Digital Commons Network^™

Simulation And Projection Of Glaciers And Their Runoff In Xinjiang Based On Tgsgs, Zhongqin Li, Yefei Yang, Bowen Liu, Huilin Li, Zexin Zhan, Feiteng Wang, Chunhai Xu, Weibo Zhao

Bulletin of Chinese Academy of Sciences (Chinese Version)

Glaciers are large flowing ice bodies formed from snowfall in cold regions. Due to the intrinsic physical properties of ice and the complexity of boundary conditions, physically based modelling of glacier change remains a global challenge. With support from the Chinese Academy of Sciences’ key science infrastructure program for the field station, the Tianshan Glaciological Station completed the Tianshan Glacier Station Glacier Simulator (TGSGS) in 2025. TGSGS features advanced representations of the physical mechanisms driving glacier change and multi-scale ensemble strategy, and is integrated with a reference glacier observation network based on terrestrial laser scanning (TLS), a low-temperature laboratory for …

Southeastern United States African American Business Leaders’ Effective Business Profitability Strategies, Maurice Chamblin

Walden Dissertations and Doctoral Studies

African American business leaders in the United States experience persistent operational constraints that affect business sustainability and long-term profitability. These leaders face recurring challenges in accessing capital, securing managerial support, and effectively utilizing resources, which may hinder their ability to remain viable and competitive. Grounded in resource-based view theory, this qualitative pragmatic inquiry project aimed to identify and explore the practical strategies used by African American business leaders in the Southeastern United States to increase their business profitability over more than 5 years. The participants were six African American business leaders from the Southeastern United States who had grown their …

Traditionally Certified, Second-Career Teachers’ Perceptions Of Intent To Stay In The Classroom, Tara L. Wells

Walden Dissertations and Doctoral Studies

The problem that was addressed through this study was the high teacher turnover, including traditionally certified, second-career teachers (TCSCTs), in United States classrooms, despite support and additional resources provided. The purpose of this qualitative study was to examine TCSCTs’ perceptions on the reasons and their recommendations to remain in the classroom. Ingersoll's teacher turnover and retention framework was used to conceptually frame this study. Using a basic qualitative design, semistructured interviews were conducted with 12 TCSCTs. Data were analyzed through thematic analysis. The following themes emerged: TCSCTs remain in the profession primarily due to a sense of purpose in their …

Burnout And Secondary Traumatic Stress Experiences In Mental Health Professionals Working With Military Veterans, Megan Carter

Walden Dissertations and Doctoral Studies

Burnout among mental health professionals has been a long-standing phenomenon when working with trauma individuals resulting in increased job turnover rates and decreased quality of care for patients. The job demands- resourced model and constructivist self- development theory were used to guide this study. The purpose of this research study was to explore how mental health professionals working with the military veteran population experience burnout and secondary traumatic stress. A descriptive qualitative design was used with purposive and snowball sampling to attain 10 mental health professionals from various facilities serving military veterans. Data were collected from semistructured interviews and were …

From Browsing To Building: Navigating Your Google Resource Space (Drive & Site), Libby Cunningham

Capstone Projects

This capstone project aimed to develop a trauma-informed, evidence-based support hub for Court Appointed Special Advocates (CASA) working with children involved in the foster care system. CASA advocates are frequently exposed to secondary trauma, burnout, and compassion fatigue, which can impact their effectiveness and overall well-being. Additionally, trauma exposure significantly affects children’s emotional regulation, behavior, and participation in daily occupations. The primary objective of this project was to design, develop, and organize a comprehensive digital resource platform tailored to the needs of Kalamazoo CASA and their active cases. Utilizing evidence-based literature on trauma-informed care and secondary trauma, relevant resources were …

The Missing Link Between Occupational Therapy And Hemodialysis: Program Development And Implementing Intradialytic Ot In A Rural Hospital Setting, Madison Maki

Capstone Projects

Occupational therapy (OT) has demonstrated effectiveness in supporting individuals undergoing hemodialysis, a life‑altering yet lifesaving treatment for end‑stage renal disease (ESRD) and chronic kidney disease (CKD). Despite this, hospitalized patients who require dialysis often receive reduced rehabilitation services due to the time‑intensive nature of dialysis and the productivity demands placed on therapists. Additionally, gaps in therapist knowledge regarding the unique functional deficits and educational needs of this population further limit service delivery.

This doctoral capstone project (DCE), conducted at Upper Peninsula Health System (UPHS), a hospital in rural Northern Michigan, addressed these barriers through the development of a comprehensive resource …

Development Of 6-Week Tier 2 Intervention Tracks Within An Elementary Mtss Framework, Maxwell Lyle

Capstone Projects

The Multi-Tiered System of Supports (MTSS) is designed to provide levels of support with differing intensity that align with student needs. Tier 1 is universal instruction provided to all students in the classroom. Students who do not demonstrate adequate progress may receive Tier 2 interventions, which are primarily small-group and, when appropriate, individual interventions that are skill-specific, time-bound (6–8 weeks), and include progress monitoring. Students who do not respond to Tier 2 may require Tier 3 supports, which are intensive, individualized interventions. Many school systems lack consistent, structured Tier 2 supports, particularly in Occupational Therapy-related skills, such as fine motor …

Addressing Barriers To Occupational Therapy Access For Foster Youth Through Advocacy And Education, Josephine Sanders

Capstone Projects

Occupational therapy (OT) is well positioned to support regulation, sensory processing, and participation in daily activities, yet its role in trauma-informed care is often underrecognized. Foster youth experience disproportionately high rates of trauma exposure, which can affect emotional regulation, behavior, relationships, and participation in meaningful occupations. Despite these needs, barriers within healthcare systems and limited awareness of OT’s role often prevent foster youth from accessing services.

This doctoral capstone experience focused on increasing access to OT for foster youth through advocacy, education, and advanced clinical learning and practice. The experience took place at CAYA Therapies in Grand Rapids, Michigan, where …

Culturally Responsive Trauma-Informed Care: A Crosspollination Through Content Analysis, Ryan Andrew Partika

LMU Theses and Dissertations

The purpose of this research was to investigate additional ways trauma-informed care can have more of a whole child approach, especially for the most vulnerable students. This research, with an eye on the most vulnerable, addressed the following a guiding question: what would a traumainformed system of care look like with a social justice dimension? To gain a better understanding of such a possibility, this research used a content analysis of the literature on trauma-informed care. From the literature, it became apparent cultural responsiveness has often been suggested as a needed addition for trauma care but has never been fully …

Gathering Places: Indigenous Resources, Economies, And Diplomacy In The Northeastern Great Plains, 1650 – 1806 Ce, Matthew D. Busch

History Theses, Dissertations, and Student Creative Activity

Centuries before European arrival in the Great Plains region of North America, Indigenous exchange networks connected people within the continental interior to the Atlantic and Pacific oceans and the Gulf Coast. Throughout this vast Native Space, Indigenous peoples sought new resources and opportunities to create sustainable and successful lifeways by harnessing the spiritual, economic, and political power of place as they journeyed across the landscape.

The Coteau des Prairies centrally located between the Missouri, Mississippi, and Hudson's Bay watersheds within the Northeastern Great Plains represents a unique place of power. This imposing glacially modified landscape characterized by numerous lakes, fertile …

Efficacy Of Homemade Botanical Insecticides Against Diamondback Moth (Plutella Xylostella) And Cabbage Aphids (Brevicoryne Brassicae) On Brassica Crops, Nancy Munyoki, Edward N. Karanja, Komivi S. Akutse, Noah Adamtey, Martha Musyoka, Komi K. Fiaboe, David Bautze, Edwin Nderitu, Felix Matheri, Dubois Thomas, Milka Kiboi, Chrysantus M. Tanga

All Peer-Reviewed Publications

The growing need for accessible alternatives to synthetic insecticides has renewed interest in farmer-made botanical formulations for pest management. This study evaluated the efficacy of selected homemade botanical insecticides against diamondback moth (Plutella xylostella) and cabbage aphid (Brevicoryne brassicae) on cabbage (Brassica oleracea var. capitata) and kale (B. oleracea var. acephala) under laboratory and semi-field conditions. Three homemade formulations were assessed: a one-day-old multi-plant extract with neem (Azadirachta indica; PE + N), a one-day-old extract without neem (PE), and a fourteen-day-old, fermented extract without neem (PE14). These were compared with three commercial botanical products. In replicated leaf- and plant-based bioassays, …

Review On Optimization Of Simulation Modeling Strategies For Spacecraft Orbit Avoidance, Guozheng Li, Rui Wang, Shichao Fan, Xintong Cai, Xinyue Zhai

Journal of System Simulation

Abstract: The number of on-orbit spacecraft increases exponentially; the space environment becomes more complex, and the collision risk of on-orbit spacecraft increases significantly. On-orbit safety is thus severely threatened, posing higher requirements for orbit avoidance methods. The costs and risks of space activities are extremely high, making simulation an effective method to solve complex problems of orbit avoidance. The modeling, solution, and simulation methods for the two core issues of spacecraft orbit avoidance, "collision avoidance" and "pursuit-evasion games", were systematically reviewed, and the existing shortcomings were analyzed. The applications of technologies such as deep reinforcement learning in promoting orbit avoidance …

A Bilstm+Attention Method For Predicting The Intentions Of Air Combat Targets Based On Multi-Feature Continuous Time Series, Qiuni Li, Dong Wang, Chaozhe Wang, Zongcheng Liu

Journal of System Simulation

Abstract: To achieve advance prediction of enemy target intention, a three-layer air combat intention prediction method based on multi-feature continuous time series and BiLSTM+Attention, including trajectory prediction, threat assessment, and intention prediction was proposed. To prevent the onesidedness of intention prediction results caused by state information at a single moment, prediction was carried out from multiple state features and trajectory information in a continuous time series. An LSTM neural network was used to predict the trajectory of the target aircraft, and the threat assessment of the target aircraft before and after the prediction was conducted. The BiLSTM + Attention model …

Optimization Of Air Defense And Antimissile Firepower Resource Allocation Based On Adaptive Hybrid Evolution, Wei Liu, Delong Chen, Ze Liu, Rui Wang, Kaiwen Li, Tao Zhang

Journal of System Simulation

Abstract: Air defense and antimissile firepower resource allocation is a core optimization problem in modern defense systems. Under complex conditions such as spatiotemporal constraints and firepower resource limitations, this problem involves the optimal configuration of limited interceptors and belongs to the class of NP-hard multi-constrained combinatorial optimization problems. This paper established a comprehensive mathematical model encompassing range constraints, time window constraints, feasibility matrices, and interception probability models. To address the high-dimensional nonlinearity of the problem, an adaptive hybrid evolutionary algorithm (AHEA) was proposed. The algorithm integrated problem-aware initialization, adaptive parameter control, seven specialized neighborhood search operators, and an adaptive strategy …

Mechanism Analysis Of Parasitic Torque In Electric Loading Systems, Xiaozhe Sun, Zhenyu Fu, Zhaoke Xu, Jianxin Li

Journal of System Simulation

Abstract: To address the issues of sources and mechanisms of parasitic torque in electric loading systems for aircraft actuator loads, a functional model of the electric loading system was established. Numerical simulations and Monte Carlo methods were employed to analyze the sources of parasitic torque and its primary influencing factors. The influence mechanisms and degrees of the system's external inputs and internal disturbances on parasitic torque were analyzed and validated through single-parameter and multi-parameter analyses. The results indicate that parasitic torque is predominantly influenced by factors such as loading command frequency, sensor signal bias, and loading motor parameters. In particular, …

Simulation On Water Hammer Characteristics Of Bipropellant Attitude And Orbit Control Propulsion System, Xianwei Lang, Yantao Wang, Fang Zhang, Yizhen Zu, Xinyu Zhang, Weibin Xiang

Journal of System Simulation

Abstract: To address the water hammer problem in bipropellant attitude and orbit control propulsion systems during start-up, shutdown, and periodic operation, the water hammer characteristics under different operating conditions are investigated using simulation methods. The water hammer characteristics of annular and branched propellant delivery lines are compared, and the effects of multiengine interactions under various operating conditions, as well as the influence of water hammer on engine performance, are analyzed. The results show that the attenuation rate of pressure fluctuation in the annular pipeline system is significantly higher than that in the branch pipeline system. Under the condition of multi-cycle …

Design And Application Of Collaborative Simulation System For Satellite Constellation Flight Missions, Dong Yan, Hanzhe Yang, Fangfang Jiang, Chengbao Liu, Peng Zhang

Journal of System Simulation

Abstract: To meet the requirements of the collaborative drill for the ground operation and control system of the satellite constellation, as well as the verification and evaluation of in-orbit complex missions, the design ideas and implementation methods of the collaborative simulation system for satellite constellation flight missions were proposed. By adopting the time correction mechanism of the time-scale distributor, the time synchronization problem among the simulation nodes and the operation and control simulation system was solved. By adopting the communication technology based on improved PDXP + UDP, the problem of cross-node data interface and inter-satellite communication simulation was resolved. A …

Overall Design Method Of Low Earth Orbit Communication Satellite Based On Mbse, Jiace Shang, Rui Zhang, Ya Dai, Hua Zhu, Siqi Hu, Linqiang Ge, Chenguang Shi

Journal of System Simulation

Abstract: Drawing on the model-centric design philosophy of model-based systems engineering (MBSE), this study constructs a model architecture suitable for the design and analysis of low Earth orbit communication satellites. This architecture adopts a multi-dimensional matrix approach. Vertically, it traverses the mission layer, system layer, satellite general design layer, and subsystem layer, achieving top-down hierarchical decoupling. Horizontally, it establishes a comprehensive view mapping mechanism covering the domains of requirements, functions, structure, and performance. Integrating the characteristics of product development, a modeling process covering the entire lifecycle—from mission demonstration and overall design to subsystem design and integration verification—has been established. The …

Nightlights For Older Adults: Enhancing Bedroom-To-Bathroom Transitions With Community Resident Feedback, Yue Luo, Aubrey Contreras, Susana Valdivia-Rivas, Yuhao Chen, Boyi Hu

Faculty Research, Scholarly, and Creative Activity

This study aimed to inform nightlight design by analyzing older adults’ subjective feedback and kinematic responses during evening activities. Twenty-seven older adults (mean age: 81 ± 6 years; 14 females) participated in the study. Their preferences for nightlight illuminance and hue were surveyed, and gait and posture adaptations under two illuminance levels were analyzed using spatiotemporal comparisons, principal component analysis (PCA) based analysis, and waveform reconstruction. The results revealed that older adults preferred low illuminance over high illuminance, with warm white and cool colors as the favored choices for evening lighting. Significant differences were observed in spatiotemporal gait variables, particularly …

When The States Lost Their Senate: The Seventeenth Amendment, Katelyn King

Honors College Theses

To what extent has the Seventeenth Amendment impacted American federalism? The Seventeenth Amendment changed the way United States Senators are chosen from state legislature appointment to popular direct election. However, the framers of the U.S. Constitution established the original method for selecting U.S. Senators to safeguard an important principle in America’s government: federalism. If the Seventeenth Amendment decreased direct state influence in the federal government, it could have weakened federalism in America; consequently, the amendment may have altered how the American system of government is supposed to function. The U.S. Senate’s selection process was not only a safeguard for federalism …

Exploring Alternate Methods Of Flood Output Estimation During Natural Disasters, Finley Gardner

Honors College Theses

In April of 2025, extreme flooding damaged many homes and buildings of people across Kentucky. The Federal Emergency Management Agency (FEMA) produces maps that show the potential for flooding in areas around water bodies, but many of the April flooding damaged areas were well outside of the FEMA classification zones. The main purpose of this thesis research was to create an accurate model of potential flood extent in Kentucky and compare it to FEMA maps. This model did not require extensive computing power and produced a map that accurately depicted flood extent through the use of Digital Elevation Model (DEM) …

Lanthorn, Vol. 60, No. 15, April 20, 2026, Grand Valley State University

Volume 60, August 4, 2025 – April 20, 2026

Lanthorn is Grand Valley State's student newspaper, published from 1968 to the present.

Does Ethnic Identity Moderate The Association Between Ethnic Discrimination And Gambling Harm Among Hispanic Or Latino/A/X College Students, Adrianna Jordan Valencia

Electronic Theses and Dissertations Archive

No abstract provided.

Ndls Communicator: Week Of 04.20.26, Notre Dame Law School

NDLS Communicator

The Latest News

• Notre Dame Law School hosted the annual Champions for Justice Public Interest Recognition Ceremony
• Notre Dame Law School hosted its second Affinity Alumni Weekend
• Notre Dame Law School’s Lindsay and Matt Moroun Religious Liberty Clinic filed an amicus brief on behalf of Associate Professor of Law Rev. Patrick Reidy, C.S.C. in St. Philip Neri Catholic Church v. Indianapolis Historic Preservation Commission.
• The Notre Dame Law School Program on Church, State & Society has awarded 2026 summer fellowships to Steph Luiz, Christian Baldari, Angela Rauch, and Paul Sheehan

Student News

• Matilda Koduh, 2L
• Grace Yeo, 2L
• Steven …

Lost In Thought: An Exploration Of Musical Perception And An Original Piece For Orchestra, Matthew Moix

Electronic Theses and Dissertations

This thesis presents an original two-movement musical composition orchestrated for full orchestra titled Lost in Thought, based on Alice Oseman’s graphic novel series Heartstopper (2018-2023). The work explores the relationship between two different characters from the series, Nick and Charlie. It emphasizes the different perspectives of these characters and explores the concept of how two different points of view can tell the same story in different ways. An accompanying analysis of the work explains how the two movements illustrate the characters' individual mindsets throughout their version of the story, as well as showing their personal character development and how their …

Exploring The Importance Of Mental Health Education In 5th Grade & Its Impact On Emotional Well-Being, Claudia K. De Jong

Masters Projects

Exploring The Importance of Mental Health Education in 5th Grade & Its Impact on Emotional Well-being

Abstract

Mental health challenges among youth continue to rise, with many mental health disorders emerging before adolescence, highlighting a critical gap in early prevention efforts. This study explores the importance of implementing structured mental health education in 5th grade as a proactive approach to supporting emotional development and reducing long-term behavioral risks. Grounded in research on developmental psychology and social-emotional learning (SEL), this project examines how early intervention can improve emotional regulation, help-seeking behaviors, and overall student well-being during a key transitional period. Using …

Fostering A Sense Of Belonging Through Culturally Engaging Campus Environments, Rebeca Barajas-Juarez

Masters Projects

Latinx college students are the fastest growing student population, enrolling into college at higher rates than any other group, yet their retention rates are concerningly low (Almanzar & Ruedas-Gracia, 2024). Research has shown that Latinx students disproportionately experience hostile campus climates and feel the negative effect on their sense of belonging (Hurtado & Carter, 1997). Additionally, Latinx students at predominantly white institutions regularly encounter challenges that lead to feelings of isolation and a higher likelihood of departing from college (Benavides et al., 2024). This project uses Samuel D. Museus’ (2014) Culturally Engaging Campus Environment (CECE) Model as the main framework …

Supporting First-Generation Students By Bridging The Social Capital Gap, Bailey A. Pudlowski

Masters Projects

First-generation students are an increasing presence on college campuses. First-generation students are coming to school, with a gap in social capital in comparison to their continuing- generation peers. First-generation students need support and resources to counteract this capital gap. Using self-determination theory (1985) and Astin’s theory of involvement (1984) as drivers to gauge best practices to support first year students. Using those theories, as well as taking first- generation student demographics into account, I created a workshop that has a goal of bridging the social capital gap between first-generation students and their peers. This workshop focuses on having students reflect …

Intouch Week Of April 20, 2026, New York Medical College

InTouch

• Revisiting AIDS, Advocacy, and the Evolution of Medicine
• NYMC Unites for Parkinson's Disease Awareness Month
• NYMC Visits Yale's Cushing Center
• TCDM New Mexico is On-air
• In The Community: Medical Students Serve Their Communities
• In The Community: NYMC Students Provide Screenings at Community Health Fair
• Student Spotlight: Katelyn Lawson, D.P.T. Class of 2026, Shares a Journey Guided by Purpose and Shaped by Mentorship
• Faculty Profile: Shaping Future Clinicians Through Research and Connection

An Educational Intervention To Increase Nurses’ Knowledge And Confidence Of Patient Mobility, Debbie Ann Pytak

Walden Dissertations and Doctoral Studies

Immobility is a significant concern given that nearly half of all hospitalized adults are immobile during their hospitalization, placing them at increased risk for adverse outcomes. As a result, it is critical for nurses to implement strategies that promote safe, structured patient mobility. Thus, the purpose of this Doctor of Nursing Practice (DNP) project was to determine if an educational intervention focused on patient mobility and standardized mobility tool utilization increased knowledge and confidence among nursing staff in an acute care setting. Ten participants volunteered to attend the educational intervention. The average age of the participants was 44.30 years (SD …