• Investigation of double-layered wavy microchannel heatsinks utilizing porous ribs with artificial neural networks 

  Aradag, Selin; Baghaei Oskouei, Seyedmohsen; Bayer, Özgür (Elsevier Ltd, 2022-05)

  Microchannel heatsinks with porous media, wavy and multi-layered configurations introduce compact designs and high efficiencies in cooling applications. Current Computational Fluid Dynamics (CFD) based study bridges the ...
• Inverse design of ultra-compact photonic gates for all-optical logic operations 

  Turduev, Mirbek; Kurt, Hamza; Neşeli, Berkay; Yilmaz, Yusuf Abdulaziz (IOP Publishing Ltd, 2022-05-26)

  Logic gates have great importance in realization of rapid data transmission as well as low loss transfers. In this paper, a multi-objective inverse-design approach is implemented by using objective-first algorithm to design ...
• Risk-averse hub location: Formulation and solution approach 

  Kargar, Kamyar; Mahmutoğulları, Ali İrfan (Elsevier Ltd, 2022-07)

  In this study, we present risk-neutral and risk-averse two-stage stochastic formulations for the uncapacitated multiple allocation p-hub median problem and discuss the impact of risk-aversion on the optimal solution. ...
• Vehicle Swarm Platooning as Differential Game 

  Yıldız, Aykut; Jond, Hossein B. (Institute of Electrical and Electronics Engineers Inc., 2021-12-10)

  Platooning is the desired group driving behavior of connected and autonomous vehicles on roads. As a platoon, autonomous vehicles by synchronizing their speed, maintain shorter headway and inter-vehicle distance. Platooning ...
• The Samos Island (Aegean Sea) M7.0 earthquake: analysis and engineering implications of strong motion data 

  Kale, Özkan; Askan, Ayşegül; Gülerce, Zeynep; Roumelioti, Zafeiria; Sotiriadis, Dimitris; Melis, Nikolaos S.; Altındal, Abdullah; Akba, Burak; Sopacı, Eyüp; Karimzadeh, Shaghayegh; Kalogeras, Ioannis; Theodoulidis, Nikolaos; Konstantinidou, Kiriaki; Özacar, A. Arda; Margaris, Basil (SPRINGERVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2021-11)

  We present a dataset of 77 strong ground motion records within 200 km epicentral distance from the 30 October 2020, M7.0 Samos Island (Aegean Sea) earthquake, which affected Greece and Turkey. Accelerograms from National ...
• Snake Detection and Blurring System to Prevent Unexpected Appearance of Snake Images on Visual Media Sources Using Deep Learning 

  Yılmaz, Gökçe Nur; Tekgül, Selay (İzmir Katip Çelebi Üniversitesi, 2021-12-30)

  This paper proposes an object detection and blurring system using deep learning especially for the detection of snake images since while some of the people does not care about the appearance of the snake images on the ...
• Signal-to-noise ratio with adaptive optics compensation in non-Kolmogorov weak turbulent atmosphere 

  Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (TAYLOR & FRANCIS LTD2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2021-07)

  This study investigates the average signal-to-noise ratio < SNR > at the shot-noise limited receiver of an optical wireless communication system (OWC) that uses collimated Gaussian beam with adaptive optics correction in ...
• SHREC'21: Quantifying shape complexity[Formula presented] 

  Gençtav, Aslı; Arslan, Mazlum Ferhat; Haridis, Alexandros; Rosin, Paul L.; Tari, Sibel; Brassey, Charlotte A.; Gardiner, James D.; Gençtav, Murat (Elsevier Ltd, 2022-02)

  This paper presents the results of SHREC'21 track: Quantifying Shape Complexity. Our goal is to investigate how good the submitted shape complexity measures are (i.e. with respect to ground truth) and investigate the ...
• Role Detection and Prediction in Dynamic Political Networks 

  Gençtav, Aslı; Evans, Emily J.; Guo, Weihong; Tari, Sibel; Domeniconi, Carlotta; Murillo, Anarina L.; Chuang, Julia; AlSumait, Loulwah; Mani, Priya; El-Zehiry, Noha Youssry (Springer Science and Business Media Deutschland GmbH, 2021)

  The interaction of users, either online or in real-life, can be modeled via a network (or graph). In such networks, users engage in activities and take on specific roles. Users who manifest similar structural and connectivity ...
• PlaySAFe: Results from a Virtual Reality Study Using Digital Game-Based Learning for SAFe Agile Software Development 

  Güleç, Ulaş; Clarke, Paul M.; Yılmaz, Murat; O’Farrell, Emer (Springer Science and Business Media Deutschland GmbH, 2021-09-01)

  A common strategy to train software practitioners in agile frameworks is to have employees undertake classroom-based training. However, due to its nature, participants are lectured for a scheduled time-line with little ...
• Performance of M-ary pulse position modulated optical wireless communications systems in the marine atmosphere 

  Gökçe, Muhsin C.; Ata, Yalçın; Baykal, Yahya (OPTICAL SOC AMER2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036, 2021-03-10)

  The marine atmosphere exhibits different turbulence spectrum characteristics when compared to the turbulence spectra of the land atmosphere and underwater medium. The performance of M-ary pulse position modulated (PPM) ...
• Opinion dynamics of stubborn agents under the presence of a troll as differential game 

  Yıldız, Aykut; Özgüler, Bülent (Turkiye Klinikleri, 2021)

  The question of whether opinions of stubborn agents result in Nash equilibrium under the presence of troll is investigated in this study. The opinion dynamics is modelled as a differential game played by n agents during a ...
• Numerical and experimental demonstration of inverse designed low-index polarization-insensitive wavelength demultiplexer 

  Yıldırım, Bumin Kağan; Turduev, Mirbek; İçli, Abdullah Bera; Alpkılıç, Ahmet Mesut; Yılmaz, Yusuf Abdulaziz; Kurt, Hamza (IOP PUBLISHING LTDTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2021-12-16)

  The computational inverse design has paved the way for the design of highly efficient, compact, and novel nanophotonic structures beyond human intuition and trial-and-error approaches. Apparently, with nanophotonic design ...
• Impact of Critical Node Failures on Lifetime of UWSNs with Incomplete Secure Connectivity 

  Yıldız, Hüseyin Uğur; Un, Burak Emre; Tavlı, Bülent (Institute of Electrical and Electronics Engineers Inc., 2021)

  Underwater wireless sensor networks (UWSNs) are, typically, comprised of sparsely deployed sensor nodes in hostile areas. Security of data flows among nodes are established by encryption of data packets, however, due to ...
• Hibrit Sismik Sönümleyicinin Enerji Emilimi Üzerindeki Etkilerin İncelenmesi 

  Dizaji, Shahram A.; Paygozar, Bahman; Bağbaşı, Aysen Suheyla; Ersan, Yağmur (Makina Tasarım ve İmalat Derneği, 2021)

  Bu makalede, hibrit sismik sönümleyici tanıtılarak iki enerji soğurma sistemi, (iç sistem ve dış sistem) arasındaki boşluğun boyutuna göre verimliliği incelenmiştir. Birbirlerine bir kol yardımı ile bağlı olan bu sistemler ...
• Gender Classification from Eye Images by Using Pretrained Convolutional Neural Networks 

  Çimtay, Yücel; Yılmaz, Gökçe Nur (ISRES Organizasyon Turizm Eğitim Danışmanlık Ltd. Şti., 2021-12-31)

  Automatic gender classification from face images has been a popular topic among researchers for a decade. Feature extraction and classification methods are very important to create a successful automatic classification ...
• Frequency Containment Control of Hydropower Plants Using Different Adaptive Methods 

  Taşçıoğlu, Yiğit; Gezer, Doğan; Çelebioğlu, Kutay (MDPIST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2021-04)

  With the growth in the share of variable renewable energy sources, fluctuations in the power generation caused by these types of power plants can diminish the stability and flexibility of the grid. These two can be enhanced ...
• Enhancing VR experience with RBF interpolation based dynamic tuning of stereoscopic rendering 

  Çapın, Tolga K.; Avan, E.; Gurcay, H.; Çelikcan, U. (Elsevier Ltd, 2022-02)

  Providing a depth-rich Virtual Reality (VR) experience to users without causing discomfort remains to be a challenge with today's commercially available head-mounted displays (HMDs), which enforce strict measures on ...
• Effects of adaptive optics on bit error rate of M-ary PPM oceanic optical wireless communication systems with aperture averaging in strong turbulence 

  Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (IOP PUBLISHING LTDTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2021-11)

  Scintillation is the result of oceanic turbulence reducing the bit error rate (BER) performance of oceanic optical wireless communication (OWC) systems. The scintillation, also known as intensity fluctuations, occurs due ...
• Dot-shaped 3d range-angle dependent beamforming with discular frequency diverse array 

  Akkoç, Ahmet Eren; Afacan, Erkan; Yazgan, Erdem (Institute of Electrical and Electronics Engineers Inc., 2021)

  A frequency diverse array (FDA) concept has drawn substantial attention in recent years because of its particular range-angle-dependent beam pattern. This interesting feature promises new opportunities and capabilities for ...

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