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Author:

Howard, Anna Kathleen Tyler

Title:

The Aeromechanical Stability of Soft-Inplane Tiltrotors

Graduate Program:

Aerospace Engineering

Keywords:

full-span
whirl flutter
semi-span
civil tiltrotor
aeromechanical stability
rotorcraft
helicopter
pitch-lag coupling
ground resonance
pitch-flap coupling
air resonance
aeroelastic couplings
stability
tiltrotor

File:

Download thesis.pdf

Committee Members:

Farhan S Gandhi, Committee Member
Kon Well Wang, Committee Member
George A Lesieutre, Committee Member
Edward C Smith, Committee Chair/Co-Chair

Author:

Akturk, Ali

Title:

DUCTED FAN INLET/EXIT AND ROTOR TIP FLOW IMPROVEMENTS FOR VERTICAL LIFT SYSTEMS

Graduate Program:

Aerospace Engineering

Keywords:

Ducted fan
Inlet flow distortion
Tip leakage
Tip leakage mitigation
Double ducted fan
Pressure side platform
Fan rotor tip loss
Tip treatment

File:

Download Ali_Akturk-Dissertation.pdf

Committee Members:

Cengiz Camci, Dissertation Advisor/Co-Advisor
Cengiz Camci, Committee Chair/Co-Chair
Savas Yavuzkurt, Committee Member
Dennis K Mc Laughlin, Committee Member
Edward C Smith, Committee Member
Kenneth Steven Brentner, Committee Member
Michael H Krane, Committee Member

Author:

Atli Veltin, Bilim

Title:

EFFECT OF GEOMETRIC PARAMETERS ON THE IN-PLANE CRUSHING BEHAVIOR OF HONEYCOMBS AND HONEYCOMBS WITH FACESHEETS

Graduate Program:

Aerospace Engineering

Keywords:

honeycomb crushing
energy absorption
cellular honeycombs

File:

Download Thesis_Bilim.pdf

Committee Members:

Farhan S Gandhi, Dissertation Advisor/Co-Advisor
Farhan S Gandhi, Committee Chair/Co-Chair
Edward C Smith, Committee Member
Ashok D Belegundu, Committee Member
George A Lesieutre, Committee Member

Author:

Tiwari, Chandrashekhar

Title:

INNOVATIVE ENERGY ABSORBING AND LOAD LIMITING DEVICES BASED ON COMPOSITE TUBES

Graduate Program:

Aerospace Engineering

Keywords:

composite tubes
energy absorption
load limiting
extension-twist
stitch ripping
foam crushing

File:

Download Chandrashekhar_Tiwari_MS_Thesis_AUG09.pdf

Committee Members:

Prof Edward C Smith, Thesis Advisor/Co-Advisor
Edward C Smith, Thesis Advisor/Co-Advisor

Author:

Lee, Dooyong

Title:

Simulation and Control of a Helicopter Operating in a Ship Airwake

Graduate Program:

Aerospace Engineering

Keywords:

helicopter simulation
stochastic airwake
pilot model
validation
SAS optimization

File:

Download DooyongLee_thesis_etd.pdf

Committee Members:

Joseph Francis Horn, Committee Chair/Co-Chair
Lyle Norman Long, Committee Member
Edward C Smith, Committee Member
Qian Wang, Committee Member

Author:

Hathaway, Eric L

Title:

ACTIVE AND PASSIVE TECHNIQUES FOR TILTROTOR AEROELASTIC STABILITY AUGMENTATION

Graduate Program:

Aerospace Engineering

Keywords:

aeroelastic stability
whirl flutter
tiltrotor
active control
optimization

File:

Download hathaway_phd_thesis.pdf

Committee Members:

Farhan Gandhi, Committee Chair/Co-Chair
Edward C Smith, Committee Member
Joseph Francis Horn, Committee Member
Christopher Rahn, Committee Member

Author:

Semperlotti, Fabio

Title:

STRUCTURAL DAMAGE DETECTION VIA NONLINEAR SYSTEM IDENTIFICATION AND STRUCTURAL INTENSITY METHODS

Graduate Program:

Aerospace Engineering

Keywords:

Structural Surface Intensity
Structural Intensity
model free
baseline free
damage localization
HHRS
subharmonics
superharmonics
higher order harmonics
Nonlinear Structural Surface Intensity
Nonlinear Structural Intensity

File:

Download THESIS_FS_finalrev_3_combined.pdf

Committee Members:

Edward C Smith, Dissertation Advisor/Co-Advisor
Edward C Smith, Committee Chair/Co-Chair
Kon Well Wang, Committee Chair/Co-Chair
Stephen Clarke Conlon, Committee Member
George A Lesieutre, Committee Member
Martin Wesley Trethewey, Committee Member

Author:

Kang, Hao

Title:

ROTOR BLADE LAG DAMPING USING EMBEDDED CHORDWISE ABSORBERS

Graduate Program:

Aerospace Engineering

Keywords:

ROTOR
BLADE
DAMPING
ABSORBER
AEROMECHANICAL STABILITY

File:

Download thesis.pdf

Committee Members:

Farhan S Gandhi, Committee Member
George A Lesieutre, Committee Chair/Co-Chair
Kon Well Wang, Committee Member
Edward C Smith, Committee Chair/Co-Chair

Author:

Keller, Jonathan Allen

Title:

Analysis and Control of the Transient Aeroelastic Response of Rotors During Shipboard Engagement and Disengagement Operations

Graduate Program:

Aerospace Engineering

Keywords:

helicopters
blade strike
H-46 aircraft
shipboard
aeroelasticity

File:

Download thesis.pdf

Committee Members:

George A Lesieutre, Committee Member
Kon Well Wang, Committee Member
Edward C Smith, Committee Chair/Co-Chair
Lyle Norman Long, Committee Member
Farhan S Gandhi, Committee Member

Author:

Austruy, Julien

Title:

ROTOR HUB VIBRATION AND BLADE LOADS REDUCTION, AND ENERGY HARVESTING VIA EMBEDDED RADIAL OSCILLATOR

Graduate Program:

Aerospace Engineering

Keywords:

vibration control
rotorcraft
energy harvesting

File:

Download Dissertation_JulienAustruy_Dec2011.pdf

Committee Members:

Dr Farhan Gandhi, Dissertation Advisor/Co-Advisor
Farhan S Gandhi, Committee Chair/Co-Chair
George A Lesieutre, Committee Member
Edward C Smith, Committee Member
Sean N Brennan, Committee Member
Karl Martin Reichard, Committee Member

Author:

Paik, Jinho

Title:

The Aeroelastic Stability Improvements of Soft-Inplane Tiltrotors By Active and Passive Approaches

Graduate Program:

Aerospace Engineering

Keywords:

design optimization
whirl flutter
soft-inplane rotor
tiltrotor aircraft
feedback control

File:

Download Jinho-Paik-Dissertation-Aug09.pdf

Committee Members:

Dr Farhan Gandhi, Dissertation Advisor/Co-Advisor
Farhan Gandhi, Committee Chair/Co-Chair
Edward C Smith, Committee Member
Joseph Francis Horn, Committee Member
Christopher Rahn, Committee Member

Author:

Kim, Jun-Sik

Title:

Design and Analysis of Rotor Systems with Multiple Trailing Edge Flaps and Resonant Actuators

Graduate Program:

Aerospace Engineering

Keywords:

helicopter dynamics
vibration reduction
trailing edge flap
piezoelectric
resonant actuator

File:

Download JSKIM-Dissertation-2005-DEC.pdf

Committee Members:

Edward C Smith, Committee Chair/Co-Chair
Kon Well Wang, Committee Chair/Co-Chair
Farhan S Gandhi, Committee Member
Joseph Francis Horn, Committee Member
Mary I Frecker, Committee Member

Author:

Byers, Lynn Karen

Title:

Helicopter Rotor Lag Damping Augmentation Based on a Radial Absorber and Coriolis Coupling

Graduate Program:

Aerospace Engineering

Keywords:

lag damping
vibration absorber

File:

Download Lynn_Byers_Thesis_Final_June_2006.pdf

Committee Members:

Farhan Gandhi, Committee Chair/Co-Chair
George A Lesieutre, Committee Member
Edward C Smith, Committee Member
Sean Brennan, Committee Member

Author:

Sahani, Nilesh A.

Title:

Envelope Protection Systems for Piloted and Unmanned Rotorcraft

Graduate Program:

Aerospace Engineering

Keywords:

Envelope protection
Limit avoidance
Rotorcraft
Pilot cueing
Adaptive control
Integrator windup

File:

Download etd.pdf

Committee Members:

Joseph Francis Horn, Committee Chair/Co-Chair
Edward C Smith, Committee Member
Farhan S Gandhi, Committee Member
Asok Ray, Committee Member

Author:

Sezer-Uzol, Nilay

Title:

UNSTEADY FLOW SIMULATIONS AROUND COMPLEX GEOMETRIES USING STATIONARY OR ROTATING UNSTRUCTURED GRIDS

Graduate Program:

Aerospace Engineering

Keywords:

unsteady flow
ship airwake
wind turbine
large eddy simulation
LES
unstructured
computational fluid dynamics
CFD

File:

Download NilayPhDThesis-Final.pdf

Committee Members:

Lyle Norman Long, Committee Chair/Co-Chair
Philip John Morris, Committee Member
Edward C Smith, Committee Member
Joseph Francis Horn, Committee Member
Yousry Azmy, Committee Member

Author:

Montanye, Pamela L.

Title:

Shipboard Helicopter Gust Response Alleviation Using Active Trailing Edge Flaps

Graduate Program:

Aerospace Engineering

Keywords:

helicopter
rotorcraft
trailing edge flap
active rotor
flight dynamics
gust
gust response
shipboard
dynamic interface

File:

Download PamMontanyeMSThesis.pdf

Committee Members:

Edward C Smith, Thesis Advisor/Co-Advisor
Christopher Rahn, Thesis Advisor/Co-Advisor
Stephen Clarke Conlon, Thesis Advisor/Co-Advisor

Author:

Anusonti-Inthra, Phuriwat

Title:

SEMI-ACTIVE CONTROL OF HELICOPTER VIBRATION USING CONTROLLABLE STIFFNESS AND DAMPING DEVICES

Graduate Program:

Aerospace Engineering

Keywords:

controllable damper
controllable stiffness
semi-active control
helicopter vibration reduction

File:

Download Final_draft.pdf

Committee Members:

Edward C Smith, Committee Member
George A Lesieutre, Committee Member
Farhan Gandhi, Committee Chair/Co-Chair
Christopher Rahn, Committee Member

Author:

WANG, SHENGLAN

Title:

EMBEDDED INERTIAL DAMPERS FOR CONTROL OF TRANSIENT ROTOR LOADS DURING RESONANCE CROSSING

Graduate Program:

Aerospace Engineering

Keywords:

Inertial Damper
transient loads reduction

File:

Download Shenglan_MS_Thesis.pdf

Committee Members:

Edward Smith, Thesis Advisor/Co-Advisor
Edward C Smith, Thesis Advisor/Co-Advisor

Author:

Lee, Seongkyu

Title:

Prediction of Acoustic Scattering in the Time Domain and its Applications to Rotorcraft Noise

Graduate Program:

Aerospace Engineering

Keywords:

acoustic scattering
helicopter noise
equivalent source method
pressure gradient
aeroacoustics

File:

Download Lee_Dissertation.pdf

Committee Members:

Kenneth Steven Brentner, Dissertation Advisor/Co-Advisor
Kenneth Steven Brentner, Committee Chair/Co-Chair
Philip John Morris, Committee Chair/Co-Chair
Edward C Smith, Committee Member
Victor Ward Sparrow, Committee Member

Author:

Narayanan Nampy, Sreenivas

Title:

Advanced grid-stiffened composite shells for applications in heavy-lift helicopter rotor blade spars

Graduate Program:

Aerospace Engineering

Keywords:

composites
structures
rotor blades
grid-stiffened
grid
spar
heavy-lift rotor blade
buckling
stiffness
strength

File:

Download Sreeni_dissertation.pdf

Committee Members:

Edward C Smith, Dissertation Advisor/Co-Advisor
Edward C Smith, Committee Chair/Co-Chair
Charles E Bakis, Committee Member
Farhan S Gandhi, Committee Member
Clifford Jesse Lissenden Iii, Committee Member