Volume 15 (2022)
Volume 14 (2021)
Volume 13 (2020)
Volume 12 (2019)
Volume 11 (2018)
Volume 10 (2017)
Volume 9 (2016)
Volume 8 (2015)
Volume 7 (2014)
Volume 6 (2013)
Volume 5 (2011-2012)
Volume 3 (2009-2010)
Volume 2 (2008-2009)
Volume 1 (2007-2008)
1. Extracting Lateral Transfer Function of a Remotely Piloted Helicopter by System Identification Method Using 3-DOF Test Stand

Hesamodin EbnodinHamidi; Elyas Nezamoleslami; Faridodin Javadifar

Volume 4, Issue 2 , March 2011

  At the beginning of this paper, design and manufacturing stages of the 3 degree of freedom test stand for a remotely piloted helicopter is described, in which the helicopter is able to rotate about its three primary accesses. In the next parts the dynamical model of the RPH in the yaw channel is presented ...  Read More

2. Finite Volume-Lattice Boltzmann Modeling of Viscous Flows

Ahad Zarghami; Mohamad Javad Maghrebi; Jalal Ghasemi

Volume 4, Issue 2 , March 2011

  In this paper, a viscous flow simulation is presented using the Lattice Boltzmann Equation (LBE). A finite volume approach is adapted to discretize the LBE on a cell-centered, arbitrary shaped, rectangular tessellation. The formulation includes upwind scheme and high order descretization schemes for ...  Read More

3. Adaptive Control of Chaotic Nonlinear Gyros with Uncertain Coefficients of Dynamical Model

Sayed Shahabodin Amelian; HamidReza Koofigar

Volume 4, Issue 2 , March 2011

  In this paper, controlling the gyros with linear plus cubic damping is considered. Hence, an adaptive control algorithm is proposed to overcome the uncertainties in model parameters and the chaotic behavior of gyroscopes. It is noted that for general applications dynamic model coefficient of gyros is ...  Read More

4. An Analytical Model for Free Vibration Analysis of Smart Annular FGM Plates Integrated with Piezoelectric Layers

Farzad Ebrahimi; Abbas Rastgoo

Volume 4, Issue 2 , March 2011

  In this paper, a nonlinear free vibration analysis of thin annular functionally graded (FG) plate integrated with two uniformly distributed actuator layers made of piezoelectric (PZT4) material on the top and bottom surfaces of the annular FG plate is presented based on Kirchhoff plate theory. The material ...  Read More

5. Effect of Expulsion on Energy Absorption Capability of Low Carbon Steel Resistance Spot Welds

Majid Pouranvari; Pirouz Marashi

Volume 4, Issue 2 , March 2011

  This paper aims at investigating the effects of weld nugget size and expulsion on the mechanical properties of low carbon steel resistance spot welds using tensile-shear test. Mechanical performance of spot welds are described in terms of failure mode, peak load and failure energy obtained from the tensile-shear ...  Read More

6. Analysis of Effective Factors on Rail Failure and Exerted Stress on Rail and Wheel

Vahid Monfared; Saeed Adibnazari; Habib Esfandiar

Volume 4, Issue 2 , March 2011

  Rails fracture by the growth of fatigue crack or critical crack is one of the prevalent defects in railway. The rail fracture, failure and stress analysis should be studied in order to prevention of rail fracture. In this paper, new formulation of contact stress for two rolling bodies is presented, where ...  Read More

7. Statistical Control of Root Dimensions of Gas Turbine Blade in Creep Feed Grinding Process

AhmadReza Fazeli; Ebrahim Sharifi

Volume 4, Issue 2 , March 2011

  In this project creep feed grinding process of gas turbine blade root is investigated with the aim of consistant and controlable production. Inthispaper, effectiveness of creep feed grinding process prometers suchas wheel speed, workpiece speed, grind depth and dresser speed are investigated. This investigation ...  Read More

8. Stability of Shear-Thickening and Shear-Thinning Fluids in Narrow Gap between Rotating Cylinders

Nariman Ashrafi Khorasani; Habibollah KarimiHaghighi

Volume 4, Issue 2 , March 2011

  The effect of weak shear Thickening and shear thinning on the stability of the Taylor-Couette flow is explored for a Carreau-Bird fluid in the narrow-gap limit. The Galerkin projection method is used to derive a low-order dynamical system from the conservation of mass and momentum equations. In comparison ...  Read More