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Açık Bilim Politikası
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Altan Kayran
E-mail
akayran@metu.edu.tr
Department
Department of Aerospace Engineering
ORCID
0000-0002-0840-6887
Scopus Author ID
7003421551
Publications
Theses Advised
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Projects
Classical flutter analysis of composite wind turbine blades including compressibility
Farsadi, Touraj; Kayran, Altan (Wiley, 2020-08-01)
For wind turbine blades with the increased slenderness ratio, flutter instability may occur at lower wind and rotational speeds. For long blades, at the flutter condition, relative velocities at blade sections away from th...
Reduced order nonlinear aeroelasticity of swept composite wings using compressible indicial unsteady aerodynamics
Farsadi, Touraj; Rahmanian, Mohammad; Kayran, Altan (Elsevier BV, 2020-01-01)
Nonlinear dynamic aeroelasticity of composite wings in compressible flows is investigated. To provide a reasonable model for the problem, the composite wing is modeled as a thin walled beam (TWB) with circumferentially asy...
COMPARATIVE STRUCTURAL OPTIMIZATION STUDY OF COMPOSITE AND ALUMINUM HORIZONTAL TAIL PLANE OF A HELICOPTER
Arpacıoğlu, Bertan; Kayran, Altan (2019-11-11)
This work presents structural optimization studies of aluminum and composite material horizontal tail plane of a helicopter by using MSC. NASTRAN SOL200 optimization capabilities. Structural design process starts from conc...
AEROELASTIC MODELING AND ANALYSIS OF HIGH ASPECT RATIO WINGS WITH DIFFERENT FIDELITY STRUCTURAL MODELS
Çiçek, Gökçen; Kayran, Altan (2019-11-11)
This paper is concerned with the aeroelastic modeling and analysis of high aspect ratio wings with large torsional deflections with different fidelity structural models. The approach for structural modeling presented here...
AN INVESTIGATION ON DEVELOPMENT OF A PREDICTION MODEL FOR FATIGUE LIFE OF OPEN HOLE SPECIMENS WITH DOUBLE THROUGH THE THICKNESS CRACKS USING RESPONSE SURFACE METHODOLOGY
Shabestari, Sohrab Heidari; Kayran, Altan (2019-09-18)
In this study, a model for predicting the life of open hole specimens with a double through the thickness fatigue cracks emanating from the fastener hole walls is suggested. The model predicts the life of 2024-T3 aluminum ...
Development of Bolted Flange Design Tool Based on Artificial Neural Network
Yıldırım, Alper; Akay, Ahmet Arda; Gülaşık, Hasan; Çöker, Demirkan; Gürses, Ercan; Kayran, Altan (ASME International, 2019-7-17)
<jats:p>Finite element analysis (FEA) of bolted flange connections is the common methodology for the analysis of bolted flange connections. However, it requires high computational power for model preparation and nonlinear ...
Experimental Assessment of Bend-Twist Coupling Potentials of Composite Materials via Digital Image Correlation Method
Şener, Özgün; ATALAY, OĞUZ; Kayran, Altan (2019-01-07)
Development of a regression model for the life assessment of open-hole specimens with double through cracks utilizing stress intensity factor calculations via XFEM
Shabestari, S. Sohrab Heidari; Kayran, Altan (Elsevier BV; 2019-01-01)
Development of a regression model for the life assessment of open-hole specimens with double through cracks utilizing stress intensity factor calculations via XFEM
ENERGY ABSORPTION MECHANISMS AND CRASH ANALYSIS OF HELICOPTER SEATS
Öztürk, Gülce; Kayran, Altan (2018-11-15)
In this paper, a crushable absorber system is designed to analyze the dynamic behavior and performance of a helicopter seat. The mechanism of the absorption system makes use of the crash energy to plastically deform the al...
EVALUATION OF TRANSVERSE SHEAR MODULI OF COMPOSITE SANDWICH BEAMS THROUGH THREE-POINT BENDING TESTS
Şener, Özgün; Dede, Oğuzhan; ATALAY, OĞUZ; ATASOY, MERT; Kayran, Altan (2018-11-15)
Transverse shear moduli of the sandwich core and flexural stiffness of all-composite sandwich constructions are determined with three-point beam bending tests, and compared with the analytical and finite element analysis s...
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