• Adaptive boundary control using backstepping for 1D variable length string-mass system under disturbances 

  Szczesiak, Mateusz. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  In this thesis, an adaptive boundary control using delayed control methodology for a 1D wave equation is examined. The outlined problem is applied in the control of an ideal string- mass system with constant or time-varying ...
• Turbulent combustion modelling of fuels using LES 

  Güryuva, Serdar. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Combustion simulations with high fidelity turbulence models and detailed chemistry may suffer from high computational power requirements due to the combined cost of time-scale dissipation and small integration steps. Such ...
• Nonlinear viscoelastic material modeling using nested linkage mechanisms 

  Özcan, Mustafa Umut. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  In this study, basic linear lumped elements such as springs and dashpots are used in nested linkage mechanisms in order to simulate and predict the mechanical behaviour of nonlinear viscoelastic materials. The proposed ...
• Optimum design of stiffened composite cylindrical shells with a cutout for maximum buckling strength 

  Değer, Sezer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Thin-walled composite cylindrical shells have low resistance to buckling and out-of-plane deformations. Introducing a cutout to these structures reduces the load-carrying capacity of such structures drastically. One effective ...
• Analysis of crack initiation in edge cracked NiTi shape memory alloy plate 

  Baykara, Onat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Shape Memory Alloys (SMAs) are getting more known among scientist and the engineers day by day. Therefore, their industrial, military and also daily life applications are increasing. Their unique properties make them very ...
• Plasmonic enhancement of absorption efficiency of nanoparticles for photothermal therapy applications 

  Tahmaz, Ege Şükrü. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Even though humanity is in a golden age when it comes to medical wonders, can cer is still one of the most common and deadly diseases in the world. One new treatment method is called photothermal therapy, which is the ...
• Design, production and testing of a micro scale ORC 

  Bayraktar, Berkhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Energy efficiency and renewable energy technologies are becoming more and more important every day. Organic Rankine Cycle is a proven way of generation of power from low temperature heat sources. In this study a 1 kW ...
• Modified numerical method for thin film thermal conductivity calculation with micro-raman spectroscopy 

  Meydando, Taher. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Thin film materials have recently drawn a great attention for their wide range of applications in nano- and micro-scale devices. To overcome thermal issues associated with these devices, thin film materials must be ...
• Design and implementation of a model predictive trajectory tracking controller for a quadcopter 

  Salman, Kübra Hilal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  In this study, a trajectory tracking controller was designed for a quadcopter unmanned aerial vehicle (UAV), and its performance was evaluated by performing the necessary flight tests. As the controller approach, the model ...
• Ultrawide stop band in a 3D elastic metamaterial with inertial amplification mechanisms having cross flexure hinges 

  Otlu, Sedef Nisan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Inertial amplification is a new method to obtain phononic band gaps in peri odic structures. The aim in this thesis is to obtain an ultrawide stop band in three dimensions by using inertial amplification mechanisms. In ...
• Experimental and numerical analysis of foam-filled composite structures subjected to axial crushing 

  Demir, Serdar. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Crash components in transport vehicles are significant structures for the application of the composite materials due to their high energy absorption capacities. Even better energy absorption values can be achieved by foam ...
• Resource-aware cooperative delivery mission planning for UAV and AGV 

  Zabun, Ali Naci. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  In this study, a problem related to cooperative delivery mission planning of an unmanned aerial vehicle (UAV) and an autonomous ground vehicle (AGV) is con sidered. The problem is a new sub- variant of the Traveling Salesman ...
• Design and analysis of ultrawide elastic metamaterial for three- dimensional vibration isolation 

  Acar, Berkay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Metamaterials are materials that are modified to bring in particular desired properties that are not inherited from original substance. Using number of techniques, materials can be engineered to have completely different ...
• Quantitative non-destructive characterization of defects in electronic packages using fuzzy inference based thermal tomography 

  Muratoğlu, Çağdaş. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Thermal challenges have been a roadblock for electronic packaging with the in creasing number of transistors and smaller package sizes. Thermal interface material (TIM) layers play a key role in heat dissipation at all ...
• Current crowding effects on the thermal performance of AlGaN 

  Göktepe, Emine. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  In the areas, such as automotive, outdoor, and building lighting in which high brightness is very significant, high lumen AlGaN/ GaN light emitting diodes (LED) are preferred due to their low energy consumption vs high ...
• Dynamic modeling of organic rankine cycle and its experimental verification 

  Altun, Ertuğrul. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Renewable energy technologies and waste heat recovery systems have become more important all around the world because of global warming, global climate change, and countries' tendency to decrease fossil fuel consumption. ...
• Mechanical behavior of low density polymeric foams under multiple loading and unloading 

  Öztürk, Umud Esat. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)

  In this thesis, mechanical behavior and energy absorption characteristics of low density polymeric foams under multiple loading and unloading are investigated for uniaxial and hydrostatic compression, uniaxial tension, ...
• Dynamic analysis of diesel engine crankshaft system using finite elements and multibody system simulation programs 

  Yılmaz, Yasin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)

  In this thesis, dynamic analysis of in-line six cylinder diesel engine crankshaft system is carried out using analytical and numerical methods. The dynamic analysis of the crankshaft system consists of calculation of forces, ...
• Characterization of NiMnGa magnetic shape memory alloys 

  Pirge, Gürsev. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)

  Magnetic shape memory (MSM) alloys are a new class of actuator materials withhigh actuation frequency, energy density and strain and they can be used in themanufacturing of actuators, smart structures, sensors and transducers. ...
• Numerical investigation of high Knudsen number flow in rectangular enclosures 

  Orhan, Mehmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)

  Nowadays, enlightening unknown aspects of rarefied gas flow is one of the critical issues of fluid dynamic research to ensure correct and proper operations of manyMicro- Electro-Mechanical-Systems (MEMS). Thermally driven ...

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