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Browsing by Author "Artem, Hatice Seçil"
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Analysis of the carcked infinite hollow cylinder with loading on crack surfaces
Avcı, Fatih (Izmir Institute of Technology, 2009)In this study, the cracked infinite hollow cylinder with an axisymmetric crack of width (b-a) is considered. The ring-shaped crack is located at the symmetry plane. Surfaces of the crack are subjected to the distributed ... -
Axisymmetric crack problem of thick-walled cylinder with loadings on crack surfaces
Aydın, Levent; Artem, Hatice Seçil (Elsevier, 2008-04)This study is concerned with the fracture of an infinite thick-walled cylinder. The inner surface of the cylinder is stress free and the outer is rigidly fixed. The cylinder having a ring-shaped crack located at the symmetry ... -
Buckling optimization of composite laminates using a hybrid algorithm under Puck failure criterion constraint
Deveci, Hamza Arda; Aydın, Levent; Artem, Hatice Seçil (SAGE Publications, 2016-08-01)In this study, an optimization procedure is proposed to find the optimum stacking sequence designs of laminated composite plates in different fiber angle domains for maximum buckling resistance. A hybrid algorithm combining ... -
Comparison of stochastic search optimization algorithms for the laminated composites under mechanical and hygrothermal loadings
Aydın, Levent; Artem, Hatice Seçil (SAGE Publications, 2011-07)The aim of the present study is to design the stacking sequence of the laminated composites that have low coefficient of thermal expansion and high elastic moduli. In design process, multi-objective genetic algorithm ... -
Design and mechanical behaviour of brazed plate heat exchangers
Gürler, Yiğit (Izmir Institute of Technology, 2018-07)In recent years, the developments in clean, renewable and efficient energy policies have been enabled to design new and innovative heat exchangers. The plate heat exchangers have crucial importance among these innovative ... -
Design of dimensionally-stable laminated somposites subjected to hygro-thermo-mechanical loading by stochastic optimization methods
Aydın, Levent (Izmir Institute of Technology, 2011)The materials used in aerospace structures such as antenna, satellites and missiles should have such features as low density, high stiffness, low coefficients of thermal and moisture expansions simultaneously. Fiber ... -
An elastic hollow cylinder under axial tension containing a crack and two rigid inclusions of ring shape
Artem, Hatice Seçil; Geçit, Mehmet Ruşen (Elsevier, 2002-11)This paper is concerned with the fracture of an axisymmetric hollow cylindrical bar containing rigid inclusions. The cylinder is under the action of uniformly distributed axial tension applied at infinity. The bar contains ... -
Evaluation of strees intensity factor for an infinite hollow cylinder containing a crack and two rigid inclusions by finite element analysis
Öterkuş, Ertan (Izmir Institute of Technology, 2002)A numerical implementation based on the finite element method for the infinite cracked hollow cylinder under the action of axisymmetric tensile loads at infinity is considered in this study. The infinite cylinder contains ... -
Exact solution and dynamic buckling analysis of a beam-column system having the elliptic type loading
Artem, Hatice Seçil; Aydın, Levent (Springer, 2010-10)This paper presents a closed form solution to the dynamic stability problem of a beam-column system with hinged ends loaded by an axial periodically time-varying compressive force of an elliptic type, i.e., a 1cn 2(τ, k ... -
Investigation of stress intensity factors in an elastic cylinder under axial tension with a crack of ring-shape
Aydın, Levent (Izmir Institute of Technology, 2005)This study is concerned with the fracture of an axisymmetric thick-walled cylinder. The cylinder is under the action of axisymmetric tensile loads at infinity. A ring-shaped crack with surface free tractions is located at ... -
Minimum weight design of carbon/epoxy laminated composites for maximum buckling load using simulated annealing algorithm
Gülmez, Erkut (Izmir Institute of Technology, 2014-03)Composite materials have been mostly used in engineering applications such as aerospace, automotive, sports equipment, marine because of their high specific strength-to-weight and stiffness-to-weight ratios. Weight reduction ... -
Multiobjective genetic algorithm optimization of the composite laminates as a satellite structure material for coefficient of thermal expansion and elastic modulus
Aydın, Levent; Artem, Hatice Seçil (IEEE, 2009)This study considers multi-objective optimal design of the fiber reinforced symmetric-balanced laminated composites using genetic algorithms. MATLAB Genetic Algorithm and Direct Search Toolbox is used to obtain Pareto-optimal ... -
Optimization of surface roughness on a milling process using stochastic methods
Dinç, Özcan (Izmir Institute of Technology, 2019-07)Nowadays, milling process is one of the most widely used metal processing methods in many fields from space and aircraft to automotive industry. The surface roughness values of the workpiece in milling process vary ... -
Optimization of weld bead geometric parameters in a TIG welding process
Dilsiz, Kadriye Çağla (Izmir Institute of Technology, 2019-07)Welding is a process that widely used in many areas of industry. Tungsten Inert Gas (TIG) welding process in several types of welding is often preferred in space and aircraft industry, defense industry, and automotive. ... -
Optimum design of anti-buckling behaviour of the laminated composites considering puck failure criterion by genetic algorithm
Deveci, Hamza Arda (Izmir Institute of Technology, 2011)In recent years, fiber-reinforced composite materials have been increasingly used in engineering applications due to their advantages such as strength and weight reduction. Determination of the buckling load capacity of a ... -
Optimum design of carbon/epoxy composite laminates for maximum fatigue life using multiaxial prediction models
Deveci, Hamza Arda (Izmir Institute of Technology, 2017-12)In this thesis study, the aim is to propose a methodology on the optimum stacking sequence design of carbon/epoxy composite laminates under various cyclic loading conditions for maximum fatigue life. In this respect, ... -
Optimum design of composite hydrogen pressure vessels by stochastic search methods
Sayı, Abdülmecit Harun (Izmir Institute of Technology, 2018-07)Fiber-reinforced composite materials are extensively used in many engineering applications such as aircraft wings and frames, vehicle drive shafts, sport equipment, and pressure storage vessels. One of the reasons for ... -
Optimum design of fatigue-resistant composite laminates using hybrid algorithm
Deveci, Hamza Arda; Artem, Hatice Seçil (Elsevier, 2017-05)In this study, a fatigue life prediction model termed as Failure Tensor Polynomial in Fatigue (FTPF) is applied to the optimum stacking sequence design of laminated composites under various in-plane cyclic loadings to ... -
Stacking sequence optimization and modeling of laminated composite plates for free vibration
Hasanoğlu, Emre Azim (Izmir Institute of Technology, 2018-01)Composite materials, especially fiber reinforced composites, have been extensively used in various engineering fields such as automotive, aerospace, aircrafts, defense, marine and so on due to having their high specific ... -
Stacking sequence optimization of the anti-buckled graphite/epoxy laminated composites for minimum weight using generalized pattern search algorithm
Boyacı, Hakan (Izmir Institute of Technology, 2014-03)Composite materials have been increasingly used during the last decades due to their properties such as low weight, high stiffness, superior fatigue and corrosion resistance. They have been used in aerospace, automobile, ...