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2007

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Assessing Product Configurator Capabilities For Successful Mass Customization, Kundana Inala Jan 2007

Assessing Product Configurator Capabilities For Successful Mass Customization, Kundana Inala

University of Kentucky Master's Theses

Mass customization is becoming a competitive strategy for companies offering individualized products. Product configurators provide a platform for companies to do interactive product configuration which is essential for mass customization. Companies need to realize the degree of customization appreciated by the customers and the extent of customization that can be offered competitively. This research is an effort to develop an approach to ascertain the product configurator requirements to achieve mass customization. The frameworks developed for this research are validated with a case study.

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Rlinks: A Mechanism For Navigating To Related Files, Naveen Akarapu Jan 2007

Rlinks: A Mechanism For Navigating To Related Files, Naveen Akarapu

University of Kentucky Master's Theses

This thesis introduces Relative links or rlinks, which are directed labeled links from one file to another in a file system. Rlinks provide a clean way to build and share related-file information without creating additional files and directories. Rlinks form overlay graphs between files of a file system, thus providing useful alternate views of the file system. This thesis implements rlinks for the Linux kernel and modifies the storage structure of the Ext2 file system to store the rlinks.

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Finite Element Modeling Of An Inflatable Wing, Johnathan Rowe Jan 2007

Finite Element Modeling Of An Inflatable Wing, Johnathan Rowe

University of Kentucky Master's Theses

Inflatable wings provide an innovative solution to unmanned aerial vehicles requiring small packed volumes, such as those used for military reconnaissance or extra-planetary exploration. There is desire to implement warping actuation forces to change the shape of the wing during flight to allow for greater control of the aircraft. In order to quickly and effectively analyze the effects of wing warping strategies on an inflatable wing, a finite element model is desired. Development of a finite element model which includes woven fabric material properties, internal pressure loading, and external wing loading is presented. Testing was performed to determine material properties …

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Semi-Empirical Method For Designing Excavation Support Systems Based On Deformation Control, David G. Zapata-Medina Jan 2007

Semi-Empirical Method For Designing Excavation Support Systems Based On Deformation Control, David G. Zapata-Medina

University of Kentucky Master's Theses

Due to space limitations in urban areas, underground construction has become a common practice worldwide. When using deep excavations, excessive lateral movements are a major concern because they can lead to significant displacements and rotations in adjacent structures. Therefore, accurate predictions of lateral wall deflections and surface settlements are important design criteria in the analysis and design of excavation support systems. This research shows that the current design methods, based on plane strain analyses, are not accurate for designing excavation support systems and that fully three-dimensional (3D) analyses including wall installation effects are needed. A complete 3D finite element simulation …

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Numerical Simulation Of Two Flow Control Approaches For Low Reynolds Number Applications, Daniel A. Reasor Jr. Jan 2007

Numerical Simulation Of Two Flow Control Approaches For Low Reynolds Number Applications, Daniel A. Reasor Jr.

University of Kentucky Master's Theses

Current research in experimental and computational fluid dynamics is focused in the area of flow control. Flow control devices are usually classified as either passive or active. Plasma actuators are active flow control devices that require input from an external power source. Current efforts have modeled the effects of plasma actuators as a body force near the electrode. The research presented herein focuses on modeling the fluid-plasma interaction seen in dielectric barrier discharge plasma actuators as a body force vector in the region above the embedded electrode using computational fluid dynamics (CFD). This body force is modeled as the product …

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"Appalachian Ingenuity" In Action: Activists Reach Beyond Traditional Economic Development In Kentucky, Stephanie Ann Blessing Jan 2007

"Appalachian Ingenuity" In Action: Activists Reach Beyond Traditional Economic Development In Kentucky, Stephanie Ann Blessing

University of Kentucky Master's Theses

This Thesis is an exploration into social change strategies in Appalachia that are alternative to conventional economic development practices and discourses. Drawing from original interviews with social justice activists in central and eastern Kentucky, I document a diversity of subversive discourses circulating in Appalachia, and I delineate models alternative to development that are driving action in several different communities. Through what one of my interviewees described as Appalachian ingenuity,1 individuals are enacting extremely hopeful and imaginative projects, and they are conjuring unique formulations that contribute to academic theories on alternative economies, capitalocentrism, neoliberalism, postmodern economics, anti-development, post-development, and spatial strategies …

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Semistructured Probabilistic Object Query Language (A Query Language For Semistructured Probabilistic Data), Praveen Gutti Jan 2007

Semistructured Probabilistic Object Query Language (A Query Language For Semistructured Probabilistic Data), Praveen Gutti

University of Kentucky Master's Theses

This work presents SPOQL, a structured query language for Semistructured Probabilistic Object (SPO) model [4]. The original query language for semistructured probabilistic database management system [20], SP-Algebra [4], has limitations such as complex functional notation and unfamiliarity to application programmers. SPOQL alleviates these problems by providing a user friendly and familiar SQL-like declarative syntax for writing queries against SPDBMS. We show that parsing SPOQL queries is a more involving task than parsing SQL queries. We describe the evaluation algorithm for SPOQL queries that we have implemented.

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Influence Of Surface Roughness Of Copper Substrate On Wetting Behavior Of Molten Solder Alloys, Dinesh Reddy Nalagatla Jan 2007

Influence Of Surface Roughness Of Copper Substrate On Wetting Behavior Of Molten Solder Alloys, Dinesh Reddy Nalagatla

University of Kentucky Master's Theses

The objective of this study is to understand the effect of surface roughness of the Cu substrate on the wetting of molten solder alloys. Eutectic Sn-Pb, pure Sn and eutectic Sn-Cu solder alloys and Cu substrates with different surface finish viz., highly polished surface, polished surface and unpolished surface were used in this work. Highly polished surface was prepared in Metallography lab, University of Kentucky while other two substrates were obtained from a vendor. Surface roughness properties of each substrate were measured using an optical profilometer. Highly polished surface was found to be of least surface roughness, while unpolished surface …

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The Process Of Using Superplastic Forming To Create Medical Components, Daniel Lee Thomas Jan 2007

The Process Of Using Superplastic Forming To Create Medical Components, Daniel Lee Thomas

University of Kentucky Master's Theses

In the present work superplastic forming (SPF) is used as part of a process to create medical implants out of titanium. SPF is a forming process which offers many advantages over conventional forming processes. It allows for greater complexity in shape as well as the ability to work with difficult to form metals such as titanium which is a key metal in the biomedical field. SPF has been used extensively in the aerospace and automobile industry, however in recent years it has been shown to be a viable means in creating medical implants. The current process involves manipulating CT scans …

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The Use Of Selective Annealing For Superplastic Forming Of Mg Az31 Alloy, Michael Christopher Cusick Jan 2007

The Use Of Selective Annealing For Superplastic Forming Of Mg Az31 Alloy, Michael Christopher Cusick

University of Kentucky Master's Theses

A recent study on the Post-Formed properties of Superplastically Formed Magnesium AZ31B has shown that the heating time prior to testing has a major effect on the Post Forming properties of the superplastically material. To this point, there has been very little examination into the effect of pre-heating or annealing on superplastic forming (SPF) properties. In this work, the effects of annealing prior to the SPF of Mg AZ31 alloy were examined. Both high temperature SPF tensile and bulge specimens were formed after annealing. Multiple annealing temperatures were examined to produce specimens with grain sizes ranging from 8 andamp;igrave;m to …

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An Approach To Inverse Modeling Through The Integration Of Artificial Neural Networks And Genetic Algorithms, Kirthi Bedida Jan 2007

An Approach To Inverse Modeling Through The Integration Of Artificial Neural Networks And Genetic Algorithms, Kirthi Bedida

University of Kentucky Master's Theses

A hybrid model integrating predictive capabilities of Artificial Neural Network (ANN) and optimization feature of Genetic Algorithm (GA) is developed for the purpose of inverse modeling. The proposed approach is applied to Superplastic forming of materials to predict the material properties which characterize the performance of a material. The study is carried out on two problems. For the first problem, ANN is trained to predict the strain rate sensitivity index m given the temperature and the strain rate. The performance of different gradient search methods used in training the ANN model is demonstrated. Similar approach is used for the second …

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The Development Of An Engine Lubricant Containing Soybean Oil, Stephanie Mccoy Jan 2007

The Development Of An Engine Lubricant Containing Soybean Oil, Stephanie Mccoy

University of Kentucky Master's Theses

The major downfalls of vegetable oils, namely soybean oil in this research, are very detrimental to engine lubricant performance. A unique - out of the box- additive package is needed to compensate for the lubricant deficiencies. This research searched for unique additive solutions to the problems of oxidation and heat stability, low temperature pumpability, and fluid corrosiveness. The additive solutions were then tested in preliminary engine tests. In this research, several formulations were developed that passed the main engine oil low temperature test, the mini rotary viscometer. The lubricants met the passing viscosity requirements of 60,000 centipoise and exhibited no …

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Effectiveness Of Multifaceted Hospitalwide Quality Improvement Programs Featuring An Intervention To Remove Unnecessary Urinary Catheters At A Tertiary Care Center In Thailand, Anucha Apisarnthanarak, Kanokporn Thongphubeth, Sirinaj Sirinvaravong, Danai Kitkangvan, Chananart Yuekyen, Boonyasit Warachan, David K. Warren, Victoria J. Fraser Jan 2007

Effectiveness Of Multifaceted Hospitalwide Quality Improvement Programs Featuring An Intervention To Remove Unnecessary Urinary Catheters At A Tertiary Care Center In Thailand, Anucha Apisarnthanarak, Kanokporn Thongphubeth, Sirinaj Sirinvaravong, Danai Kitkangvan, Chananart Yuekyen, Boonyasit Warachan, David K. Warren, Victoria J. Fraser

Open Access Publications

No abstract provided.

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Defining Limits Of Treatment With Humanized Neutralizing Monoclonal Antibody For West Nile Virus Neurological Infection In A Hamster Model, John D. Morrey, Venkatraman Siddharthan, Aaron L. Olsen, Hong Wang, Justin G. Julander, Jeffery O. Hall, Hua Li, Jeffrey L. Nordstrom, Scott Koenig, Syd Johnson, Michael S. Diamond Jan 2007

Defining Limits Of Treatment With Humanized Neutralizing Monoclonal Antibody For West Nile Virus Neurological Infection In A Hamster Model, John D. Morrey, Venkatraman Siddharthan, Aaron L. Olsen, Hong Wang, Justin G. Julander, Jeffery O. Hall, Hua Li, Jeffrey L. Nordstrom, Scott Koenig, Syd Johnson, Michael S. Diamond

Open Access Publications

No abstract provided.

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E2f8 Is A Nonreceptor Activator Of Heterotrimeric G Proteins, Ian S. Hagemann, Kirk D. Narzinski, Thomas J. Baranski Jan 2007

E2f8 Is A Nonreceptor Activator Of Heterotrimeric G Proteins, Ian S. Hagemann, Kirk D. Narzinski, Thomas J. Baranski

Open Access Publications

No abstract provided.

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Calmodulin Kinase Ii Inhibition Enhances Ischemic Preconditioning By Augmenting Atp-Sensitive K+ Current, Jingdong Li, Celine Marionneau, Olha Koval, Leonid Zingman, Peter J. Mohler, Jeanne M. Nerbonne, Mark E. Anderson Jan 2007

Calmodulin Kinase Ii Inhibition Enhances Ischemic Preconditioning By Augmenting Atp-Sensitive K+ Current, Jingdong Li, Celine Marionneau, Olha Koval, Leonid Zingman, Peter J. Mohler, Jeanne M. Nerbonne, Mark E. Anderson

Open Access Publications

No abstract provided.

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The Pathogenic Fungus Cryptococcus Neoformans Expresses Two Functional Gdp-Mannose Transporters With Distinct Expression Patterns And Roles In Capsule Synthesis, Tricia R. Cottrell, Cara L. Griffith, Hong Liu, Ashley A. Nenninger, Tamara L. Doering Jan 2007

The Pathogenic Fungus Cryptococcus Neoformans Expresses Two Functional Gdp-Mannose Transporters With Distinct Expression Patterns And Roles In Capsule Synthesis, Tricia R. Cottrell, Cara L. Griffith, Hong Liu, Ashley A. Nenninger, Tamara L. Doering

Open Access Publications

No abstract provided.

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Organogenesis Of Kidney And Endocrine Pancreas: The Window Opens, Marc R. Hammerman Jan 2007

Organogenesis Of Kidney And Endocrine Pancreas: The Window Opens, Marc R. Hammerman

Open Access Publications

No abstract provided.

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Calling Cards For Dna-Binding Proteins, Haoyi Wang, Mark Johnston, Robi David Mitra Jan 2007

Calling Cards For Dna-Binding Proteins, Haoyi Wang, Mark Johnston, Robi David Mitra

Open Access Publications

No abstract provided.

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Electromagnetic Controlled Cortical Impact Device For Precise, Graded Experimental Traumatic Brain Injury, David L. Brody, Christine Mac Donald, Chad C. Kessens, Carla Yuede, Maia Parsadanian, Mike Spinner, Eddie Kim, Katherine E. Schwetye, David M. Holtzman, Philip V. Bayly Jan 2007

Electromagnetic Controlled Cortical Impact Device For Precise, Graded Experimental Traumatic Brain Injury, David L. Brody, Christine Mac Donald, Chad C. Kessens, Carla Yuede, Maia Parsadanian, Mike Spinner, Eddie Kim, Katherine E. Schwetye, David M. Holtzman, Philip V. Bayly

Open Access Publications

No abstract provided.

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Numerical Investigation And Parallel Computing For Thermal Transport Mechanism During Nanomachining, Ravi R. Kumar Jan 2007

Numerical Investigation And Parallel Computing For Thermal Transport Mechanism During Nanomachining, Ravi R. Kumar

University of Kentucky Master's Theses

Nano-scale machining, or Nanomachining is a hybrid process in which the total thermal energy necessary to remove atoms from a work-piece surface is applied from external sources. In the current study, the total thermal energy necessary to remove atoms from a work-piece surface is applied from two sources: (1) localized energy from a laser beam focused to a micron-scale spot to preheat the work-piece, and (2) a high-precision electron-beam emitted from the tips of carbon nano-tubes to remove material via evaporation/sublimation. Macro-to-nano scale heat transfer models are discussed for understanding their capability to capture and its application to predict the …

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Faster Dynamic Programming For Markov Decision Processes, Peng Dai Jan 2007

Faster Dynamic Programming For Markov Decision Processes, Peng Dai

University of Kentucky Master's Theses

Markov decision processes (MDPs) are a general framework used by Artificial Intelligence (AI) researchers to model decision theoretic planning problems. Solving real world MDPs has been a major and challenging research topic in the AI literature. This paper discusses two main groups of approaches in solving MDPs. The first group of approaches combines the strategies of heuristic search and dynamic programming to expedite the convergence process. The second makes use of graphical structures in MDPs to decrease the effort of classic dynamic programming algorithms. Two new algorithms proposed by the author, MBLAO* and TVI, are described here.

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A Camera-Based Energy Relaxation Framework To Minimize Color Artifacts In A Projected Display, Nathaniel Sanders Jan 2007

A Camera-Based Energy Relaxation Framework To Minimize Color Artifacts In A Projected Display, Nathaniel Sanders

University of Kentucky Master's Theses

We introduce a technique to automatically correct color inconsistencies in a display composed of one or more digital light projectors (DLP). The method is agnostic to the source of error and can detect and address color problems from a number of sources. Examples include inter- and intra-projector color differences, display surface markings, and environmental lighting differences on the display. In contrast to methods that discover and map all colors into the greatest common color space, we minimize local color discontinuities to create color seamlessness while remaining tolerant to significant color error. The technique makes use of a commodity camera and …

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Object Matching In Disjoint Cameras Using A Color Transfer Approach, Kideog Jeong Jan 2007

Object Matching In Disjoint Cameras Using A Color Transfer Approach, Kideog Jeong

University of Kentucky Master's Theses

Object appearance models are a consequence of illumination, viewing direction, camera intrinsics, and other conditions that are specific to a particular camera. As a result, a model acquired in one view is often inappropriate for use in other viewpoints. In this work we treat this appearance model distortion between two non-overlapping cameras as one in which some unknown color transfer function warps a known appearance model from one view to another. We demonstrate how to recover this function in the case where the distortion function is approximated as general affine and object appearance is represented as a mixture of Gaussians. …

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3d Reconstruction From Stereo/Range Images, Qingxiong Yang Jan 2007

3d Reconstruction From Stereo/Range Images, Qingxiong Yang

University of Kentucky Master's Theses

3D reconstruction from stereo/range image is one of the most fundamental and extensively researched topics in computer vision. Stereo research has recently experienced somewhat of a new era, as a result of publically available performance testing such as the Middlebury data set, which has allowed researchers to compare their algorithms against all the state-of-the-art algorithms. This thesis investigates into the general stereo problems in both the two-view stereo and multi-view stereo scopes. In the two-view stereo scope, we formulate an algorithm for the stereo matching problem with careful handling of disparity, discontinuity and occlusion. The algorithm works with a global …

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Application Of Genetic Algorithms And Cfd For Flow Control Optimization, Narendra Beliganur Kotragouda Jan 2007

Application Of Genetic Algorithms And Cfd For Flow Control Optimization, Narendra Beliganur Kotragouda

University of Kentucky Master's Theses

Active flow control is an area of heightened interest in the aerospace community. Previous research on flow control design processes heavily depended on trial and error and the designers knowledge and intuition. Such an approach cannot always meet the growing demands of higher design quality in less time. Successful application of computational fluid dynamics (CFD) to this kind of control problem critically depends on an efficient searching algorithm for design optimization. CFD in conjunction with Genetic Algorithms (GA) potentially offers an efficient and robust optimization method and is a promising solution for current flow control designs. Current research has combined …

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Power System Fault Detection And Classification By Wavelet Transforms And Adaptive Resonance Theory Neural Networks, Karthikeyan Kasinathan Jan 2007

Power System Fault Detection And Classification By Wavelet Transforms And Adaptive Resonance Theory Neural Networks, Karthikeyan Kasinathan

University of Kentucky Master's Theses

This thesis aims at detecting and classifying the power system transmission line faults. To deal with the problem of an extremely large data set with different fault situations, a three step optimized Neural Network approach has been proposed. The approach utilizes Discrete Wavelet Transform for detection and two different types of self-organized, unsupervised Adaptive Resonance Theory Neural Networks for classification. The fault scenarios are simulated using Alternate Transients Program and the performance of this highly improved scheme is compared with the existing techniques. The simulation results prove that the proposed technique handles large data more efficiently and time of operation …

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Analytical Methods For Transport Equations In Similarity Form, Abhishek Tiwari Jan 2007

Analytical Methods For Transport Equations In Similarity Form, Abhishek Tiwari

University of Kentucky Master's Theses

We present a novel approach for deriving analytical solutions to transport equations expressedin similarity variables. We apply a fixed-point iteration procedure to these transformedequations by formally solving for the highest derivative term and then integrating to obtainan expression for the solution in terms of a previous estimate. We are able to analyticallyobtain the Lipschitz condition for this iteration procedure and, from this (via requirements forconvergence given by the contraction mapping principle), deduce a range of values for the outerlimit of the solution domain, for which the fixed-point iteration is guaranteed to converge.

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Catalytic Growth Of Structured Carbon Via The Decomposition Of Halogenated Reactants Over Supported Nickel, Laxmi Deepshika Cherukuri Jan 2007

Catalytic Growth Of Structured Carbon Via The Decomposition Of Halogenated Reactants Over Supported Nickel, Laxmi Deepshika Cherukuri

University of Kentucky Master's Theses

The synthesis of highly ordered carbonaceous materials, including carbon nanofibers, has been the subject of a disparate and burgeoning literature over the past decade. Growth of carbon nanotubes via an atypical catalytic route, the decomposition of halogenated reactants as chlorobenzene (CB) over 10% (w/w) Ni/SiO2 is investigated. The C (carbon) yield and structural order are a function of reaction time and temperature. Greater degree of structural order and C yield is observed from CB relative to benzene, suggesting Cl/catalyst interaction(s) and metal site restructuring. Evaluation of the effect of H2 on C growth from CB reveals that C yield is …

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Geophysical And Geological Investigation Of Neotectonic Deformation Along The Caborn And Hovey Lake Faults, Wabash Valley Fault System, Central United States, James Whitt Jan 2007

Geophysical And Geological Investigation Of Neotectonic Deformation Along The Caborn And Hovey Lake Faults, Wabash Valley Fault System, Central United States, James Whitt

University of Kentucky Master's Theses

Seismic reflection (P- and SH-wave), ground-penetrating radar, correlative drilling, and age dating data provide evidence of neotectonic deformation along the Caborn (CF) and Hovey Lake (HLF) faults, in the Wabash Valley fault system (WVFS). The WVFS is a series of high-angle normal faults located primarily in southern Indiana and Illinois. Since their formation, these faults have likely been transpressionally reactivated in the contemporary E-W-oriented compressive stress state. The WVFS has experienced large prehistoric earthquakes, but only moderate historic and contemporary seismicity; therefore, the seismic potential in this region is poorly defined. The bedrock expressions of the CF and HLF were …

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