Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Artar, Musa(9)
- Öner, Erdal(6)
- Yaylacı, Murat(5)
- Birinci, Ahmet(4)
- Daloğlu, Ayşe T.(3)
- Daloʇlu, Ayşe T.(3)
- Yaylacı, Ecren Uzun(3)
- Yurdakul, Muhammet(3)
- Adıyaman, Gökhan(2)
- Ates, Sevket(2)
- Turan, Muhittin(2)
- Özdemir, Mehmet Emin(2)
- Abushattal, Ahmad(1)
- Ay, Sevil(1)
- Aydoğan, Ayşe N.(1)
- Bekdaş, Gebrail(1)
- Catar, Recep(1)
- Daloglu, Ayse T.(1)
- Düzgün, Oğuz A.(1)
- Ergun, Mustafa(1)
- Ergün, Mustafa(1)
- Hatipoğlu, Yavuz S.(1)
- Kahya, Volkan(1)
- Kiral, Adnan(1)
- Majidian, Sina(1)
- Tapkın, Serkan(1)
- Tayfur, Bilal(1)
- Temur, Rasim(1)
- Tercan, Emre(1)
- Toklu, Yusuf Cengiz(1)
- Tonyali, Zeliha(1)
- Yaylaci, Murat(1)
- Öztürk, Şevval(1)
Yayınlar
- MakaleYalnız künye2015Scopus SJRQ2Analytical solution of a contact problem and comparison with the results from FEM
Öner, Erdal; Yaylaci, Murat; Birinci, Ahmet
This paper presents a comparative study of analytical method and finite element method (FEM) for analysis of a continuous contact problem. The problem consists of two elastic layers loaded by means of a rigid circular punch and resting on semi-infinite plane. It is assumed that all surfaces are frictionless and only compressive normal tractions can be transmitted through the contact areas. Firstly, analytical solution of the problem is obtained by using theory of elasticity and integral transform techniques. Then, finite element model of the problem is constituted using ANSYS software and the two dimensional analysis of the problem is carried out. The contact stresses under rigid circular punch, the contact areas, normal stresses along the axis of symmetry are obtained for both solutions. The results show that contact stresses and the normal stresses obtained from finite element method (FEM) provide boundary conditions of the problem as well as analytical results. Also, the contact areas obtained from finite element method are very close to results obtained from analytical method; disagree by 0.03-1.61%. Finally, it can be said that there is a good agreement between two methods.
AtıfScopus84WoS84OpenAlex35
İncele - MakaleYalnız künye2013Scopus SJRQ2Analysis of trusses by total potential optimization method coupled with harmony search
Toklu, Yusuf Cengiz; Bekdaş, Gebrail; Temur, Rasim
Current methods of analysis of trusses depend on matrix formulations based on equilibrium equations which are in fact derived from energy principles, and compatibility conditions. Recently it has been shown that the minimum energy principle, by itself, in its pure and unmodified form, can well be exploited to analyze structures when coupled with an optimization algorithm, specifically with a meta-heuristic algorithm. The resulting technique that can be called Total Potential Optimization using Meta-heuristic Algorithms (TPO/MA) has already been applied to analyses of linear and nonlinear plane trusses successfully as coupled with simulated annealing and local search algorithms. In this study the technique is applied to both 2-dimensional and 3-dimensional trusses emphasizing robustness, reliability and accuracy. The trials have shown that the technique is robust in two senses: all runs result in answers, and all answers are acceptable as to the reliability and accuracy within the prescribed limits. It has also been shown that Harmony Search presents itself as an appropriate algorithm for the purpose.
AtıfScopus33WoS26OpenAlex26İncele - MakaleYalnız künye2011Scopus SJRQ1Modeling of triple concave friction pendulum bearings for seismic isolation of buildings
Yurdakul, Muhammet; Ates, Sevket
Seismic isolated building structures are examined in this study. The triple concave friction pendulum (TCFP) is used as a seismic isolation system which is easy to be manufactured and enduring more than traditional seismic isolation systems. In the TCFP, take advantage of weight which pendulum carrying and it's geometry in order to obtain desirable result of seismic isolation systems. These systems offer advantage to buildings which subject to severe earthquake. This is result of damping force of earthquake by means of their internal constructions, which consists of multiple surfaces. As the combinations of surfaces upon which sliding is occurring change, the stiffness and effective friction change accordingly. Additionally, the mentioned the TCFP is modeled as of a series arrangement of the three single concave friction pendulum (SCFP) bearings. A two dimensional- and eight- story of a building with and without isolation system are used in the time history analysis in order to investigate of the effectiveness of the seismic isolation systems on the buildings. Results are compared with each other to emphasize efficiency of the TCFP as a seismic isolation device against the other friction type isolation system like single and double concave surfaces. The values of the acceleration, floor displacement and isolator displacement obtained from the results by using different types of the isolation bearings are compared each other. As a result, the findings show that the TCFP bearings are more effective devices for isolation of the buildings against severe earthquakes.
AtıfScopus14OpenAlex12İncele - DergiComputers and Concrete
- DergiEarthquake and Structures
- DergiSteel and Composite Structures
- DergiAdvances in Nano Research
- DergiStructural Engineering and Mechanics