Browsing by Subject "Finite element method."

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  • Finite element analysis of plasticity-induced fatigue crack closure 
    Gökçen, Mehmet Gökhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Contact elements are implemented into the elastic-plastic finite element analysis of fatigue crack closure to predict crack opening stress, by developing a code using ANSYS Parametric Design Language. Although the use of ...
  • Finite element analysis of supported excavations in clay 
    Sözer, Merih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    In this study, various soil mechanics problems are investigated using the computer program developed by Clough and Duncan, (1969). By this program, both incremental analyses and gravity turn-on analyses can be provided. ...
  • Finite element analysis of tieback wall using plaxis: a case study 
    Hayta, Özkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    During the past 15 years, significant development has taken place in the techniques of tieback wall. Anchored wall has gained world-wide acceptance in both theory and practice due to its economy, technical and practical ...
  • Finite element method with weighted extended b-splines for electromagnetics 
    Apaydın, Gökhan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This thesis presents fundamental overview of electromagnetics and finite element method (FEM) with weighted extended basis splines (web-splines), which is a new developed finite element method for electromagnetic problems. ...
  • Finite element model for brick walls post-tensioned by external steel bars 
    Nijem, Khalil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    A finite element model was developed to study the behavior of masonry walls externally post-tensioned by vertical steel bars under lateral loading in the plane of the wall. Material non-linearity of mortar and non-linearity ...
  • Finite element modeling of nonrectangular reinforced concrete structural walls 
    Bilgin, Nihan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    This study employs and extends the Fixed-Angle-Strut Finite Element (FSAFE) model towards simulating the hysteretic response of the nonrectangular reinforced concrete structural walls subjected to multidirectional lateral ...
  • Finite element modeling of reinforced concrete structural walls 
    Güllü, Muhammet Fetih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This study was conducted to propose a two dimensional finite element model to obtain the inelastic response of reinforced concrete (RC) structural walls under generalized reversed-cyclic, in-plane loading conditions. The ...
  • Finite element solution of MHD duct flows 
    Egeli, Osman. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    In the present study a finite element Galerkin method is presented for the solution of MHD duct flows. The electromagnetic theory is used to derive the body force term in the Navier - Stokes equation and the ohmic dissipation ...
  • Finite element solutions of plane elasticity problems by using isoparametric quadrilateral elements 
    Altıntaş, Hüsnü. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    In this study a finite element program is developed to solve plane stress problems. The finite element method used is based on minimization of the potential energy of the system by using the Rayleigh- Ritz procedure. The ...
  • Finite-element analysis of radiative transport in gray participating media 
    Kalenderoğlu, Vahan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1980., 1980.)
    A finite-element solution scheme for radiative transport problems in gray participating media is devised, and its validity is substantiated through application to representative problems involving plane-parallel geometry ...
  • Fracture mechanics analysis of shape memory alloys using finite elements 
    Şimşek, Miray. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The objective of this work is to study phase transformation and its effects on macroscopic fracture behavior of superelastic shape memory alloy, Nitinol, using finite elements. For this purpose, A 2-D edge-cracked homogenous ...
  • Implementation of one and two dimensional linear finite element programs with java language 
    İşbaşar, Hilmi Aydın. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Finite element program codes were generally developed in Fortran but during last decade developers started to seek better programming paradigms in order to handle complexity in finite element software. Since Java language ...
  • Implementation of the crystal plasticity finite element method 
    Azar, Mehrdad Ghanbari. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Computational materials science is one of the fastest growing areas in modern materials research, and controlling the microstructure of a polycrystal is crucial to de signing advanced materials. The extreme environments ...
  • Infinite elements in finite element method 
    Erkal, Aykut. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    It is natural and common to idealize stress or field problems into finite element models with rigid boundaries remote from the area of interest. However, the degree of accuracy of solutions may be significantly increased, ...
  • Mechanical effects of Botulinum toxin treatment on isolated mucsle: assessment of theoretical paralyzation patterns via finite element modeling 
    Türkoğlu, Ahu Nur. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    Thespecific goal of the present study was to take an initial step in explaining the effects of Botulinum toxin treatment used for muscle pathologies such as spasticity on muscle mechanics via myofascial force transmission, ...
  • Modal testing of a retrofitted building 
    Dalkılıç, Ziya. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    ETA-B Building located in Bo gazi ci University, North Campus is monitored before, during and after its retro tting process by previous researchers. An Enhanced Frequency Domain Decomposition identi cation algorithm is ...
  • Modeling the shear strength improvement at the interface of lime-stabilized soil and concrete 
    Batukan, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1997., 1997.)
    Drilling operations remold the shaft soil, leading to significant shear strength losses. Lime stabilization has been proposed to increase the shaft resistance capacity of friction piles installed into clayey soils. For ...
  • Non-linear finite element analysis of reinforced concrete frames with masonry filler walls 
    Kıvanç, Faik. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    An incremental non-linear finite element program taking into consideration the nonlinear behaviour and failure of mor, tar joints in masonry is developed and applied to the analysis of reinforced concrete frames with masonry ...
  • Nonlinear finite element analysis of Altınkaya Dam 
    Yazıcıoğlu, Ali. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The behavior of earth and rockfill dams during construction is investigated in this study. In particular, attention is given to the prediction of stresses and deformations developed within Altınkaya Dam during construction. ...
  • Nonlinear finite element modeling of reinforced concrete structural walls 
    Güllü, Muhammet Fetih. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    A relatively simple finite element modeling approach–referred to as the Fixed-Strut- Angle Finite Element (FSAFE) Model–is proposed in this thesis for simulating the hysteretic lateral load behavior of reinforced concrete ...

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