Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 450-469 of 916
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FINITE ELEMENT BASED METHODOLOGY TO PREDICT FATIGUE COMPRESSION FAILURE IN COMPOSITE BASED ON FIBER KINKING DAMAGE MODEL
(2020-09-04)Advanced polymer matrix composites are widely used in designing high-performance and lightweight spacecraft, rotorcraft, and automotive structures, due to its superior performance such as specific stiffness, specific ... -
Finite Element Based Methodology For Prediction Of Matrix-dominated Failure In Composites
(Aerospace Engineering, 2014-07-14)The objective of this work is to develop a computational failure prognosis methodology applicable to virtual testing of composites. The major motivation for the establishment of virtual testing is the ability to reduce ... -
Finite Element Based Stability Constrained Weight Minimization Of Sandwich Composite Ducts For Airship Applications
(Aerospace Engineering, 2011-10-11)High Altitude Long Endurance (HALE) airships are platform of interest due to their persistent observation and persistent communication capabilities. A novel HALE airship design configuration incorporates a composite sandwich ... -
FINITE ELEMENT BASED WEIGHT REDUCTION SUBJECT TO STABILITY CONSTRAINTS FOR AN AIRSHIP COMPOSITE DUCT
(2016-05-10)The primary functions of High Altitude Long Endurance (HALE) airships are persistent observation and wide area direct line of sight communication. Traditional airships have an ellipsoidal type hull, which is characterized ... -
FINITE ELEMENT MODELING AND STRESS DISTRIBUTION OF UNIDIRECTIONAL COMPOSITE MATERIALS UNDER TRANSVERSAL LOADING
(2017-01-17)Micromechanics of Composites analyze stresses inside any heterogeneous material. These stresses can not only be used for calculation of effective stiffness or compliance, but also for predicting strength and failure modes ... -
Finite Element Modeling Of Carbon Nanotube Reinforced Polymer Composites And Evaluating Its Thermal Conductivities
(Mechanical Engineering, 2007-08-23)High thermal conductivity of carbon nanotubes has motivated us to study and understand the thermal mechanisms in nanocomposites. Though several theoretical models predict a high thermal conductivity for CNT reinforced ... -
FITTING B-SPLINES CURVES TO COARSE DATA CLOUD USING MODIFIED SQUARED DISTANCE MINIMIZATION METHOD
(2016-08-22)Additive manufacturing has made us realize that we can fabricate complex shapes that were difficult to manufacture with subtractive processes. Topology optimizations results have complex shapes and have rough surfaces which ... -
Fixed Wing Aircraft Collision Avoidance Using Collision Cone Theory
(2022-08-12)This thesis develops the guidance and control components of an aircraft collision avoidance system, using a collision cone-based approach. These guidance and control laws are developed by considering the nonlinear relative ... -
Flexible Microfluidic Circuit With Embedded In-plane Valve
(Mechanical Engineering, 2007-09-17)Recent developments in Microfluidic systems have demonstrated many potential applications related to biology, chemistry and medical sciences. Fluidic manipulation with precise volume control is a basic function in these ... -
FLEXIBLE-CONTINUUM ROBOT FOR BLADDER TISSUE DIAGNOSTICS
(2017-09-14)The aim of this thesis is to investigate and develop a robotic system capable of a transurethral palpation of any targeted area on the bladder interior wall tissue to determine the biomechanical properties of the tissue ... -
Flight Data Analysis And Simulation Of Wind Effects During Aerial Refueling
(Aerospace Engineering, 2008-08-08)This thesis presents an analysis of data obtained in an automated aerial refueling test flight conducted with a KC-135 as the tanker and a Learjet 25 as the surrogate receiver UAV. The purpose is to identify the wind induced ... -
Flight Path Tracking Control and Simulation
(2018-11)**Please note that the full text is embargoed** ABSTRACT: This paper focuses on the six-degree of freedom nonlinear flight simulation. A method of formulating commands for flight path control and simulation in a three-dimensional ... -
Flip Chip Back End Design Parameters To Reduce Bump Electromigration
(Mechanical Engineering, 2008-09-17)The advancement in flip chip technology has enabled us to meet the requirement of smaller die size along with the increased functionality. Due to this development in flip chip packaging technology along with higher current ... -
Fluid-crack Interaction In Hydraulic Fracturing
Hydraulic fracturing has been one of the major improvements in petroleum engineering in the past few decades. Since then this process has been used progressively and over million wells have been fracked using hydraulic ... -
FOIL THRUST BEARING WITH POCKET GROOVES AND TAILORED BUMP STIFFNESS DISTRIBUTION FOR IMPROVED STATIC PERFORMANCE
(2018-12-19)Gas foil thrust bearing is one of few axial bearing options for high speed turbomachinery systems. Its advantages include low cost, light weight, generous allowance for component mis-alignment and runout. However, the ... -
Formalization Of The Engineering Science Discipline - Knowledge Engineering
Knowledge is the most precious ingredient facilitating aerospace engineering research and product development activities. Currently, the most common knowledge retention methods are paper-based documents, such as reports, ... -
FORMATION FLIGHT FOR FUEL SAVING IN CORONET MISSIONS OF KC-135R AND F-15C/E
(2016-12-21)The fuel saving benefit of formation flight has been demonstrated through theoretical and computational analyses, simulation, wind tunnel and flight tests. When an aircraft flies in a specific region in the wake of another ... -
Freezing-induced Microstructural Changes Of Collagen Scaffolds
(Mechanical Engineering, 2007-08-23)Understanding the effects of freezing on the functional properties of tissues is critical to cryopreservation of native and artificial tissues, and prognosis after cryotherapies. Although investigations have been performed ... -
Frequency Response Approximation Methods Of The Dissipative Model Of Fluid Transmission Lines
(Mechanical Engineering, 2007-08-23)This thesis introduces an accurate and efficient method of obtaining a linear approximation for a nonlinear model of a complete fluid transmission line system using Matlab® Signal Processing Toolbox and Symbolic Math Toolbox ... -
FREQUENCY TUNING OF VIBRATION ABSORBER USING TOPOLOGY OPTIMIZATION
(2017-05-08)A tuned mass absorber is a system for reducing the amplitude in one oscillator by coupling it to a second oscillator. If tuned correctly, the maximum amplitude of the first oscillator in response to a periodic driver will ...