Department of Aerospace Engineering, Article

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Recent Submissions

Effect of microdamage on the failure of open-hole UD GFRP laminates: A combined experimental and numerical study Şener, Özgün; Kayran, Altan (2026-02-01) The effect of microdamaging on the failure of unidirectional Interglas 92145/CR80 GFRP laminates is studied through experiments and a numerical approach combining Enhanced Schapery Theory (EST) and Crack Band Theory (CBT)....
An adaptive phase field model for high cycle fatigue analysis across specimen geometries Chen, Guangxu; Erdoğan, CAN; Yalçınkaya, Tuncay; Wang, Xianqiao; Tang, Keke (2025-12-01) High cycle fatigue behavior of components with notches and cracks, which are common in engineering applications, is significantly influenced by geometrical size effect and complicates accurate fatigue life prediction. Trad...
Analysis of the size effect in the nanoscratching process of single crystalline and polycrystalline materials Günay, Enes; Yalçınkaya, Tuncay (2025-12-01) In tribology, nanoscratch testing is used to evaluate the mechanical and tribological properties of materials by employing a nanoscale indenter. At this scale, size-dependent plasticity effects, particularly those related ...
Post heat treatment optimization of cold spray additive manufactured Inconel 718 Karakas, Aptullah; Ataee, Arash; Rathi, Amit; Fenercioglu, Tevfik Ozan; Erdoğan, Can; Yalçınkaya, Tuncay (2025-12-01) The cold spray technique has recently emerged as an additive manufacturing method for producing free-standing parts, in addition to its use in repair and coating applications. Manufacturing relatively hard alloys such as I...
Trajectory tracking controller design and simulation of a tethered aircraft Onen, Anil Sami; Tekinalp, Ozan (2025-11-11) This study addresses the control problem of an airborne wind energy aircraft, generating power on the ground. The proposed control tracks a pre-defined trajectory in the power generation phase. The reference attitude infor...
Explicit Crystal Plasticity Modeling of Texture Evolution in Nonlinear Twist Extrusion Şimşek, Ülke; Miyamoto, Hiroyuki; Yalçınkaya, Tuncay (2025-11-01) The Nonlinear Twist Extrusion (NLTE) method, a novel severe plastic deformation (SPD) technique, aims to enhance grain refinement and achieve a more uniform plastic strain distribution. Grain size and its uniform distribut...
Accurate Computation of Multiphase Flows with high-density and pressure ratios using Smoothed Particle Hydrodynamics ERBAŞ, MURAT; Atcı, Metehan; Karaca, Mehmet; BIYIKOĞLU, ATİLLA (2025-10-30) This article discusses the applications of the smoothed particle hydrodynamics (SPH) methods to propose adaptations for compressible flow problems, particularly with discontinuities: shock tube, cavitation shock tube, and ...
Thrust Aerodynamics of Tractor/Pusher Tandem NACA0012 Airfoils at Low Reynolds Numbers Anılır, Berkan; Kurtuluş, Dilek Funda; Platzer, Max F. (2025-10-10)
A New Methodological Approach to the Reachability Analysis of Aerodynamic Interceptors Bayoğlu Akalın, Tuğba; Akalın, Gökcan; Kutay, Ali Türker (2025-08-01) Advanced air defense methods are essential to address the growing complexity of aerial threats. The increasing number of targets necessitates better defensive coordination, and a promising strategy involves the use of inte...
Surrogate-Based Deep Reinforcement Learning for Active Flow Control on Slender Bodies Arslan, Kivanc; Özgen, Serkan (2025-07-23) Slender bodies are a fundamental element in the design of aerospace vehicles for a wide range of applications. This study investigates the application of active flow control to manage asymmetric vortex-induced side forces ...
Stress state dependent phase field modeling of ductile fracture Erdoğan, Can; Yalçınkaya, Tuncay (2025-07-01)
Microstructure Based Analysis of Plasticity and Failure of Dual Phase Steels Çelikses, Eren; Yelek, İbrahim; Özdemir, Merthan; Yalçınkaya, Tuncay (2025-07-01)
Stress state dependent phase field modeling of ductile fracture Yücel, Iremnaz; Erdoğan, Can; Yalçınkaya, Tuncay (2025-07-01)
An experimental investigation of the effects of a boundary layer inflow on the wake characteristics of a model wind turbine and a porous disk Öztürk, Buğrahan; Hassanein, Abdelrahman; Akpolat, M. Tuğrul; Abdulrahim, Anas; Perçin, Mustafa; Uzol, Oğuz (2025-07-01) This paper presents the results of an experimental study that focuses on the details of the wake development characteristics of a model wind turbine and a porous disk under boundary layer inflow conditions. Measurements ar...
Error Covariance Analyses for Celestial Triangulation and Its Optimality: Improved Linear Optimal Sine Triangulation Muratoğlu, Abdurrahim; Söken, Halil Ersin; Soergel, Uwe (2025-04-01) This study presents an improved methodology for celestial triangulation optimization in spacecraft navigation, addressing limitations in existing approaches. While current methods like Linear Optimal Sine Triangulation (LO...
Investigation of Variable Taper Angle Design in Highly Tapered Laminates for Delaying Delamination Ergin, Fırat; Kayran, Altan (2025-03-01) Specific requirements in aircraft components may necessitate the use of high taper angles in the thickness transition region of composite laminates, leading to early delamination initiation at the thin side of the taper re...
A Data-Driven Approach for the Prediction of Reynolds Number Effects on Wind Turbine Airfoil Aerodynamic Polars Özgören, Ahmet Can; Uzol, Oğuz (2025-03-01) This study presents a data-driven approach to extrapolate and predict Reynolds number effects on wind turbine airfoil polars. For this purpose, a database is created using experimentally obtained aerodynamic coefficients f...
Visual Navigation for Lunar Missions Using Sequential Triangulation Technique Muratoğlu, Abdurrahim; Söken, Halil Ersin; Tekinalp, Ozan (2025-03-01) A vision-aided autonomous navigation system for translunar missions based on celestial triangulation (Earth and Moon) is proposed. Line-of-Sight (LoS) vectors from the spacecraft to celestial bodies, retrieved using epheme...
Comparative Aerodynamic Analysis and Parallel Performance of 2D CFD Simulations of a VAWT Using Sliding Mesh Interface Method Önel, Hüseyin Can; Adam, Ali Ata; Sezer Uzol, Nilay (2025-02-01) With rapid advancements in computer hardware and numerical modeling methods, Computational Fluid Dynamics (CFD) has gained prominence in simulating complex flows. As parallel computation becomes an industry standard, the c...
Artificial neural network for the evaluation of electric propulsion system in unmanned aerial vehicles Goli, Srikanth; Kurtuluş, Dilek Funda; Waqar, Muhammad; Imran, Imil Hamda; Alhems, Luai M.; Kouser, Taiba; Memon, Azhar M. (2025-01-01) In the domain of unmanned aerial vehicles (UAVs), evaluating electric propulsion systems is pivotal for enhancing performance and efficiency. This study employs a scaled conjugate gradient (SCG) algorithm to train an artif...

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