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Recent Ph.D. Dissertations
Jason Armstrong
Title: A mechanical perturbation approach to study quantized conductance in atomic point contacts
Year: 2010
Advisor: Chopra, Harsh
Abstract: A mechanical perturbation approach has been developed as a new method to study conductance quantization in atomic point contacts.
Full text: PDF at ProQuest
Jemin George
Title: An adaptive disturbance accommodation approach for robust control and fault detection in uncertain stochastic systems
Year: 2010
Advisor: Crassidis, John
Abstract:The detailed formulation and analysis of a robust control scheme for multi-input multi-output uncertain stochastic systems known as the disturbance accommodating controller is presented.
Full text: PDF at ProQuest
Sebastian Schafer
Title: Filtered region of interest computed tomography
Year: 2010
Advisor: Hoffman, Kenneth
Abstract: T his dissertation thoroughly discusses the possibilities and overcomes the challenges yielded by FROI CT for both centered and off-centered objects of interest in the clinical arena.
Full text: PDF at ProQuest
Umamaheswar Konda
Title:Bayesian inference and uncertainty propagation in dynamical systems
Year: August 2010
Advisor: Tarunraj Singh
Abstract: A hybrid Bayesian-PC based approach is proposed to address this general problem of uncertainty propagation in linear dynamical systems with random inputs and uncertain model parameters. This approach is further extended to address the filtering problem, when there is parametric uncertainty.
Full text: PDF at ProQuest
Hakjae Kim
Title: Nonlinear filtering using the complex-step derivative approximation
Year: 2010
Advisor: Crassidis, John
Abstract: This dissertation presents a new approach to nonlinear filtering using a divided difference with a complex-step derivative approximation to compute numerical derivatives.
Full text: PDF at ProQuest
Junhua Wu
Title: Structural and functional polymer-matrix composites for electromagnetic applications
Yearr: 2010
Advisor: Chung, Deborah
Abstract: This dissertation addresses the science and technology of functional and structural polymer-matrix composite materials for electromagnetic applications, which include electromagnetic interference (EMI) shielding and low observability (Stealth).
Full text: PDF at ProQuest
Zhendan Xue
Title: A particle swarm optimization based multi-agent stochastic evacuation simulation model
Year: 2010
Advisor: Bloebaum, Christina
Abstract: This dissertation research introduces a Particle Swarm Optimization (PSO) based multiagent stochastic evacuation simulation model incorporating fire hazards and critical human behaviors. .
Full text: PDF at ProQuest
Govindarajan Srimathveeravalli
Title: Design and testing of a total body thermal protection garment
Year: 2010
Advisor: Thenkurussi Kesavadas
Abstract: This dissertation work evaluates the effect of haptic interfaces and robotic surgery on the surgeon's motor skills.
Full text: PDF at ProQues
Kareem Ahmed
Title: Design and testing of a total body thermal protection garment Flame stabilization in a model ramjet combustor using a transverse slot jet
Year: 2010
Advisor: Forliti, David
Abstract: Flame stabilization is the act of maintaining combustion in the presence of a high-speed premixed flow, and continues to be an important process that influences the performance and limitations for propulsion applications.
Full text: PDF at ProQuest
Chin Pei Tang
Title: Design and control framework for cooperative mobile robot collectives
Year: 2009
Advisor: Krovi, Venkat
Abstract: This dissertation examines development of a framework to achieve cooperative payload transport and manipulation by teams of multiple wheeled mobile robots.
Full text: PDF at ProQuest
Arvind Pattamatta
Title: Modeling energy transport in nanostructures
Year: 2009
Advisor: Madnia, Cyrus
Abstract: Heat transfer in nanostructures differ significantly from that in the bulk materials since the characteristic length scales associated with heat carriers, i.e., the mean free path and the wavelength, are comparable to the characteristic length of the nanostructures. Nanostructure materials hold the promise of novel phenomena, properties, and functions in the areas of thermal management and energy conversion.
Full text: PDF at ProQuest
William Godoy
Title: Numerical modeling of radiation heat transfer in absorbing, emitting and scattering media
Year: 2009
Advisor: DesJardin, Paul
Abstract: The objective of this dissertation is the development of numerical models for simulation of radiative heat transfer for a general 3D Cartesian, non-homogeneous, emitting, absorbing, scattering and non-gray media.
Full text: PDF at ProQuest
Keith Dalbey
Title: Predictive simulation and model based hazard maps of geophysical mass flows
Year: 2009
Advisor: Patra, Abani
Abstract: The purpose of this work is to improve the predictive capabilities of geophysical flow computer models and in particular the Titan2D depth-averaged granular flow simulator.
Full text: PDF at ProQuest
Po-Wen Chiu
Title: The hyper-radial visualization (HRV) method for visualization of the hyperspace pareto frontier for multi-objective optimization problems
Year: 2009
Advisor: Bloebaum, Christina
Abstract: This dissertation includes several research issues pertaining to the development of the HRV Method.
Full text: PDF at ProQuest
Chuangang Lin
Title: Thermal interface pastes nanostructured for high performance
Year: 2009
Advisor: Chung, Deborah
Abstract: Thermal interface materials in the form of pastes are needed to improve thermal contacts, such as that between a microprocessor and a heat sink of a computer. High-performance and low-cost thermal pastes have been developed in this dissertation by using polyol esters as the vehicle and various nanoscale solid components.
Full text: PDF at ProQuest
Yasuhiro Aoyagi
Title: Carbon and related materials for thermal and electrical applications
Year: 2008
Advisor: Chung, Deborah
Abstract: High thermal stability has been attained in polyol ester by using a sterically half-hindered phenolic primary antioxidant and a thiopropionate secondary antioxidant. Carbon black and boron nitride (BN) serve as antioxidants in the presence of either primary antioxidant or secondary antioxidant at 200°C. BN paste shows an estimated 100°C lifetime of 19 years, compared to 1.3 years for the carbon black paste and 0.10 year for commercial silver paste.
Full text: PDF at ProQuest
Yie Meng Huo
Title: Correlating in-vivo hemodynamics with vascular responses
Year: 2008
Advisor: Meng, Hui
Abstract: The roles of hemodynamics in the natural history of vascular diseases remain unclear due to a lack of understanding of the cellular and molecular responses under various hemodynamic stimuli. In vivo quantitative hemodynamics, when combined with vascular lesion assessment, can yield important cause-and-effect relationships between hemodynamic and vascular responses.
Full text: PDF at ProQuest
Scott Ferguson
Title: Design of autonomous reconfigurable systems for use in extreme operating environments
Year: 2008
Advisor: Lewis, Kemper
Abstract: Is it possible to create transformable, multifunctional systems that provide optimal performance when mission or operating conditions change? More importantly, is such an approach technically and economically feasible?
Full text: PDF at ProQuest
Eleni Metaxa
Title: Endothelial cells under high flow
Year: 2008
Advisor: Meng, Hui
Abstract: The apparent tendency of intracranial aneurysms to form at apices of cerebral bi-furcations and outer sides of curved vessels, has led to many speculations that high wall shear stress (WSS) damages the arterial wall, starting from the outer layer.
Full text: PDF at ProQuest
Badr Alsuwaidan
Title: Generalized multiple model adaptive estimation
Year: 2008
Advisor: Crassidis, John
Abstract: In this dissertation a generalized multiple-model adaptive estimator (GMMAE) is presented that can be used to estimate the unknown noise statistics in filter designs. The assumed unknowns in the adaptive estimator are the process noise covariance elements.
Full text: PDF at ProQuest
Badr Alsuwaidan
Title: Generalized multiple model adaptive estimation
Year: 2008
Advisor: Crassidis, John
Abstract: In this dissertation a generalized multiple-model adaptive estimator (GMMAE) is presented that can be used to estimate the unknown noise statistics in filter designs. The assumed unknowns in the adaptive estimator are the process noise covariance elements.
Full text: PDF at ProQuest
Saurabh Srivastava
Title: Mixed discontinuous Galerkin methods: Application to nonlinear elastodynamics
Year: 2008
Advisor: Patra, Abani
Abstract: This dissertation describes the development of a class of new locally conservative, consistent and convergent mixed discontinuous Galerkin methods for linear and non-linear elastostatics, elastodynamics and viscoelasticity.
Full text: PDF at ProQuest
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Research Spotlight
MAE researchers have developed advanced computational techniques for Fire Simulation and multi-phase reacting turbulent flows.
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Research Spotlight
UB MAE researchers in computational mechanics have developed a high fidelity volcanic landslide simulator to aid geologists in mapping the hazard areas at locations such as the island of Montserrat.
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Research Spotlight
A Level Set Embedded Interface Method has been developed at Compuational Fluid Dynamics Laboratory to simulate Conjugate heat transfer for irregular geometries
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Research Spotlight
MAE's Laser Flow Diagnostic Laboratory is a leader holographic particle image velocimetry, a three-dimensional, next generation flow diagnostics tool.
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Research Spotlight
MAE's Automation, Robotics, and Mechatronics Laboratory is conducting research both on the theoretical formulation and experimental validation of such novel mechatronic systems as multi-robot collaboration.
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Research Spotlight
The nonlinear estimation group is developing techniques for propagating uncertainties through nonlinear dynamical systems for better forecasting and output uncertainty characterization.
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Research Spotlight
Study of Non-premixed flame-wall interaction using vortex ring configuration is done for the first time at the Computational Fluid Dynamics Laboratory.
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