Afşin Sarıtaş

E-mail

asaritas@metu.edu.tr

Department

Department of Civil Engineering

ORCID

0000-0001-8772-0497

Scopus Author ID

6602698384

Web of Science Researcher ID

A-9880-2013

Frame finite element model for nonlinear and vibration analysis of steel structures with Beam-Column and Column-Base Semi-Rigid Connections Kiriş-Kolon ve Kolon-Taban Yari-Rijit baǧlantili çelik yapilarin doǧrusal olmayan ve titreşim analizleri için çerçeve sonlu elemani modeli Özel, Halil Firat; Sarıtaş, Afşin (2022-01-01) © 2022 Gazi Universitesi Muhendislik-Mimarlik. All rights reserved.In this paper, a shear deformable force-based frame finite element with semi-rigid connections is derived for nonlinear analysis of steel structures. Distr...
A 2d Frame Element Taking Into Account Semi-Rigidity At Column Bases, Brace Ends Beam To Column Connections In Steel Structures Özel, Halil Fırat; Sarıtaş, Afşin (null; 2017-10-05) In this paper, a force-based 2D frame element formulation with spread of inelasticity through the element and localized semi-rigid connections at beam, brace and column base regions is presented. Inelasticity along member ...
Free vibration characteristics of a 3d mixed formulation beam element with force-based consistent mass matrix Soydas, Ozan; Sarıtaş, Afşin (2017-09-01) In this analytical study, free vibration analyses of a 3d mixed formulation beam element are performed by adopting force-based consistent mass matrix that incorporates shear and rotary inertia effects. The force-based appr...
Consistent matrices for steel framed structures with semi-rigid connections accounting for shear deformation and rotary inertia effects ÖZEL, HALİL FIRAT; Sarıtaş, Afşin; Tasbahji, Tayseer (2017-04-15) Estimation of vibration characteristics and thus the seismic loads acted on steel framed structures are influenced by the presence of semi-rigid connections and accurate modeling of shear deformations and rotary inertia ef...
Hybrid finite element for analysis of functionally graded beams Sarıtaş, Afşin; Soydas, Ozan (2017-01-01) A hybrid finite element model is presented, where stiffness and mass distributions over a beam with functionally graded material (FGM) are accurately modeled for both elastic and inelastic material responses. Von Mises and...
Three dimensional frame element formulation for nonlinear analysis of semi rigid steel structures Özel, Halil Fırat; Sarıtaş, Afşin; Karakaş, Zafer (null; 2016-09-21) In this paper, a force-based three-dimensional frame finite element formulation with spread of inelasticity through the element and localized nonlinear semi-rigid connections is developed. The proposed model utilizes Euler...
Wind loads acting on solar panels in a row by CFD analysis Uslu, Veysel Emre; Sarıtaş, Afşin; Uzol, Oğuz (null; 2016-08-28) Wind loads acting on ground mounted solar panels are studied by computational fluid dynamic (CFD) analysis. In order to investigate wind loads acting on these panels, steady state SST k- turbulence model is consid...
Capturing inelastic coupling of internal forces and exact vibration frequencies for 3 d Timoshenko beam finite elements Soydaş, Ozan; Sarıtaş, Afşin (null; 2016-08-28) A three dimensional (3d) nonlinear frame finite element based on Timoshenko beam theory is presented in this analytical study by utilizing Hu-Washizu principle with displacement, strain and stress independent fields in the...
Finite element model with semi rigid connections for vibration assessment of steel moment resisting framed structures Özel, Halil Fırat; Sarıtaş, Afşin; Tasbajı, Tayseer (2016-06-01) In this paper, a mixed formulation frame finite element with semi-rigid connections is developed. Consistent mass matrix of the element is obtained such that determination of vibration frequencies of members with varying g...
Comparison of chevron and suspended-zipper braced steel frames Ozcelik, Yigit; Sarıtaş, Afşin; Clayton, Patricia M. (2016-03-01) Suspended-zipper braced frame is a modified configuration of chevron braced frame in which zipper columns are added between story beams and a hat truss is attached between top two stories in order to redistribute the unbal...

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