Department of Mechanical Engineering
Recent Submissions
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Peridynamics review
(SAGE, 2018)Peridynamics (PD) is a novel continuum mechanics theory established by Stewart Silling in 2000. The roots of PD can be traced back to the early works of Gabrio Piola according to dell’Isola et al. PD has been attractive ... -
Assessment of lagrangian modeling of particle motion in a spiral microchannel for ınertial microfluidics
(MDPI, 2018-08)Inertial microfluidics is a promising tool for a label-free particle manipulation for microfluidics technology. It can be utilized for particle separation based on size and shape, as well as focusing of particles. ... -
Game Theoretic Modeling of Vehicle Interactions at Unsignalized Intersections and Application to Autonomous Vehicle Control
(Institute of Electrical and Electronics Engineers, 2018)In this paper, we discuss a game theoretic approach to model the time-extended, multi-step, and interactive decision making of vehicles at unsignalized intersections. The vehicle interaction model is then used to define ... -
Growth-induced instabilities of an elastic film on a viscoelastic substrate: Analytical solution and computational approach via eigenvalue analysis
(Mathematical Sciences Publishers, 2018)The objective of this contribution is to study for the first time the growth-induced instabilities of an elastic film on a viscoelastic substrate using an analytical approach as well as computational simulations via ... -
Mechanistic modeling of micro milling including tool run-out
(Gazi Üniversitesi Mühendislik-Mimarlik, 2018)Micro milling is widely used in precision manufacturing industry to produce micro components made from difficult-to-cut materials. High material removal rate and ability to create good surface quality are the major advantages. ... -
Finite element analysis of the deformation behaviour of pure aluminium in repetitive corrugation-straightening and constrained groove pressing
(Inderscience Enterprises, 2018)Repetitive corrugation-straightening (RCS) and constrained groove pressing (CGP) are two promising severe plastic deformation techniques for sheet metallic materials. There are differences in amount of imposed plastic ... -
A critical microscopic engine in an optical tweezers
(OSA - The Optical Society, 2018)An optically trapped absorbing microsphere in a sub-critical mixture rotates around the optical trap thanks to diffusiophoretic propulsion, which can be controlled by adjusting the optical power, the temperature, and the ... -
A note on traction continuity across an interface in a geometrically non-linear framework
(SAGE Publications, 2018)The objective of this contribution is to elaborate on the notion of “traction continuity” across an interface at finite deformations. The term interface corresponds to a zero-thickness model representing the interphase ... -
Thermal characterisation of quantum cascade lasers with Fabry Perot modes
(SPIE, 2018)Quantum cascade lasers are coherent light sources that rely on intrersubband transition in periodic semiconductor quantum well structures. They operate at frequencies from mid-infrared to terahertz. In cases of long ... -
A fault tolerant vehicle stability control using adaptive control allocation
(American Society of Mechanical Engineers (ASME), 2018)This paper presents an integrated fault-tolerant adaptive control allocation strategy for four wheel frive - four wheel steering ground vehicles to increase yaw stability. Conventionally, control of brakes, motors and ... -
Development of a cross-coupled robust controller for a multi-axis micromachining system
(American Society of Mechanical Engineers (ASME), 2018)In the current era of miniaturization for complex, ubiquitous, and energy efficient systems, micromanufacturing had become one of the most popular fields for engineering development. This paper introduces a modular robust ... -
Semi-analytical source method for reaction-diffusion problems
(American Society of Mechanical Engineers (ASME), 2018)Estimation of thermal properties, diffusion properties, or chemical-reaction rates from transient data requires that a model is available that is physically meaningful and suitably precise. The model must also produce ... -
Homogenization in hydrodynamic lubrication: microscopic regimes and re-entrant textures
(American Society of Mechanical Engineers (ASME), 2018)The form of the Reynolds-type equation which governs the macroscopic mechanics of hydrodynamic lubrication interfaces with a microscopic texture is well-accepted. The central role of the ratio of the mean film thickness ... -
Influence of diamond tool chamfer angle on surface integrity in ultra-precision turning of singe crystal silicon
(Springer, 2018)Ultra precision diamond machining enables the economical production of freeform optics on infrared materials such as silicon. To produce optics with acceptable surface integrity, it is important to have a good understanding ... -
Application of energy measures in detection of local deviations in mechanical properties of structural elements
(Springer New York LLC, 2018)The identification of local damages in structural elements is considered. In the proposed formulation, the damages are represented as local changes in structural stiffness and they are defined by a set of parameters. The ... -
C-Quad: A miniature, foldable quadruped with C-shaped compliant legs
(Institute of Electrical and Electronics Engineers, 2018)C-Quad is an origami-inspired, foldable, miniature robot whose legs and body are all machined from one PET sheet each. The already famous compliant legs are modified such that they can be manufactured from a flat PET sheet ... -
MinIAQ-II: A miniature foldable quadruped with an improved leg mechanism
(Institute of Electrical and Electronics Engineers, 2018)Origami has long been renowned as a simple yet creative form of art and its folding techniques have recently inspired advances in design and fabrication of miniature robots. In this work, we present the design and fabrication ... -
High-Performance Adaptive Pressure Control in the Presence of Time Delays: Pressure Control for Use in Variable-Thrust Rocket Development
(Institute of Electrical and Electronics Engineers, 2018)Smart defense systems using missiles that can fine-tune their velocity profiles have significant technological superiority over their conventional counterparts. This tuning is possible, in part, due to the deployment of ... -
Pilot induced oscillation mitigation for unmanned aircraft systems: an adaptive control allocation approach
(Institute of Electrical and Electronics Engineers, 2018)This paper proposes an adaptive control allocation method that can make unmanned aircraft systems recover from pilot induced oscillations. Pilot induced oscillations are undesired oscillations due to an unintentional and ... -
Microscopic engine powered by critical demixing
(American Physical Society, 2018)We experimentally demonstrate a microscopic engine powered by the local reversible demixing of a critical mixture. We show that, when an absorbing microsphere is optically trapped by a focused laser beam in a subcritical ...
