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.
New! - Help video: Searching for Electronic Theses and Dissertations in VTechWorks
Collections in this community
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Doctoral Dissertations [16107]
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Masters Theses [21257]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Evaluation of anaerobic soil disinfestation using brewers spent grain and yeast inoculation in annual hill plasticulture strawberry production
(Virginia Tech, 2021-04-14)Anaerobic soil disinfestation (ASD) is a promising alternative to chemical fumigation to control soil-borne plant pathogens and weeds. This research focused on evaluating several locally available carbon sources for ASD ... -
Effects of Scale Reduction Technologies and Chemical Inhibitors on Calcium Precipitation in Premise Plumbing Systems
(Virginia Tech, 2021-04-14)Precipitation of solids in plumbing systems (i.e., scaling) is a major problem in both traditional tank (electric and gas) and tank-less building hot water systems. Scaling can cause energy inefficiencies, flow reduction, ... -
Extracting Feature Vectors From Event-Related fMRI Data to Enable Machine Learning Analysis
(Virginia Tech, 2022-10-05)Linear models are the dominant means of extracting summaries of events in fMRI for feature vector based machine learning. While they are both useful and robust, they are limited by the assumptions made in modeling. In this ... -
Machine Learning Applications in Structural Analysis and Design
(Virginia Tech, 2022-10-05)Artificial intelligence (AI) has progressed significantly during the last several decades, along with the rapid advancements in computational power. This advanced technology is currently being employed in various engineering ... -
Design and Optimization of Temporal Encoders using Integrate-and-Fire and Leaky Integrate-and-Fire Neurons
(Virginia Tech, 2022-10-05)As Moore's law nears its limit, a new form of signal processing is needed. Neuromorphic computing has used inspiration from biology to produce a new form of signal processing by mimicking biological neural networks using ... -
Towards Improving and Extending Traditional Robot Autonomy with Human Guided Machine Learning
(Virginia Tech, 2022-10-05)Traditional autonomy among robotic and other artificial agents was accomplished via automated planning methods that found a viable sequence of actions, which, if executed by an agent, would result in the successful completion ... -
Series DC Arc Fault Detection for a Grid-Tie Solar PV Power Generation System
(Virginia Tech, 2022-10-05)A real-time algorithm is developed for the detection of series dc arc faults in a grid-tie solar photovoltaic (PV) installation. The sensed dc bus current, which is sampled using an analog-to-digital converter with Galvanic ... -
Kinetic Property and SS 316/Alloy 617 Corrosion Study in Molten Chloride and Fluoride Salts
(Virginia Tech, 2022-10-04)This study focused on the kinetic data measurements, such as diffusion coefficient D and exchange current density i_0 of the electrochemical reactions of corrosion products (Fe, Cr and Ni ions) and corrosive species (OH-), ... -
Analysis of Interfacial Processes on Non-Wetting Surfaces
(Virginia Tech, 2022-10-04)Non-wetting surfaces mainly categorized into superhydrophobic (SHS), lubricant-infused (LIS) and solid-infused surfaces (SIS), by virtue of their superior water repellant properties have wide applications in several energy ... -
Andromeda in Education: Studies on Student Collaboration and Insight Generation with Interactive Dimensionality Reduction
(Virginia Tech, 2022-10-04)Andromeda is an interactive visualization tool that projects high-dimensional data into a scatterplot-like visualization using Weighted Multidimensional Scaling (WMDS). The visualization can be explored through surface-level ... -
Numerical Study of Energy Loss Mechanisms in Oscillating Underwater Explosion (UNDEX) Bubbles
(Virginia Tech, 2022-09-29)In this study a modern hydrocode, blastFoam, that was designed for multi-phase compressible flow problems with applications suited for high-explosive detonation was investigated for underwater explosion (UNDEX) events. The ... -
Adaptive Controller Development and Evaluation for a 6DOF Controllable Multirotor
(Virginia Tech, 2022-10-03)The omnicopter is a small unmanned aerial vehicle capable of executing decoupled translational and rotational motion (six degree of freedom, 6DOF, motion). The development of controllers for various 6DOF controllable ... -
Evaluating Microglia Dynamics in Blast and Impact-Induced Neurotrauma and Assessing the Role of Hemostatic Nanoparticles in Microglia Activation
(Virginia Tech, 2022-10-03)Traumatic brain injury (TBI) is a major medical concern that has demonstrated to be particularly challenging to treat because of the disparity amongst injury modes and severities. Increased use of explosive devices during ... -
Surface in the Making: A Study in Colors and Weaving
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Modeling, Analysis, and Real-Time Design of Many-Antenna MIMO Networks
(Virginia Tech, 2021-09-14)Among the many advances and innovations in wireless technologies over the past twenty years, MIMO is perhaps among the most successful. MIMO technology has been evolving over the past two decades. Today, the number of ... -
Maximizing Local Access to Therapeutic Deliveries in Glioblastoma: Evaluating the utility and mechanisms of potential adverse events for minimally invasive diagnostic two novel therapeutic techniques for brain tumors
(Virginia Tech, 2022-09-29)Glioblastoma (GBM) is the most common adult malignant glioma (MG) variant, and the median survival of persons with GBM is about 2 years, even with aggressive treatments. Dogs and humans are the only species in which brain ... -
Meeting the Self and the Other: Intercultural Learning During a Faculty-led Short-term Service-Learning Course to Belize
(Virginia Tech, 2021-04-07)Cross-cultural knowledge and intercultural competence are highly valued qualities for 21st-century American college and university graduates, as these institutions endeavor to prepare students to live and work in an ... -
Fire, flooding, and felids: Deer and puma spatial ecology and predator-prey interactions in dynamic, subtropical wildlands
(Virginia Tech, 2021-04-06)Cyclic and extreme ecological disturbances have the capacity to alter resources and thereby animal populations. Interactions between disturbance and resource availability can influence predator-prey interactions. Predator-prey ... -
Determining the Pathogenesis and Enzootic Transmission of Usutu Virus
(Virginia Tech, 2022-09-02)Usutu virus (USUV) is an emerging zoonotic virus within the Flaviviridae family that can cause neurological disease in humans and wild birds. USUV is maintained in an enzootic cycle between wild birds, primarily passerine ... -
Transport and Adsorption in Nanoscale Confinement
(Virginia Tech, 2022-09-27)Nanoscale confinement can be defined as a space confined by interfaces with at least one nanometer-scale dimension. Objects under nanoscale confinement have a large ratio of interfacial area to volume that makes interfacial ...
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