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Author:

Decerio, Dalton

Title:

Benefits of Parallel Hybrid Electric Propulsion for Aircraft and Rotorcraft

Graduate Program:

Aerospace Engineering (MS)

Keywords:

hybrid
electric
aircraft
rotorcraft
conceptual design
optimization
propulsion

File:

Download Decerio_Thesis_Final.pdf

Committee Members:

Amy Pritchett, Program Head/Chair
David K Hall, Thesis Advisor/Co-Advisor
Karen Ann Thole, Committee Member
Edward Smith, Committee Member

Author:

Topper, Evan

Title:

Calibration and Validation of a Rotorcraft Design and Analysis Tool for Electric Powered Multirotor Configurations

Graduate Program:

Aerospace Engineering (MS)

Keywords:

Multirotor
NDARC
Simulation
Validation
eVTOL
Rotorcraft

File:

Download FINAL_AERSP_MS_Thesis_Evan_Topper.pdf

Committee Members:

Amy Pritchett, Program Head/Chair
Joseph Francis Horn, Thesis Advisor/Co-Advisor
Jacob Willem Langelaan, Committee Member
Edward Smith, Committee Member

Author:

Lin, Charis I

Title:

Sintering and Solid-State Joining of Nickel-based Superalloys using Field-Assisted Sintering Technology

Graduate Program:

Aerospace Engineering (PHD)

Keywords:

nickel
field-assisted sintering
spark plasma sintering
solid state joining
microstructure
mechanical properties
diffusion bonding
superalloy
powder metallurgy

File:

Download Lin-Dissertation-final.pdf

Committee Members:

Namiko Yamamoto, Chair & Dissertation Advisor
Anil Kulkarni, Outside Unit & Field Member
Edward Smith, Major Field Member
Amy Pritchett, Program Head/Chair
Jacob Langelaan, Major Field Member
Jogender Singh, Special Member

Author:

Cornelius, Jason

Title:

Mid-Fidelity Performance Analysis for Fixed-Pitch Speed-Controlled Multirotor Aircraft

Graduate Program:

Aerospace Engineering (PHD)

Keywords:

Helicopter
Multirotor
CFD
Rotorcraft
High Performance Computing
GPU
Coaxial
Coaxial Rotor
Machine Learning
Surrogate Models
Dragonfly
Drone
UAS
Urban Air Mobility
Unmanned Aerial Systems
BEMT
Aerodynamics
Aircraft
C81 Tables
OVERFLOW
ARC2D
Airfoil Performance
NASA
Langley TDT
Langley 14-by 22-ft. Subsonic Tunnel Facility
Langley Transonic Dynamics Tunnel
Hybrid BEMT-URANS CFD
Linux Bash Scripting
GPU CFD Acceleration
Gaussian Process Regression
Neural Networks
Conceptual Design
Preliminary Design

File:

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Committee Members:

Amy Pritchett, Program Head/Chair
Daniel Haworth, Outside Unit & Field Member
Sven Schmitz, Chair & Dissertation Advisor
Jacob Langelaan, Major Field Member
Jose Palacios, Major Field Member
Edward Smith, Major Field Member
Larry Young, Special Signatory

Author:

Jue, Andrew

Title:

Simulation of Advanced Rotorcraft Concepts using Free Wake Aerodynamic Models

Graduate Program:

Aerospace Engineering (MS)

Keywords:

DEPSim
eVTOL
Lift+Cruise
Rotorcraft
Flight dynamics
Dynamic simulation

File:

Download Thesis_AndrewJue_Final.pdf

Committee Members:

Amy Pritchett, Program Head/Chair
Joseph Francis Horn, Thesis Advisor/Co-Advisor
Jacob Willem Langelaan, Committee Member
Edward Smith, Committee Member

Author:

Schneeberger, Grant M

Title:

Ice Adhesion Strength Mitigation via Low Surface Roughness Erosion Resistant Coatings

Graduate Program:

Aerospace Engineering (PHD)

Keywords:

ice adhesion
ice protective coatings
ice protection
aircraft icing
anti-ice coating
rotorcraft icing
helicopter icing
erosion resistant coatings
icing

File:

Download GrantSchneeberger-Dissertation.pdf

Committee Members:

Puneet Singla, Major Field Member
Edward Smith, Major Field Member
Amy Pritchett, Program Head/Chair
Jose Palacios, Chair & Dissertation Advisor
Stephen Lynch, Outside Unit & Field Member
Douglas Wolfe, Dissertation Co-Advisor

Author:

Doshi, Mitansh Sharad

Title:

Studying, Tailoring, and Harnessing Structural Instability for Advanced Thin-Walled and Architected Structures

Graduate Program:

Aerospace Engineering (PHD)

Keywords:

buckling
instability
aerospace
mechanical
thin-walled
composites
machine-learning
FEA
CAD
flexible structures
spherical shells
cylindrical shells
metamaterials
architected structures
soft structures

File:

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Committee Members:

Namiko Yamamoto, Major Field Member
Charles Bakis, Outside Unit & Field Member
Xin Ning, Chair & Dissertation Advisor
Edward Smith, Major Field Member
Amy Pritchett, Program Head/Chair

Author:

Lewis, Jeffrey Arthur

Title:

Robust Adaptive Control for Control Reversal

Graduate Program:

Aerospace Engineering (PHD)

Keywords:

adaptive control
control reversal
dynamic inversion
large attitude upset
robust adaptive control
inverse gain switching control
IGSC
rotation vector
swashplate actuator
PSU-GUST
fault tolerant control
large attitude errors
fault tolerant autonomy
adaptive control architectures
pseudocontrol hedge
fast adaptation
model reference adaptive control
attitude parameterization

File:

Download JA_Lewis-Dissertation_final.pdf

Committee Members:

Constantino Lagoa, Outside Unit & Field Member
Eric Feron, Special Member
Eric Johnson, Chair & Dissertation Advisor
Edward Smith, Major Field Member
Amy Pritchett, Program Head/Chair
Joseph Francis Horn, Dissertation Co-Advisor
Joseph Horn, Major Field Member

Author:

Purzak, Jake

Title:

Structural Design of a Rigid Coaxial Rotor System for Wind Tunnel Testing

Graduate Program:

Aerospace Engineering (MS)

Keywords:

rotorcraft
coaxial
structural design
structural analysis
dragonfly
rotor design
rigid rotor
coaxial test system
wind tunnel test system

File:

Download PurzakJake_MSThesis.pdf

Committee Members:

Amy Pritchett, Program Head/Chair
Jose Palacios, Thesis Advisor/Co-Advisor
Jacob Willem Langelaan, Committee Member
Edward Smith, Committee Member

Author:

Yu, Tianliang

Title:

Parametric and Topology Optimization for Multidisciplinary Design Using a Decomposition Method to Address Nonlinear Boundary Conditions

Graduate Program:

Aerospace Engineering (PHD)

Keywords:

Multidisciplinary Design Optimization
Topology Optimization
Decomposition Method
Nonlinear Boundary Conditions
Spacecraft Passive Thermal Control
Synthetic Jet Actuator

File:

Download PhD_Dissertation_Tianliang_Yu_Final.pdf

Committee Members:

Mary Frecker, Outside Unit & Field Member
Edward Smith, Major Field Member
Stephen Conlon, Major Field Member
Amy Pritchett, Program Head/Chair
George A Lesieutre, Dissertation Advisor
George Lesieutre, Chair, Minor Member & Dissertation Advisor