Search results | J. Murrey Atkins Library

Title: A NUMERICAL STUDY OF INTERFACIAL INSTABILITIES IN SHOCKED MATERIALS WITH SURFACE TENSION
Author: Bigdelou, Pedram
Date Created: 2020
Subjects--Topical: Fluid mechanics, Physics
Description: Shock-driven multi-material flows occur in several applications including shock wave lithotripsy, underwater explosions, droplet combustion, propeller cavitation and ejection of material from surfaces subject to blast loading. Such flows are highl...

Title: A path dependent quantum approximate optimization algorithm optimized by pairwise correlation of angles
Author: Daniel, Christopher
Date Created: 2021
Subjects--Topical: Physics
Description: Given the current promise of quantum computing to increase the efficiency of optimization algorithms, it is important to utilize these quantum algorithms for useful applications. The quantum approximate optimization algorithm was recently develope...

Title: ACCURATE AND EFFICIENT CALCULATION OF SINGULAR ELECTROSTATIC POTENTIALS IN CHARGE-DIELECTRIC SPHERICAL AND JANUS PARTICLE SYSTEMS
Author: Retz, Caylah
Date Created: 2018
Subjects--Topical: Molecular biology, Mathematics, Physics
Description: We introduce an efficient and accurate boundary element method for computing the electrostatic potential in closely-packed dielectric spheres and Janus particles. Close physical proximity occurs in modeling molecular ion interactions or colloidal ...

Title: An Evaluation of Teaching Methods in the Introductory Physics Classroom
Author: Savage, Lauren
Date Created: 2015
Subjects--Topical: Education, Physics, Educational evaluation
Description: 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...

Title: Analysis of a Low Enriched Uranium Centrifugal Gas Core Reactor
Author: Leer, Darrin
Date Created: 2020
Subjects--Topical: Fluid mechanics, Physics, Radiation, Nuclear physics
Description: 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...

Title: Blinking Correlation in Nanocrystal Quantum Dots Probed with Novel Laser Scanning Confocal Microscopy Methods
Author: Hefti, Ryan
Date Created: 2013
Subjects--Topical: Nanoscience, Physics
Description: Semiconductor quantum dots have a vast array of applications: as fluorescent labels in biological systems, as physical or chemical sensors, as components in photovoltaic technology, and in display devices. An attribute of nearly every quantum dot ...

Title: Bohmian Trajectories of Interacting Particles Trapped in a Two-dimensional Harmonic Well
Author: Keithly, Gregory
Date Created: 2021
Subjects--Topical: Physics
Description: Bohmian mechanics is an alternate formalism of quantum mechanics that posits a particle is always existent, and furthermore there is a separate entity describing a wave-like disturbance in space and time, governed by the Schrodinger equation, that...

Title: Characterization of Individual Straight and Kinked Boron Carbide Nanowires
Author: Cui, Zhiguang
Date Created: 2016
Subjects--Topical: Materials science, Nanoscience, Physics
Description: Boron carbides represent a class of ceramic materials with p-type semiconductor natures, complex structures and a wide homogeneous range of carbon compositions. Bulk boron carbides have long been projected as promising high temperature thermoelect...

Title: Computational investigations on the aerodynamics of a generic car model in proximity to a side wall
Author: Mallapragada, Srivatsa
Date Created: 2017
Subjects--Topical: Mechanical engineering, Fluid mechanics, Physics
Description: A moving road vehicle is subjected to many fluid interferences caused by a number of external agents apart from the vehicle itself. Vehicles moving in proximity to a side wall is an interesting aspect that has been little investigated in the liter...

Title: Discrete Element Simulations of Powder Spreading in Additive Manufacturing
Author: Amrapurkar, Parth
Date Created: 2020
Subjects--Topical: Mechanical engineering, Engineering, Physics
Description: 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,...

Title: ELUCIDATING FUNCTIONAL MECHANISMS IN PROTEINS USING THE DISTANCE CONSTRAINT MODEL
Author: Singer, Christopher
Date Created: 2019
Subjects--Topical: Bioinformatics, Biophysics, Physics
Description: Protein thermodynamics has been shown to be insightful and illuminating to the functional mechanisms behind biological function. By characterizing proteins and protein families according to their enthalpy and entropy we can make inferences to the ...

Title: ENHANCED THERMALLY MANAGED PACKAGING OF III-NITRIDE LIGHT EMITTERS
Author: Kudsieh, Nicolas
Date Created: 2014
Subjects--Topical: Physics
Description: In this Dissertation our work on `enhanced thermally managed packaging of high power semiconductor light sources for solid state lighting (SSL)' is presented. The motivation of this research and development is to design thermally high stable cost-...

Title: ESSENTIAL DYNAMICS OF PROTEINS USING GEOMETRICAL SIMULATIONS AND SUBSPACE ANALYSIS
Author: David, Charles
Date Created: 2012
Subjects--Topical: Physics, Bioinformatics, Biophysics
Description: Essential dynamics is the application of principal component analysis to a dynamic trajectory derived from a simulation protocol in order to extract biologically relevant information contained in the high dimensional data. In this work, we apply t...

Title: Elucidating Dynamic Mechanisms for Extended Spectrum Antibiotic Resistance in Class A Beta-Lactamase through Machine Learning on Molecular Dynamics Simulations
Author: Avery, Christopher
Date Created: 2019
Subjects--Topical: Biophysics, Physics
Description: Beta-lactamase is a protein which is produced in bacteria and is a primary cause of antibiotic resistance to Beta Lactam antibiotics. Beta Lactams are among the most common types of antibiotics (including penicillin) and thus understanding the res...

Title: Evaluation of curved surfaces with x-ray reflectometry
Author: Cole, Jacob
Date Created: 2022
Subjects--Topical: Mechanical engineering, Physics
Description: This dissertation presents a body of work developing novel models and methods for surface evaluation with X-ray reflectometry (XRR). At the time of this work, XRR is a highly used tool for the measurement of flat wafers and laminated semiconductor...

Title: Exploring The Self Assembly of Cadmium Selenide Nanoparticles In Langmuir Films
Author: Giles, Alexander
Date Created: 2013
Subjects--Topical: Materials science, Nanoscience, Physics
Description: The assembly of semiconductor nanocrystals into close packed films suitable for device engineering is critical to the development of next generation electronic and optoelectronic devices. These nanocrystals have nanometer dimensions and can be pre...

Title: Extending Topological Constraint Theory to Glass Networks with Hydrogen Bonding
Author: Bloom, Austin
Date Created: 2023
Subjects--Topical: Physics, Condensed matter
Description: 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...

Title: FULL-SCALE TESTING AND NUMERICAL MODELING OF A MULTISTORY MASONRY STRUCTURE SUBJECTED TO INTERNAL BLAST LOADING
Author: Zapata, Brian
Date Created: 2012
Subjects--Topical: Mechanical engineering, Physics, Civil engineering
Description: As military and diplomatic representatives of the United States are deployed throughout the world, they must frequently make use of local, existing facilities; it is inevitable that some of these will be load bearing unreinforced masonry (URM) str...

Title: Functional Dynamics in Beta-Lactamase: Insights into Substrate Recognition and Inhibition
Author: Avery, Christopher
Date Created: 2023
Subjects--Topical: Bioinformatics, Biophysics, Physics
Description: Beta-lactamase proteins are among the most prominent causes of antibiotic resistance. These enzymes confer resistance to beta lactam antibiotics, which are commonly used to treat bacterial infections. In recent years, novel beta-lactamase have eme...

Title: High throughput non-parametric probability density estimation via novel multithreaded stitching method
Author: Merino, Zach
Date Created: 2019
Subjects--Topical: Mathematics, Statistics, Physics
Description: A method of univariant probability density function (pdf) estimation is developed for big data applications. The method employs the use of a non-parametric maximum entropy estimator (NMEM) for a data driven multithreaded probability density estima...