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 [15133]
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Masters Theses [19889]
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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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Statistical Methods for Variability Management in High-Performance Computing
(Virginia Tech, 2021-07-15)High-performance computing (HPC) variability management is an important topic in computer science. Research topics include experimental designs for efficient data collection, surrogate models for predicting the performance ... -
Engineered Platforms for the Development of Electroporation-based Tumor Therapies
(Virginia Tech, 2020-01-22)Cancer is a complex and dynamic disease that is difficult to treat due to its heterogeneous nature at multiple scales. Standard therapies such as surgery, radiation, and chemotherapy often fail, therefore superior therapies ... -
Impact of Flow Rate and Water Age on Opportunistic Pathogen Growth: Implications for Water Conservation, Fixture Design, and Policy
(Virginia Tech, 2020-01-22)Water conservation efforts have led to a decrease of flow rates in buildings, increasing water retention time (WRT) and sometimes opportunistic pathogens (OPs) growth. A novel experiment with replicated distal pipes operated ... -
Evaluation of In-Service Residential Water Meters: Analysis of Registration Error and Metering Infrastructure Upgrades
(Virginia Tech, 2020-01-22)The American Water Works Association (AWWA) and the International Water Association (IWA) have designated the volume of water not registered by water meters as a form of "apparent loss" in a distribution system. The term ... -
Chromosome and Genome Evolution in Culicinae Mosquitoes
(Virginia Tech, 2021-07-14)The Culicinae is the most extensive subfamily among the Culicidae family of mosquitoes. Two genera, Culex and Aedes, from this subfamily have world-wide distribution and are responsible for transmitting of several deadly ... -
Phenology and Management of Annual Bluegrass Weevil on Virginia Golf Courses
(Virginia Tech, 2021-07-14)Annual bluegrass weevil (Listronotus maculicollis Kirby) (Coleoptera: Curculionidae) (ABW) is a major pest of annual bluegrass (Poa annua L.) and creeping bentgrass (Agrostis stolonifera L.) on golf courses in the northeastern ... -
Quantifying macroinvertebrate structural and functional response to stream acidification and subsequent recovery in Shenandoah National Park
(Virginia Tech, 2021-07-14)Acid rain alters freshwater pH and ion composition, preventing organisms from performing essential bodily functions causing mortality. Macroinvertebrate communities in acidified streams are characterized by species loss ... -
Strategies to Improve Reproductive Efficiency in Cattle with Dietary Intervention
(Virginia Tech, 2021-07-14)This dissertation examines how reproductive efficiency can be improved through dietary intervention. The use of diet to enhance reproduction is theoretically a low-cost and low-input method that will co-align with reproductive ... -
Synthesis and Characterization of Linear and Crosslinked Mono-Sulfonated Poly(arylene ether sulfone)s for Reverse Osmosis Applications
(Virginia Tech, 2020-01-21)Sulfonated poly(arylene ether sulfone)s can exhibit several ideal features as potential desalination membranes for reverse osmosis applications, including chlorine resistance, low surface fouling, and high water flux. ... -
Microstructural Deformation Mechanisms and Optimization of Selectively Laser Melted 316L Steel
(Virginia Tech, 2020-01-21)In this paper, a novel approach is utilized to investigate the deformation mechanisms at the microstructural level in 3D printed alloys. The complex in-situ heat treatments during 3D printing leaves a unique and complicated ... -
Exploring wildlife recreationists' conservation behaviors and perceptions of state fish and wildlife agencies to inform conservation engagement and support
(Virginia Tech, 2021-07-13)The success of state fish and wildlife agency conservation efforts depends highly on their engagement with wildlife recreationists, ranging from those with consumptive (i.e., hunters and anglers) to nonconsumptive (i.e., ... -
Spatiotemporal Event Forecasting and Analysis with Ubiquitous Urban Sensors
(Virginia Tech, 2021-07-13)The study of information extraction and knowledge exploration in the urban environment is gaining popularity. Ubiquitous sensors and a plethora of statistical reports provide an immense amount of heterogeneous urban data, ... -
Social Aesthetics: Affecting Change in Food Provisioning
(Virginia Tech, 2021-07-13)Food embodies our most intimate relationship with nature. We ingest it to survive. Without it, perish. Through time humans have physically distanced the places of food cultivation from human inhabitation. In recent decades ... -
The Agency of Earth on the Site of the Design
(Virginia Tech, 2021-07-13)Earth as a fundamental aspect of the existing conditions of a site has/can/should have agency in design, both historically and today. The aim of this study is to describe the agency of earth in design as a common premise ... -
Anisotropic Turbulence Models for Wakes in an Active Ocean Environment
(Virginia Tech, 2021-07-13)A set of second-moment closure turbulence models are implemented for the study of wake evolution in an oceanic environment. The effects of density stratification are considered, and the models are validated against laboratory ... -
Hagia Sophia as a Facture: Originality through Appropriations
(Virginia Tech, 2021-07-13)This dissertation aims to investigate the hybrid facture of one of the most influential buildings of architectural history, Hagia Sophia, which has been a source of wonder and awe since its construction in the sixth century. ... -
Bog Turtle Distribution in Virginia: Assessing Proposed Methods for Finding New Localities and Examining Movement Between Wetlands
(Virginia Tech, 2021-07-13)Freshwater turtles are among the most threatened groups of taxa globally, and the bog turtle, Glyptemys muhlenbergii is among the most imperiled in North America. In Virginia, USA, bog turtles are restricted to occupying ... -
Torpedo: A Fuzzing Framework for Discovering Adversarial Container Workloads
(Virginia Tech, 2021-07-13)Over the last decade, container technology has fundamentally changed the landscape of commercial cloud computing services. In contrast to traditional VM technologies, containers theoretically provide the same process ... -
Climate change and disease at the human-wildlife interface
(Virginia Tech, 2021-07-13)Recent research has shown that climate change had and will likely continue to have impacts on biological processes, including the propagation of infectious and zoonotic diseases. Assessments of local level impacts at the ... -
Wildlife Town Center: Reimagining Landmark Mall as a Space for Reconnecting with the Urban Flora and Fauna
(Virginia Tech, 2021-07-13)Urban development typically displaces or extirpates wildlife and decreases habitat. While some species such as the grey squirrel and raccoon adapt well to urban living, other species are less successful due to a lack of ...
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