Hasan Nevzat Özgüven

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ozguven@metu.edu.tr
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Experimental Modal Analysis of Nonlinear Amplified Piezoelectric Actuators by Using Response‑Controlled Stepped‑Sine Testing
Koyuncu, Anıl; Karaağaçlı, Taylan; Şahin, Melin; Özgüven, Hasan Nevzat (2022-08-01)
Experimental Modal Analysis of Geometrically Nonlinear Structures by Using Response-Controlled Stepped-Sine Testing
Karaağaçlı, Taylan; Özgüven, Hasan Nevzat (2022-01-01)
© 2022, The Society for Experimental Mechanics, Inc.The everlasting competition in the industry to achieve higher performance in aircraft, satellites, and wind turbines encourages lightweight design more than ever, which e...
Experimental Quantification and Validation of Modal Properties of Geometrically Nonlinear Structures by Using Response-Controlled Stepped-Sine Testing
Karaagacli, T.; Özgüven, Hasan Nevzat (2021-10-01)
Background Various nonlinear system identification methods applicable to distributed nonlinearities have been developed over the last decade. However, many of them are not eligible to accurately quantify a high degree of n...
Ideal tooth profile modifications for improving nonlinear dynamic response of planetary gear trains
Ozturk, Veysel Yalin; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (2021-05-01)
The ultimate goal in this study is to investigate the effects of tooth profile modifications (TPMs) on PGTs by performing parametric studies. For this purpose, firstly a nonlinear planetary gear dynamics model with time-va...
Obituaries: Ahmet ACAR
Özgüven, Hasan Nevzat; Oran, Adil; Sargın, Güven Arif; Pamir, Haluk; Özgenel, Lale; Savaş Sargın, Ayşen; Atalay, Mehmet Volkan; Güner, Zehra Nuray; Onay, Lamia Zeynep (Orta Doğu Teknik Üniversitesi (Ankara, Turkey), 2021-1-01)
Experimental modal analysis of nonlinear systems by using response-controlled stepped-sine testing
Karaağaçlı, Taylan; Özgüven, Hasan Nevzat (Elsevier BV, 2021-1)
Although the identification and analysis of structures with a localized nonlinearity, either weak or strong, is within reach, identification of multiple nonlinearities coexisting at dif- ferent locations is still a challen...
3D linear identification of mechanical joint using FRF decoupling and inverse structural modification methods
Soleimani, Hossein; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (2021-01-01)
Copyright © 2021 by ASMEMechanical connections such as bolts and rivets are inevitable in most engineering structures and may significantly affect the dynamic behavior of the structures. Therefore, modeling a joint simply ...
A frequency domain nonparametric identification method for nonlinear structures: Describing surface method
Karaagacli, Taylan; Özgüven, Hasan Nevzat (Elsevier BV, 2020-10-01)
In this paper a new method called 'Describing Surface Method' (DSM) is developed for nonparametric identification of a localized nonlinearity in structural dynamics. The method makes use of the Nonlinearity Matrix concept ...
Integration of Parameter Sensitivity to Structural Optimization of Helicopter Rotors for Minimum Vibration
Bilen, Muhammed Emre; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (CRC, New York , 2020-10-01)
Helicopters are notorious for their high vibration levels and the rotor systems are the main contributors to the problem. Rotor vibrations can be minimized by optimizing the rotor structure. However, the result of the opti...
Integration of parameter sensitivity to structural optimization of helicopter rotors for minimum vibration
Bilen, Muhammed Emre; Ciğeroğlu, Ender; Özgüven, Hasan Nevzat (CRC, New York , 2020-10-01)
Helicopters are notorious for their high vibration levels and the rotor systems are the main contributors to the problem. Rotor vibrations can be minimized by optimizing the rotor structure. However, the result of the opti...
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