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Wine Bottle Problems
Daniel J Illg
This is a project for MTH 466, Graph Theory and Combinatorics. A graph is a mathematical object that consists of two sets, a set of vertices and a set of edges. An edge joins two vertices and depicts a relationship between those vertices. Using vertices to represent states and directed edges to represent a transition between states, we can construct digraphs to model the Wine Bottle Problems. These problems ask how few pourings are needed to distribute specific amounts of wine amongst a set of unmarked bottles knowing only the capacity of each bottle and the total amount of wine. We will model problems such as finding the minimum number of pours required to distribute 8 liters of wine evenly into 2 bottles using only three bottles that have capacities of 3, 5, and 8 liters of wine. We will also explore properties of these digraphs.
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Wing Performance Changes Due to Wing Surface Contours
Faith Alison Loughnane, Rachael Marie Supina
Most leading-edge tubercles studies (inspired from the humpback whale) involve serrated-type leading edges where the airfoil cross-section is destroyed. In this research, the effect of the tubercles is investigated where the airfoil cross-section is preserved along the span of the wing. By maintaining the same airfoil section throughout, reducing the chord reduces the thickness of the wing, creating uneven wing surface contours. These contours are hypothesized to affect the spanwise flow thereby affecting the induced drag, roll-up of the wingtip vortex, and the parasite drag of the wing. Sensitivity study was done on the number of contours along the span (6, 9 and 12) and contour location (leading edge, trailing edge, both leading and trailing edge) by performing force-based experiments at the University of Dayton Low Speed Wind Tunnel (UD-LSWT). The aerodynamic coefficients were compared among the wing with and without contours. The aerodynamic lift and drag coefficients along with variations in aerodynamic efficiency will be presented for wings with and without contours.
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Work vs Play in classrooms
Hailee M Cain, Katelyn Marie Gillotti
We will be exploring the benefits of play in early childhood classrooms and beyond. Research shows that there are significant benefits to play, but recently school systems have begun to phase out the importance of play in their curriculums. Instead increasing academic rigor has taken over the life of the everyday classroom. While academic skills are vital, social skills are equally as important for student's proper development. Teachers and educators of all grade levels must find methods to incorporate both cognitive and social emotional development into their classrooms. With the implementation of several required standardized tests, school districts have been forced to focus only on academic scores in order to receive good grades on these large-scale assessments. The consequence of these tests is that students have been given less time to work on and cultivate creative activities and ideas in the classroom, including time for free play. Methods such as intentional teaching have emerged to help teachers combine both academics and play or exploration into the same lesson plans. The goal of our research will be to explore both the benefits and drawbacks of prioritizing play in the everyday classroom.
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Xsens Distance and Displacement Accuracy in Human Motion
Julie A Buynacek
The Xsens MVN Awinda tracks human movement with 18 wireless sensors placed in specific places on the body as well as a prop. The system allows for real-time 3D visualization of motion and measures the distance and displacement of tracked motion. It is hypothesized that Xsens data would be most reliable when walking, less reliable when jogging due to greater disturbed motion, and least reliable when using crutches. Disturbed motion is greater movement that could contribute to displacement of the sensor from its original position.
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Youth Sport Concussion Management
Cordell James Stover
As knowledge about concussions increases and more is being discovered regarding the lasting effects of concussions, youth sport coaches need to be better informed and educated on the signs and symptoms of concussions and the management of concussions and return-to-play procedures. This research examines what coaches of youth athletes (5-12 years of age) know about concussions and concussion management. Semi-structured interviews with coaches were conducted and will be analyzed in order to develop recommendations for effective training tools to help coaches identify and properly manage youth sport concussions.
The Brother Joseph W. Stander Symposium recognizes and celebrates academic excellence in undergraduate and graduate education. This annual event provides an opportunity for students from all disciplines to showcase their intellectual and artistic accomplishments. The Stander Symposium represents the Marianist tradition of education through community and is the principal campus-wide event in which faculty and students actualize our mission to be a "community of learners." This collection contains a sampling of the posters presented during the symposium in 2019.
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