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Investigation of static interfacial fracture in orthotropic-orthotropic composite bimaterials using photoelasticity
(University of Missouri--Columbia, 2009)
The effects of static Mode I (opening mode) and mixed-mode (both Mode I - opening mode and Mode II - shear mode present) loading on orthotropic-orthotropic bimaterial interface cracks and isotropic-orthotropic bimaterial ...
Automated trajectory generation and guidance for a new launch vehicle flight phases
(University of Missouri--Columbia, 2010)
Much effort has been put into developing technologies for next generation re-usable launch vehicles. Fully re-usable launch vehicles include a booster stage that is designed to land, usually near the launch site, after it ...
Helical tool geometry in stability predictions and dynamic modeling of milling
(University of Missouri--Columbia, 2007)
The temporal finite element analysis (TFEA) method has been used in several publications to analyze interrupted machining dynamics. In this work, a higher order hp-version TFEA method will be presented which offers the ...
State space formulation of TFEA & uncharted islands of instability in milling
(University of Missouri--Columbia, 2007)
A new approach is developed to examine the stability of delay differential equations that builds upon the previous work in temporal finite element analysis. In contrast to the results of previous work, which could only be ...
Effect of chip thickness, sub-critical bifurcations and process parameters in high-speed milling
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The main focus of the current research is to experimentally and numerically investigate of subcritical bifurcations in milling accounting for actual motion of the tool...
3D printing of energetic material
(University of Missouri--Columbia, 2019)
In the world of macro-scale energetics, the problems of cost effectiveness, scalability, and manufacturability are of prime importance. But with the advent of 3D printing, a solution for scalability is in reach. In this ...
Optimization of electromagnetic acoustic transducers for nondestructive evaluation of concrete structures
(University of Missouri--Columbia, 2008)
There are more than 130,000 prestressed concrete bridges in the United States with about 37,000 bridges being more than 30 years old. Prestressing steel strands are an important construction element used in these bridges ...
Analytical earth-aerocapture guidance
(University of Missouri--Columbia, 2020)
Aerocapture is a technique of employing a single atmospheric pass to inserts a spacecraft from a hyperbolic orbit, approaching from deep space, into an elliptical (captured) orbit around its destination planet. After ...
Thermal-mechanical analysis of targets for high volume production of molybdenum-99 using low-enriched uranium
(University of Missouri--Columbia, 2009)
in foreign countries and use highly enriched uranium (HEU). The University of Missouri Research Reactor (MURR) is exploring the feasibility of high volume molybdenum-99 production at its facility. Current molybdenum-99 production uses HEU in a powder...
High strain properties of advanced high strength spot welded steels
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This research was conducted to investigate and characterize the high strain rate compressive loading behavior of DP600 GI, an advanced high strength spot welded steels, using...
Theoretial [sic] analysis of oscillating motion, heat transfer, minimum meniscus radius and charging procedure in an oscillating heat pipe
(University of Missouri--Columbia, 2008)
With the rapid development of electronic technology, investigation and application of devices with high performance of heat removal have become competitive issues recently. Different from traditional heat transfer strategy, ...
Experimental investigation of hybrid fluid oscillatory motion and heat transfer in oscillating heat pipes
(University of Missouri--Columbia, 2022)
Mathematical models predicting the oscillatory motions as well as the heat transfer effects of hybrid fluids (HF) in an oscillating heat pipe (OHP) are simulated. The models consider the vapor bubble as the gas spring for ...
Analysis of oscillatory flow and heat transfer in an oscillating heat pipe
(University of Missouri--Columbia, 2010)
An advanced physical and theoretical model of a U-shaped minichannel - a building block of an Oscillating Heat Pipe (OHP) - has been developed step by step. a) The gravity and pressure loss at the bend are included in the ...
Carbon nanotube forests: synthesis, patterning, milling, mechanics, and applications
(University of Missouri--Columbia, 2018)
Carbon nanotube (CNT) forests are a nano-structured material consisting of vertically oriented carbon nanotubes. The material has many exceptional and unique physical properties that have motivated considerable research ...
Imaging-based customization of lattice structures for biomedical applications
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Synovial joints can provide movement and articulation, however, with overuse, aging, and trauma, joint replacement surgeries may be needed. Commercially available joint...
Dynamic study of the piezo-driven pipettes in intracytoplasmic sperm injection
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Intracytoplasmic Sperm Injection (ICSI) is regarded as a critical assisted reproductive technology (ART) procedure in which a single spermatozoon is mechanically injected...
Nonlinear mechanics and testing of highly flexible one-dimensional structures using a camera-based motion analysis system
(University of Missouri--Columbia, 2006)
Both experimental and theoretical investigations are conducted for the dynamics of cables and strings. The exact equations of motion for finite but small amplitude vibration of string were derived based on a fully nonlinear ...
Elastic property prediction of long fiber composites using a uniform mesh finite element method
(University of Missouri--Columbia, 2008)
This research numerically evaluates elastic non-isotropic material properties of fiber reinforced composite materials. Calculations are performed with a finite element mesh composed of a uniform array of three dimensional ...
Assessing mechanical properties of the cardiovascular system
(University of Missouri--Columbia, 2020)
The elasticity of wall of the arteries plays a significant role in cardiovascular system. Capacitance of the aorta is predicative of cardiovascular events[1]. To get better understanding the function of the cardiovascular ...
Numerical and experimental investigations on capillary-driven thin-film evaporation with applications in pumped two-phase loop and loop thermosyphon
(University of Missouri--Columbia, 2020)
Thin-film evaporation in solid-liquid-vapor interface has been the focal point of engineering research and industrial applications for decades. The objective of this dissertation is to systematically investigate the ...