moving Cracks
(Islamic Azad University - Arak Branch, 2020-06-01)In this paper, the analytical solution of an electric and Volterra edge dislocation in a functionally graded piezoelectric (FGP) medium is obtained by means of complex Fourier transform. The system is subjected to in-plane ...
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Free Vibration Analysis of Bidirectional Functionally Graded Conical/Cylindrical Shells and Annular Plates on Nonlinear Elastic Foundations, Based on a Unified Differential Transform Analytical Formulation
(Islamic Azad University - Arak Branch, 2020-06-01)In the present research, a unified formulation for free vibration analysis of the bidirectional functionally graded conical and cylindrical shells and annular plates on elastic foundations is developed. To cover more ...
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Analytical Stress Solutions of an Orthotropic Sector Weakened by Multiple Defects by Dislocation Approach
(Islamic Azad University - Arak Branch, 2020-06-01)In this article, the anti-plane deformation of an orthotropic sector with multiple defects is studied analytically. The solution of a Volterra-type screw dislocation problem in a sector is first obtained by means of a ...
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Free Vibration and Transient Response of Heterogeneous Piezoelectric Sandwich Annular Plate Using Third-Order Shear Deformation Assumption
(Islamic Azad University - Arak Branch, 2020-06-01)Based on the third-order shear deformation theory (TSDT), this paper numerically investigates the natural frequencies and time response of three-layered annular plate with functionally graded materials (FGMs) sheet core ...
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Dynamic Characteristics of Functionalized Carbon Nanotube Reinforced Epoxy Composites: An Experimental Approach
(Islamic Azad University - Arak Branch, 2020-06-01)The effects of amine functionalization of carbon nanotubes (CNTs) and CNTs weight percent (wt. %), on the first bending natural frequencies and damping properties of CNT/epoxy composites are investigated in this paper. ...
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A Generalized Thermo-Elastic Diffusion Problem in a Functionally Graded Rotating Media Using Fractional Order Theory
(Islamic Azad University - Arak Branch, 2020-06-01)A generalized thermo-elastic diffusion problem in a functionally graded isotropic, unbounded, rotating elastic medium due to a periodically varying heat source in the context of fractional order theory is considered in our ...
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Analysis of Nonlinear Vibrations of Slightly Curved Tripled-Walled Carbon Nanotubes Resting on Elastic Foundations in a Magneto-Thermal Environment
(Islamic Azad University - Arak Branch, 2020-06-01)In this work, nonlocal elasticity theory is applied to analyze nonlinear free vibrations of slightly curved multi-walled carbon nanotubes resting on nonlinear Winkler and Pasternak foundations in a thermal and magnetic ...



