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 [15172]
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Masters Theses [19975]
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Undergraduate Theses [29]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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OpenFOAM Implementation of Microbubble Models for Ocean Applications
(Virginia Tech, 2021-07-27)An investigation was carried out on the current state of the art in bubble modelling for computational fluid dynamics, and comparisons made between the different methods for both polydisperse and monodisperse multiphase ... -
Scalability Analysis and Optimization for Large-Scale Deep Learning
(Virginia Tech, 2020-02-03)Despite its growing importance, scalable deep learning (DL) remains a difficult challenge. Scalability of large-scale DL is constrained by many factors, including those deriving from data movement and data processing. ... -
Characterizing the Drivers of Carbon Use in Post-Anoxic Denitrification
(Virginia Tech, 2021-07-26)Three of Hampton Roads Sanitation District's (HRSD's) conventional activated sludge Water Resource Recovery Facilities (WRRFs) add methanol for post-anoxic denitrification: the Virginia Initiative Plant (VIP), Nansemond ... -
Assessing the Influence of Prescribed Fire on Faunal Communities in a Pyric Landscape
(Virginia Tech, 2020-01-31)Understanding the link between environmental factors such as disturbance events, land cover, and soil productivity to spatial variation in animal distributions and vital rates is fundamental to population ecology and ... -
Populist Just Transitions
(Virginia Tech, 2020-01-31)This dissertation argues that the just transition policy framework may not vivify labor internationalism or erode support for right-wing populists if just transitions are not part of left-wing populist projects. Labor ... -
Factors influencing arbovirus transmission: vector competence and the effects of virus infection on repellent response, oxidative stress, and glutathione-S-transferase activity
(Virginia Tech, 2020-01-31)Zika (ZIKV), La Crosse (LACV), and Cache Valley (CVV) viruses are mosquito-vectored diseases that cause significant morbidity and mortality in humans and animals. Transmission of these viruses are dependent on numerous ... -
Systematic Tire Testing and Model Parameterization for Tire Traction on Soft Soil
(Virginia Tech, 2020-01-30)Tire performance over soft soil influences the performance of off-road vehicles on soft soil, as the tire is the only force transmitting element between the off-road vehicles and soil during the vehicle operation. One ... -
Archimedean Screw Turbine Based Energy Harvester and Acoustic Communication in Well Site Applications
(Virginia Tech, 2020-01-30)Wireless Sensor Networks (WSNs) has become increasingly important in the Oil and Gas industry. Despite the various advantages WSN has compared to the wired counter parts, it also faces some critical challenges in the oil ... -
Polymer Nanoparticle Characterization and Applications for Drug Delivery
(Virginia Tech, 2019-01-30)Nanoparticle usage continues to increase in everyday products, from cosmetics to food preservation coatings, drug delivery to polymer fillers. Their characterization and synthesis is of utmost importance to ensure safety ... -
Identity at Work: Balancing Demographic-related Identity in the Workplace and the Impact on Extra-role Behaviors and Turnover Intentions
(Virginia Tech, 2021-07-22)People simultaneously hold a multitude of social identifications while at work, some of which are work-related and some of which transcend the workplace. To date, the vast majority of studies on social identities focus on ... -
Spectrum Management Issues in Centralized and Distributed Dynamic Spectrum Access
(Virginia Tech, 2021-07-22)Dynamic spectrum access (DSA) is a powerful approach to mitigate the spectrum scarcity problem caused by rapid increase in wireless communication demands. Based on architecture design, DSA systems can be categorized as ... -
3D Commutation-Loop Design Methodology for a SiC Based Matrix Converter run in Step-up mode with PCB Aluminum Nitride Cooling Inlay
(Virginia Tech, 2021-07-22)This work investigates three-dimensional power loop layout for application to a SiC based matrix converter, providing a symmetric, low-inductance solution. The thesis presents various layout types to achieve this design ... -
Solace From Space
(Virginia Tech, 2021-07-22)Shinrin-yoku or forest bathing is the Japanese art of using the forest to relax. The process takes about two hours to absorb the full benefits of the forest. This does not provide for an easy way to decompress if you are ... -
Towards Explainable Event Detection and Extraction
(Virginia Tech, 2021-07-22)Event extraction refers to extracting specific knowledge of incidents from natural language text and consolidating it into a structured form. Some important applications of event extraction include search, retrieval, ... -
SleuthTalk: Addressing the Last-Mile Problem in Historical Person Identification with Privacy, Collaboration, and Structured Feedback
(Virginia Tech, 2021-06-14)Identifying people in historical photographs is an important task in many fields, including history, journalism, genealogy, and collecting. A wide variety of different methods, such as manual analysis, facial recognition, ... -
Advanced Time Integration Methods with Applications to Simulation, Inverse Problems, and Uncertainty Quantification
(Virginia Tech, 2020-01-29)Simulation and optimization of complex physical systems are an integral part of modern science and engineering. The systems of interest in many fields have a multiphysics nature, with complex interactions between physical, ... -
Study of enteric virus infection and parenteral vaccines in the gnotobiotic pig model
(Virginia Tech, 2020-01-29)Human rotavirus (HRV) and human norovirus (HuNoV) are the most common causative agents of acute gastroenteritis- (AGE) related morbidity and mortality around the world. Gnotobiotic (Gn) pigs are the ideal large-animal model ... -
Urban Air Mobility (UAM) Landing Site Feasibility Analysis: A Multi-Attribute Decision Making Approach
(Virginia Tech, 2020-01-29)This thesis presents methods to place landing sites for the Urban Air Mobility (UAM) concept. The analysis shows an integrated approach to establish UAM landing site requirements, place landing sites based on predicted ... -
Some physiological aspects of selective orchardgrass control in Kentucky bluegrass with bromacil
(Virginia Polytechnic Institute and State University, 1972) -
The experimental investigation of the inelastic behavior of geologic materials
(Virginia Polytechnic Institute, 1965)
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