Browsing Makine Mühendisliği Bölümü by Issue Date

Now showing items 1-20 of 33

Passive flow control in boundary layer ingesting semi submerged inlet

Can Kucuk, U.; Ugras Baran, O.; Uzol, O. (2015)

In this study, effect of vortex generators used as passive flow control devices in a boundary layer ingesting semi submerged inlet is computationally investigated with the commercially available flow solver Fluent 14.0. ...
A Potential Solution to Mystical Materials in Indentation Test

Billur, E.; Çetin, B.; Music, O.; Şimşir, C.; Davut, K. (Elsevier Ltd, 2017)

Various methods have been designed to determine the elasto-plastic properties of metals. Instrumented indentation test (IIT) is considered to be a good candidate to determine local properties after manufacturing operations. ...
Simulation of incremental sheet forming using partial sheet models

Memicoglu, P.; Music, O.; Karadogan, C. (2017)

Academic and industrial interest in flexible forming has grown rapidly over the last two decades, leading to a large volume of research in this area. However, despite this interest, numerical modelling of the process is ...
Light Cone Distribution Amplitudes of Excited P-Wave Heavy Quarkonia at Leading Twist

Olpak, M. A.; Ozpineci, A.; Tanriverdi, V. (AMER PHYSICAL SOC, ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA, 2017)

Leading twist light cone distribution amplitudes (LCDAs) are key ingredients in calculating various hadronic amplitudes using light cone QCD sum rules. This work concentrates on calculating the leading twist LCDAs of p-wave ...
Evaluation and Optimization of Nonlinear Central Pattern Generators for Robotic Locomotion

Elbori, Abdalftah; Turan, Mehmet; Arikan, Kutluk Bilge (ROMANIAN SOC CONTROL TECH INFORMATICS, 313 SPLAIUL INDEPENDENTEI, BUCHAREST, 060042, ROMANIA, 2017)

With regard to the optimization of Central Pattern Generators (CPGs) for bipedal locomotion in robots, this paper investigates how the different cases of CPGs such as uncoupled, unidirectional, bidirectional two CPGs are ...
A modeling and simulation tool for safe store separation envelope generation using monte carlo simulations

Unal, K.; Baran, O.U. (American Institute of Aeronautics and Astronautics Inc, AIAA, 2018)

When an air released store is developed or undergoes substantial updates, integration to aircraft is realized through a certification process. One of the most important steps of the certification process is to determine ...
Simplified Numerical Approach for the Prediction of Aerodynamic Forces on Grid Fins

Dikbas, Erdem; Baran, Ozgur Ugras; Sert, Cuneyt (AMER INST AERONAUTICS ASTRONAUTICS, 1801 ALEXANDER BELL DRIVE, STE 500, RESTON, VA 22091-4344 USA, 2018)

Grid fins are unconventional control devices used for aerodynamic control of various types of missiles. Low hinge moment requirement and superior packaging potential make grid fins attractive alternatives to conventional ...
Prediction of forming limit curve at fracture for sheet metal using new ductile fracture criterion

Dizaji, Shahram Abbasnejad; Darendeliler, Haluk; Kaftanoglu, Bilgin (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2018)

The application of ductile fracture criteria (DFCs) in numerical analysis of sheet metal forming processes can lead to the accurate determination of the fracture initiation. In this study, a new uncoupled ductile fracture ...
Nano-Mechanical Tensile Behavior of the SPTA1 Gene in the Presence of Hereditary Hemolytic Anemia-Related Point Mutations

Hunt, Melis (SPRINGER-VERLAG BERLIN, HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY, 2018)

A skeletal network of spectrin molecules provides shear stiffness to the red blood cell (RBC) membrane maintaining its shape (by providing elasticity) and thus its stability. There are two a and two beta subunits of human ...
Robust and adaptive control design of a drilling rig during the operating modes

Nobahar Sadeghi, A.; Arıkan, K.B.; Özbek, M.E.; Baranoğlu, B. (2019)

Oil well drilling towers have different operating modes during a real operation, like drilling, tripping, and reaming. Each mode involves certain external disturbances and uncertainties. In this study, using the nonlinear ...
Anticipatory effect of execution on observation: an approach using ExoPinch finger robot

Arikan, Kutluk Bilge; Zadeh, Hassan Gol Mohammad; Turgut, Ali Emre; Zinnuroğlu, Murat; Bayer, Gözde; Gunendi, Zafer; Cengiz, Bulent (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, ATATURK BULVARI NO 221, KAVAKLIDERE, ANKARA, 00000, TURKEY, 2019)

Background/aim: This study aims to explore the mirror neuron system (MNS) involvement using mu (8-12 Hz)/beta (15-25 Hz) band suppression in an action observation-execution paradigm. Materials and methods: Electrophysiological ...
Creep deformation simulation of adhesively bonded joints at different temperature levels using a modified power-law model

Paygozar, Bahman; Sadigh, Mohammad Ali Saeimi; da Silva, Lucas F. M.; Tahami, Farid Vakili (Elsevier Ltd, 2019)

Adhesively bonded joints are widely used in engineering domains due to their capability to withstand different thermal and mechanical loads. In this paper, creep deformations of double lap adhesive joints under mechanical ...
Computed torque control of an aerial manipulation system with a quadrotor and a 2-DOF robotic arm

Arıkan, Kutluk Bilge; Turgut, Ali Emre; Bulut, Nebi (SciTePress, 2019)

This paper presents the control of an aerial manipulation system with a quadrotor and a 2-DOF robotic arm by using the computed torque control method. The kinematic and dynamic model of the system is obtained by modeling ...
Evaluation of the Disturbance Rejection Performance of an Aerial Manipulator

Arıkan, Kutluk Bilge; Aydemir, Mete (Springer Netherlands, 2019)

This study mainly focuses on the control of a hexacopter platform that is equipped with a two degree-of-freedom robot arm. The designed control system rejects the disturbances to the attitude dynamics of the hexacopter ...
Flow Correction Control with Electromagnetically Induced Preform Resting Process

Poorzeinolabedin, Mohsen; Parnas, Kemal Levend (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2019)

Resin flow correction control with electromagnetic field source, a new variation of the vacuum-assisted resin transfer molding (VARTM) process called electromagnetically induced preform resting (EIPR) for dynamical resin ...
Delamination analysis of tapered composite laminates using cohesive elements

Parnas, Kemal Levend; Dashatan, Saeid Hosseinpour; Coker, Demirkan (2019)

In this study, the initiation and propagation of delamination in tapered composite laminates are investigated using a finite element modelling with cohesive zone. The structural model with several drop-offs is assumed to ...
Interlaminar tensile strength of different angle-ply CFRP composites

Parnas, Levend; Yavuz, Burak Ogün; Çöker, Demirkan (Elsevier B.V., 2019)

Due to high specific strength and modulus requirements, demand for the use of polymer-based composites in structural applications has been increasing more than ever. On the other hand, their interlaminar properties are ...
Simulation of drop-weight impact test on composite laminates using finite element method

Parnas, Levend; Bozkurt, Miraç Onur; Çöker, Demirkan (Elsevier B.V., 2019)

This study presents the simulation of standard drop-weight impact test on a [0/90/0]s composite laminate. For this purpose, a three-dimensional virtual test setup is developed in ABAQUS/Explicit finite element tool. ...
Investigating energy absorption accessible by plastic deformation of a seismic damper using artificial neural network

Paygozar, Bahman (Elsevier B.V., 2019-08)

In this study a seismic damper of high-rise structures is analyzed parametrically using artificial neural network (ANN). The input data for ANN model was generated using experimentally validated finite element (FE) analyses. ...
A new hybrid energy absorption mechanism subjected to axial loading

Bahman, Paygozar; Mohammad Ali, Saeimi Sadigh (JOURNAL OF CENTRAL SOUTH UNIV, EDITORIAL OFF, CHANGSHA, CHINA MAINLAND, HUNAN 410083, PEOPLES R CHINA, 2020)

This study aims to introduce a novel hybrid design with a combination of two more common mechanisms for improving the capacity of systems in absorbing the kinetic energy of moving vehicles or devices. This new model consists ...

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