Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Merdan, Mehmet(9)
- Anaç, Halil(3)
- Öztürk, Serkan(3)
- Açikgöz, Pınar(2)
- Beki̇Ryazici, Zafer(2)
- Kesemen, Tülay(2)
- Terhan, Meryem(2)
- Yüksek, Halil İbrahim(2)
- Abak, Sena Saliha(1)
- Araz, Onur(1)
- Ari̇Foğlu, Uğur(1)
- Beker, Yasemin(1)
- Bingöl, Özkan(1)
- Bi̇Ngöl, Özkan(1)
- Boynueğri̇ Kaplan, Emine(1)
- Cakir, Tufan(1)
- Dedeturk, Mutlu(1)
- Demir, Yasin(1)
- Ertekin, Özteki̇N(1)
- Gerdan, Serpil(1)
- Güngör, Okan(1)
- Kahya, Volkan(1)
- Kaya, Aynur(1)
- Necati, Çeli̇K(1)
- Ozturk, Kasif Furkan(1)
- Pehlıvan, Levent(1)
- Sari, Mahmut(1)
- Yalcin, Numan(1)
- Öktem, Selami(1)
- Şengül, Süleyman(1)
- Şişman, Şeyma(1)
- Şi̇Şman, Şeyma(1)
- Şüküroğlu, Ebru Emine(1)
Yayınlar
- MakaleYalnız künye2019A SEQUENTIAL APPROACH BASED DESIGN OF MULTIPLE TUNED MASS DAMPERS UNDER HARMONIC EXCITATION
Kahya, Volkan; Araz, Onur
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 based on the natural frequencies of the system on which the number of TMDs is one less than the current system. This is a sequential approach that does not require any iteration for each step. Instead it requires starting from the case with single TMD, and then increasing the numbers of TMDs one more at a time until the desired number is reached. Using the obtained design parameters, the effectiveness and robustness of the MTMDs are studied in comparison to MTMDs designed by previous works available in the literature. As a result, the proposed design procedure produces an effective multiple tuned mass damper to be utilized in a SDOF system under harmonic excitation. Additionally, the proposed approach provides a simple way to design the MTMD system than the traditional optimization methods, thus it significantly reduces the computation effort in the design process.
- MakaleYalnız künye2019THE NEW SUMUDU TRANSFORM ITERATIVE METHOD FOR STUDYING THE RANDOM COMPONENT TIME-FRACTIONAL KLEIN-GORDON EQUATION
Merdan, Mehmet; Anaç, Halil; Kesemen, Tülay
In this study, the solutions of the random component time-fractional Klein-Gordon equation is obtained as approximately or exactly. The initial condition of this Klein-Gordon equation is studied by Gamma distribution. The fractional derivatives are defined in the Caputo sense. An example is shown to illustrate the influence of the solutions obtained by the new Sumudu transform iterative method (NSTIM). The expected value and variance of these solutions of this Klein-Gordon equation are obtained. The approximate analytical solution of this equation obtained by NSTIM and VIM are compared. NSTIM is applied to analyze the solution of this equation. Solution and figures are obtained by using MAPLE software. The formulas for the expected values and variances and results from the simulations of this Klein-Gordon equation are compared and the efficiency of this method is investigated.
- MakaleYalnız künye2019A STUDY ON THE CHARACTERISTICS OF GÜMÜŞHANE SEISMICITY: ANALYSES OF REGION-TIME PARAMETERS
Öztürk, Serkan; Kaya, Aynur
The proposed study is focused on the identification of region-time characteristics of earthquakes in Gümüşhane, Turkey. Detailed statistical evaluations were achieved by considering the most frequently used size-scaling parameters such as seismotectonic b-value, fractal dimension Dc-value, standard normal deviate Z-value and recurrence time of earthquakes. Used earthquake catalog is homogeneous for duration magnitude, Md, and consists of 2902 shallow earthquakes with 1.0≤Md≤6.5 in about 47.76-years period between 1970 and middle of 2018. b-value is computed as 1.02±0.02 with a completeness level of 2.8, and this result indicates that frequency-magnitude distribution of seismicity in Gümüşhane is well represented with a b-value typically close to 1.0. Dc-value is calculated as 1.57±0.03 with a scale invariance between 4.96 and 86.28 km. This Dc-value means that seismic activity is more clustered in smaller areas or at larger scales in Gümüşhane. The analysis on the recurrence times of earthquakes implies that Gümüşhane has not a significant earthquake potential for the great earthquakes. Regional variation of b-value shows that small bvalues were observed in and around Kelkit and Köse, and these regions may have a possible earthquake hazard and risk in the future. Z-value analysis suggests that there are not noticeable seismicity rate changes in the mid-2018. These statistical results indicate that the seismic hazard is low and seismic risk is minor in the intermediate term in Gümüşhane.
- DergiSigma Journal of Engineering and Natural Sciences