Department of Aerospace Engineering, Article

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Recent Submissions

Characterization of Squeeze Film Damping in Force Rebalance Accelerometers Ozmen, Hasan Baran; Şahin, Melin; Özgen, Gökhan Osman (2026-04-01) Force rebalance-type accelerometers are mainly used in inertial navigation systems of aircraft, and the characterization of the resulting squeeze film damping (SFD) is essential for estimating dynamic response characterist...
From resin-level screening to laminate-level response: Mechanical and fracture behavior of GFRP laminates with a nanomodified epoxy Şener, Özgün; Ergin, Fırat; Dericioğlu, Arcan Fehmi; Kayran, Altan (2026-04-01)
Data-driven thrust prediction for UAV powertrains using artificial neural networks Goli, Srikanth; Kurtuluş, Dilek Funda; Waqar, Muhammad; Imran, Imil Hamda; Kouser, Taiba; Memon, Azhar M.; Alhems, Luai M. (2026-04-01) This study develops an Artificial Neural Network (ANN)-based model to predict thrust in electric powertrain systems of Unmanned Aerial Vehicles (UAVs), aiming to reduce dependence on extensive experimental testing. Traditi...
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)....
Transitional separated flow over low-aspect-ratio NACA0012 wings Anılır, Berkan; Kouser, Taiba; Kurtuluş, Dilek Funda; Goli, Srikanth; Sabih, Muhammad; Imran, Imil Hamda; Memon, Azhar; Alhems, Luai M. (2026-01-01) Three-dimensional transitional separated flow over low-aspect-ratio NACA0012 wings (semi-aspect ratios of sAR = 1 and 2) is numerically investigated at Reynolds numbers of 1 × 104 and 4 × 104, across a range of angles of a...
Computational investigation of low-Reynolds-number unsteady flows past NACA 0012 Güney, Mertcan; Anılır, Berkan; Kurtuluş, Dilek Funda (2026-01-01) The aerodynamic characteristics of airfoils are significantly governed by the Reynolds number, particularly in the low Reynolds number regime (Re < 1 × 105), where viscous forces predominate over inertial forces, promoting...
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...
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...
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 ...
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)
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...
Stress state dependent phase field modeling of ductile fracture Yücel, Iremnaz; Erdoğan, Can; Yalçınkaya, Tuncay (2025-07-01)
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...

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