Iranian Journal of Science and Technology, Transactions of Mechanical Engineering

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Micromechanics-Based Thermoelastic Analysis of Polyimide Nanocomposites Containing 3D Randomly Oriented Carbon Nanotubes
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering -
Mohammad Kazem Hassanzadeh-Aghdam, R. Ansari, A. Darvizeh
Investigation of the Thermoelastic Behaviour of Magneto-Thermo-Viscoelastic Rods Based on the Kelvin-Voigt Viscoelastic Model
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - - Trang 1-17 - 2023
Jia Zhang, Yongbin Ma
In the classical linear viscoelastic framework, materials exhibit more significant creep and stress relaxation at high temperatures, making thermoviscoelastic analyses of materials essential in the design of some polymers. In this paper, a new generalized thermo-viscoelastic model is developed by introducing the Kelvin-Voigt theory of viscoelasticity, and the transient response of an elastic rod u...... hiện toàn bộ
Towards Accurate Simulation of Moving No-Slip Solid Curved Surface in Lattice Boltzmann Method
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - Tập 47 - Trang 1493-1502 - 2023
Mojtaba B. Abbassi
Lattice Boltzmann Method has been demonstrated to be a powerful numerical algorithm for computational fluid dynamics. Albeit that, accurate simulation of fluid structure interaction in the Lattice Boltzmann Method has been a matter of ongoing research among the fluid mechanics community in the last two decades or so. In this paper, three widely used no-slip bounce-back-based boundary conditions fo...... hiện toàn bộ
An Efficient Estimation of Fluid–Structure Interaction in Blocked L-shaped Pipelines
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering -
Faeze Khalighi, Ahmad Ahmadi, Alireza Keramat, Arris S. Tijsseling, Aaron C. Zecchin
Effects of Tooth Modifications on the Mesh and Dynamic Characteristics of Differential Gearbox Used in Electric Vehicle
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - - 2019
Chaoqun Xiang, Chaosheng Song, Caichao Zhu, Yanxiang Weng, Wanlong Guo
Experimental Study on the Effect of Tubercle on Aerodynamic Characteristics of Swept Wings at low Reynolds Number
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - Tập 46 - Trang 783-792 - 2021
Jeena Joseph, A. Sathyabhama
Inspired from the Humpback whale flipper, airfoils and wings incorporated with sinusoidal leading edge are much studied for their improved aerodynamic characteristics like delayed stall and higher lift in post-stall region. In this work, the performance of different swept wings equipped with leading edge tubercles is studied by comparing with their baseline models at a low Reynolds number of 100,0...... hiện toàn bộ
Impact Deformation of Curved Nanocomposite Panels
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - Tập 43 - Trang 551-558 - 2018
A. Bidi, Gh. Liaghat, Gh. Rahimi
In this study, low-velocity impact response of cylindrically curved bilayer panels is studied. A large number of parameters affect the impact dynamics, and many models have been used previously; these models can be classified as energy-balance model; spring–mass model and complete models in which the dynamic behavior of the structure is exactly modeled. In this study, a spring–mass model is used t...... hiện toàn bộ
Simulation of Composite Laminate with Cohesive Interface Elements Under Low-Velocity Impact Loading
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - Tập 43 - Trang 127-138 - 2017
Enock A. Duodu, Jinan Gu, Wei Ding, Zhenyang Shang, Shixi Tang
In this paper, numerical model based on continuum damage mechanics is presented to predict the damage behavior in quasi-isotropic composite laminates under low-velocity impact conditions. Hashin criterion and a gradual degradation scheme are employed to trigger the intra-laminar damage initiation and growth. Additionally, an interface cohesive element is incorporated in the model to predict the i...... hiện toàn bộ
Comparative Experiments on a Self-priming Pump Delivering Water Medium During Rapid and Slow Starting Periods
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - Tập 45 - Trang 1007-1019 - 2020
Yu-Liang Zhang, Zu-Chao Zhu, Yan-Juan Zhao, Jun Wu, Feng-Lin Zhou
This paper presents an experiment on the transient hydraulic performance of a self-priming pump for transporting clear water under fast and slow start-up states. In the experiment, five typical working conditions are set, and the evolution of preset rotating speed increases linearly. The similarities and differences between fast and slow start-up states are analyzed in detail. Results show an over...... hiện toàn bộ
A Chattering-Free Finite-Time Robust Synchronization Scheme for Uncertain Chaotic Systems
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering - Tập 43 - Trang 995-1003 - 2018
Siamak Heidarzadeh, Hassan Salarieh
This paper addresses a simple chattering-free and finite-time convergent robust synchronization scheme for a general class of disturbed master and slave chaotic systems. Unlike traditional variable structure control schemes, the proposed controller does not directly include a switching function, and chattering is avoided. The term including switching function is the input of a low-pass filter wher...... hiện toàn bộ
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