Volume 8, Issue 3
مرور بر اساس
ارسال های اخیر
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A Brief Review on the Asymptotic Methods for the Periodic Behaviour of Microelectromechanical Systems
(Shahid Chamran University of Ahvaz, 2022-07-01)Microelectromechanical systems (MEMS) is a very vast field and has been identified as lots of potential in tiny instruments. Because of their unique and exciting properties such as small sizes, low power consumption, ...
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Stability Analysis of Gyroscopic Systems with Delay under Synchronous and Asynchronous Switching
(Shahid Chamran University of Ahvaz, 2022-07-01)With the aid of the decomposition method and the Lyapunov direct method, stability of linear gyroscopic systems with switching and a constant delay in positional forces is investigated. The cases of synchronous and ...
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Finite Elements Analysis of the Hyperelastic Impeller Rotating in the Self-Priming Pump
(Shahid Chamran University of Ahvaz, 2022-07-01)Volumetric self-priming pumps with deformable impeller blades are very common devices in the food industry, especially in the presence of viscous liquids that tend to foam or contain suspended solids, but also when working ...
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Multibody Efficiency Analysis of Chain Drives in Racing Motorcycles
(Shahid Chamran University of Ahvaz, 2022-07-01)In racing motorcycles, the maximization of power transmission from the engine to the rear wheel is one of the critical aspects for improving the performance. Therefore, it is important to improve as much as possible the ...
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Two-dimensional Stress and strain Analysis for Graphene-polymer Nanocomposite under Axial Load
(Shahid Chamran University of Ahvaz, 2022-07-01)A two-dimensional stress-function method describing the stress transfer in a three-layered adhesive bonded graphene and poly(methyl methacrylate) nanocomposite structure, subjected to axial load is developed and applied. ...
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Numerical Investigations of the Coupled Nonlinear Non-homogeneous Partial Differential Equations
(Shahid Chamran University of Ahvaz, 2022-07-01)The mathematical description of various processes such as the nonlinear Klein-Gordon equation occurring in mathematical physics leads to a nonlinear partial differential equation. The mathematical model is only the first ...
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A Kinetic Flux-vector Splitting Scheme for Two-layer Shallow Flow Model
(Shahid Chamran University of Ahvaz, 2022-07-01)In this article, two-layer shallow flow model with non-flat basal topography is considered. The presence of coupling terms in two layers make the system conditional hyperbolic. The kinetic flux-vector splitting (KFVS) ...
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Reducing the Wear of the UHMWPE Used in the Total Hip Replacement after Low-Pressure Plasma Treatment
(Shahid Chamran University of Ahvaz, 2022-07-01)This paper discusses the problem of evaluating the microhardness gradient effect on surface wear of an ultra-high molecular weight polyethylene (UHMWPE) films treated with low-pressure plasma. Its solution was first obtained ...
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Comments on the paper “Nonlinear Convective Flow of Maxwell Fluid over a Slendering Stretching Sheet with Heat Source/Sink, Mocherla Gayatri, Konda Jayaramireddy, Macherla Jayachandra Babu, J. Appl. Comput. Mech., 8(1), 2022, 60-70”
(Shahid Chamran University of Ahvaz, 2022-07-01)Exact solutions for non-Newtonian fluids are rare, particularly for Maxwell fluids [1], such solutions do not exist. Generally, in non-Newtonian fluids, the relation which connects shear stress and shear rate is non-linear ...
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Rotations of a Rigid Body Close to the Lagrange Case under the Action of Nonstationary Perturbation Torque
(Shahid Chamran University of Ahvaz, 2022-07-01)Perturbed motions of a rigid body, close to the Lagrange case, under the action of restoring and perturbation torques of forces are investigated in the paper. The following problem is formulated: investigating solutions ...
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Algorithm for Determining the Permeability and Compaction Properties of a Gas Condensate Reservoir based on a Binary Model
(Shahid Chamran University of Ahvaz, 2022-07-01)The paper proposes a new technique for the well-test data interpretation using two different steady-state flow tests of gas condensate well to determine the initial value of the effective reservoir permeability and the ...
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Variational Derivation of Truncated Timoshenko-Ehrenfest Beam Theory
(Shahid Chamran University of Ahvaz, 2022-07-01)The beam theory allowing for rotary inertia and shear deformation and without the fourth order derivative with respect to time as well as without the slope inertia, as was developed by Elishakoff through the dynamic ...
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Experimental Study and Identification of a Dynamic Deformation Model of Dry Clay at Strain Rates up to 2500 s-1
(Shahid Chamran University of Ahvaz, 2022-07-01)The paper presents the results of an experimental study and numerical simulation of dynamic deformation of dry clay at strain rates of ~103 s-1. The main physical and mechanical characteristics of the clay were determined ...
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Size Effect on the Axisymmetric Vibrational Response of Functionally Graded Circular Nano-Plate Based on the Nonlocal Stress-Driven Method
(Shahid Chamran University of Ahvaz, 2022-07-01)In this work, the axisymmetric-vibrational behavior of a size-dependent circular nano-plate with functionally graded material with different types of boundary conditions was investigated. The analysis was performed based ...
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MHD Non-Newtonian Fluid Flow past a Stretching Sheet under the Influence of Non-linear Radiation and Viscous Dissipation
(Shahid Chamran University of Ahvaz, 2022-07-01)This work reports the heat and mass transfer of the 2- D MHD flow of the Casson and Williamson motions under the impression of non-linear radiation, viscous dissipation, and thermo-diffusion and Dufour impacts. The flow ...
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Combined Impacts of Fin Surface Inclination and Magnetohydrodynamics on the Thermal Performance of a Convective-Radiative Porous Fin
(Shahid Chamran University of Ahvaz, 2022-07-01)In this work, the combined impacts of magnetohydrodynamics and fin surface inclination on thermal performance of convective-radiative porous fin with temperature-invariant thermal conductivity is numerically study using ...
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Transient Response of Longitudinal Fins under Step Changes in Base Temperature and Heat Flux using Lattice Boltzmann Method
(Shahid Chamran University of Ahvaz, 2022-07-01)The present article reports the transient response of longitudinal fins having linear and non-linear temperature dependent thermal conductivity, convection coefficient and internal heat generation under two cases of base ...
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A Simple Approach for Dealing with Autonomous Conservative Oscillator under Initial Velocity
(Shahid Chamran University of Ahvaz, 2022-07-01)The current study is involved to analytical solution of nonlinear oscillators under initial velocity. By using energy conservation principle, system initial condition converts to condition which oscillator's velocity become ...
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Higher-Order Slope Limiters for Euler Equation
(Shahid Chamran University of Ahvaz, 2022-07-01)High-resolution schemes are designed for resolving shocks without significant numerical dissipation and dispersion. Achieving higher-order and high-resolution is a challenging task because of the non-monotonicity of the ...
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Analytical Solutions and Analyses of the Displacement Separating Point in Diffusers
(Shahid Chamran University of Ahvaz, 2022-07-01)The main purpose of this study is to develop an understanding of the turbulent boundary layer calculation to analyze displacement of the separating point in diffusers. An approximate method has been used which is based on ...
