• Propeller whirl flutter analysis of the nasa all-electric X-57 through multibody dynamics simulations 

  Hoover, Christian (University of Alabama Libraries, 2018)

  With ridesharing companies researching into intracity air vehicles, aircraft efficiency has a significant impact on cost and resources. To increase efficiency, thinner and higher aspect ratio wings are used to reduce drag ...
• Modeling of nano-scale fracture mechanisms in a graphene sheet using the atomistic j-integral 

  Roy, Anubhav (University of Alabama Libraries, 2018)

  Researchers have performed studies with the addition and dispersion of a few weight percent of nanoscale particles in polymer matrices to mitigate the brittleness and microcracking of polymer matrices without incurring ...
• Development of an annular micro-Hall-effect thruster and Halbach permanent magnet arrays in Hall-effect thrusters 

  Warren, Matthew (University of Alabama Libraries, 2018)

  The research following began the initial steps in developing a micro-Hall-effect thruster for the use on a University of Alabama designed and built CubeSat. Additionally, the implementation of an asymmetric magnetic field ...
• Optimization and uncertainty quantification of multi-dimensional functionally graded plates 

  Hussein, Omar Shokry Ahmed (University of Alabama Libraries, 2018)

  Functionally graded structures (FGS) are structures that have varying properties in one or more directions that yield better performance over homogenous structures. The grading is usually considered through the thickness ...
• Optimum wing shaping and gust load alleviation of highly flexible aircraft with finite actuations 

  Hammerton, Jared (University of Alabama Libraries, 2018)

  The idea of improved flight performance is a constant goal within the aircraft design industry. In order to have aircraft which can fly further and for longer durations improved aerodynamic efficiency is required. Traditionally ...
• Carbon nanotube sheet scrolled fiber composite for enhanced interfacial mechanical properties 

  Kokkada Ravindranath, Pruthul (University of Alabama Libraries, 2017)

  The high tensile strength of Polymer Matrix Composites (PMC) is derived from the high tensile strength of the embedded carbon fibers. However, their compressive strength is significantly lower than their tensile strength, ...
• An experimental study of coherent structures in shock boundary layer interaction at Mach 3 

  Chaganti Subrahmanya Datta, Narendra (University of Alabama Libraries, 2017)

  The flow structure and unsteadiness of Shockwave-Boundary Layer Interaction (SWBLI) has been studied using Rainbow Schlieren Deflectometry (RSD), Ensemble Averaging, Fast Fourier Transform (FFT), snapshot Proper Orthogonal ...
• Biofidelic soft composites– experimental and computational modeling 

  Chanda, Arnab (University of Alabama Libraries, 2017)

  Biofidelic soft composites or tissues form the building blocks of the human body. Understanding the complex mechanics of these soft composites is the key to understanding the genesis and progression of disease. Biomechanically, ...
• Design and analysis of a carbon composite flap for the Cirrus SF50 jet aircraft 

  Haefner, Andrew (University of Alabama Libraries, 2017)

  A new carbon fiber composite flap was designed and analyzed for the Cirrus SF50. This new flap will replace the existing aluminum flap and has the potential to save 5.30 lbs per aircraft. The new flap has the same OML ...
• A study on axisymmetric cavities in supersonic flow 

  Brooker, Brian Tyler (University of Alabama Libraries, 2017)

  The research presented in this dissertation focuses on understanding and passively controlling the unsteadiness of the flow that occurs in cavity flows. Flow passing over a cavity generates turbulent structures that result ...
• Application of shark skin flow control techniques to airflow 

  Morris, Jackson Alexander (University of Alabama Libraries, 2017)

  Due to millions of years of evolution, sharks have evolved to become quick and efficient ocean apex predators. Shark skin is made up of millions of microscopic scales, or denticles, that are approximately 0.2 mm in size. ...
• Adaptive highly flexible multifunctional wings for active and passive control and energy harvesting with piezoelectric materials 

  Tsushima, Natsuki (University of Alabama Libraries, 2017)

  The purpose of this dissertation is to develop an analytical framework to analyze highly flexible multifunctional wings with integral active and passive control and energy harvesting using piezoelectric transduction. Such ...
• A model of thermal aging of hyper-elastic materials with an application to natural rubber 

  Korba, Ahmed G. (University of Alabama Libraries, 2017)

  Understanding the degradation of material properties and stress-strain behavior of rubber-like materials that has been exposed to elevated temperature is essential for rubber among components design and lifetime prediction. ...
• Sociocultural HIV risk knowledge and behavior among female African-American adolescents and emerging adults in the southeast 

  Thomas, Martina (University of Alabama Libraries, 2016)

  The aim of this study is to determine sociocultural influences of HIV risk knowledge and behavior among African-American adolescent and emerging adult women in Tuscaloosa, Alabama. Bridging multiple worlds, cultural ...
• Effect of increased intracranial pressure on blood flow through cerebral arteries and aneurysms -a fluid-structure interaction study 

  Syed, Hasson Basha Quadri (University of Alabama Libraries, 2016)

  The pathological changes due to many cerebral diseases lead to increase in intracranial pressure (ICP), which is a life threatening condition especially in severe head injuries such as traumatic brain injury, hydrocephalus, ...
• Multiscale modeling of damage evolution in nanographene reinforced epoxy polymer using the Internal State Variable approach 

  Srivastav, Ankit (University of Alabama Libraries, 2015)

  The work done in this thesis aims to improve understanding of advanced multifunctional nanocomposite materials by developing physics-based multi-scale model of nanoparticle reinforced polymer matrix composites in order to ...
• The effect of butterfly-scale inspired patterning on leading-edge vortex growth 

  Wilroy, Jacob Aaron (University of Alabama Libraries, 2016)

  Leading edge vortices (LEVs) are important for generating thrust and lift in flapping flight, and the surface patterning (scales) on butterfly wings is hypothesized to play a role in the vortex formation of the LEV. To ...
• Control surface hinge moment prediction using computational fluid dynamics 

  Simpson, Christopher David (University of Alabama Libraries, 2016)

  The following research determines the feasibility of predicting control surface hinge mo- ments using various computational methods. A detailed analysis is conducted using a 2D GA(W)-1 airfoil with a 20% plain flap. Simple ...
• Concurrently coupled multiscale modeling of polymer nanocomposites 

  Li, Shibo (University of Alabama Libraries, 2016)

  Embedded statistical coupling method (ESCM) was originally developed to provide computational efficiency, to decrease coupling complexities, and to avoid the need to discretize the continuum model to atomic scale resolution ...
• Multiscale characterization and modeling of progressive failure in nano-graphene reinforced carbon/epoxy composites 

  Kumar, Abhishek (University of Alabama Libraries, 2016)

  This dissertation studies the dispersion of nano graphene platelets in thermoset epoxy polymers for improving the mechanical and hygrothermal properties of nano composites and carbon fiber laminates. Barrier properties of ...

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