Digital Commons Network^™

Strain-Induced Oxygen Vacancy Effect On Thermoelectric Properties In Oxide Thin Films, Ebenezer Seesi

Theses and Dissertations

The development of highly efficient and cost-effective thermoelectric (TE) materials is critical for converting waste heat into electricity in advanced power generators. For high-temperature TE applications, transition metal oxides (TMOs) have attracted significant interest because they are comparatively safe, earth-abundant, and stable under oxidizing conditions where many conventional heavy-metal and chalcogenide TE materials degrade. However, the TE performance of TMOs is limited by the intrinsic trade-off between the Seebeck coefficient (S) and electrical conductivity (σ), both of which depend inversely on charge carrier concentration. This constraint limits the achievable power factor (PF = S²∙σ) and remains a central obstacle for …

Plasma Dynamics And Chemistry In Atmospheric Pressure, Ayoub Al Wahaibi

Theses and Dissertations

Atmospheric-pressure plasmas are attractive for practical chemical and energy applications because they can be generated without vacuum systems and can produce reactive environments under relatively mild bulk conditions. However, these discharges are often non-uniform and highly sensitive to operating conditions, especially when water or multiphase flows are introduced. This dissertation investigates how atmospheric- pressure plasma behavior and plasma-driven chemistry change in three challenging but application-relevant regimes: water-mist dielectric barrier discharges (DBDs), multiphase plasma-assisted fuel reforming, and striated AC glow discharges. The work combines optical and electrical diagnostics, imaging, chemical analysis, and time-dependent analysis to connect discharge characteristics with measurable chemical …

A Pcb-Based Three-Level Active-Neutral-Point-Clamp Converter With Gan Devices, Mohammad Hassan Adeli

Theses and Dissertations

Modern microgrids, EV chargers, and renewable energy systems require power converters that are efficient, compact, and capable of high-frequency, high-power operation. However, in tightly packaged high-power designs, parasitic inductances and capacitances become significant, leading to voltage overshoot and elevated electromagnetic interference (EMI) under rapid dv/dt transitions. To address these challenges, this work presents a PCB-based 25kW, 480V, 200kHz grid-connected three-level active neutral-point-clamped (3L-ANPC) converter employing GaN devices. The PCB design emphasizes the optimization of parasitic inductances and capacitances to enhance high-voltage safety and reliability. A multilayer PCB busbar structure is implemented to minimize parasitic loops, enabling fast switching with minimal …

Deep Learning Models For Anomaly Detection In Industrial Inspection, Jiawei Guo

Theses and Dissertations

Anomaly detection plays a pivotal role in ensuring the longevity and safety of engineered systems, particularly in domains where defects can have significant operational or economic consequences. From internal damage in structural parts to subtle visual defects in manufactured components, identifying abnormal patterns requires models that are both computationally efficient and suitable for real-world deployment. This dissertation explores deep learning-based solutions designed to address these challenges, with a focus on Structural Health Monitoring (SHM) and industrial defect inspection under real-world scenarios.

This dissertation first addresses the problem of efficient and reliable component- level perception with limited supervision and strict hardware …

Laser-Based Wideband Guided Ultrasonic Wave Inspection Of Isotropic And Anisotropic Materials, Andrew Philip Campbell

Theses and Dissertations

Non-destructive evaluation (NDE) and structural health monitoring (SHM) have experienced significant growth in both capability and utility as material evaluation and damage detection methods for structural components throughout various industries over the past two decades. Evaluating a structure throughout its life cycle or on demand as needed can identify critical weaknesses that impact safe operation and may prevent failures. Various NDE/SHM methods have been shown to be effective; among them, guided ultrasonic waves (GUW), particularly Lamb wave-based methods, have been intensively studied due to their capability to interrogate internal defects and their relatively larger coverage. With the advancements in new …

The Importance Of Being Present: Presence Over Performance, De'on Turner

Theses and Dissertations

This thesis examines the development of presence as the foundational element of the actor’s craft through a sustained analysis of four major roles performed during the Master of Fine Arts Acting program at the University of South Carolina: Walter Lee Younger in A Raisin in the Sun (Spring 2024), Kesi/the Astronaut in Moon Man Walk (Fall 2024), Dennis in Mauritius (Spring 2025), and Jack Worthing in The Importance of Being Earnest (Fall 2025).

The central argument of this thesis is that the actor does not bring the character to life — at full depth; it is the character who brings …

An Agile-Informed Job Demands-Resources Framework In Hospitality: A Dual-Pathway Structural Model Of Employee Satisfaction, Burnout, And Turnover Intentions, Albaraa Mesawi

Theses and Dissertations

Persistent labor shortages and elevated voluntary turnover define the hospitality industry. High-intensity service interactions increase workload, emotional labor, and time pressure for non-management employees. The Job Demands-Resources (JD-R) model predicts engagement and retention when job resources offset job demands. Existing research has not specified which operational conditions reliably predict this balance in dynamic service work. This study evaluates whether adapted Agile philosophy serves as a heuristic framework for specifying JD-R constructs in hospitality. The study maps Agile values and principles to validated psychological constructs through Psychological State Matching: Self-Organization to Psychological Empowerment (PE), Regular Reflection to Perceived Team Learning Behavior …

The Legacy Of Hosting Sport Mega-Events On Local Consumers’ Consumption Behavior: The Case Of The Qatar 2022 Fifa World Cup, Saad Alshamari

Theses and Dissertations

This dissertation examined the legacy of hosting the 2022 FIFA World Cup on domestic soccer consumption in Qatar, with emphasis on long-term cognitive and behavioral outcomes two years post-event. Although sport mega-events (SMEs) are often justified by projected economic and infrastructural benefits, less empirical attention has been devoted to their enduring influence on domestic sport consumption, particularly in small host nations. This study investigated whether engagement with the World Cup, operationalized as attendance, media viewership, event-related spending, and participation in pre-game activities predicted subsequent attitudes, subjective norms, and PBC toward consuming soccer at local, regional, and global levels. The moderating …

Acoustics Of The Kettle Drum: A Scientific Approach To Timpani Performance, Yuesen Yang

Theses and Dissertations

This dissertation bridges the gap between scientific and performance approaches in timpani pedagogy. While the timpani have long been a member of various ensembles, its pedagogy often relies on experiential knowledge of the performers. This study synthesizes findings from acoustical research with traditional teaching sources to establish a coherent framework for timpani pedagogy.

Chapter one introduces the study’s purpose, states the problem, and presents the methodology. It also clarifies the scope of this dissertation. It identifies the lack of consistency between acoustic research and current pedagogical approach, proposing a comparative analysis of scientific literature and established pedagogical texts.

Chapter two …

A Compositional Analysis For Selected Works Featuring Saxophone By Braxton Blake, Matthew Allen Floeter

Theses and Dissertations

During the 2025-2026 school year, I have had the pleasure of working with Braxton “Brad” Blake to analyze and present on his theoretical approach to composition. As part of this project, I have learned and performed all of the music in this document. I firmly believe that one’s understanding of compositional technique is more fully realized through the preparation and performance of it. This document will provide insight into the compositional method in Seven Places (1998), Partita (2018), Three Dances (2022), and a Four Pieces for Baritone Saxophone and Piano (2026), presented in chronological order. Additionally, I have conducted several …

Deep Learning Algorithms For Generative Materials Design And Composition Based Property Prediction, Rongzhi Dong

Theses and Dissertations

The accelerated discovery of novel functional materials is critical for advancing trans- formative technologies in energy storage, electronics, and catalysis. Current discovery strategies, whether experimental trial-and-error or DFT-based computational screen- ing, are fundamentally constrained by the limited size and diversity of existing materials databases and the difculty of building predictive models that generalize beyond known compounds. Despite signifcant progress in both experimental and computational approaches, two central challenges persist in modern materials science: generating large numbers of realistic, stable, and synthesizable materials outside existing databases, and developing machine learning models capable of accurately inferring structures and predicting properties under realistic …

The Practice Of Being Human: Reflections On The Evolution Of My Acting Process, Elaine Christine Werren

Theses and Dissertations

An actor’s work is defined by process. Growth occurs not only through performance, but through examination and reflection on how this work is made. This thesis explores the evolution of my acting process as I created a variety of characters in shows performed on the mainstage at the University of South Carolina. Each role tested previous approaches, led to new ideas, challenged assumptions, and shaped my opinions about this craft. With the passage of time and new roles explored, my reflections have revealed that my process is not purely a technical pursuit, but a human one. Through sustained efforts and …

Revitalization: The Nature Of Viet Cuong’S Wind Band Trilogy, Benjamin Allen Pouncey

Theses and Dissertations

The purpose of this dissertation is to present analyses of Viet Cuong’s three concerti grossi for chamber ensemble and wind band. Cuong (b. 1990) is an internationally acclaimed Vietnamese-American composer whose music has been performed by world-renowned ensembles. Cuong’s dedication to furthering the wind band repertoire is evident in the recognition his works receive. With a catalog featuring pieces for a variety of instrumental settings, Cuong is highly sought-after as a composer of contemporary chamber music. The three concerti, Re(new)al, Vital Sines, and Second Nature, represent a fusion of these two worlds for which Cuong so passionately composes. Cuong considers …

Assessing The Impacts Of Wastewater In Occupational Health Risks And Monitoring Infectious Diseases Within Communities, Sarah Catherine Sellers

Theses and Dissertations

Wastewater and wastewater treatment plants can both positively and negatively influence public health, due to their central role in socio-ecological systems in many communities. This dissertation aimed to fill key gaps in understanding their roles: as possible sources of occupational exposure and as tools for community disease monitoring and control. The three projects in this work examined these roles, focusing on how WWTPs can impact and inform public health at both occupational and community levels. Specifically, the study investigated the effects of chronic low-dose exposure to ARGs on WWTP workers' resistomes, evaluated the potential of WBE for building-level surveillance as …

Machine Learning Toward Materials Discovery: From Crystal Mapping And Out-Of-Distribution Property Prediction To Radiation Detection And Emerging Foundation Models., Qinyang Li

Theses and Dissertations

The discovery and optimization of advanced materials are central to addressing global challenges in energy, healthcare, and sustainability. This dissertation develops representation-aware and distribution-aware machine learning frameworks to improve robustness, generalization, and interpretability in materials informatics and radiation detection. The work spans crystal structure mapping, adversarial learning for out-of- distribution prediction, foundation-model-based property prediction, and deep neural classifcation of photon interactions.

A global mapping framework is frst introduced to analyze the inorganic materials space using compositional, structural, physical, and neural descriptors derived from the Materials Project database. By embedding materials into low-dimensional mani- folds, the framework reveals clustering behavior and …

Between Traditions And Techniques: The Growth Of An Actor Across Styles And Cultures, Didem Ruhi Karci

Theses and Dissertations

This thesis reflects on my artistic development during the Master of Fine Arts in Acting program at the University of South Carolina through an analysis of several performance processes, including The Visit, the Commedia dell’arte devised piece Mad Love, Antigone, Twelfth Night, and The Importance of Being Earnest. Drawing from rehearsal experiences, performance practices, and classroom training, the thesis examines how different acting techniques and theatrical traditions shaped my approach to character creation and performance. Throughout these productions, I explored the relationship between voice, body, and emotional truth while applying tools such as the Alexander Technique, Lessac voice work, Michael …

Exploring Genetic Causes And Perspectives Of Uninformative Snp- Based Cell-Free Dna Prenatal Screening Results, Teeya Mercer

Theses and Dissertations

Single nucleotide polymorphism (SNP)-based cell-free DNA (cfDNA) prenatal screening can yield uninformative results, including “atypical finding” and low fetal fraction results which can present challenges for clinical management. Limited data exists regarding the underlying causes, pregnancy outcomes, and patient experiences associated with these results. The purpose of this study was to explore the different potential underlying causes of these uninformative results while also exploring the pregnancy outcomes and the perspectives of patients who have received one. A mixed methods study was conducted consisting of a retrospective chart review on patients who had a documented appointment with a genetic counselor for …

The Effects Of Whole-Body Vibration On Countermovement Jump Kinetics And Performance, Garrett Reese Evans

Theses and Dissertations

PURPOSE: Whole-body vibration (WBV) is reported to be an effective training modality for increasing vertical jump height. However, the underlying mechanisms are unclear because limited studies have examined the effects of WBV on kinetic variables underling jump height. The purpose of this study is to examine the effects of WBV on jump height (JH), modified reactive strength index (RSImod), and eccentric rate of force development (eRFD) during the countermovement jumps (CMJ) in recreationally-active young adults.

METHODS: Fifteen participants (13 male, 2 female, 21.5±1.89yr, 1.78±0.10m, 80.2±15.0kg) completed three randomly-ordered WBV exposures (0s, 30s, or 60s: 35Hz, 2mm amplitude). Three CMJ were …

Sex Differences In Cardiac Autonomic Response To Physical Exertion Following Concussion In Adolescents, Kiersten Isabella Mangold

Theses and Dissertations

Concussions, or mild traumatic brain injuries, are common amongst adolescent populations. Despite the qualifier of “mild”, these injuries can have a lasting impact on quality of life and school function. It has long been suggested that females experience poorer outcomes following concussion compared to their male counterparts, yet much research focuses primarily on male populations. Various theories have been proposed to explain these reported sex differences in concussion outcomes, ranging from socio-cultural differences in symptom reporting to neuroanatomical differences and the influence of sex hormones. Cardiac autonomic function (C-ANS) has emerged as a potential contributing mechanism to post-concussive symptoms. Although …

Learning To Stop Being Clever, Dominic Delong-Rodgers

Theses and Dissertations

This thesis explores the actors process for four productions in the University of South Carolina’s Theatre and Dance Department spanning from Winter of 2024 to Fall of 2025 and taking place as part of the MFA program in acting. These four productions – The Visit by Frederich Durrenmatt, directed by Craig Miller; Antigone by Sophocles, directed by Lauren Wilson; Mauritius by Theresa Rebeck, directed by Erica Tobolski; and The Importance of Being Earnest by Oscar Wilde, directed by Dustin Whitehead – form critical points in the MFA program of study, allowing for the practical application of techniques and approaches learned …

From Experience To Reasoning: Offline Rl Subroutines And Llm-Based Grounding For Sample-Efficient Reinforcement Learning, Jianhai Su

Theses and Dissertations

Improving the learning efficiency of reinforcement learning (RL) agents remains a fundamental challenge, particularly in environments characterized by sparse rewards, long horizons, or partial observability. This dissertation investigates how RL agents can learn more efficiently through two complementary forms of guidance: mechanisms derived purely from an agent’s own experience and mechanisms that leverage reasoning priors from pretrained large language models (LLMs).

On the experience-driven side, the frst study develops a general framework for incorporating ofine RL algorithms as subroutines within an online RL process. In this framework, an agent periodically repurposes its replay bufer as an ofine dataset and applies …

Guilt’S Role In Sustainable Fashion Adoption: Bridging The Attitude-Behavioral Intention Gap And Moral Influences On Consumer Choices, Lauren Mckenzie Cole

Theses and Dissertations

The COVID-19 pandemic led to a substantial increase in consumer awareness within the fashion industry. Despite increased consumer consciousness and a growing interest in adopting sustainable fashion habits, a notable gap exists between consumer attitudes, intentions, and actual behavior. This is referred to as the attitude-behavior gap. Although many consumers express a desire to adopt sustainable fashion consumption habits, various psychological factors and barriers hinder their ability to do so. This Study addresses these challenges, focusing specifically on the role of guilt as a motivating factor in bridging the attitude-behavior gap. Using a survey with Generation Z consumers, this study …

Bias Effects Of Priming Towards Huntington’S Disease Among Second- Year Medical, Physician Assistant, And Genetic Counseling Students, Cameron Lynn Galley

Theses and Dissertations

Individuals with Huntington’s Disease (HD) have experienced bias in their interactions with the public and with health professionals. This study explored perceptions of HD and potential bias among students in interdisciplinary health professions. We hypothesized that the presence of symptoms in vignettes would reflect increased implicit bias, participants with exposure to HD would show less bias than those without, and genetic counseling students would exhibit lower bias towards HD than medical and physician assistant students.

Attitudes towards those with HD were assessed through one of four vignettes about a fictional character in which a presymptomatic diagnosis was present or absent, …

Recollection Of The Archaic Psyche: A Comparative Study Of Viacheslav Ivanov’S Realistic Symbolism And Carl Gustav Jung’S Analytical Psychology, Elizabeth Jay Wheless

Theses and Dissertations

This thesis reflects my three years at the University of South Carolina’s Master of Fine Arts in Acting program, including the roles I’ve played and shows I’ve acted in. The chapters include detailed accounts of my time acting as The Teacher in The Visit by Friedrich Dürrenmatt in March 2024, the Choragos in Antigone by Sophocles in October 2024, Mary in Mauritius by Theresa Rebeck in February 2025 and Gwendolen in The Importance of Being Earnest by Oscar Wilde in November 2025. Each chapter has subchapters of “auditions and callbacks,” “rehearsals,” “performances,” and “lessons and conclusion.” This thesis is a …

Comparative Study Of Modern Chinese And Claude Debussy’S Piano “Water” Theme Works, Jingxia Kuang

Theses and Dissertations

This study focuses on the music depiction of "water" and explores the similarities and differences between the piano works of modern Chinese compositions and French composer Claude Debussy, with particular attention to musical texture and performance techniques. It begins by examining the aesthetic parallels and cultural differences between French Symbolist literature and classical Chinese poetry, both of which are grounded in symbolic expression, indirect suggestion, and sensory resonance. Influenced deeply by Symbolist poets such as Mallarmé and Verlaine, Debussy often approached music composition through the lens of poetic thinking, constructing soundscapes rich in implication and ambiguity. Similarly, symbolic imagery plays …

Parent & Provider Perspectives On Rehabilitative Therapies For Children With Mucopolysaccharidosis Type Iii, Laura Denise Ciccarelli

Theses and Dissertations

Mucopolysaccharidosis type III (MPS III) is a neurodegenerative lysosomal storage disorder characterized by autistic behaviors and skill regression. Although there is currently no cure for MPS III, various therapeutic approaches are recommended to manage the associated clinical manifestations. The aim of this exploratory study was to assess the perspectives of parents and providers on rehabilitative therapy for their children or patients with MPS III. Furthermore, it evaluated the potential benefit of an MPS III therapy resource developed by genetic counselors. Interview and survey responses were collected between September 2025 and January 2026. Eligible providers included certified speech, physical, occupational, and …

Musculoskeletal Physiology In Piano Pedagogy: Mechanistic Insight, Movement Exploration, And Technique-Building Exercises, Ziyue Gao

Theses and Dissertations

Piano technique requires the coordinated movements of multiple body parts; therefore, a clear understanding of the physiological principles underlying these movements is essential for effective technical instruction. Although existing literature— such as Thomas Marks’s What Every Pianist Needs to Know About the Body—provides detailed anatomical descriptions, it is often unclear how such knowledge can be systematically translated into pedagogical practice. To address this gap, this dissertation draws on musculoskeletal physiology to examine the movement mechanisms underlying major piano techniques. These mechanisms encompass thumb function, the fourth and fifth fingers, finger independence, wrist function, forearm rotation, the integration of natural arm …

Evaluating Genetic Counseling Perspectives Around The Use Of Chat-Ai As A Standardized Patient, Mary Claire Sherman

Theses and Dissertations

Roleplays and standardized patients (SPs) are widely utilized and valued training tools in medical education. Artificial intelligence (AI) has emerged as a novel component of medical education, though its applications in genetic counseling remain underexplored. This study examined perceptions of genetic counseling students, recent graduates, and educators on chatbot artificial intelligence (chat-AI) as a SP in roleplay exercises. Eligible participants completed a survey requiring a roleplay interaction with ChatGPT. Standardized prompts included roleplay instructions and a framework based on the American Board of Genetic Counseling Practice-Based Competencies (PBCs) and the Reciprocal Engagement Model (REM) for chat-AI to provide feedback on …

Exploring Secular Jamaican Art Songs: A Performance Guide For Peter Ashbourne’S Fi Mi Love Have Lion Heart, Christine A.S. Powell-Thomas

Theses and Dissertations

Jamaican art song remains underrepresented in mainstream classical training. As a result, singers may lack exposure to its linguistic and cultural nuances. This dissertation addresses this gap by providing a performance guide specific to Peter Ashbourne’s (b. 1950-) Fi Mi Love Have Lion Heart, a set of five art songs. Attention is given to matters of text delivery, rhythmic clarity, stylistic character, and the balance between authenticity and vocal freedom. In doing so, the study honors both the classical vocal tradition and the cultural context from which these works emerge.

This document provides performance practices, interpretation and diction, including an …

Patient-Centered Insights Into The Triage And Diagnostic Experience Of Hypermobile Ehlers-Danlos Syndrome In Clinical Genetics Services., Rylan Makenzie Sweitzer

Theses and Dissertations

Hypermobile Ehlers-Danlos syndrome (hEDS) is the only form of Ehlers-Danlos syndrome (EDS) without a known genetic etiology. One of the criteria for diagnosing hEDS is the exclusion of other possible causes. This often leads to referrals for a clinical diagnosis with a medical geneticist or genetic testing for other forms of EDS. This study aimed to investigate the education that individuals diagnosed with or suspected to have hEDS are receiving and what genetic providers include in their appointments with these patients. This study included two original online surveys. The first was sent to patients through providers at Indiana University and …