Search results
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Title
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A Detailed Description of Keldysh's Model of Photoionization
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Author
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Darden, Kenan
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Date Created
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2023
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Subjects--Topical
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Physics, Optics, Quantum theory
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Description
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Leonid Keldysh’s 1965 paper "Ionization in the Field of a Strong Electromagnetic Wave" contains useful and simple-to-implement equations predicting the rate of photoionization in both atomic gasses and general crystalline solids. Crucially, his re...
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Title
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An Evaluation of Teaching Methods in the Introductory Physics Classroom
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Author
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Savage, Lauren
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Date Created
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2015
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Subjects--Topical
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Education, Physics, Educational evaluation
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Description
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The introductory physics mechanics course at the University of North Carolina at Charlotte has a history of relatively high DFW rates. In 2011, the course was redesigned from the traditional lecture format to the inverted classroom format (flipped...
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Title
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Analysis of a Low Enriched Uranium Centrifugal Gas Core Reactor
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Author
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Leer, Darrin
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Date Created
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2020
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Subjects--Topical
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Fluid mechanics, Physics, Radiation, Nuclear physics
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Description
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With the new NASA directive of returning to the Moon in 2024 as a stepping stone to missions to Mars and beyond, there is a renewed interest in developing nuclear thermal rockets (NTR) to reduce trip times. This thesis will focus on the analysis o...
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Title
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Discrete Element Simulations of Powder Spreading in Additive Manufacturing
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Author
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Amrapurkar, Parth
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Engineering, Physics
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Description
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Powder spreading plays a critical role in the quality of parts produced with selective laser sintering (SLS). Some of the important parameters that influence the quality of the powder bed are the powder particle size and distribution, blade speed,...
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Title
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Extending Topological Constraint Theory to Glass Networks with Hydrogen Bonding
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Author
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Bloom, Austin
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Date Created
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2023
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Subjects--Topical
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Physics, Condensed matter
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Description
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Topological constraint theory has been successful in providing a simple model forthe liquid-glass transition in covalent bond bending networks. However, it is lim- ited to networks where all bonds are quenched and possess equivalent potential well...
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Title
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Insights Derived From Studies on the Interaction of Wall Jets With an Elevated Hump Wake
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Author
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Sehman, Sean
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Physics, Fluid mechanics
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Description
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ABSTRACTSEAN M. SEHMAN. Insights Derived from Studies on the Interaction of Wall Jets with an Elevated Hump Wake (Under the Direction of DR. MESBAH UDDIN) Underneath a travelling road vehicle, a channel flow develops between the road and the under...
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Title
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NONPROPAGATING EXCITATIONS IN 2-D
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Author
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Abney, Ray
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Date Created
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2020
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Subjects--Topical
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Physics
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Description
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Nonpropagating excitations have been studied in 1-D and in 3-D, but not so much in 2-D. So, this thesis concerns 2-D nonpropagating excitations. In particular, we construct nonpropagating excitations confined to an annulus under a time-independent...
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Title
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Physics Informed Machine Learning Models for PDEs with Applications to Laser Bioeffects
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Author
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Seman, Matthew
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Date Created
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2023
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Subjects--Topical
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Artificial intelligence, Physics
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Description
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Recently, advances in the efficiency of gradient calculation algorithms have sparked anexpansion of neural network applications, particularly in the field of approximating partial differential equation (PDE) solutions. Among the most novel and eff...