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 [14965]
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Masters Theses [19684]
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Undergraduate Theses [27]
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Virginia Tech ETD Resources [14]
Documentation about creating and formatting Virginia Tech ETDs
Recent Submissions
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Essays on Financial Economics
(Virginia Tech, 2021-04-14)This dissertation consists of three papers. In the first paper, I study firms' capital raising decisions in a two-stage signaling game. In the model, firms can issue debt or equity to finance sequentially arriving investment ... -
Impression of DC: Research for Basic Element of Architecture in Three Dimension
(Virginia Tech, 2021-04-14)For finishing this thesis, I want to rethink the meaning of architecture after studying architecture in these years. I reviewed buildings in the world. In the process of reviewing, I analyzed these buildings by the method ... -
Multi-Length Scale Modeling of Rubber Tribology For Tire Application
(Virginia Tech, 2019-10-22)Tire, or in its primitive form, Wheel, an important invention for the transportation sector, has evolved from a circular block of hard and durable material to one of the most complex and influential components of an ... -
Investigating the Spatiotemporal Variation in Functional Markers, Gut Metabolites and Ethanol Toxicity in In Vitro Cultures of the Rat Jejunum and Hepatocytes
(Virginia Tech, 2019-10-22)The small intestine and the liver regulate several physiological functions together including the absorption and bioavailability of drugs and bile and nitrogen homeostasis. It is important to study these two organs together ... -
Wearable Power Sources and Self-powered Sensors Based on the Triboelectric Nanogenerators
(Virginia Tech, 2020-11-16)The triboelectric nanogenerator (TENG) has attracted global attention in the fields of power sources and self-powered sensors. By coupling the omnipresent triboelectrification effect and the electrical induction effect, ... -
Insect pest management in hemp in Virginia
(Virginia Tech, 2021-04-13)For the first time in many decades, a hemp pilot program was initiated in Virginia in 2016. Outdoor surveys were conducted in the 2017 and 2018 field seasons to record insect presence and feeding injury to plants. Multiple ... -
Assessment of Cross Laminated Timber Markets for Hardware Lumber
(Virginia Tech, 2020-09-25)The goal of this study was to assess the potential of using hardwood lumber in CLT manufacturing. The goal was achieved by addressing four specific objectives. The first objective was to collect CLT manufacturers' perspectives ... -
Modeling Automated Vehicles and Connected Automated Vehicles on Highways
(Virginia Tech, 2021-04-12)The deployment of Automated Vehicles (AV) is starting to become widespread throughout transportation, resulting in the recognition and awareness by legislative leaders of the potential impact on transportation operations. ... -
Promoting Systematic Practices for Designing and Developing Edge Computing Applications via Middleware Abstractions and Performance Estimation
(Virginia Tech, 2021-04-09)Mobile, IoT, and wearable devices have been transitioning from passive consumers to active generators of massive amounts of user-generated data. Edge-based processing eliminates network bottlenecks and improves data privacy. ... -
Design and Additive Manufacturing of Carbon-Fiber Reinforced Polymer Microlattice with High Stiffness and High Damping
(Virginia Tech, 2019-10-17)Carbon fiber reinforced polymer (CFRP) composites are known for their high stiffness-to-weight and high strength-to-weight ratios and hence are of great interest in several engineering fields such as aerospace, automotive ... -
Dynamics of High-Speed Planetary Gears with a Deformable Ring
(Virginia Tech, 2019-10-17)This work investigates steady deformations, measured spectra of quasi-static ring deformations, natural frequencies, vibration modes, parametric instabilities, and nonlinear dynamics of high-speed planetary gears with an ... -
Come as You Are: The Acceptability of Harm Reduction Approaches for Opioid Use Disorder among Professional Counselors
(Virginia Tech, 2021-04-07)Over the last two decades, the Opioid Epidemic has caused immense harm to communities nationwide. Over 400,000 fatal opioid overdoses occurred in the United States between 1999 and 2017 (CDC, 2019). Professional counselors ... -
On Efficient Computer Vision Applications for Neural Networks
(Virginia Tech, 2021-04-06)Since approximately the dawn of the new millennium, neural networks and other machine learning algorithms have become increasingly capable of adeptly performing difficult, dull, and dangerous work conventionally carried ... -
Identification and Characterization of LYSMD3, A Novel Epithelial Cell Pattern Recognition Receptor for Chitin
(Virginia Tech, 2019-10-14)LysM-domain containing (LysMD) proteins are widespread in nature and associated with host-pathogen interactions, often-binding peptidoglycan and chitin. However, the functions of mammalian LysMD proteins have not been fully ... -
Competition, Cost Analytics, and Offsetting Strategies: Pressures and Opportunities on the Fraud Triangle
(Virginia Tech, 2021-04-05)This study introduces industry competition factors to fraud models to examine how competition associates with fraud risk. I argue that industry competition eclipses many firm-level determinants in their association with ... -
Radar and LiDAR Fusion for Scaled Vehicle Sensing
(Virginia Tech, 2021-04-02)Scaled test-beds (STBs) are popular tools to develop and physically test algorithms for advanced driving systems, but often lack automotive-grade radars in their sensor suites. To overcome resolution issues when using a ... -
Designing outdoor spaces to support older adult dog walkers: A multi-method approach to identify and prioritize features in the built environment
(Virginia Tech, 2021-04-02)Associations between the built environment and walking are well understood among the general population, but far less is known about how features of the built environment influence walking in older adults. As compared to ... -
Phenology, impact, and rearing of Lycorma delicatula (White) (Spotted Lanternfly) in Virginia
(Virginia Tech, 2021-04-02)The spotted lanternfly, Lycorma delicatula (White) (Hemiptera: Fulgoridae), is a new invasive insect from Asia that is currently spreading in the Mid-Atlantic region of the US, where it has become a pest of economic concern ... -
Optimizing Topramezone and Other Herbicide Programs for Weed Control in Bermudagrass and Creeping Bentgrass Turf
(Virginia Tech, 2021-04-02)Goosegrass [Eleusine indica (L.) Gaertn.] and smooth crabgrass [Digitaria ischaemum (Schreb.) Schreb. ex Muhl.] are problematic weeds in bermudagrass and creeping bentgrass turf. Increased incidences of herbicide resistant ... -
Fundamental Studies of the Uptake and Diffusion of Sulfur Mustard Simulants within Zirconium-based Metal-Organic Frameworks
(Virginia Tech, 2019-10-10)The threat of chemical warfare agent (CWA) attacks has persisted into the 21st century due to the actions of terror groups and rogue states. Traditional filtration strategies for soldier protection rely on high surface ...
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