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 [13796]
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Masters Theses [18728]
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Undergraduate Theses [24]
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Virginia Tech ETD Resources [11]
Documentation about creating and formatting Virginia Tech ETDs.
Recent Submissions
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Assessment of the Jones Act Waiver Process on Freight Transportation Networks Experiencing Disruption
(Virginia Tech, 2017-10-27)In October 2012, Hurricane Sandy caused massive disruption and destruction to the Mid-Atlantic region of the United States. The intensity of the storm forced the Port of New York and New Jersey to close, forcing cargo ... -
A Numerical Based Determination of Stress Intensity Factors for Partially Cracked Flexural I-shaped Cross-sections
(Virginia Tech, 2019-04-19)The AASHTO LRFD design specifications and the AASHTO manual for bridge evaluation are consistently revised using knowledge of previous bridge failures. Although modern steel structures are designed to resist fatigue cracking ... -
Advancement of the Hydrophobic-Hydrophilic Separation Process
(Virginia Tech, 2019-04-19)Froth flotation has long been regarded as the best available technology for ultrafine particles separation. However, froth flotation has extreme deficiencies for recovering ultrafine particles that are less than 30-50 μm ... -
AL-GA SACRIFICIAL ANODES: UNDERSTANDING PERFORMANCE VIA SIMULATION AND MODIFICATION OF ALLOY SEGREGATION
(Virginia Tech, 2019-04-19)Marine structures must withstand the corrosive effects of salt water in a way that is low cost, reliable, and environmentally friendly. Aluminum satisfies these conditions, and would be a good choice for a sacrificial ... -
Threat and Application of Frequency-Agile Radio Systems
(Virginia Tech, 2018-11-16)As traditional wireless systems that only operate on fixed frequency bands are reaching their capacity limits, advanced frequency-agile radio systems are developed for more efficient spectrum utilization. For example, white ... -
Pericytes in Early Vascular Development
(Virginia Tech, 2019-04-18)Blood vessels are critical for the delivery of oxygen and nutrients to all cells in the body. To properly function, blood vessels and their primary components must develop and mature into a healthy network, capable of ... -
Octavia
(Virginia Tech, 2019-04-18)Octavia is a 3D animated story based on experiences of Army divers in the waters of Southeast Asia. I built a strong core set of skills in end-to-end 3D animation throughout my time in the graduate program, and I wanted ... -
Birthers, Hand Signals, and Spirit Cooking: The Impact of Political Fake News Content on Facebook Engagement during the 2016 Presidential Election
(Virginia Tech, 2019-04-18)Throughout the 2016 U.S. presidential election, public debate and media coverage was shaped by so called "fake news" – news articles which were intentionally false, and designed to influence opinion and policy. Although ... -
Mothers’ and Fathers’ Differential Discussion of Emotion with their School-Age Children
(Virginia Tech, 2018-12-03)Parental socialization of emotions has been a topic of interest in developmental research for decades because of the importance of understanding how children learn about their emotions. The influence of the sex of both ... -
On-farm strategies for the prevention and detection of Gram-specific clinical mastitis in dairy cows
(Virginia Tech, 2019-04-17)Controlling mastitis in dairy herds relies on good prevention and detection methods. This dissertation describes two areas of research relating to mastitis control. In the first objective, the efficacy of 2 vaccines against ... -
High-Efficiency and High-Power Density DC-DC Power Conversion Using Wide Bandgap Devices for Modular Photovoltaic Applications
(Virginia Tech, 2019-04-17)With the development of solar energy, power conversion systems responsible for energy delivering from photovoltaic (PV) modules to ac or dc grid attract wide attentions and have significantly increased installations ... -
Physiological response of grazing horses to seasonal fluctuations in pasture nonstructural carbohydrates
(Virginia Tech, 2019-04-16)Forage is an essential part of the equine diet for health and performance. Pasture nonstructural carbohydrates (NSC) have been shown to fluctuate diurnally and seasonally throughout the year due to various factors including ... -
Encountering Agency with Decolonial Thought, New Materialism, and The Vegetarian
(Virginia Tech, 2019-04-16)In this thesis, I bring into conversation two political theoretical frameworks -- decolonial thought and new materialism – with the South Korean novella The Vegetarian. I suggest that the novella, especially through its ... -
Plant proteins as multifunctional additives in polymer composites
(Virginia Tech, 2019-04-16)Wheat gluten, wheat gliadin, and corn zein agricultural proteins were evaluated as multifunctional additives that: (1) provided reinforcement, (2) improved thermal stability, and (3) lowered the cost of polymer composites. ... -
Computational Tools for Annotating Antibiotic Resistance in Metagenomic Data
(Virginia Tech, 2019-04-15)Metagenomics has become a reliable tool for the analysis of the microbial diversity and the molecular mechanisms carried out by microbial communities. By the use of next generation sequencing, metagenomic studies can ... -
Experimental and Theoretical Developments in the Application of Lagrangian Coherent Structures to Geophysical Transport
(Virginia Tech, 2019-04-15)The transport of material in geophysical fluid flows is a problem with important implications for fields as diverse as: agriculture, aviation, human health, disaster response, and weather forecasting. Due to the unsteady ... -
Strange(r) Maps: The cosmopolitan geopolitics of Sri Lankan tourism
(Virginia Tech, 2019-04-15)Concerned with the ongoing coloniality within the form and interactions of international relations, this project examines the legacy of colonial mapping practices on contemporary geopolitics. Specifically, I investigate ... -
India's Temporal Imaginaries of Climate Change, 1988-2018
(Virginia Tech, 2019-04-15)The advent of climate change promises extreme disruptions to existing concepts of political time, namely the distinction between the modes of time adopted by modern nation-states, natural time, and the everyday life of ... -
Cattle Rustling and its Effect on South Sudanese Communities
(Virginia Tech, 2017-10-20)This exploratory mixed method study on "Cattle Rustling and its Effect on South Sudanese Communities" was carried out in the five South Sudanese states of Unity, Lake, Warrap, Jonglei, and Central Equatoria. The study ... -
The Role of Oxytocin in Bovine Satellite Cell Proliferation and Differentiation
(Virginia Tech, 2017-10-20)ABSTRACT Steroid hormones are reported to increase oxytocin (OXT) expression in skeletal muscle. It is possible that OXT may play essential roles in satellite cell (SC) proliferation and differentiation, which further ...
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