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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 ...
4D printing of stimulus-responsive polymeric materials
(University of Missouri--Columbia, 2017)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Rising beyond 3D printing techniques, 4D printing can fabricate complex structures with inks made of stimulus-responsive polymeric materials. Thus, after printed...
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 ...
Analysis and modeling of direct selective laser sintering of two-component metal powders
(University of Missouri--Columbia, 2005)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Direct Selective Laser Sintering (SLS) is an emerging technology of Solid Freeform Fabrication (SFF) that 3-D parts are built from the metal-based ...
A development of the motile sperm sorting microfluidic devices
(University of Missouri--Columbia, 2007)
The objectives of this research are developing and improving an inexpensive and convenient microfluidic device to apply to sperm cell sorting. Based on well known soft-lithography fabrication method which contains rapid ...
Helical tool geometry in stability predictions and dynamic modeling of milling
(University of Missouri--Columbia, 2007)
in an effort to validate TFEA results for machining Ti6Al4V using a helical tool....
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 ...
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 ...
System modeling and control design of a two-stage metering poppet-valve system
(University of Missouri--Columbia, 2006)
control methods that comprise modified PI control, LQG control, H [mobius] control, and nonlinear feedback control are used to make a closed-loop poppet system. The nonlinear controller is only applied to the nonlinear system and certified by Lyapunov...
Investigation of fanless PCs : design and optimization
(University of Missouri--Columbia, 2009)
The purpose of this research is to fundamentally explore the limitations of natural convection as it pertains to the cooling of desktop personal computers (PCs) and, in particular, maximize total thermal loads while ...
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 ...
X-ray topography techniques for the analysis of laser irradiated silicon
(University of Missouri--Columbia, 2005)
There is currently much interest in femtosecond scale laser interactions with materials. Comparison of the damage produced by the femtosecond laser pulses to the longer laser pulses is also of interest. This study examined ...
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, ...
Torque ripple attenuation for an axial piston swash plate type hydrostatic pump: noise considerations
(University of Missouri--Columbia, 2006)
The main goal of this work is to reduce the disturbing noise generated by axial piston swash plate type hydrostatic pumps by attenuating the shaft torque variation. The analysis begins by deriving the equation of the shaft ...
Experimental and analytical study on two-phase impingement cooling with and without electric field
(University of Missouri--Columbia, 2007)
Among the thermal management solutions for power electronics, two-phase jet or spray impingement cooling are two promising candidates. In this study, electrohydrodynamic atomization (EHDA) method is used to generate spray ...
Thermal mechanical analysis of applications with internal heat generation
(University of Missouri--Columbia, 2014)
Modeling of selective laser sintering of single-component metal powders
(University of Missouri--Columbia, 2006)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Selective Laser Sintering (SLS) is a rapid prototyping technology which enables freeform fabrication of complex-geometry components directly from ...
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 ...
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 ...
Modeling, verification, optimal design of nonlinear valve spring
(University of Missouri--Columbia, 2009)
The objective of this study is the optimal design of helical spring based on dynamic criteria. The most important dynamic performance criterion of a helical spring is the resonance behavior, including dynamic stress, coil ...