ETDs: Virginia Tech Electronic Theses and Dissertations
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Virginia Tech has been a world leader in electronic theses and dissertation initiatives for more than 20 years. On January 1, 1997, Virginia Tech was the first university to require electronic submission of theses and dissertations (ETDs). Ever since then, Virginia Tech graduate students have been able to prepare, submit, review, and publish their theses and dissertations online and to append digital media such as images, data, audio, and video.
University Libraries staff are currently digitizing thousands of pre-1997 theses and dissertations and loading them into VTechWorks. Most of these theses and dissertations are fully available to the public, but we will, in general, honor requests by the item's author to restrict access to Virginia Tech only. See our process for Requesting that Material be Amended or Removed.
To search all Virginia Tech print and digital theses and dissertations, use the University Libraries ETD resource guide.
Materials that are restricted to Virginia Tech only may be requested via your own university or public library's Interlibrary Loan program or through the VTechWorks request form that appears when you try to access the item. You might also be able to obtain a copy of the work through ProQuest's database of theses and dissertations. If you are on a Virginia Tech campus but are unable to find the pre-1997 thesis or dissertation you are seeking in VTechWorks, you may also be able to order a physical copy from library storage. Please check the library catalog at http://www.lib.vt.edu/ for physical copies.
The guidelines that apply to Virginia Tech's graduate students as ETD authors can be found at http://guides.lib.vt.edu/ETDguide.
Collections in this community
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Doctoral Dissertations [13212]
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Masters Theses [18191]
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Undergraduate Theses [11]
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Virginia Tech ETD Resources [11]
Documentation about creating and formatting Vinginia Tech ETDs.
Recent Submissions
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Virtual Teaching Assistant to Support Students' Efforts in Programming
(Virginia Tech, 2018-08-14)Novice programmers often find learning programming difficult. They suffer from various misconceptions and difficulties in understanding the subject. The overall experience with programming can be negative for many students. ... -
Discovery of a Novel Microalgal Strain Scenedesmus Sp. A6 and Exploration of Its Potential as a Microbial Cell Factory
(Virginia Tech, 2018-08-14)Microalgae are photosynthetic organisms considered to be one of the most promising high-value chemicals and biofuel-producing organisms. However, there are several challenges for the widespread implementation of industrial ... -
Implementing Differential Privacy for Privacy Preserving Trajectory Data Publication in Large-Scale Wireless Networks
(Virginia Tech, 2018-08-14)Wireless networks collect vast amounts of log data concerning usage of the network. This data aids in informing operational needs related to performance, maintenance, etc., but it is also useful for outside researchers in ... -
Interaction of Clay Wash Load With Gravel Beds
(Virginia Tech, 2017-02-20)This study focuses on the interaction of wash load particles with gravel bed rivers. The effects of excess fine sediment loading to streams on general water quality, contaminant transport, and benthic organism mortality ... -
Dynamic Analysis and Control of Multi-machine Power System with Microgrids: A Koopman Mode Analysis Approach
(Virginia Tech, 2017-02-20)Electric power systems are undergoing significant changes with the deployment of large-scale wind and solar plants connected to the transmission system and small-scale Distributed Energy Resources (DERs) and microgrids ... -
Human Dimensions of Young Forest Conservation Programs: Effects of Outreach, Post-Program Management, and a Coupled Systems Perspective
(Virginia Tech, 2018-08-13)Achieving long-term conservation gains through the framework of conservation incentive programs requires an understanding of both the ecological and social components of these programs. Landowner program experiences and ... -
Crack Initiation Analysis in Residual Stress Zones with Finite Element Methods
(Virginia Tech, 2018-08-10)This research explores the nearly untapped research area of the analysis of fracture mechanics in residual stress zones. This type of research has become more prevalent in the field in recent years due to the increase in ... -
Designing for Health in the Suburbs
(Virginia Tech, 2018-08-09)This thesis is a proposal on how architects and designers can begin to rethink our role in providing for the health, safety and welfare of the general population- with an emphasis on health- specifically in existing ... -
Building Features that Impact Perceptions of Safety as Seen Through the Eyes of Students and Teachers
(Virginia Tech, 2018-08-09)When students perceive their surroundings as being safe and comfortable, they can concentrate on higher order tasks such as learning (Bowen et al., 1998); a perception of safety is a "basic requirement" for academic success ... -
Design, Fabrication and Testing of Fiber-Reinforced Cellular Structures with Tensegrity Behavior using 3D Printed Sand Molds
(Virginia Tech, 2017-02-15)The overall goal of this work is to improve the structural performance of cellular structures in bending applications by incorporating tensegrity behavior using long continuous fibers. The designs are inspired by the ... -
Geographical Information System (GIS) web applications for data visualization of Drinking Water pipelines
(Virginia Tech, 2018-08-08)Robust decision support tools that aid water utilities to make informed, swift and precise decisions are becoming the need of the hour. Application of sophisticated models to aid the process of condition assessment and ... -
Describing Trail Cultures through Studying Trail Stakeholders and Analyzing their Tweets
(Virginia Tech, 2018-08-08)While many people enjoy hiking as a weekend activity, to many outdoor enthusiasts there is a hiking culture with which they feel affiliated. However, the way that these cultures interact with each other is still unclear. ... -
Sensitivity of Feedforward Neural Networks to Harsh Computing Environments
(Virginia Tech, 2018-08-08)Neural Networks have proven themselves very adept at solving a wide variety of problems, in particular they accel at image processing. However, it remains unknown how well they perform under memory errors. This thesis ... -
Compiler-Directed Error Resilience for Reliable Computing
(Virginia Tech, 2018-08-08)Error resilience has become as important as power and performance in modern computing architecture. There are various sources of errors that can paralyze real-world computing systems. Of particular interest to this ... -
Bridging Mesoscale Phenomena and Macroscopic Properties in Block Copolymers Containing Ionic Interactions and Hydrogen Bonding
(Virginia Tech, 2018-08-08)Anionic polymerization and controlled radical polymerization enabled the synthesis of novel block copolymers with non-covalent interactions (electrostatic interaction and/or hydrogen bonding) to examine the relationships ... -
Assessing Green Infrastructure Needs in Hampton Roads, Virginia and Identifying the Role of Virginia Cooperative Extension
(Virginia Tech, 2018-08-08)The Hampton Roads region of southeast Virginia is largely defined by its abundant water resources. These water resources are also a source of unique issues for the region. Specifically, water quality challenges related to ... -
Nonblocking Memory Refresh
(Virginia Tech, 2018-08-08)Since its inception half a century ago, DRAM has required dynamic/active refresh operations that block read requests and decrease performance. We propose refreshing DRAM in the background without stalling read accesses to ... -
Development Towards the use of Beamforming and Adaptive Line Enhancers for Audio Detection of Quadcopters
(Virginia Tech, 2018-08-08)The usage of Unmanned Aerial Systems (UASs), such as quadcopters and hexacopters, has steadily increased over the past few years in both recreational and commercial use. This increased availability to purchase such systems ... -
Use of Assembly Inspired Instructions in the Allowance of Natural Language Processing in ROS
(Virginia Tech, 2018-08-08)Natural Language processing is a growing field and widely used in both industrial and and commercial cases. Though it is difficult to create a natural language system that can robustly react to and handle every situation ... -
The Signal in the Noise: Understanding and Mitigating Decorrelation in Particle Image Velocimetry
(Virginia Tech, 2017-02-14)Particle image velocimetry (PIV) has become one of the most important tools for experimentally investigating the physics of fluid flows. In PIV, image-processing algorithms estimate flow velocity by measuring the displacements ...
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