M.S. Theses: Recent submissions

  • Optimum design of rib-reinforced composite I-beam 
    Deldari Alamdari, Amin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The main goal of this study is to develop a methodology for optimum shape design of reinforcing ribs on the web of an I-beam so as to minimize the weight of the structure and maximize the buckling-load carrying capacity ...
  • Development and finite element analysis of a magnetorheological elastomer for stiffness variation in a soft manipulator 
    Seyidoğlu, Burcu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Rigid robots and their inadequate adaptation to challenging environmental conditions requires new intelligent systems. This demand has empowered the evolution of soft robots, that have high dexterity, deformability, and ...
  • Image processing based haptic guidance system for visually impaired runners 
    Kayhan, Oğuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    People with disabilities face too many problems in their daily lives. The defeat of visual perception seriously con nes a person's daily life and activities. For example, visually impaired people have di culty to move ...
  • Patient specific lumped parameter modeling of penile erection mechanism relying on reduced penile doppler ultrasound data 
    Yıldırım, Canberk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Erectile dysfunction (ED) is a common clinical condition that affects 10-20% of the male population. Penile color Doppler ultrasound (PDUS) is considered as the most objective erection evaluation method, which solely relies ...
  • Quantitative assessment of wrist rigidity in Parkinson's disease by using built-in sensors of a smartphone 
    Dinçer, Uğur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Rigidity is one of the motor symptoms of Parkinson’s Disease (PD) which is described as an increased muscle tone that occurs throughout the entire range of mo tion of a limb. Clinical assessment of rigidity is highly ...
  • Assessment of wrist rigidity in patients with parkinson's diease :|a new approach based on frequency analysis 
    Züngör, Günay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Wrist rigidity is accepted as a major indicator of the Parkinson’s Disease (PD). In the current medical practice, wrist rigidity is qualitatively measured by movement disorder specialists as a part of the Unified Parkinson’s ...
  • Industrial implementation of a path planning algorithm with dynamic obstacle avoidance for safe human-robot collaboration 
    Demirtaş, Serhat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Industrial robots are programmable, controllable, and multifunction machines having superior movement capabilities compared to conventional manufacturing equip ment. They are commonly used in various production applications ...
  • Development of a model-based auto-calibration methodology with genetic algorithms focusing on fuel efficiency and emission compliance over real-world driving cycles 
    Karabıyık, Egemen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    The aim of this study is to develop a methodology for the optimization of a diesel engine calibration in terms of fuel consumption while being emission compliant for a predefined route by using model-based calibration ...
  • A strain energy based multiaxial high-cycle fatigue life evaluation model for notched structures 
    Gezer, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    In this study, a model is presented for high-cycle fatigue-life assessment of notched engineering components subjected to constant amplitude multiaxial proportional loads. The algorithm requires only material-dependent ...
  • Description of local chemical environments in machine learning potentials using spherical bessel descriptors 
    Köçer, S. Emir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Molecular dynamics is an e ective numerical simulation technique for investigating material behavior at an atomistic scale, where simulated motions of atoms and molecules within a physical system are governed by Newtonian ...
  • Finite element analysis of elastomeric bearings under compression and shear loading 
    Aynur, Mert Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Elastomeric bearings are widely used as isolators for buildings and bridges. Elastomeric bearings may be either stratified structures with repeated parallel layers of rubber and steel or plain rubber. This thesis focuses ...
  • 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 ...
  • Modeling localized heating induced size effects in semiconductor devices 
    Dündar, Canberk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Micro and nano scale semiconductor devices could undergo localized self-heating that obscures phonon transport and leads to size e ects and peak device temperatures. Consequently, device performance and lifetime are degraded. ...
  • Phonon mean free path and thermal conductivity analysis of wide and ultra-wide bandgap materials 
    Albar, Esra İlke. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    As the Knudsen number (de ned as the as the ratio of the molecular mean free path length to length scale of the device) increases, materials' thermal properties are compromised due to disruption of phonon movement. If the ...
  • Accurate thermal characterization and optimization of high lumen led array fixtures 
    Kundakçıoğlu, Haluk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    High lumen light emitting diode (LED) arrays have been preferred in di erent applications due to their low energy consumption. To maintain the performance of LEDs, heat generated by the LED chips should be removed e ectively. ...
  • Environment recognition for context-dependent control of powered exoskeletons 
    Karacan, Kübra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The daily use of advanced wearable robotic devices for the assistance of people with locomotive disabilities is still facing clear limitations in usability and acceptance. In most devices, the correct selection and initiation ...
  • Heat transfer and flow behavior of carbon based nanofluids 
    Demirkır, Çayan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Thermal and rheological behaviors of the graphene-water nano uids are investigated experimentally. Nano uids with particle mass fraction from 0.025 to 2.0% are prepared by using PVP as surface active material and ...
  • Design of a passive self-tuning lever-type vibration isolation system 
    Özyar, Ahmet Onur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study, a novel self-tuning passive lever-type vibration isolation system for base excitations is described. Due to inertial coupling within the vibration isolation system, an antiresonance frequency is generated, ...
  • Fast NOx prediction methodology via 1D thermodynamical tools 
    Özgül, Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Accurate modelling of Nitrogen Oxide, soot, CO and UHC emissions from diesel engines plays a crucial role during the development phases of powertrain systems due to increasingly more strict emission legislation. Undoubtedly, ...
  • Design of a highly-extensible pneumatic actuator for soft robotic applications 
    Baydere, Bora Alp. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Soft continuum robots have been an expanding research topic due to their in herent compliance and flexibility. However, most of the conventional continuum robots still lack the ability to significantly change size and length. ...

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