Doctoral Dissertations: Recent submissions
Now showing items 1-20 of 15921
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Dance with Musical Architecture: Eurhythmy in Gottfried Semper's works
(Virginia Tech, 2022-06-23)A musician and an architect, Richard Wagner and Gottfried Semper, two German artists, influenced the theory of art in the nineteenth century in Germany. Wagner met Semper in a music shop and later they participated in ... -
Mathematical Model of the Cell Cycle Control and Asymmetry Development in Caulobacter crescentus
(Virginia Tech, 2022-06-23)Caulobacter crescentus goes through a classic dimorphic cell division cycle to adapt to the stringent environment and reduce intraspecific competition. Caulobacter mother cell gives rise to two progenies with distinct ... -
A Role for Microglia Activation in Modulating Behavior in a Variable Stress Model for Depression
(Virginia Tech, 2022-06-23)Major Depressive Disorder is a common mood disorder, affecting more than 300 million people worldwide. Stress, being a potent trigger for various mood disorders, including depression, affects both the peripheral and central ... -
Flavor Chemistry of Regional Hops (Humulus lupulus L.) and Novel Aroma Application of Hop-derived Products
(Virginia Tech, 2022-06-23)Hop (Humulus lupulus L.) is an indispensable raw material in beer brewing because it can provide unique aroma and bitterness to beer products. With growing consumer interests in locally-sourced ingredients and increasing ... -
Three Essays on Dynamic Contests
(Virginia Tech, 2022-06-23)This dissertation consists of three essays studying the theory of dynamic contest. This analysis mainly focuses on how the outcome and the optimal design in a dynamic contest varies on contest technology, heterogeneous ... -
Drone Cellular Networks: Fundamentals, Modeling, and Analysis
(Virginia Tech, 2022-06-23)With the increasing maturity of unmanned aerial vehicles (UAVs), also known as drones, wireless ecosystem is experiencing an unprecedented paradigm shift. These aerial platforms are specifically appealing for a variety of ... -
Process-Property Characterization for Multi-Material Jetting Applications
(Virginia Tech, 2022-06-23)Material jetting (MJ) is an additive manufacturing (AM) process that involves the selective jetting of a liquid material into the shape of a layer and subsequent solidification, often via ultraviolet (UV) irradiation, in ... -
Framework for Estimating Performance and Associated Uncertainty of Modified Aircraft Configurations
(Virginia Tech, 2022-06-22)Flight testing has been the historical standard for determining aircraft airworthiness - however, increases in the cost of flight testing and the accuracy of inexpensive CFD promote certification by analysis to reduce or ... -
"I Want to be Free the Lebanese Way": An Interpretive Phenomenology Examination of Lebanese American Queer Youth's Experiences of Family Secrecy
(Virginia Tech, 2022-06-21)Limited knowledge is available around the experiences of queer Lebanese American young adults, specifically around family secrecy around their sexuality. This gap in the marriage and family therapy research has significant ... -
Thriving in the Academy: Thai Students' Experiences and Perspectives
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A Framework for Simultaneously Addressing Qualitative and Quantitative Decision-making Criteria during the Early Stages of the Design Process
(Virginia Tech, 2021-03-26)This study proposes a framework for simultaneously addressing qualitative and quantitative decision-making criteria during the early stages of the design process. It investigates the features and characteristics in an ... -
Rethinking Directors' Effectiveness: The Development and Empirical Analysis of a Novel Model
(Virginia Tech, 2022-04-01)The purpose of this dissertation is to introduce and empirically test a new theoretical perspective for assessing board effectiveness. Although the ability-motivation models provide a fruitful foundation in developing the ... -
Mechanistic Insights on The Immunomodulatory Functions of Diverse Environmental Factors on Systemic Autoimmunity
(Virginia Tech, 2021-11-05)The immune defense is geared to protect against a tremendous array of invaders. The ultimate goal of the immune system is to induce effective and balanced inflammatory responses that enable the efficient elimination of ... -
Designing Security Defenses for Cyber-Physical Systems
(Virginia Tech, 2022-05-04)Legacy cyber-physical systems (CPSs) were designed without considering cybersecurity as a primary design tenet especially when considering their evolving operating environment. There are many examples of legacy systems ... -
Damming the Nation: How Engineers Transformed Rivers into Water Tanks for Modern South Korea
(Virginia Tech, 2022-06-16)Damming is one of the most high-profile forms of human intervention in the environment, and it is commonly found across the modern Korean landscape. Since the 1960s, under the name of "Comprehensive Water Resources ... -
Solutions to Passageways Detection in Natural Foliage with Biomimetic Sonar Robot
(Virginia Tech, 2022-06-22)Numerous bats species have evolved biosonar to obtain information from their habitats with dense vegetation. Different from man-made sensors, such as stereo cameras and LiDAR, bats' biosonar has much lower spatial resolution ... -
Integration and Evaluation of Unsteady Temperature Gages for Heat Flux Determination in High Speed Flows
(Virginia Tech, 2022-06-22)This study documents the integration and testing of a new variety of unsteady surface temperature gages designed to operate in high speed flow. Heat flux through the surface of the test article was determined from the ... -
A Framework for Assessing Lower-Bound Bearing Capacity of Sandy Coastal Sediments from Remotely Sensed Imagery
(Virginia Tech, 2022-04-28)With advances in modern technology, satellite-based data is rapidly becoming a viable option for geotechnical site characterization. Commercial satellite data offers high resolution (~25-200 cm), increased spatial coverage ...
