61 results for “numerical modeling”
Research Article
Open Access Usage of Numerical Analysis Programs in Geotechnical Engineering Applications
Zülal Akbay Arama, Akbay Arama Z
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
Recently, it is inevitable to use numerical analysis methods for several geotechnical engineering problems solution
due to the complexity of behavior characteristics of soil medium. In this study, numerical analysis methods that are used to obtain
numerical …
Research Article
Open Access 3B Süperiletken Tellerin Benzeşimi için Yeni ve Verimli Bir Sayısal Model
Fedai İnanır, İnanır F, Şükrü Yıldız, Yıldız Ş, Fedor Gömöry, Gömöry F
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
Maxwell denkleminin AV formülasyonu esas alınarak, zamana bağlı bir akım altında süperiletken telin elektromanyetik özelliklerini çözmek için yeni bir sayısal model geliştirilmiştir. Farklı akım genlikleri için alternatif akım (AA) kayıpları hesaplanmış ve iki…
Research Article
Open Access Numerical Modeling of Infilled Reinforced Concrete Frame and Its Verification
Vesile Hatun Akansel, Akansel V, Ahmet Yakut, Yakut A
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
Infill walls in reinforced concrete buildings produce a strong effect on the strength and deformation capacity of the buildings. In practice, a partial or full absence of infill walls at the first stories may become one of the reasons for vertical irregularity…
Research Article
Open Access Numerical and Analytical Analysis of Hertz Contact Pressure in ASTM G99 Wear Test
Esad Kaya, Kaya E, Koray Kılıçay, Kılıçay K, Mustafa Ulutan, Ulutan M
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
Contact pressure is very critical for wear test. In order to make true wear experiment, counter body, surface, wear load, surface roughness, and the hardness of materials should be selected correctly. Maximum contact pressure forms at hertz point. In this stud…
Research Article
Open Access Modeling of Micro Turning Process with Finite Elements Method and Selection of Suitable Material Model
Ahmet Hasçelik, Hasçelik A, Kubilay Aslantaş, Aslantaş K
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
Developing technology in the manufacturing industry and the requirement of high precision parts reveals micro machining. It is possible to produce workpieces both at high speed and with high precision by means of micro-mechanical machining.The finite element m…
Research Article
Open Access Numerical Simulation of A Cavitating Centrifugal Pump
Aydın Hacı Dönmez, Dönmez A, Zehra Yumurtacı, Yumurtacı Z, Levent Kavurmacıoğlu, Kavurmacıoğlu L
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
Current study is related with numerical simulation of a centrifugal pump impeller with the specific speed of nq=13. By the help of computational fluid dynamics (CFD) at different operating points, pump performance rsults (Head-Discharge graph) are obtained. Si…
Research Article
Open Access Numerical Modeling of A Francis Turbine Draft Tube Under Full and Partial Loads
Aydın Hacı Dönmez, Dönmez A, Levent Kavurmacıoğlu, Kavurmacıoğlu L, Zehra Yumurtacı, Yumurtacı Z
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
This study is related with numerical modeling of a Francis turbine draft tube. In order to reveal this relationship, a real Francis turbine model test results are used as inputs of the computational fluid dynamics (CFD) study. Firstly, the flow in divergent ch…
Research Article
Open Access GeoGebra ile Uygulama Oluşturma: Müller Yöntemi
İshak Cumhur, Cumhur İ
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
Bilgisayar programlama dilleri bir veya daha çok değişkene sahip denklemlerin çözümünde oldukça kullanışlı
yapılardır. Bu nedenle farklı algoritmalar oluşturulur ve denklemlerin yaklaşık çözümleri sayısal olarak elde edilir.
Denklemlerin çözümleri için yarıl…
Research Article
Open Access Farklı Şekillere Sahip Yüzeylerde Jet Akışın Isı Transferi ve Akış Yapısı Üzerindeki Etkisinin Araştırılması
Koray Karabulut, Karabulut K, Doğan Engin Alnak, Alnak D
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
Çarpan jetler, iyi bir ısı transferi performansı sağlamaları nedeniyle genellikle sanayide elektronik ekipmanların
ısıl problemlerini çözmek için kullanılırlar. Bu çalışmada, tek bir hava jeti akışı kullanılarak bir tarafı açık, üç tarafı
kapalıdikdörtgensel…
Research Article
Open Access Heuristic solution with similarity, affinities and projective transformation problems with Backtracing Search Algorithm (BSA)
Mehmet Akif Günen, Günen M, Pınar Çivicioğlu, Çivicioğlu P, Erkan Beşdok, Beşdok E
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
In this paper, three different types of coordinate transformations that are frequently used in geodetic applications are given the details of their application with evolutionary algorithms. Similarity (Helmert), Affin and Projective transformation models commo…
Research Article
Open Access Source Parameters for tsunami prone cities in Aegean Sea coastal areas of Turkey
Engin Ulutaş, Ulutaş E
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
This study was focused on earthquake induced tsunamis to prepare source parameters for accurate estimations of
what would be the maximum heights and the shortest time of the arrival of the tsunami waves in Aegean Sea coastal areas of
Turkey. Since the earthq…
Research Article
Open Access Determination of Priority Urban Elements for City Lighting Master Plan
Şeyma Mutlu, Mutlu Ş, Cüneyt Kutay, Kutay C
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
Urban illumination has great importance for reasons such as exhibiting the beauty of the city, facilitating night life,
emphasizing important functional, aesthetic, historical and social spaces and works of art in terms of the city, besides the city's
import…
Research Article
Open Access SOLVING A CLASS OF TRANSMISSION PROBLEMS BY THE DIFFERENTIAL TRANSFORM METHOD
Merve Yücel, Yücel M, Kadriye Aydemir, Aydemir K, O. Sh. MUKHTAROV , MUKHTAROV O
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
There are various numerical methods for solving many problems in
mathematical physics. The differential transform method (DTM) is one of the
numerical methods for solving ordinary and partial differential equations. The
concept of the differential transform…
Research Article
Open Access Tabanında Kare Orifis Bulunan Bir Tankın Boşalma Süresinin Deneysel ve Sayısal Analizi
Kardelen Duman, Duman K, Ada Yılmaz, Yılmaz A, Kaan Dal, Dal K, Hasan Güzel, Güzel H, Selahattin Kocaman, Kocaman S
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
In this study, the problem of discharging of the water in a rectangular tank from the orifice with square crosssection was investigated experimentally and numerically. Time evolution of the water level, obtained experimentally by using
image processing techni…
Research Article
Open Access Dam Break Flow Modelling over a Dry Bed in Rectangular Channel Using SWE
Selahattin Kocaman, Kocaman S, Cihat Ateş, Ateş C, Kaan Dal, Dal K
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
In this study, the problem of dam break wave propagation over a dry bed in a horizontal rectangular channel was
investigated. Dam break event was represented by a sudden removal of the plate which has water on the upstream side. The
experiment was recorded b…
Research Article
Open Access Optimal Active Power Flow Solution in Multi-terminal AC-DC Systems through Artificial Bee Colony Algorithm
Faruk Yalçın, Yalçın F, Sezgin Kaçar, Kaçar S, Uğur Arifoğlu, Arifoğlu U
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
This paper presents a different approach for the optimal active power flow solution in multi-terminal AC-DC systems to minimize total active power generation cost. System constraints for all of the control and state variables of both AC and DC systems are also…
Research Article
Open Access The Determination of Seismogenic Features of Faults by Using Geophysical and Geodetic Imaging Method for Forecast Earthquakes: North Anatolian Fault Zone Example
Şakir Şahin, Şahin Ş, Guoyan Jiang , Jiang G
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
Size of damage caused by an earthquake depends on the amount of energy released by the current stress accumulation of the active faults and the change over time. Stress accumulation on a fault occurs in two types. These are 1) the long-term tectonic movements …
Research Article
Open Access Finite Element Analysis of Stress in Superconducting Coil Stack Exposed to External AC Magnetic Field
Şükrü Yıldız, Yıldız Ş, Pelin Sarıcıoğlu, Sarıcıoğlu P, Fedai İnanır, İnanır F
Ist International Symposium on Innovative Approaches in Scientific Studies 2018
An analysis of mechanical stresses under an external AC magnetic field in a coil stack was performed using the finite element method solving "mechanical equilibrium equation" by Comsol Multihysics finite element software. A-V formulation has been used for the …
Research Article
Open Access Estimation of Electricity Consumption of Turkey by using ARIMA, Grey Model and Linear Regression Analysis
Zeynep Ceylan, Ceylan Z, Hakan Öztürk, Öztürk H, Birol Elevli, Elevli B
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
The successful estimation of future electricity consumption has a crucial importance in the energy planning.
Because, in order to meet rising energy demand, policy makers should formulate electricity supply policies and make critical
decisions and develop ne…
Research Article
Open Access Behavior of CLT Formwork Beams Retrofitting with CFRP Strip under Static Loading
Abdullah Türer, Türer A, Taki Ünal Dönmez, Dönmez T, Abdülkadir Çevik, Çevik A, Özgür Anıl, Anıl Ö
2nd International Symposium on Innovative Approaches in Scientific Studies 2018
Timber structures are used as building elements in ancient times due to the lightness and durability. Formwork
material of reinforced concrete structures are also made of wood. Although timber is widely used in industry, it has been
limited research in liter…