Browsing by Author "Araz, Onur"
Now showing items 1-19 of 19
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A comparative study to determine seismic response of the box culvert wing wall under influence of soil-structure interaction considering different ground motions
Öztürk, Kaşif Turan; Çakır, Tufan; Araz, Onur (ELSEVIER SCI LTD, 2022)The present study deals with evaluation of the effects of different ground motions, backfill-structure interaction (BSI) and soil-structure interaction (SSI) on dynamic response of a box culvert wing wall. In obtaining ... -
Design of series tuned mass dampers for seismic control of structures using simulated annealing algorithm
Araz, Onur; Kahya, Volkan (Springer, 2021)The effectiveness of the series tuned mass dampers (STMDs) in reducing the dynamic vibrations of the structures under the ground motion is investigated, and their optimum parameters are obtained based on the simulated ... -
Effect of detuning conditions on the performance of non-traditional tuned mass dampers under external excitation
Araz, Onur (Springer, 2020)The tuned mass damper (TMD) is a widely used passive control device which is attached to a main system to suppress undesired vibration. In this paper, a non-traditional form of TMD system is investigated. Unlike the ... -
Effect of different objective functions on control performance of tuned mass damper for a high-rise building considering soil–structure interaction
Araz, Onur; Ozturk, Kasif Furkan; Cakir, Tufan (Springer Science and Business Media Deutschland GmbH, 2022)This paper deals with the optimization of the tuned mass damper (TMD) with different objective functions for high-rise building under earthquake motions considering soil–structure interaction (SSI). A study is conducted ... -
Effect of earthquake frequency content on seismic-induced vibration control of structures equipped with tuned mass damper
Araz, Onur; Cakir, Tufan; Ozturk, Kasif Furkan (SPRINGER HEIDELBERG, 2022)The main goal of this paper is to investigate the influence of the earthquake frequency content on the optimization of tuned mass damper (TMD) for multi-story buildings. Earthquake frequency content is divided into three ... -
Effect of foundation embedment ratio in suppressing seismic-induced vibrations using optimum tuned mass damper
Araz, Onur; Cakir, Tufan; Ozturk, Kasif Furkan; Kaya, Dilek (Elsevier Ltd, 2023)Tuned mass damper (TMD), which is used in structures to mitigate the dynamic responses caused by environmental loads, is tuned according to the dominant frequency of the structures. The dominant frequency of structure built ... -
Influences of Wall Configurations on Earthquake Behavior of Cantilever Retaining Walls Considering Soil-Structure Interaction Effects
Cakir, Tufan; Ozturk, Kasif Furkan; Araz, Onur (World Scientific, 2023)Cantilever walls are frequently and necessarily built not only in earthquake prone regions but also on different foundation subsoils with various physical and mechanical characteristics. The response of these structures ... -
Optimization of multiple tuned mass dampers for a two-span continuous railway bridge via differential evolution algorithm
Araz, Onur; Kahya, Volkan (Elsevier Ltd, 2022)The study aims at proposing a methodology for optimization of multiple tuned mass dampers (MTMD) in reducing the multi-resonance vibrations of continuous bridges due to moving train loads. The equations of motion for ... -
Optimization of three-element tuned mass damper based on minimization of the acceleration transfer function for seismically excited structures
Araz, Onur (SPRINGER HEIDELBERG, 2022)The three-element tuned mass damper (T-TMD) is an effective passive control device for single-degree of freedom structures due to harmonic external force. Unlike previous studies, this study aims at proposing a methodology ... -
Optimization of tuned mass damper inerter for a high-rise building considering soil-structure interaction
Araz, Onur (SPRINGER, 2022)The dynamic responses of the buildings and the optimum parameters of tuned mass damper inerter (TMDI) may change significantly when soil-structure interaction (SSI) is considered. Thus, it is necessary to consider the ... -
Optimization of tuned mass damper inerter for a high-rise building considering soil-structure interaction
Araz, Onur (Springer Science and Business Media Deutschland GmbH, 2022)The dynamic responses of the buildings and the optimum parameters of tuned mass damper inerter (TMDI) may change significantly when soil-structure interaction (SSI) is considered. Thus, it is necessary to consider the ... -
Optimum tuned tandem mass dampers for suppressing seismic-induced vibrations considering soil-structure interaction
Araz, Onur; Farsangi, Ehsan Noroozinejad (ELSEVIER SCIENCE INC, 2023)In recent studies, it has been stated that tuned tandem mass dampers (TTMD) will be a practical mechanical solution to reduce the dynamic responses of structures under seismic excitations. However, since TTMD is tuned based ... -
RESONANT VIBRATIONS OF TWO-SPAN RAILWAY BRIDGES UNDER HIGH-SPEED TRAINS
Kahya, Volkan; Araz, Onur; Turan, Muhittin (Yildiz Technical Univ, 2015)In this study, resonant vibrations of two-span railway bridges subjected to high-speed trains (HSTs) are studied. The continuous beam is modelled by using Bernoulli-Euler beam theory, and the train is considered as a series ... -
Seismic-induced vibration control of a multi-story building with double tuned mass dampers considering soil-structure interaction
Araz, Onur; Elias, Said; Kablan, Feyza (ELSEVIER SCI LTD, 2023)This paper presents a methodology for the optimization of double tuned mass dampers (TMDs) positioned on the top floor of a multi-story building subjected to ground motions considering soil-structure interaction (SSI). In ... -
A SEQUENTIAL APPROACH BASED DESIGN OF MULTIPLE TUNED MASS DAMPERS UNDER HARMONIC EXCITATION
Kahya, Volkan; Araz, Onur (Yildiz Technical Univ, 2019)This study evaluates the response reduction effect of single-degree-of-freedom (SDOF) primary systems with multiple tuned mass dampers (MTMDs) under harmonic excitation. To design MTMD, TMD properties are re-calibrated ... -
Series tuned mass dampers in train-induced vibration control of railway bridges
Kahya, Volkan; Araz, Onur (Techno-Press, 2017)This paper presents the series multiple tuned mass dampers (STMDs) to suppress the resonant vibrations of railway bridges under the passage of high-speed trains (HSTs). A STMD device consisting of two spring-mass-damper ... -
Series tuned mass dampers in vibration control of continuous railway bridges
Araz, Onur; Kahya, Volkan (Techno-Press, 2020)This paper presents the applicability of series tuned mass dampers (STMDs) to reduce the multiple resonant responses of continuous railway bridges under high-speed train. The bridge is modeled by two-span Bernoulli-Euler ... -
A simple design method for multiple tuned mass dampers in reduction of excessive vibrations of high-speed railway bridges
Kahya, Volkan; Araz, Onur (Gazi Univ, Fac Engineering Architecture, 2020)In this study, a simple method is proposed to obtain the optimum design parameters of vibration absorbers consisting of several tuned mass damper units connected each other in parallel. The method is essentially the extension ... -
TAŞIT-KÖPRÜ ETKİLEŞİMİNİN KÖPRÜLERİN DİNAMİK DAVRANIŞI ÜZERİNDEKİ ETKİSİ
Araz, Onur (2021)Bu çalışmada, tek açıklıklı köprülerin hareketli asılı kütle etkisindeki dinamik davranışı incelenmiştir. Ele alınan probleme ait hareket denklemi değişken katsayılı kısmi türevli diferansiyel denklem şeklinde elde edilmiş ...
