Engineering Dissertations and Theses: Recent submissions
Now showing items 1021-1040 of 1055
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Multiple Objective Fitness Functions for Cognitive Radio Adaptation
(University of Kansas, 2008-04-30)This thesis explores genetic algorithm and rule-based optimization techniques used by cognitive radios to make operating parameter decisions. Cognitive radios take advantage of intelligent control methods by using sensed ... -
J-integral Computations for Linear Elastic Fracture Mechanics in h,p,k Mathematical and Computational Framework
(University of Kansas, 2008-05-21)This thesis presents an infrastructure for computations of the J-integral for mode I linear elastic fracture mechanics in h,p,k mathematical and computational framework using finite element formulations based on the Galerkin ... -
k - Version of Finite Element Method for Polymer flows using Giesekus Constitutive Model
(University of Kansas, 2008-01-31)One of the fundamental differences in the polymer flows compared to Newtonian or generalized Newtonian flow is the presence of elasticity due to polymer in addition to the viscosities of the solvent and the polymer. While ... -
A Unified End-to-End Communication Paradigm for Heterogeneous Networks
(University of Kansas, 2008-04-21)The aim of this thesis research is to develop a unified communication paradigm that provides an end-to-end bursting model across heterogeneous realms. This model generates end-to-end bursts, thereby eliminating edge node ... -
Local Estimation of Modeling Error in Multi-Scale Modeling of Heterogeneous Elastic Solids
(University of Kansas, 2008-03-19)This thesis presents the results of an investigation toward the development of a new methodology of local estimation of modeling error in the analysis of linear elastostatic problems of heterogeneous solids. Due to the ... -
Dual-Band Multi-Channel Airborne Radar for Mapping the Internal and Basal Layers of Polar Ice Sheets
(University of Kansas, 2008-03-06)Rapid thinning of the Jakobshavn and a few other outlet glaciers in Greenland and the Antarctic has been observed in the past few years. The key to understanding these dramatic changes is basal conditions. None of the ... -
Wing and Fuselage Optimization Considering Alternative Material
(University of Kansas, 2008-05-06)This study is a sensitivity analysis to compare weight benefits for a transport aircraft airframe from potential mechanical property enhancements of CFRP (Carbon Fiber Reinforced Plastic) Laminate and Aluminum Alloy. The ... -
The Effect of Whole Body Horizontal Vibration in Position Sense and Dynamic Stability of the Spine
(University of Kansas, 2008-06-09)In many workplaces, workers are exposed to whole body vibration which involves multi-axis motion in fore-aft (x axis), lateral (y axis) and vertical (z axis) directions. In previous studies, our laboratory has found changes ... -
Higher order global differentiability local approximations for 2-D and 3-D distorted element geometries
(University of Kansas, 2008-02-01)The primary focus of this thesis is to present a framework to develop higher order global differentiability local approximations for 2-D and 3-D distorted element geometries. The necessity and superiority of higher order ... -
Development and Flight Testing of a Wireless Avionics Network Based on the IEEE 802.11 Protocols
(University of Kansas, 2008-03-18)This report describes the development and flight testing of the IEEE 802.11 protocol-based Wireless Flight Management System (WFMS) using low cost Commercial-Off-The-Shelf (COTS) equipment and software. The unlicensed ... -
Functional and Structural Characterization of Nanoparticulate Transition Metal Complexes Prepared Using Precipitation with Compressed Carbon Dioxide as an Antisolvent
(University of Kansas, 2008-04-29)Nanostructures with novel size-dependent functional properties are rapidly emerging. In this dissertation, molecule-based nanoparticles of Cobalt-salen complexes were prepared from an organic solution of the compound using ... -
Test and Evaluation of the Piccolo Autopilot System on a One-Third Scale Yak-54
(University of Kansas, 2008-04-30)To gain a better understanding of the dynamics of the great ice sheets the National Science Foundation established the Center for Remote Sensing of Ice Sheets (CReSIS) to develop technologies that would improve data gathering ... -
Symbol Timing Recovery for SOQPSK
(University of Kansas, 2008-02-04)Shaped offset quadrature phase shift keying (SOQPSK) is a highly bandwidth efficient modulation technique used widely in military and aeronautical telemetry standards. This work focuses on symbol timing recovery for SOQPSK. ... -
Modification of Driver Behavior Based on Information from Pedestrian Countdown Timers
(University of Kansas, 2008-04-30)Pedestrian countdown timers (CDTs) are promoted as a means of improving pedestrian safety at intersections. However, there are concerns that drivers view the CDTs when approaching the intersection and use that information ... -
Bond Strength of ASTM A 1035 Grade 100 Reinforcing Steel
(University of Kansas, 2008-04-24)The bond strength of ASTM A 1035 Grade 100 reinforcing steel is evaluated relative to the values predicted using the development expressions in ACI 318-05 and ACI 408R-03. Sixty-nine beam-splice specimens were tested at ... -
Lagrangian and Eulerian Descriptions in Solid Mechanics and Their Numerical Solutions in hpk Framework
(University of Kansas, 2008-01-31)In this thesis mathematical models for a deforming solid medium are derived using conservation laws in Lagrangian as well as Eulerian descriptions. First, most general forms of the mathematical models permitting compressibility ... -
Pure Insulin Nanoparticle Agglomerates for Pulmonary Delivery
(University of Kansas, 2008-04-29)Diabetes is a disease characterized by defects in insulin utilization, either through autoimmune destruction of insulin-producing cells (Type I) or insulin resistance (Type II). Treatment includes regular insulin injections, ... -
Computations of Viscous Compressible Flows in h, p, k Finite Element Framework with Variationally Consistent Integral Forms
(University of Kansas, 2008-01-31)This thesis presents mathematical models for time dependent and stationary viscous compressible flows based on conservation laws, constitutive equations and equations of state using Eulerian description. In the presence ... -
Neuromotor Transmissibility of Horizontal Seatpan Vibration
(University of Kansas, 2007-12-16)Exposure to occupational whole body vibration (WBV) is associated with low back pain disorders, musculoskeletal disorders, and degeneration of spine. Transmission of vibration to the neuromotor system may play a role in ... -
The Design of an Uninhabited Air Vehicle for Remote Sensing in the Cryosphere
(University of Kansas, 2007-12-18)This document summarizes the results of the preliminary design of an Uninhabited Air Vehicle (UAV) for use in Cryospheric research. This includes the development of a mission specification with all related performance ...