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 [13985]
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Masters Theses [19174]
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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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Establishment and Utilization of Tools for Enhancing Foodfish Health
(Virginia Tech, 2018-01-29)Aquacultured products assist the human demands for seafood so that foodfish supplies can remain sustainable and consistent. Although the fish-farming industry has seen dramatic growth and intensification in recent years, ... -
Design and Integration of a Novel Robotic Leg Mechanism for Dynamic Locomotion at High-Speeds
(Virginia Tech, 2018-01-29)Existing state-of-the-art legged robots often require complex mechanisms with multi-level controllers and computationally expensive algorithms. Part of this is owed to the multiple degrees of freedom (DOFs) these intricate ... -
Efficient Global Optimization of Multidisciplinary System using Variable Fidelity Analysis and Dynamic Sampling Method
(Virginia Tech, 2019-07-22)Work in this dissertation is motivated by reducing the design cost at the early design stage while maintaining high design accuracy throughout all design stages. It presents four key design methods to improve the performance ... -
Addressing Challenges of Modern News Agencies via Predictive Modeling, Deep Learning, and Transfer Learning
(Virginia Tech, 2019-07-22)Today's news agencies are moving from traditional journalism, where publishing just a few news articles per day was sufficient, to modern content generation mechanisms, which create more than thousands of news pieces every ... -
Non-linearity and Dispersion Effects in Tissue Impedance during Application of High Frequency Electroporation-Inducing Pulsed Electric Fields
(Virginia Tech, 2018-01-27)Since its conception in 2005, irreversible electroporation (IRE), a non-thermal tumor ablation modality, was investigated for safety and efficacy in clinical applications concerning different organs. IRE utilizes high ... -
Assessment of Model Validation, Calibration, and Prediction Approaches in the Presence of Uncertainty
(Virginia Tech, 2019-07-19)Model validation is the process of determining the degree to which a model is an accurate representation of the true value in the real world. The results of a model validation study can be used to either quantify the model ... -
Intrusion Detection using Bit Timing Characteristics for CAN Bus
(Virginia Tech, 2019-07-19)In today's world, most automobiles use Controller Area Network (CAN) bus for communication between various Electronic Control Units (ECUs), also called nodes on the CAN bus. Each ECU on the CAN bus is a microcontroller ... -
Lifetime Estimation for Ductile Failure in Semicrystalline Polymer Pipes
(Virginia Tech, 2019-07-19)The aim of this study is to develop a combined experimental and analytical framework for accelerated lifetime estimates of semi-crystalline plastic pipes which is sensitive to changes in structure, orientation, and morphology ... -
Smart Additive Manufacturing Using Advanced Data Analytics and Closed Loop Control
(Virginia Tech, 2019-07-19)Additive manufacturing (AM) is a powerful emerging technology for fabrication of components with complex geometries using a variety of materials. However, despite promising potential, due to the complexity of the process ... -
Morphology Tuning and Mechanical Properties of Nanoporous Gold
(Virginia Tech, 2018-01-25)Nanoporous gold is an exciting topic that has been highly researched due to its potential in applications including sensing, catalysts, gas storage, and heat exchangers, made possible by its high surface area to volume ... -
Three Essays on Money Input and Time Input in Food Poverty Measurement and Healthy Eating Index
(Virginia Tech, 2019-07-16)A healthy diet is related to a low risk of chronic diseases. A large body of research is devoted to improving social welfare by promoting healthy eating. This dissertation addresses the relation of food and health by ... -
Analysis and Improvement of the bRAPID Algorithm and its Implementation
(Virginia Tech, 2019-07-18)This thesis presents a detailed analysis of the bRAPID (burnup for RAPID – Real Time Analysis for Particle transport and In-situ Detection) code system, and the implementation and validation of two new algorithms for ... -
Impact of Oyster Aquaculture in Virginia on Waterfront Property Values
(Virginia Tech, 2019-07-18)Virginia is the east coast's largest producer of eastern oysters and produces more than any other state. As the industry grows to meet increasing demand, more conflicts have arisen with other resource users, especially ... -
furniture showroom
(Virginia Tech, 2019-07-18)This study of a furniture showroom demonstrates the expression of the relationships of two basic forms of art: furniture and architecture. The geometric form of the work of architecture stands in both harmony and tension ... -
Socio-cultural contexts in trauma recovery and post trauma growth in women who experienced intimate partner violence: A social constructivist lens
(Virginia Tech, 2019-07-18)Trauma recovery and post trauma growth are two desirable outcomes of a traumatic event. Meaning-making and narrative development are two processes that support both trauma recovery and post trauma growth. The way in which ... -
Truncation Error Based Mesh Adaptation and its Application to Multi-Mesh CFD
(Virginia Tech, 2019-07-18)One of the largest sources of error in a CFD simulation is the discretization error. One of the least computationally expensive ways of reducing the discretization error in a simulation is by performing mesh adaptation. ... -
CFD – DEM Modeling and Parallel Implementation of Three Dimensional Non- Spherical Particulate Systems
(Virginia Tech, 2019-07-18)Particulate systems in practical applications such as biomass combustion, blood cellular systems and granular particles in fluidized beds, have often been computationally represented using spherical surfaces, even though ... -
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 ...
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