ADMT Journal
مرور بر اساس
مجموعههای این پایگاه
ارسال های اخیر
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Investigation of the Stability of the Ball and Beam by the PID Controller
(Islamic Azad University Majlesi Branch, 2021-03-01)The purpose of this research is to construct and investigate the stability of the ball and beam control system with PID coefficients derived from the simulation and compare them. In this research, by first obtaining the ...
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Hole-flanging of 2205 Dual-Phase Steel using Incremental Forming Process
(Islamic Azad University Majlesi Branch, 2021-03-01)In this study, hole-flanging of a dual-phase steel sheet is conducted using incremental forming approach. In this process, a hole with a certain diameter is pre-cut on a sheet. Then, this hole is transformed into a cylindrical ...
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Evaluation of ANN and ANFIS Methods in Study of the Motion of a Bubble in A Combined Couette-Poiseuille Flow
(Islamic Azad University Majlesi Branch, 2021-03-01)The equilibrium position of a deformable bubble in a combined Couette-Poiseuille flow is investigated numerically by solving the full Navier-Stokes equations using a finite-difference/front-tracking method. The present ...
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Comparative Study of LS-SVM, RVM and ELM for Modelling of Electro-Discharge Coating Process
(Islamic Azad University Majlesi Branch, 2021-03-01)The Electro-discharge coating process is an efficient method for improvement of the surface quality of the parts used in molds. In this process, Material Transfer Rate (MTR), an average Layer Thickness (LT) are important ...
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Design, Modeling and Manufacturing a New Robotic Gripper with High Load Bearing Capability and Robust Control of its Mechanical Arm
(Islamic Azad University Majlesi Branch, 2021-03-01)In this paper, a new robotic gripper is proposed and modeled which is able to bear a high amount of load and it can be used as the claws of climbing robots. As the climbing robots are usually heavy and their configuration ...
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Influence of Tool Offset Distance on Microstructure and Mechanical Properties of the Dissimilar AA2024–AA7075 Plates Joined by Friction Stir Welding
(Islamic Azad University Majlesi Branch, 2020-12-01)In the present study, the effect of tool offset on microstructure and mechanical properties of dissimilar friction stir welding of Al2024 and Al7075 alloys were investigated. In this regard, base metals were welded by FSW ...
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Investigation of the AFM Indenter’s Geometry Effect On Micro/Nano Biological Cells’ Indentation
(Islamic Azad University Majlesi Branch, 2020-12-01)The elasticity modules of the micro/Nanoparticles, especially biological particles are measured using different tools such as atomic force microscopy. The tip of the atomic force microscopy as an indenter has different ...
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Quick and Effective Modal and Flutter Analyses for Low Aspect Ratio Wings
(Islamic Azad University Majlesi Branch, 2020-12-01)In the present work, an analytical study is proposed to investigate the flutter behavior of low-aspect-ratio wings in subsonic flow. An equivalent plate model is used for structural modelling of a semi-monocoque main wing, ...
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Geometric Optimization of APCs anti Explosion Blades using LS-DYNA Finite Element Software
(Islamic Azad University Majlesi Branch, 2020-12-01)In this research, several different types of geometries have been compared to prevent the influence of an explosion wave on the glasses of the APCs. This was done using validation and then using LS-DYNA software. Pre and ...
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Joint Optimization of Spare Parts Strategy and Maintenance Policies for Manufacturing Systems
(Islamic Azad University Majlesi Branch, 2020-12-01)Cost is the most important factor in engineering systems, thus cost reduction and producing components with a reasonable cost are mandatory for manufacturing engineers. Effective maintenance influences the total cost of ...
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Vibration Sensitivity Analysis of Nano-mechanical Piezo-Laminated Beams with Consideration of Size Effects
(Islamic Azad University Majlesi Branch, 2020-12-01)The presented article investigates vibration sensitivity analysis of Nano-mechanical piezo-laminated beams with consideration of size effects. To do this, the vibration governing equation of the stepped Nano-mechanical ...
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Preparation of Nitrogen-Doped Graphene Aerogel/Epoxy Nanocomposites and Experimental Study of Mechanical Properties
(Islamic Azad University Majlesi Branch, 2020-12-01)Nitrogen-Doped Graphene Aerogel (N-GA) nanomaterials can significantly improve the functional efficiency of polymer composites due to its three-dimensional structure and suitable physical properties. The preparation process ...
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Numerical simulation of multilayer cellular scaffolds with 3D and 1D elements
(Islamic Azad University Majlesi Branch, 2020-12-01)In this paper, an attempt has been made to provide a numerical method for investigating the mechanical properties of multilayer scaffolding. These scaffolds can be used as implants in bone fractures. For this purpose two ...
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Analysis of Material Flow and Phase Transformation in Friction Hydro-Pillar Processing of 1045 Steel
(Islamic Azad University Majlesi Branch, 2020-12-01)In the present study, a 3D finite element model was developed using DEFORM commercial software to analyse the material flow and phase transformation, as two key phenomena affecting the joint properties in friction hydro-pillar ...
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Study on the Wettability and Optical Properties of Polydimethylsiloxane-SiO2 Nano-composite Surfaces
(Islamic Azad University Majlesi Branch, 2020-12-01)In this paper, the effects of different weight percentages of silica nano-particles on the wettability and optical properties of polymer based surfaces were investigated. The Polydimethylsiloxane (PDMS)-SiO2 nano-composites ...
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Multi-objective Optimization of Volute Springs using an Improved NSGA II
(Islamic Azad University Majlesi Branch, 2020-12-01)Due to the variable stiffness through their length, their resistance against buckling, damping characteristics due to the friction between their chains, and their small solid length, volute springs are widely used in ...
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Design and Fabrication of a Composite Energy Absorber
(Islamic Azad University Majlesi Branch, 2020-12-01)In this paper, the quasi-static test and the damage of the thin-walled composite cylinder were numerically simulated using ABAQUS. Then, a comparison was made between the results of this simulation and those obtained from ...
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Experimental Study of the Effect of Variable Pitch in Indexable Cutting Tool on AISI4140 Steel Surface Finish in Milling
(Islamic Azad University Majlesi Branch, 2020-09-01)Chatter is one of the most limitations that cause undesirable effect on improving productivity and part quality. In this paper, an experimental method has been used for analysing the effect of changing pitch in the indexable ...
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Microstructure Investigation and Mechanical Properties of Resistance Upset Butt Welded Ti-6Al-4V Alloy
(Islamic Azad University Majlesi Branch, 2020-09-01)In the present study, resistance upset butt welding was used as a solid-state process for joining Ti-6Al-4V alloy. Results showed that melting and subsequent solidification of the alloy at the joint interface promoted the ...
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Design and Implementation of Embedded Direct Drive SCARA Robot Controller with Resolved Motion Rate Control Method
(Islamic Azad University Majlesi Branch, 2020-09-01)Most of SCARA (Selective Compliance Articulated Robot Arm) direct drive robots today are equipped with a circular feedback system. The Resolved Motion Rate Control (RMRC) method increases the accuracy and compensates the ...