Doctor of Philosophy
Sreenivas Narayanan Nampy, “Elastically-Tailored Rotor Blades Using Flexible Matrix Composite Materials,” in progress.
Jose Palacios, “Rotorcraft Anti-Icing Piezoelectric Materials,” in progress.
Zihni Saribay, “Multi-Disciplinary Optimal Design and Advanced Simulation of Propulsion-Transmission Systems for Ultra-High Endurance, Long Range , High Speed Rotorcraft,” in progress.
Fabio Semperlotti, “Damage Detection for Helicopter Rotor Systems,” in progress.
Jun-Sik Kim, “Design and Analysis of Rotor Systems with Multiple Trailing Edge Flaps and Resonant,” 2006, currently Research Associate, Aersp. Engr., Penn State .
Hans DeSmidt, “Robust-Adaptive Active Vibrations Control of Alloy and Flexible Matrix Composite Rotorcraft Drivelines via Magnetic Bearings: Theory and Experiment,” 2005, currently Assistant Professor, University of Tennessee .
Joseph Szefi, “Helicopter Gearbox Isolation Using Periodically Layered Fluid Isolators,” 2003, currently President, INVERCON, LLC, State College , PA.
David Heverly, “Optimal Actuator Placement and Active Structure Design for Control of Helicopter Airframe Vibrations,” 2002, currently Manager of Dynamics, V-22 Osprey Tiltorotor, at Bell Helicopter, Ft. Worth , Texas .
Hao Kang, “Rotor Blade Lag Damping Using Embedded Chordwise Absorbers,” 2001, currently research scientist, Advanced Rotorcraft Technologies, Palo Alto , CA .
Anna Howard, “The Aero Mechanical Stability of Soft-Inplane Tiltrotors,” 2001, currently Instructor, North Carolina State University , NC .
Louis Centolanza, “Induced Shear Piezoelectric Actuators for Smart Rotor Blades,” 2001, currently Aerospace Engineer at U.S. Army Aviation Applied Technololgy Directorate, Ft. Eustis , VA. Dr. Centolanza has been selected as one of the six U.S. DoD participants in the Exchange of Early Career Scientists Laboratory Visit Program.
Jianhua Zhang, “An Active-Passive Hybrid Method for Optimization of Rotor Blades with Trailing Edge Flaps,” 2001, currently Research Associate, Aersp. Engr., Penn State .
Patricia Stevens, “Active Interrogation of Helicopter Main Rotor Faults Using Trailing Edge Flap Actuation,” 2001, currently, Senior Systems Engineer, Army Future Combat Systems, Boeing, Philadelphia , PA.
Jonathan Keller, “Analysis and Control of the Transient Aeroelastic Response of Rotors During Shipboard Engagement and Disengagement Operations,” 2001, currently Lead Engineer, Condition Based Maintenance Programs, U.S. Army Aviation and Missile Command, Redstone Arsenal, Huntsville, AL.
Matthew Floros, “Elastically Tailored Composite Rotor Blades for Stall Alleviation and Vibration Reduction,” 2000, currently Research Engineer, US Army at Langley Research Center , Hampton , VA.
Christian Brackbill, “Helicopter Rotor Aeroelastic Analysis Using a Refined Elastomeric Damper Model,” 2000, currently, Rotor Dynamics Engineer, U.S. Army Aviation and Missile Command, Redstone Arsenal, Huntsville, AL.
Kiran Govindswamy, “Modeling of Strina, Temperature, and Frequency-Dependent Properties of Elastomeric Damper and Bearing Materials,” 1995, currently Engineering Manager, at FEV Motorentechnik Gmbh, Detroit , MI
Master of Science or Engineering
Pam Montanye, “Active Rotors for Improved Shipboard Dynamic Interface Operations,” in progress.
Peter Mathews, “Impact Resistance Composite Rotor Blades,” in progress.
Kirsten Bossenbroek, Grid Stiffened Composite Rotor Blades,” in progress.
Conor Marr, “Fluidlastic Damper Analysis and Optimal Design,” in progress.
Joe Walchko, “Robust Control of Airframe Transient Vibrations,” in progress.
Walter Schmidt, (co-advised with S. Conlon) “Rotor Blade Damage Detection,” in progress.
Tiwari Chandrashekhar, “Composite Structures For Crash Worthiness,” in progress.
William Kong, “Helicopter Crash Worthiness,” in progress.
Francois LeHen, “Actively Enhanced Periodically Layered Isolator For Helicopter Gearbox Isolation,” 2005, now at Michelin R&D Center , France .
Bryan Mayrides, “Analysis and Synthesis of Highly Flexible Helicopter Drivelines with Flexible Matrix,” 2005, currently Dynamics Engineer, Sikorsky Aircraft, Connecticut .
Jose Palacios, “Smart Structure for Helicopter Rotor Blade Anti-Icing,” 2004, currently pursuing his Ph.D. in Aersp. Engr. at Penn State .
Sreenivas Narayanan Nampy, “Structural Behavior and Design of Flexible Matrix Composite Box Beams with Extension Twist Coupling,” 2005, currently pursuing his Ph.D. in Aersp. Engr. at Penn State .
Jason Petrie, “Helicopter Lag Damping via Embedded Inertial Dampers,” 2004, currently Mechanical Systems Engineer, at BAE Systems, Nashua , NH .
Ronald Davis, “Development Rotorcraft Educational Facilities,” 2003, currently aeodynamics flight test engineer, at Bell Helicopter Textron, Ft. Worth , TX .
Murat Ocalan, “Highly Flexible Rotorcraft,” 2002, currently Mechanical Engineer, Schulmberger Corp, Houston , Texas .
Deepak Ramrakhyani, “Nonlinear Modeling of Elastomeric Materials Using Fractional Derivatives and a Continuously Yielding Plastic Element,” 2002, currently Financial Modeler, Wall Street.
L. Eric Ruhl, “Characterization of Low Amplitude and Pre-Compression Effects on Elastomeric Materials,” 1998, currently Aerospace Dynamics Engineer, Starsys Research Corp., Boulder , CO .
Sumit Sarkar, “Multi-Dimensional Finite Element Modeling of Elastomeric Components,” 1998, currently Mechanical Engineer, Schulmberger Corp, Houston , Texas .
Jonathan Keller, “Experimental/Theoretical Correlation of Analysis for Helicopter Blade-Droop Stop Impacts,” 1997, now at U.S. Army, Redstone Arsenal , AL .
Louis Centolanza, “Refined Structural Analysis for Elastically Tailored Composite Rotor Blades,” 1997, now at U.S. Army Aviation Applied Technology, Ft. Eustis , VA.
Lynn Byers, “Thermomechanical Characterization of Elastomeric Materials for Dampers and Bearings,” 1997, currently Faculty Member, US Military Academy, West Point , NY .
Christian Brackbill, “Thermomechanical Modeling of Elastomeric Materials for Dampers and Bearings,” 1996, now at U.S. Army, Huntsville , AL .
Matthew Floros, “Finite Element Modeling of Open-Section Composite Beams with Warping Restraint Effects,” 1996, now at NASA Langley, Hampton , VA.
Michael Beale, “Characterization of Strain and Frequency Dependence of Elastomeric Materials,” 1995, currently Aerospace Engineer, Teledyne Ryan , California .
William Geyer, “Transient Response Analysis for Helicopter Rotor Systems in a Shipboard Environment,” 1995, currently Lead Shipboard Suitability Engineer, V-22 Osprey Programs, Naval Air Warfare Center, Patuxent River, MD.
Michael Vascsinec, “Dynamics of Elastomeric Rotor Systems with Elastomeric Lag Dampers,” 1994 currently Shipboard Suitability Engineer, Naval Air Warfare Center , Patuxent River , MD.
Postdoctoral Scholars
Dr. Jun-Sik Kim, Post doctoral scholar, Rotor dynamics and Smart Structures programs.
Dr. Jianhua Zhang, Research Associate, “Analytical Research Tasks in Support of NASA Funded Program on Low Weight Rotor Systems,” January 2004 – present.
Co-supervised (with G. A. Lesieutre) Dr. Joseph Szefi, Research Associate, Experimental and Analytical Research Tasks in Support of NRTC Rotorcraft Center Noise and Vibration Control Projects.
Undergraduate Honors Theses Supervised
Jose Palacios, “Helicopter Blade Anti-Icing System,” 2003.
Robert Clauser, “Development of a Table Top Tiltrotor Model,” 2003.
Thomas Ivanco, “Performance Enhancement for Rotor Blades,” 1999.
Matthew Floros, “Analysis of Open Section Bearingless Composite Rotor Flexbeams,” 1994.
Christian Brackbill, “Structural Dynamic Analysis of a Ship Airwake Measurement System,” 1994.
Thomas Strickler, “Composite Blade Design a Propane Tip-Jet Helicopter,” 1993.
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