Dept. of Mechanical Engineering - Master's degree
Recent Submissions
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Numerical study on the dispersion and deposition of particles in evaporating sessile droplets
(Bilkent University, 2022-09)Evaporating sessile droplets including dispersed particles are utilized in the coating, printing, and biomedical applications. Modeling this problem is a challenging process, therefore different assumptions are used in the ... -
Design, fabrication, and soft impact modeling and simulation of a collision-resilient foldable micro quadcopter
(Bilkent University, 2022-09)Despite the appreciable advancements in mobile robot navigation and obstacle avoidance algorithms using an abundance of sensors and sensor fusion methods, the navigation of moving robots through confined and cluttered ... -
Model-based optimization of microscale parts printed with projection-based continuous vat photopolymerization
(Bilkent University, 2022-08)Micro-scale additive manufacturing has seen significant growth over the past years, where improving the accuracy of complex micro-scale geometries is seen as an important challenge. Using grayscale images rather than black ... -
Identification of internal process parameters of micro milling considering machined surface topography
(Bilkent University, 2022-07)Micro-milling is a fast and versatile machining method that can be used to manufacture three-dimensional parts of a wide range of materials with high accuracy. Modeling of micro-milling processes is complex due to size ... -
A unifying approach towards the geometrical instabilities of compressible, multilayer domains
(Bilkent University, 2022-07)Instabilities that arise in layered systems have been a riveting course of study for the past few decades, having found utility in various fields, while also being frequently observed in biological systems. However, the ... -
A numerical algorithm to model wall slip and cavitation in two-dimensional hydrodynamically lubricated contacts
(Bilkent University, 2022-01)Hydrodynamic lubrication takes a fundamental role in mechanical systems to reduce energy losses and prevent mechanical breakdown. In order to model hydrodynamic lubrication in thin films the solution of the Reynolds ... -
Design of a droplet-based microfluidic system for hybrid polymer nanoparticle synthesis
(Bilkent University, 2021-12)Droplet microfluidics is advantageous in synthesizing microparticles for both confining their size to the physical dimensions of the droplet and providing a monodisperse result due to rapid mixing inside the droplets. ... -
Modeling of droplet motion on textured surfaces
(Bilkent University, 2021-09)We describe the motion of a droplet on a textured ratchet track using a non-linear resonator model. A textured ratchet track is composed of semi-circular pillar array that induces a net surface tension gradient on a droplet ... -
Learning based control compensation for multi-axis gimbal systems using inverse and forward dynamics
(Bilkent University, 2021-09)Unmanned aerospace vehicles (such as rockets, drones, and satellites) usually carry sensors as their primary payload. These sensors (i.e., electro-optical and/or infrared imaging cameras) are used for image processing, ... -
Particle sensing with narrowband microwave split-ring resonators
(Bilkent University, 2021-09)A new microwave sensor with concentric split-ring resonator (CSRR) topology is designed and integrated with microfluidics. While the resonator is being driven at its resonant frequency, cells passing through the channel ... -
Design, fabrication, and locomotion analysis of an untethered, miniature, legged, compressible, soft robot: CSQUAD
(Bilkent University, 2021-09)Conventional robotics has been effective for industrial applications such as fast, precise and accurate production or for sophisticatedly controlled systems for the last couple of centuries. However, as the robots become ... -
Geometry optimization with variationally consistent forces using higher-order finite element methods in Kohn-Sham density functional theory calculations
(Bilkent University, 2021-09)Variationally consistent atomic forces are computed for Kohn-Sham density func-tional theory (DFT) solved via a higher order finite element (FEM) framework. Force expressions are derived for pseudopotential and all-electron ... -
Nanomechanical buckling for applications in nonlinear dynamics
(Bilkent University, 2021-07)There has not been enough attention on post buckling behavior at nano scale even though it reveals rich nonlinear and chaotic dynamics and has potential to be used on cutting edge sensing, actuation, computation and ... -
Predicting human behavior using static and dynamic models
(Bilkent University, 2021-08)Modeling human behavior is a challenging problem and it is necessary for the safe integration of autonomous systems into daily life. This thesis focuses on modeling human behavior through static and dynamic models. The ... -
DC-electrokinetic motion of colloidal cylinder(s) in the vicinity of a wall
(Bilkent University, 2021-07)DC-electrokinetic behavior of colloidal particles in the vicinity of a conducting/non-conducting planar boundary is investigated using an inhouse boundary element method (BEM) based solver in MATLAB R environment. In ... -
Sensing and characterization of single nanoparticles by vacuum-free nanoelectromechanical systems with an integrated polymeric lens
(Bilkent University, 2021-08)Machines in the nanoscale dimension had the opportunity to become a top-notch choice to detect and characterize nanoparticles thanks to the rapid progress in micro-nano fabrication. Sensors that can detect and identify ... -
A multi-domain direct boundary element formulation for particulate flow in microchannels
(Bilkent University, 2021-08)In the present study, a multi-domain boundary element formulation is developed for high surface-area-to-volume ratio problems (i.e. particulate flow in high as-pect ratio microfluidic channels, in a porous medium or in ... -
Shared control in aerial cyber-physical human systems
(Bilkent University, 2021-06)This study considers the problem of control when two distinct decision makers, a human operator and an advanced automation working together, face severe uncer-tainties and anomalies. Under the rubric of Cyber-Physical Human ... -
Design, manufacturing, and rough terrain analysis of a collision resilient foldable, adjustable wheeled miniature robot: FAWSCY
(Bilkent University, 2021-01)FAWSCY: Foldable Adjustable Wheeled Stringy Clumsy Robot is a foldable, collision resilient, adjustable wheeled robot which can run through different ter-rains and inclined surfaces, to inspect areas which are unavailable ... -
Viscoelastic effects in lubricated contacts in the presence of cavitation
(Bilkent University, 2020-11)A model is proposed to study the influence of fluid viscoelasticity on the performance of lubricated contacts in the presence of cavitation. Previous studies on viscoelastic lubricants did not consider the presence of ...
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