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 [13976]
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Masters Theses [19166]
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Undergraduate Theses [25]
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Virginia Tech ETD Resources [11]
Documentation about creating and formatting Virginia Tech ETDs.
Recent Submissions
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A Dual Metamodeling Perspective for Design and Analysis of Stochastic Simulation Experiments
(Virginia Tech, 2019-07-17)Fueled by a growing number of applications in science and engineering, the development of stochastic simulation metamodeling methodologies has gained momentum in recent years. A majority of the existing methods, such as ... -
Integrated Tunable LC Higher-Order Microwave Filters for Interference Mitigation
(Virginia Tech, 2018-01-23)Modern and future communication and radar systems require highly reconfigurable RF front-ends to realize the vision of Software-Defined Radio (SDR), where a single digitally-enabled radio is able to cover multiple bands ... -
Analysis of Organic and Inorganic Parameters in Southern Virginia Rivers Following a Coal ash Spill
(Virginia Tech, 2018-01-23)In February 2014, a coal ash spill on Duke Energy's Dan River Plant in Eden, NC released approximately 39,000 tons of coal ash into the Dan River. It took approximately one week to stop the spill. Starting in February ... -
Influence of gender and obesity on motor performance, neuromuscular control and endurance in older adults
(Virginia Tech, 2018-01-23)The rapid growth of an older demographic is an increasing concern around the world. Older people have been reported to suffer from physiological and neuromuscular declines in several systems including skeletal muscles, ... -
Canonical Decomposition of Wing Kinematics for a Straight Flying Insectivorous Bat
(Virginia Tech, 2018-01-22)Bats are some of the most agile flyers in nature. Their wings are highly articulated which affords them very fine control over shape and form. This thesis investigates the flight of Hipposideros Pratti. The flight pattern ... -
Nitrogen Removal from Closed Aquaculture System by Bio-electrochemical System
(Virginia Tech, 2018-01-22)Removal of nitrogen elements in culture water is one of the major concerns in recirculating aquaculture system (RAS). Maintaining a low concentration of nitrogen compounds is essential for a good quality of aquaculture ... -
Modeling, Analysis, and Algorithmic Development of Some Scheduling and Logistics Problems Arising in Biomass Supply Chain, Hybrid Flow Shops, and Assembly Job Shops
(Virginia Tech, 2019-07-15)In this work, we address a variety of problems with applications to `ethanol production from biomass', `agile manufacturing' and `mass customization' domains. Our motivation stems from the potential use of biomass as an ... -
Assessing the influence of preparation and follow-up on student outcomes associated with environmental education field trips
(Virginia Tech, 2019-07-15)Experiential learning theory stresses the importance of adequate preparation and reflection surrounding concrete experiences. This study explores the relationship between preparation and follow-up classroom experiences ... -
Complexity of Engineering Identity: A Study of Freshmen Engineering Students
(Virginia Tech, 2019-07-15)The General Engineering Program exists at Virginia Tech to provide curriculums that engage, challenge and support entry-level engineers. One important part of this initiative is helping students identify with a specific ... -
Prediction of Non-Resting Energy Expenditure using Accelerometry
(Virginia Tech, 2019-07-15)The accurate measurement of total energy expenditure is a cornerstone of metabolic research. However, there is a lack of measurement methods that are valid, objective, inexpensive, and easy to use. Accelerometry, along ... -
Efficiency of Logic Minimization Techniques for Cryptographic Hardware Implementation
(Virginia Tech, 2019-07-15)With significant research effort being directed towards designing lightweight cryptographic primitives, logical metrics such as gate count are extensively used in estimating their hardware quality. Specialized logic ... -
Influencing human reactions through the sense of space: Revealing the nature of water through architecture
(Virginia Tech, 2019-07-15)This study focuses on the importance of the quality of space through the introduction of water and its influence on the human reactions. Each space we enter has the potential to create a lasting impression in our mind. ... -
Synthesizing Realistic Data for Vision Based Drone-to-Drone Detection
(Virginia Tech, 2019-07-15)In the thesis, we aimed at building a robust UAV(drone) detection algorithm through which, one drone could detect another drone in flight. Though this was a straight forward object detection problem, the biggest challenge ... -
Waste Less District: An Exploration of Architecture's Role in the Waste Stream
(Virginia Tech, 2019-07-14)The idiom goes, "what is one man's trash is another man's treasure." In our 21st century economy, one man's trash is less commonly another's treasure as often as it is pollution. It is well documented that the majority of ... -
Paz Juntos
(Virginia Tech, 2019-07-14)While some societies face problems of crime and gang violence and are looking into different solutions, very little research exists on what community and architectural design and building can contribute to the reconstruction ... -
Sediment Management for Aquatic Life Protection Under the Clean Water Act
(Virginia Tech, 2018-01-19)Although sediment is a natural component of stream ecosystems, excess sediment presents a threat to natural freshwater ecosystems. Sediment management is complicated because sediment can be dissolved in the water column, ... -
Environmental, Biochemical, and Dietary Factors that Influence Rumen Development in Dairy Calves
(Virginia Tech, 2019-07-12)The dairy industry today is beginning to dedicate more focus on the growth of the calf from birth to first breeding to better improve the milk production as well as the overall performance of the individual cows. While the ... -
Ionic Self-Assembled Multilayers in a Long Period Grating Sensor for Bacteria and as a Source of Second-Harmonic Generation Plasmonically Enhanced by Silver Nanoprisms
(Virginia Tech, 2019-07-12)Ionic self-assembled multilayers (ISAMs) can be formed by alternately dipping a substrate in anionic and cationic polyelectrolytes. Each immersion deposits a monolayer via electrostatic attraction, allowing for nanometer-scale ... -
Pipelines for Computational Social Science Experiments and Model Building
(Virginia Tech, 2019-07-12)There has been significant growth in online social science experiments in order to understand behavior at-scale, with finer-grained data collection. Considerable work is required to perform data analytics for custom ... -
Risk-Aware Human-In-The-Loop Multi-Robot Path Planning for Lost Person Search and Rescue
(Virginia Tech, 2019-07-12)We introduce a framework that would enable using autonomous aerial vehicles in search and rescue scenarios associated with missing person incidents to assist human searchers. We formulate a lost person behavior model and ...
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