In this paper, influence of riveting process parameters, namely, riveting force, sheet thickness, friction coefficient and clearance fit are investigated on residual stress field and fatigue life of single riveted lap joint of AA2024 type. According to the effect of riveting induced residual stresses on fatigue life of riveted lap joint, these parameters are optimized to maximize the residual s...

In the paper we concentrate on one aspect of the experimental design: how the information coming from an experiment can be utilised for identification of a specific mathematical model. To express the consistency of the data and the model we need some quality measure, allowing to transform our intuition to numbers. As the mathematical tool we propose a version of the statistical procedure of cro...

SubGradient based Blind Algorithm (SGBA) has recently been introduced [A.T. Erdogan, C. Kizilkale, Fast and low complexity blind equalization via subgradient projections, IEEE Trans. Signal Process. 53 (2005) 2513–2524; C. Kizilkale, A.T. Erdogan, A fast blind equalization method based on subgradient projections, Proceedings of IEEE ICASSP 2004, Montreal, Canada, vol. 4, pp. 873–876.] as a conv...


 Fatigue life of deck longitudinals oil tankers is analysed based on linear elastic fracture mechanics. A parametric formulation for the estimation stress intensity factors and Paris-Erdogan law are applied. Long-term effects corrosion modelled regression equations fitted to thickness measurements made during inspections two tankers. Parametric studies performed in order investigate impor...

We compiled an improved version of the G-VRP model of Erdogan and Miller-Hooks (2012) and used it to solve the set of small G-VRP benchmark instances with CPLEX. To be concise, we use the original notation from Erdogan and Miller-Hooks (2012) to describe our model:

Electrical and Computer Engineering) Efficient Test Methods for RF Transceivers by Erdem Serkan Erdogan Department of Electrical and Computer Engineering Duke University

After 20 straight years of AK Party rule, Turkey's President Erdogan resembles other strongmen and autocrats across the globe. Grounding his regime in disregard for rule law a lack institutional checks balances, he has cemented alignment with new genre platforms sentiments rooted nationalist–authoritarian–conservative dogma morality. The failed coup attempt 2016 enabled to consolidate political...

In this article, a three-dimensional finite element model (FEM) is used to predict the crack growth at weld toe of pre-fatigued T-joint that was repaired with remelting technique. The numerical models were developed using MSC.Marc software. Fatigue life estimated by integrating Paris-Erdogan law. stress intensity factors are obtained virtual closure technique (VCCT). T-welded joints, made S355 ...

In this paper we study AGM contraction and revision of rules using input/output logical theories. We replace propositional formulas in the AGM framework of theory change by pairs of propositional formulas, representing the rule based character of theories, and we replace the classical consequence operator Cn by an input/output logic. The results in this paper suggest that, in general, results f...

Inverse problems for selfadjoint Schrödinger operators on the half line with compactly supported potentials Tuncay Aktosun,1,a) Paul Sacks,2,b) and Mehmet Unlu3,c) 1Department of Mathematics, University of Texas at Arlington, Arlington, Texas 76019-0408, USA 2Department of Mathematics, Iowa State University, Ames, Iowa 24061, USA 3Department of Mathematics, Recep Tayyip Erdogan University, 5310...