Volume 15 (2022)
Volume 14 (2021)
Volume 13 (2020)
Volume 12 (2019)
Volume 11 (2018)
Volume 10 (2017)
Volume 8 (2015)
Volume 7 (2014)
Volume 6 (2013)
Volume 5 (2011-2012)
Volume 4 (2010-2011)
Volume 3 (2009-2010)
Volume 2 (2008-2009)
Volume 1 (2007-2008)
1. Kinematic Synthesis of a Novel Parallel Cable Robot as Artificial Leg

Ebrahim Shahabi; MirAmin Hosseini

Volume 9, Issue 3 , September 2016, Pages 1-10

  Accommodation of mechanism with human being’s physical characteristics creates the possibility of safe and efficient interaction between human being and robot. Regarding the fact that amputation of a limb in human beings causes several mental, economical and social difficulties and problems, need ...  Read More

2. Investigating the Effects of Expansion Equal Channel Angular Extrusion (Exp-ECAE) on Dynamic Behavior of AA7075 Aluminum Alloy

J. Shahbazi Karami; S. Sepahi-Boroujeni; Mohsen Khodsetan

Volume 9, Issue 3 , September 2016, Pages 11-18

  Expansion equal channel angular extrusion (Exp-ECAE) is a severe plastic deformation (SPD) operation for processing bulk materials. In the current study, AA7075 Al was SPD-processed by expansion equal channel angular extrusion (Ex-ECAE) at various temperatures and ram velocities. Then, using split Hopkinson ...  Read More

3. Experimental Study and Modeling of Friction Stir Welding Process of Aluminum 1100 Alloys, using Artificial Neural Network with Taguchi Method

V. Zakeri Mehrabad; Ali Doniavi; A. Gholipoor

Volume 9, Issue 3 , September 2016, Pages 19-29

  In this paper, the temperature distribution in workpiece and microstructure of welded zone in friction stir welding of aluminum 1100 alloys and the effect of the tool rotational speed on these parameters have investigated experimentally. Also feed forward back propagation neural network has been used ...  Read More

4. Numerical Simulation of Fluid Flow in Random Granular Porous Media using Lattice Boltzmann Method

MohamadMehdi Keshtkar

Volume 9, Issue 3 , September 2016, Pages 31-40

  In this paper, fluid flow between two parallel flat plates that are partially filled with two-dimension porous media is investigated numerically using single relaxation time (SRT) lattice Boltzmann method (LBM) at pore scale. The considered obstacles are random, circular, rigid and granular with uniform ...  Read More

5. Experimental Study and Finite Element Simulation of Residual Stress in Welded Sections of Steel P91 Pipes with Multi-pass Welding

Davood Azadi; Nosratollah Solhjoei; SayedAli Mousavi

Volume 9, Issue 3 , September 2016, Pages 41-47

  All the producing and assembling processes exert residual stress on the pieces that may lead to structural failure. Therefore, calculating the residual stress in such structures has been common in recent years. In this article, distribution of temperature and residual stress resulting from arc welding ...  Read More

6. Design and Optimization of Metal Matrix Composite (MMC’S) Spur Gear

Purushottam Karthik Janaswamy; Rohith Sai Tunuguntla; Sai Praneeth Singu

Volume 9, Issue 3 , September 2016, Pages 49-56

  Gears are one of the most critical components in power transmission system of an automobile and also many rotating machinery. Many studies have been conducted on optimum gear design. The main objective is to design different aluminium metal matrix composite spur gears before and after optimization. Aluminium ...  Read More

7. Trajectory Path Planning of Cable Driven Parallel Manipulators, Considering Masses and Flexibility of the Cables

Sobhan Sohrabi; H. R. Mohammadi Daniali; A. R. Fathi

Volume 9, Issue 3 , September 2016, Pages 57-64

  Cable driven parallel manipulator (CDPM) is a special class of parallel manipulator in which the rigid extensible links are replaced by actuated cables. It is necessary to take into consideration the cable dynamics, i.e.; its mass, flexibility and curved shape for manipulating a long-span CDPM. These ...  Read More

8. Injection into Orbit Optimization using Orthogonal Polynomials

Sedigheh Shahmirzaee Jeshvaghany; Farshad Pazooki; Alireza Basohbat Novinzaddeh

Volume 9, Issue 3 , September 2016, Pages 65-75

  In this study, the problem of determining an optimal trajectory of a nonlinear injection into orbit problem with minimum time was investigated. The method was based on orthogonalpolynomial approximation. This method consisted of reducing the optimal control problem to a system of algebraic equations ...  Read More

9. Design, Manufacture and Environmental Tests of Battery Pack for Spacecraft Freights

Hossein Bolandi; Moharram Ghahremani Darvish; Masoud Hasanian

Volume 9, Issue 3 , September 2016, Pages 77-84

  The satellite battery pack is one of the important and vital parts that are required conducting special design with multiple capabilities. Some parameters like the minimum weight, lack of outgassing of parts, avoiding from short- circuit in batteries inside battery pack, the possibility for making series ...  Read More

10. Severe Plastic Deformation of Nanostructured Cu-30%Zn Tubes at Increased Temperatures

V. Tavakoli; Ghader Faraji; M. Afrasiab; M. M. Mashhadi

Volume 9, Issue 3 , September 2016, Pages 85-91

  Severe plastic deformation (SPD) methods were developed for producing of metals and alloys with ultrafine grained (UFG) microstructures having high strength. Parallel tabular channel angular pressing (PTCAP) as a noble severe plastic deformation (SPD) method was used to produce ultrafine grained (UFG) ...  Read More

11. Estimation of the Time-Dependent Heat Flux Using Temperature Distribution at a Point in a Three Layer System with None Homogeneous Boundary Conditions

Mohammad Mohammadiun

Volume 9, Issue 3 , September 2016, Pages 93-102

  In this paper, the conjugate gradient method coupled with adjoint problem is used in order to solve the inverse heat conduction problem and estimation of the time- dependent heat flux using the temperature distribution at a point in a three layer system with none homogeneous boundary conditions. Also, ...  Read More

12. Development of Process Model for Optimal Selection of Process Parameters for Geometric Tolerances and Surface Roughness in Stereolithography

Chockalingam Kunjan; Jawahar N.; Chandrasekhar U.; Praveen J.; Karthic M.

Volume 9, Issue 3 , September 2016, Pages 103-113

  The accuracy of stereolithography (SL) product is vital for meeting the intended functional applications. The parameters like layer thickness, hatch spacing, hatch overcure contribute significantly to the accuracy of the SL parts. In this paper an attempt has been made to identify the process parameters ...  Read More