Digital Commons Network^™

Machine Learning Acceleration Of Micro-Credentialing, Knowledge Gap Remediation, And Micro-Recruiting Of Stem Assessments: From Learner Data To Hardware, Paul Amoruso

Graduate Studies Theses and Dissertations 2026

The growing demand for a skilled STEM workforce calls for adaptive, data-driven education that personalizes learning while aligning competencies with industry needs. This work introduces a multi-layered framework that integrates artificial intelligence (AI), data mining and hardware-aware optimization to support this goal. At its core, the AchieveUp system applies generative AI-assisted skill tagging to digitized assessments, enabling multi-semester tracking of student progress. Analysis across 14 semesters shows that underperforming students were found to benefit most from attending score clarification sessions, a relationship validated by an R² value of 0.83, indicating strong predictive validity between attendance and skill acquisition. To remediate …

Turbine Exhaust Cylinder And Manifold Wake Interactions At High Swirl Angle, Christian A. Anzalotta

Graduate Studies Theses and Dissertations 2026

A commonly observed flow interaction in industrial gas turbine (IGT) exhaust diffuser configurations is investigated, where upstream structural wakes interact with downstream airfoil-like components, potentially leading to unsteady loading. To better understand the mechanisms contributing to this behavior, a scale-model is designed. Dynamic similarity is achieved by matching the Strouhal number (St) of the vortex shedding from the strut. A bell-mouth followed by a swirler is installed in front of the strut to mimic the flow angles at the inlet section of the turbine exhaust. Experiments are conducted for three swirl angles, namely, 30°, 45°, and 60°. Power spectra computed …

In The Walls, Taylor S. Arnold

Graduate Studies Theses and Dissertations 2026

In the Walls is a collection of short and flash fiction that uses gothic and speculative elements to explore isolation, identity, gender roles, and experiences of women, including pressures of conformity and the persistent draw of the domestic. In “Poltergeist,” a scorned ghost discovers her supernatural abilities when her husband brings home a new woman. “Home For Sale,” an experimental story structured as a Zillow listing, contains the tale of a housewife’s psychological unravelling amid paranormal encounters in her family’s new home. The titular story, “In the Walls,” focuses on a woman who attempts to conform to a homemaker role …

Rhetoric Of Opportunity: An Analysis Of Gullah Geechee Histories Through The Lens Of Counterstory, Xaria Arthur

Graduate Studies Theses and Dissertations 2026

Counterstory as a method/ology has been used in a variety of disciplines to share experiences of individuals and communities whose voices have been historically silenced or suppressed. Utilizing this methodological framework, my study shares the stories of six Gullah Geechee descendants with ancestral roots in the unincorporated community of Nesmith in Williamsburg County, SC. Treating these minoritized and individual stories as experiential knowledge, I trace the counterstories as topoi to introduce and develop the theoretical concept that I call the rhetoric of opportunity, which refers to memories or stories that have come to motivate individuals toward or away from …

The Uncanny And Uneasy: An Exploration Into Using Puppets To Share Dark Stories, Grace Auls

Graduate Studies Theses and Dissertations 2026

In this thesis, I will explore the role of puppetry and practical effects in evoking the uncanny and the uneasy as well as questioning the implications they have in dark theater and cinematic contexts. This paper will examine how puppetry and practical effects can contribute to potentially disturbing and dark imagery both on screen and in live theater. I will be focusing on looking at Jim Henson’s The Dark Crystal, as well as at different puppetry performances used in Voyage of the Little Mermaid (1992), Don’t Hug Me I’m Scared, Kirikou and the Sorceress (Kirikou et la Sorciere), and even …

First-Principles Insights Into Electronic And Magnetic Structure At Hybrid Interfaces And Low-Dimensional Materials And Reaction On Surfaces, Bushra Ashraf

Graduate Studies Theses and Dissertations 2026

Low-dimensional materials and transition metal surfaces/interfaces provide complementary platforms for understanding how dimensionality, symmetry, spin–orbit coupling (SOC), and interfacial charge transfer/hybridization jointly control electronic structure, emergent magnetism, and surface reactivity. Using first-principles modeling with experimental comparisons, this work aims to establish interfacial structure–property relationships across low-dimensional systems.

Strained Pd adlayers on 2H-MoS₂(0001) provide a controlled platform to separate strain-driven exchange from interface-induced quenching in an itinerant d-electron metal. Although expansive strain promotes magnetism in free-standing Pd, strong Pd–MoS₂ hybridization and charge transfer suppress the monolayer moment and leave a narrow thickness window where magnetism re-emerges in …

Restoring Digital Trust: Decentralized Frameworks For Identity, Consent, And Media Provenance, Raghu N. Avula

Graduate Studies Theses and Dissertations 2026

Digital platforms are deeply embedded in modern society through centralized network architectures. As online interactions transition to the physical world handling sensitive data, user privacy and cryptographic security require enhancement beyond traditional limits. This dissertation presents a decentralized “Tri-Layer Trust Architecture” that leverages Verifiable Trust Registries, Cryptographic Binding, and Edge Verification to prioritize data sovereignty and local authentication. To demonstrate the architecture’s applicability across distinct operational environments, we implement three solutions: (1) Verifiable Presence for peer-to-peer ride-sharing via D-RideX, which encrypts biometric data on physical hardware (TEEs) and Soulbound Tokens (SBTs) to prevent impersonation without cloud database exposure; (2) Verifiable …

A Test Of The Three-Step Theory: Examining Pain, Hopelessness, And Suicidal Desire Among College Students, Shelby Baker

Graduate Studies Theses and Dissertations 2026

Suicide is a leading cause of death, and suicidal thoughts are prevalent among emerging adults and undergraduate students. Still, many prominent risk factors remain understudied. Guided by the Three-Step Theory of Suicide (3ST), this study examined the roles of hopelessness, psychological pain, and physical pain in prediction of suicidal desire among undergraduate college students (N = 1,705) recruited from UCF’s SONA system and CloudResearch’s Connect platform. Participants completed an online, cross-sectional survey that included measures of suicidal thoughts and behaviors, hopelessness, psychological pain, physical pain, and other psychological variables of interest. Psychological pain and physical pain were tested as moderators …

Investigating Effects Of The Macroalga Caulerpa Prolifera On Restoration Of The Seagrass Halodule Wrightii In The Indian River Lagoon, Florida, Luciana M. Banquero

Graduate Studies Theses and Dissertations 2026

Seagrass restoration efforts have been motivated by global decreases in coverage associated with anthropogenic influences on the environment. In the Indian River Lagoon (IRL), FL, seagrass declined by 75% between 2011 and 2021. During this time, abundance of the macroalga Caulerpa prolifera increased substantially in the IRL. The macroalga is native to this estuary, however C. prolifera abundance has fluctuated widely in the past few decades. Being highly opportunistic, C. prolifera took advantage of areas formerly inhabited by seagrass. It is not known how dense, continuous beds of C. prolifera impact seagrass restoration projects or natural recovery of seagrass. Previous …

Experimental And Numerical Study On The Stability Limits Of Ammonia And Ammonia/Hydrogen Flames Inside A Toroidal Jet-Stirred Reactor, Guillermo Alberto Barrios Cadenas

Graduate Studies Theses and Dissertations 2026

Ammonia’s (NH₃) properties as a carbon-free hydrogen carrier, its phase characteristics, and its wide global infrastructure present a solid case as a potential surrogate for carbon-based aviation fuels. Delivering a zero-emission NH₃-based engine requires careful integration and optimization of the combustor and thermal management systems, a process that requires high-fidelity chemical reacting models experimentally validated through the use of simplified combustors. This study investigates NH₃ fundamental combustion characteristics at conditions relevant to aviation gas turbines using a newly constructed toroidal jet-stirred reactor (TJSR) facility. Lean blow-off (LBO) experiments were carried out for NH₃ blends …

Reclaiming The Self: A Visual Narrative Of A Process Of Individuation Through Artistic Practice, Stacie Becker

Graduate Studies Theses and Dissertations 2026

Reclaiming the Self: A Visual Narrative of a Process of Individuation Through Artistic Practice features a multidisciplinary practice that uses visual narrative, metaphor, and symbolism to reconcile the complex intersections of internal and external identity-shaping experiences, informed by lived experience as a woman. Working across painting, mixed media, printmaking, book arts, sculpture, and restorative medical tattooing, the artist dissects the tension between internal identity and external expectations, addressing themes of gender roles, relationships, trauma, and agency. Various artistic methods serve not only as a process but also as a parallel for reclaiming, healing, and restoring an authentic, unashamed sense of …

Establishing And Testing Experiential Critical Theory (Ect), Dolores M. Batten Mrs.

Graduate Studies Theses and Dissertations 2026

There is a current gap in academia which has been largely overlooked in both pedagogy and assessment: the value of personal experience as key evidence of interpretation and meaning-making correlation. Aside from narrative writing, most current methods of literary analysis writing do not place a high value on personal experience beyond the inclusion of brief anecdotes. Yet experience is the major pathway by which an individual forms their worldview, which then informs the ways in which they interpret the world—and by extension, text. This dissertation both establishes and examines the use of Experiential Critical Theory (ECT) in pedagogical application for …

The Dynamics Of Near-Limit Detonation Waves For Hypersonic Propulsion, Liliana Berson

Graduate Studies Theses and Dissertations 2026

The usage of detonation waves in hypersonic propulsion engines has seen substantial advancement in recent decades. The near-limit transition and failure process are key in these applications controlling the operability regime. The common cellular propagation of detonation waves fails in the near limit leading eventually to a singular transverse shock instability. The local dynamics of the wave causing this transition and the details of this singular instability remain a challenging question. These dynamics are examined in a fully automated detonation experiment using ultra-high-speed diagnostics and statistical analysis. Hydrocarbon fuel–oxidizer mixtures with nitrogen dilution are used to explore transition behavior over …

'But George Floyd Wasn't A Saint': A Critical Discourse Analysis Pre And Post George Floyd, Raya Berkley-Jacobs

Graduate Studies Theses and Dissertations 2026

May 25, 2020, George Floyd died at the hands of former police officer Derek Chauvin after he placed his knee on George Floyd’s neck for 8 minutes and 46 seconds. His death sparked outrage, protests, and calls for accountability, justice, and reform. This study addresses the impact of George Floyd’s death as a focusing event that created a policy window under which federal legislation was introduced as a response to his death. Drawing on Punctuated Equilibrium Theory and Social Construction Theory, the study utilizes a critical discourse analysis to test how the death of George Floyd impacted the amount and …

An Integrated Framework For Last-Mile Delivery Optimization Using Reinforcement Learning And Social Media-Based Traffic Prediction In Underdeveloped Megacities, Vasanth Bhat

Graduate Studies Theses and Dissertations 2026

Supply chain management has become increasingly critical as transportation costs rise and urban delivery systems place additional pressure on already congested networks. Last-mile delivery—the movement of goods from distribution centers to end users—represents the most expensive and operationally complex segment of the logistics process, particularly in underdeveloped megacities characterized by unpredictable traffic, limited infrastructure, and sparse real-time data. This dissertation proposes an integrated framework for optimizing last-mile delivery in such environments by combining social media–based traffic intelligence, machine learning, and deep reinforcement learning. The framework leverages unstructured, real-time data from social media platforms to enhance traffic prediction and incorporates these …

Investigation Of Exotic Phenomena In Topological Quantum Materials, Iftakhar Bin Elius

Graduate Studies Theses and Dissertations 2026

he First Quantum Revolution established quantum mechanics as the foundation of modern physics, enabling transformative technologies such as semiconductors, lasers, and transistors through prin-ciples of quantization, wave-particle duality, and uncertainty. The ongoing Second Quantum Rev-olution harnesses entanglement, superposition, and coherence to advance quantum computation, communication, simulation, and sensing. Central to this endeavor is the study of quantum mate-rials hosting novel electronic structures and emergent phases, including topological insulators and Dirac, Weyl, and nodal-line semimetals. In this thesis, using angle-resolved photoemission spec-troscopy (ARPES), transport measurements, and density functional theory (DFT) calculations, we investigate three classes of materials: (i) magnetic topological semimetals, …

An Algorithmic Framework For Polyhedral Gravity Modeling And Trajectory Propagation Near Small Bodies, Micah S. Boudreau

Graduate Studies Theses and Dissertations 2026

Near-Earth asteroids (NEAs) and other irregular celestial bodies have become increasingly significant targets for scientific investigation and space mission development due to their relevance to resource utilization, origins-of-life studies, planetary defense, and understanding of early solar system formation. As launch costs continue to decline, missions such as NASA’s NEAR Shoemaker, OSIRIS-REx and JAXA’s Hayabusa series demonstrate the expanding feasibility of detailed small body exploration. Despite this growing interest, most standard astrodynamics tools are not designed to model the complex, highly irregular gravitational fields that are a signature of small bodies. Such limitations pose challenges for trajectory design, navigation, and control …

Reframing “Southern Justice”: Public History And The Cultural Legacy Of The Civil War In Orlando, Sarah M. Boye

Graduate Studies Theses and Dissertations 2026

Civil War memory has shaped historical consciousness throughout the American South, sometimes in surprising and unexpected ways. An unusual example of this phenomenon can be found in Orlando, Florida. Unlike in other Southern cities, in Orlando, Civil War memory did not grow out of wartime experience. Instead, it developed decades later during the post-Reconstruction period as generations removed from the war itself constructed their own understanding of the war’s history and its meaning. As the city grew, Greenwood Cemetery became a key site where Civil War remembrance functioned in Orlando. Women’s organizations played a major role in shaping Civil War …

Computational Modeling Of Bubble Dispersion In Alginate Hydrogel Foams For Radiologically Equivalent Biomedical Phantoms, Godson N. Brako

Graduate Studies Theses and Dissertations 2026

The foaming of hydrogels presents a promising strategy for tailoring mechanical and radiological properties to replicate biological soft tissues for biomedical phantoms. Achieving uniform and predictable void fraction distributions in alginate hydrogel foams remains a challenge due to the complex interplay between bubble dynamics, matrix rheology, and interfacial forces during the pre-gelation aeration stage. This thesis develops a Computational Fluid Dynamics framework using the transient Eulerian two-fluid approach to predict void fraction distribution in alginate hydrogel precursor solutions aerated by air injection through a bottom nozzle. The objective is to use the framework for design of the foaming system to …

Do Fair Schedules Matter? Work-Home Conflict And Justice In Emergency Medicine, Maresca J. Brand

Graduate Studies Theses and Dissertations 2026

Emergency physicians work in a high-demand environment requiring irregular, around-the-clock schedules, which can contribute to elevated work-home conflict and burnout. While previous research has focused on objective schedule characteristics such as length of shift or time of day worked, less attention has been given to how emergency physicians perceive the fairness of the scheduling process itself. Drawing on Work-Home Resources Theory and Personal Resource Allocation Theory, this study examines whether perceptions of schedule justice influence work-home conflict via schedule satisfaction. I propose that perceived fairness in schedule creation functions as a contextual resource that shapes whether a schedule is experienced …

Making Art For The Love Of The Game, Alissa Beth Burch

Graduate Studies Theses and Dissertations 2026

“Making Art for the Love of the Game” interweaves visual aesthetics from video games and associated online fan community practices with self-portraiture to reflect and process personal past medical trauma, a developmental period in online interactive environments, and showcases self-expressive fan content which joins an underrepresented and emerging sub-culture to contemporary art. Working through an interdisciplinary studio practice, combining printmaking, found-sticker collage, and painting refracts digital aesthetics found in online communities. I intentionally juxtaposed these physical modes of making with digital subjects to examine these subjects’ merit as artistic mediums.  It reflects a contemporary mode of art making, and acts …

The Place Between Places, Harrison Burke

Graduate Studies Theses and Dissertations 2026

The Place Between Places is a collection of essays centered on belonging. Focusing on the composition of city streets, theme parks, and hidden pockets of wonder, belonging is explored as the product of place and culture. The perspective of the collection shifts between reflection and active exploration, using present moment journeys as catalysts to unravel the past. In every new discovery there is a ghost, past and present journeys fighting for their place in the constructed narrative called “self.”

The collection primarily makes use of braided essays and nonlinear storytelling. “Animal” blends together three night walks through New York, Seoul, …

Applying Harm Reduction To Binge-Eating Disorder: Protective Behavioral Strategies Against Uncontrolled Eating, Emily Burr

Graduate Studies Theses and Dissertations 2026

Binge-eating disorder (BED) is a highly deleterious mental illness, with ramifications ranging from psychological impairment to premature mortality. Despite the awareness of intervention urgency, treatment strategies to manage BED have limited long-term efficacy. Therefore, it is of high necessity to illuminate other methods of reducing the potential effects of binge eating (BE), either by combatting severity or frequency of the behavior. Protective behavioral strategies (PBS), first identified in the substance use field, are methods by which an individual attenuates potential harm from a behavior without expectation of abstaining (i.e., a harm reduction approach). Given high likelihood of treatment relapse for …

Detonability Limits Of Liquid Fuel Cloud, Khaoula Chougag

Graduate Studies Theses and Dissertations 2026

Detonation-based propulsion systems are of significant interest owing to their high thermodynamic efficiency, rapid energy release, and favorable entropy production relative to deflagration-based systems. Liquid fuels offer practical advantages in storage and volumetric energy density, making them attractive candidates for next-generation detonation engines. This dissertation investigates the detonability characteristics of liquid hydrocarbon fuel clouds through three interconnected studies conducted in a turbulent shock-tube environment using high-speed imaging and pressure diagnostics. The first study maps the detonability limits of monodisperse n-dodecane clouds by systematically varying droplet diameter (5-50 μm) and O₂/N₂ oxidizer composition at equivalence ratios spanning ϕ = 0.8-2.0. Results …

Motivational Interviewing Impact On Provider Burnout, Julie Cook

Graduate Studies Theses and Dissertations 2026

The study of patient–provider communication rarely considers the impact of provider–patient dialogue on providers themselves. This dissertation explores why motivational interviewing (MI) has been shown to reduce burnout among health care providers who use it. Using the empathic communication model (ECM) as a lens, it examines possible explanations for how MI contributes to lower burnout in providers. A mixed‑methods approach was used, consisting of a survey‑based quantitative study and a qualitative study using semi‑structured interviews. The quantitative study surveyed physicians, nurse practitioners, and physician assistants. Participants were asked questions assessing their knowledge of MI, the types of empathy they experience …

Enhanced Atomization And Combustion In Subsonic Ljic Systems Using Ultrasonically Driven Solid Obstructions, Daniel Sebastian Cruz

Graduate Studies Theses and Dissertations 2026

The liquid fueling methods used in aircraft propulsion have undergone extensive optimization, with Liquid Jets in Crossflow (LJIC) emerging as a simple yet effective injection scheme. LJIC enables sufficient fuel mass flow rates and penetration for high-speed operation, however fuel trajectory and droplet size remain highly sensitive to crossflow conditions. As a result, wide flight envelopes introduce variability in atomization, leading to unsteady combustion performance. Recent work has incorporated a pintile, a solid obstruction placed in the path of the fuel jet, to redistribute momentum and reduce trajectory variability across varying flow conditions. While this approach improves trajectory uniformity, it …

Detection And Discrimination Of Targets In Infrared Imagery, Adam T. Cuellar

Graduate Studies Theses and Dissertations 2026

Automated infrared (IR) imagery analysis is essential for persistent surveillance, defense, and security, yet it remains difficult when sensors move and when unknown objects appear. This dissertation addresses two fundamental problems: (1) detecting small moving targets amid platform-motion induced parallax and (2) distinguishing between known stationary targets and out-of-distribution (OOD) objects.   For detecting moving targets while the platform itself is in motion, auxiliary Global Positioning System and Inertial Navigation System data are combined with image analysis. Direction Cosine Matrices from calibrated inertial measurements enable sub-pixel frame alignment unattainable with purely image-based registration. The stabilized sequence is processed by a Reed–Xiaoli …

Taming Wildfires, Bianca Dagostino

Graduate Studies Theses and Dissertations 2026

Taming Wildfires is a novella immersed in the mind of a young woman named Lilla with intense, undiagnosed mental illness attempting to reenter society after losing the crutch of her long-term partner. The novella engages with the intersection of queerness, mental illness, interracial relationships, and the society of recent past (2023-2024), and deals with themes of isolation, loss, self-image, and emotional healing. Readers are invited fully into Lilla’s mind as she navigates a long-term friendship strained by proximity and a new romance marred by omission. These relationships are overcast by her loss, her skewed reality, and her conflicting desires to …

A Reconstruction Method For The Anisotropic Electrical Conductivity In A Hybrid Planar Inverse Problem, Athanasios Dimitriadis

Graduate Studies Theses and Dissertations 2026

Some single-physics medical imaging methods fail to reliably discriminate benign from malignant biological tissue. In partial response, a new class of inverse problems employ multi-physics phenomena, coupling methods of high resolution with methods of high contrast. In this thesis we are concerned with one such problem in which an anisotropic electrical conductivity is to be recovered from some internal knowledge of the current density field generated by maintaining a fixed boundary voltage. This internal data is obtained by the method of Current Density Impedance Imaging (CDII), which combines Maxwell's equations with Magnetic Resonance Imaging (MRI) measurements. The anisotropy class is …

En Tiempos De Extinción, Adialyz Del Valle Berríos

Graduate Studies Theses and Dissertations 2026

En Tiempos de Extinción is a collection of short, mostly speculative, stories exploring themes of community, exploitation, resistance, and the ever-present effects of colonialism in nearly every aspect of life. “El Amor de una Diosa es Amor Suficiente” centers on a young girl’s initiation into a community that will do whatever it takes to indoctrinate the young. “Al Aire Libre” focuses on two tenured professors determined to enjoy their last day on the job, navigating the complicated feelings of what progress means in a world that prioritizes capital. In “OVNI,” the history of a wacky television dating show unravels …