Iranian Journal of Mechanical Engineering Transactions of the ISME
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Fracture behavior of bonded dissimilar piezoelectric rectangular planes with multiple interfacial cracks under anti-plane mechanical and in-plane electric impact loads
(Iranian Society of Mechanical Engineering, 2025-03-01)The paper aims to investigate the problem of interfacial cracks in two bonded dissimilar piezoelectric rectangular planes. First, we solve the problem of dynamic electro-elastic dislocation in a piezoelectric two-layer ...
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The optimum design of an anti-vibration boring bar by improving dynamic characteristics
(Iranian Society of Mechanical Engineering, 2025-03-01)Dynamic absorbers performance is limited to a specific range of frequencies so they need to be optimized based on operation conditions. Due to the low stiffness of the long cantilever boring bar, vibration often occurs ...
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Thermoelasticity of Functionally Graded Cylindrical Shells under Axisymmetric Partial Thermal Shock
(Iranian Society of Mechanical Engineering, 2025-03-01)In this paper, we investigate the coupled thermoelastic behavior of a cylindrical shell made of functionally graded material subjected to axisymmetric partial heat shock, employing the theory of classical coupled ...
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Topology Optimization of Triply Periodic Minimal Surfaces Subjected to Uniaxial Compressive Load
(Iranian Society of Mechanical Engineering, 2024-09-01)Triply periodic minimal surfaces (TPMS) are a class of minimal surfaces that extend along all axes of a Cartesian coordinate system. These surfaces, constructed using trigonometric functions such as sine and cosine, encompass ...
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A Hybrid Contactless Air-magnetic Bearing System for Operating at 15,000 rpm
(Iranian Society of Mechanical Engineering, 2024-09-01)This paper introduces a Hybrid Air-Magnetic bearing for a two-pole three-phase induction motor. In high-speed machine, contact bearings are not usable. As a result, utilizing non-contact bearings are alternative. Magnetic ...
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Nonlinear Coupled Thermoelasticity of Cylindrical Shells Resting on Elastic Foundation
(Iranian Society of Mechanical Engineering, 2024-09-01)Kinematically nonlinear coupled thermoelasticity of the FGM cylindrical shell resting on elastic foundations is investigated under heat shock. The energy and equations of motion are solved simultaneously as a system of ...
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Stabilization of Intrusive DMD based Reduced Order Model of the Convection-Diffusion Equations
(Iranian Society of Mechanical Engineering, 2024-03-01)Simulation of complex and non-linear dynamical systems needs numerical algorithms which are time-consuming due to hardware limitations. Reduced-order model is the method that could be an alternative approach for simulating ...
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Viscoelastic Analysis of Malignant Breast Tumors using Fractional Derivative Model and in Vitro Test Data
(Iranian Society of Mechanical Engineering, 2024-03-01)Examining the breast mechanical behavior helps with early diagnosis and successful treatment. Identification of tumor malignancy by evaluating its mechanical behavior can significantly facilitate early detection task. In ...
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Investigating the Impact of Geometric Parameters on Radial Fan Performance
(Iranian Society of Mechanical Engineering, 2024-03-01)This study focuses on the evaluation of the performance of a radial fan, which is an essential component of various industrial and HVAC systems. The geometric parameters of the radial fan were simulated using ANSYS Workbench ...
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Time Delay Estimation and PID Controller Design Using Smith Predictor for Lever Arm Platform
(Iranian Society of Mechanical Engineering, 2023-09-01)This paper addresses the design and experimental evaluation of a proportional-derivative-integral (PID) controller, employing a Smith predictor, for a lever arm platform with time-delay. The primary focus is on identifying ...
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Numerical Simulation of the saline water electrolysis process using electromagnetic waves
(Iranian Society of Mechanical Engineering, 2023-09-01)The electromagnetic waves have been used to accelerate chemical reactions in comparison of conventional reactions. In this article, a numerical method has been used to compare saline water electrolysis (EL) and saline water ...
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Investigating the influence of piezoelectric excitation on the veering phenomenon associated with electrostatically coupled micro-beams
(Iranian Society of Mechanical Engineering, 2023-09-01)This paper introduces piezoelectric excitation as a balancing mechanism for mode-localized mass micro-sensors. To this end, adopting the Hamilton principle together with the Ritz method, the non-linear reduced equations ...
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Experimental Design By Using Taguchi Method For Sensitivity Analysis of CuO/Deionized Water Nanofluid Properties
(Iranian Society of Mechanical Engineering, 2023-09-01)In this research, the thermal conductivity and viscosity of nanofluids has been investigated. So, the best response for the highest thermal conductivity and the lowest viscosity, respectively have been checked. For this ...
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Nonlinear Coupled Thermoelasticity of Functionally Graded Cylindrical Shells Resting on Elastic Foundation
(Iranian Society of Mechanical Engineering, 2023-09-01)Kinematically nonlinear coupled thermoelasticity of the FGM cylindrical shell resting on elastic foundations is investigated under heat shock. The energy and equations of motion are solved simultaneously as a system of ...
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Elastoplastic Analysis of Rotating Disk of Variable Thickness Made of Functionally Graded Materials
(Iranian Society of Mechanical Engineering, 2023-03-01)This paper is dealing with the Elastoplastic analysis of rotating disks of variable thickness made of functionally graded materials based on Tresca's yield criterion. To do so, the governing equations of rotating annular ...
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Multi-objective Optimization of Two-Layer Microbeam used for Sensing of Viruses by Genetic Algorithm
(Iranian Society of Mechanical Engineering, 2023-03-01)In this paper, new optimizations of the two-layer microbeams based on the classical and non-classical theory are presented. In the first step, the natural frequency is obtained based on the modified couple stress theories. ...
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Transient Response of a Functionally Graded Piezoelectric Rectangular Plane with Multiple Cracks under Electromechanical Impacts
(Iranian Society of Mechanical Engineering, 2023-03-01)The analytical method is developed to examine the fracture behavior of a functionally graded piezoelectric rectangular plane (FGPRP) with finite geometry under impact loads. The material properties of the FGPRP vary ...
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Theoretical Study of Effective Parameters in the Friction Reduction by Ultrasonic Vibrations in Solid Surfaces
(Iranian Society of Mechanical Engineering, 2022-09-01)Ultrasonic vibrations are used in many fields to reduce friction forces. In this paper, the reasons for reducing friction in solid surfaces are investigated using the friction model of Dahl and the elastic-plastic contact ...
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Stability analysis of an axially moving thin wall conical shells made of shape memory alloy
(Iranian Society of Mechanical Engineering, 2022-09-01)The current paper presents the free vibration characteristic of axially moving conical shells made of shape memory alloy based on Donnell's shell theory. The material behavior is simulated based on the Boyd-Lagoudas model. ...
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A New Modified Harmony Search Optimization Algorithm for Evaluating Airfoil Shape Parameterization Methods and Aerodynamic Optimization
(Iranian Society of Mechanical Engineering, 2022-09-01)In this work, a modification has been made to increase the efficiency and convergence of the harmony search algorithm. Then, the capability of this amendment was investigated by applying it to the following aerodynamic ...
