| (2005,
2004,
2003, 2002, 2001,
2000, 1999, 1998,
1997, 1996)
2005
Alpman,
E. and Long, L.N., "Separated Turbulent Flow
Simulations Using a Reynolds Stress Model and Unstructured
Meshes," Proceedings of the
AIAA
Aerospace Sciences Meeting, AIAA Paper No. 2005-1094,
Reno, NV, January 10-13, 2005.
Alpman,
E. and Long, L. N., "Unstructured Reynolds
Stress Model Solutions for Turbulent Flow around a BELL
214ST Fuselage," Proceedings of the American
Helicopter Society 61st Annual Forum, Grapevine, Vol.
1, pp. 370-383, TX, June 1-3, 2005.
Anusonti-Inthra,
P., Sarjeant, R., Frecker, M., and Gandhi, F., “Design
of a Conformable Rotor Airfoil Using Distributed Piezoelectric
Actuators,” AIAA Journal, Vol. 43,
No. 8, August 2005, pp. 1684-1695.
Brentner,
K.S., Edwards, B.D., Riley, R., and Schillings, J., "Predicted
Noise for a Main Rotor with Modulated Blade Spacing,"
Journal of the American Helicopter Society, Vol.
50, No. 1, January 2005, pp. 18-25.
Brentner,
K.S., Lopes, L.V., Chen, H.N., and Horn, J.F., "Near
Real-Time Simulation of Rotorcraft Acoustics and Flight
Dynamics," Journal of Aircraft, Vol.
42, No. 2, March-April 2005, pp. 347-355.
Bridges,
D.O., Horn, J.F., and Ray, A., “Model-Following
Control of a Military Helicopter with Damage Mitigation,”
Proceedings of the AIAA
Guidance, Navigation, and Controls Conference, AIAA
Paper No. 2005-6347, San Francisco, CA, August 15-18, 2005.
Chen, H.N., Brentner, K.S., and Shirey,
J.S., "An Investigation of Transient Rotor
Noise in Maneuvering Flight," Proceedings
of the 11th
AIAA/CEAS Aeroacoustics Conference (26th AIAA Aeroacoustics
Conference), AIAA
Paper No. 2005-2903, Monterey,
CA, May 23 - 25, 2005.
Chen,
H.N., Brentner, K.S., Ananthan, S., and Gordon Leishman,
J., "A Computational Study of Helicopter Rotor
Wakes and Noise Generated During Transient Maneuvers,"
Proceedings of the American Helicopter Society
61st Forum, Vol. 1, pp. 492-517, Grapevine, TX, June
1-3, 2005.
Chen,
J., Lagoa, C.M., Horn, J.F., and Ray, A., “Output
Bounded Switching Control for Future Generation Rotorcraft,”
Proceedings of the AIAA
Guidance, Navigation, and Controls Conference, AIAA
Paper No. 2005-6371, San Francisco, CA, August 15-18, 2005.
DeSmidt,
H.A., Wang, K.W., Smith, E.C., and Provenza, A.,
“On the Robust Stability of Segmented Driveshafts
with Active Magnetic Bearing Control,”
Journal of Vibration and Control, Vol. 11, No. 3, March
2005, pp. 317-329.
Gandhi,
F. and Bullough, W., “On the Phenomenological
Modelling of Electrorheological and Magnetorheological Fluid
Pre-Yield Behavior,” Journal of Intelligent
Material Systems and Structures, Vol. 16, No.3, March
2005, pp. 237-248.
Hanford,
S., Long, L.N., and Horn, J.F., "A Semi-Autonomous
Quad-Rotor Micro Air Vehicle," Presented
at the AIAA InfoTech@Aeropace Conference, AIAA Paper
No. 2005-7077, Washington DC, September 26-29, 2005.
Hines,
J.A., Muench, D.S., Keller, J.A., and Garga, A.K., "Effects
of Time-Synchronous Averaging Implementations on HUMS Features
for UH-60A Planetary Carrier Cracking," Proceedings
of the American Helicopter Society 61st Annual Forum,
Vol. 1, pp. 218-227, Grapevine, TX, June 1-3, 2005
Horn,
J.F., Bridges, D.O., Wachspress, D.A., and Rani, S.L., “Implementation
of a Free-Vortex Wake Model in Real-Time Simulation of Rotorcraft,”
Proceedings of the American Helicopter Society 61st
Annual Forum, Vol. 2, pp. 2057-2074, Grapevine, TX,
June 1-3, 2005.
Horn,
J.F., Bridges, D.O., Lopes, L.V., and Brentner, K.S., “Development
of a Low-Cost Multi-Disciplinary Rotorcraft Simulation Facility.”
AIAA Journal of Computing, Information, and Communications,
Vol. 2, No. 7, July 2005, pp.267-284.
Horn,
J.F., Tolani, D.K., Lagoa, C.M., Wang, Q., and Ray, A.,
“Reliable Operation of Rotorcraft Using Probabilistic
Robust Control.” IFAC Control Engineering
Practice, Vol. 12, No. 8, August 2005, pp. 1037-1046.
Jeram,
G.J., Sahani, N.A., Prasad, J.V.R., and Horn, J.F., “Distributing
Limit Protection between Autonomous Restraint and Voluntary
Tactile Cues,” Proceedings of
the AIAA
Aerospace Science Meeting, AIAA Paper No. 2005-30,
Reno, NV, January 10-13, 2005.
Kim,
J.S., Wang, K.W., and Smith, E.C., “High-Authority
Piezoelectric Actuation System Synthesis through Mechanical
Resonance and Electrical Tailoring,”
Journal of Intelligent Material Systems and Structures,
Vol. 16, January 2005, pp. 21-31.
Kim,
J.S., Wang, K.W., and Smith, E.C., "Development
of a Resonant Actuation System for Active Flap Rotors,"
Proceedings of the American Helicopter Society
61st Forum, Vol. 2, pp. 1627-1637, Grapevine, TX, June
1-3, 2005.
Kim,
J.S., Wang, K.W., and Smith, E.C., "Design
and analysis of piezoelectric transducer based resonant
actuation systems," Presented at the
2005 ASME International Mechanical Engineering Congress
& Exposition, Orlando, FL, November 6-11, 2005.
Kinzel,
M.P., Maughmer, M.D., Lesieutre, G.A., and Duque, E.P.N,
"Numerical Investigation of Miniature Trailing-Edge
Effectors on Static and Oscillating Airfoils,"
Proceedings of the AIAA
Aerospace Sciences Meeting, AIAA Paper No. 2005-1039,
Reno, NV, January 10-13, 2005.
Lee,
D., Sezer-Uzol, N., Horn, J.F., and Long, L.N., "Simulation
of Helicopter Shipboard Launch and Recovery with Time-Accurate
Airwakes," AIAA Journal of Aircraft ,
Vol. 42, No. 2, March-April 2005, pp.448-461.
Lee,
D. and Horn, J.F., “Optimization of a Helicopter
Stability Augmentation System for Operation in a Ship Airwake,”
Proceedings of the American Helicopter Society 61st
Annual Forum, Vol. 2, pp. 1149-1159, Grapevine, TX,
June 1-3, 2005.
LeHen,
F., Smith, E.C., and Lesieutre, G.A., "Actively-Enhanced
Periodically-Layered Mount For Helicopter Gearbox Isolation,"
Proceedings of the 46th
AIAA/AHS/ASME/ASCE/ASC Structures, Structural Dynamics and
Material Conference, AIAA Paper No.
2005-2250, Austin, TX, April 18-21, 2005.
Long,
L.N., Hanford, S.D., Niessner, A.F., Gurney, G.B., and Hansen,
R.P., "An Undergraduate Course in Unmanned
Air Vehicles," Presented at the AIAA InfoTech@Aeropace
Conference, AIAA Paper No. 2005-6982, Washington
DC, September 26-29, 2005.
Long,
L.N. and Gupta, A., "Scalable Massively Parallel
Artificial Neural Networks,"Presented
at the AIAA InfoTech@Aeropace Conference,
AIAA Paper No. 2005-7168, Washington DC, September
26-29, 2005.
Malovrh,
B. and Gandhi, F., “Sensitivity of Helicopter
Blade-Vortex-Interaction Noise and Vibration to Interaction
Parameters,” Journal of Aircraft, Vol.
42, No. 3, May-June 2005, pp. 685-697.
Maughmer,
M.D., Lesieutre, G.A., and Kinzel, M.P., "Miniature
Trailing-Edge Effectors for Rotorcraft Performance Enhancement,"
Proceedings of the American Helicopter Society 61st
Forum, Vol. 2, pp. 1886-1897, Grapevine, TX, June 1-3,
2005.
Mayrides,
B., Smith, E.C., and Wang, K.W., "Analysis
and Synthesis of Highly Flexible Helicopter Drivelines with
Flexible Matrix Composite Shafting," Proceedings
of the American Helicopter Society 61st Forum, Vol.
2, pp. 1582-1595, Grapevine, TX, June 1-3, 2005.
Miller,
J.A., Niessner, Jr., A.F., DeLullo, A.M., Minear, P.D.,
Long, L.N., "Intelligent Unmanned
Air Vehicle Flight Systems," Presented
at the AIAA InfoTech@Aeropace Conference, AIAA Paper
No. 2005-7081,Washington DC, September 26-29, 2005.
Modi,
A., Sezer-Uzol, N., Long, L.N., and Plassmann, P.E., "Scalable
Computational Steering for Visualization/Control of Large-Scale
Fluid Dynamics Simulations," Journal
of Aircraft, Vol. 42, No. 4, July-August 2005, pp.
963-975.
Munsky,
B., and Gandhi, F., “Analysis of Helicopter
Blade-Vortex Interaction Noise with Flight Path or Attitude
Modification,” Journal of the American
Helicopter Society, Vol. 50, No. 2, April 2005, pp.
123-137.
Nampy,
S.N. and Smith, E.C., "Extension-Twist Coupled
Tiltrotor Blades Using Flexible Matrix Composites,"
Proceedings of the 46th
AIAA/AHS/ASME/ASCE/ASC Structures, Structural Dynamics and
Material Conference, AIAA Paper No.
2005-2182, Austin, TX, April 18-21, 2005.
Nampy,
S.N., Smith, E.C., Shan, Y., and Bakis, C.E., "Extension-Twist
Coupled Tiltrotor Blades Using Flexible Matrix Composites,"
Presented at the Structures and Survivability Specialists'
Meeting, Williamsburg,
VA, October 25-27, 2005.
Nissly,
A., Anusonti-Inthra,
P., Gandhi, F., and Frecker, M., "Design Optimization
of a Controllable Camber Rotor Airfoil," Proceedings
of the American Helicopter Society 61st Forum, Vol.
1, pp. 707-716, Grapevine, TX, June 1-3, 2005.
Palacios,
J.L. and Smith, E.C., "Dynamic Analysis and
Experimental Testing of Thin-Walled Structures Driven by
Shear Tube Actuators," Proceedings of
the 46th
AIAA/AHS/ASME/ASCE/ASC Structures, Structural Dynamics and
Material Conference, AIAA Paper No.
2005-2112, Austin, TX, April 18-21, 2005.
Perez,
G., Brentner, K.S., Brès ,G.A., and Jones, H.E.,
"A First Step Toward the Prediction of Rotorcraft
Maneuver Noise," Journal of the American
Helicopter Society, Vol. 50, No. 3, July 2005, pp.
230-237.
Petrie,
J.S., Lesieutre, G.A., and Smith, E.C., "Design
and Model Testing of Helicopter Rotor Blade Lag Fluid Embedded
Chordwise Inertial Dampers," Proceedings
of the American Helicopter Society 61st Forum, Vol.
1, pp. 994-1004, Grapevine, TX, June 1-3, 2005.
Ramrakhyani,
D., Lesieutre, G.A., Frecker, M. and Bharti, S., “Aircraft
Structural Morphing Using Tendon Actuated Compliant Cellular
Trusses,” Accepted for publication in
Journal of Aircraft, 2005.
Sahani,
N. and Horn, J.F., “Adaptive Model Inversion
Control of a Helicopter with Structural Load Limiting.”
Accepted for publication in AIAA Journal
of Guidance, Control, and Dynamics, March 2005.
Sahani,
N.A. and Horn, J.F., “Command Limiting for
Full-Envelope Guidance and Control of Rotorcraft,”
Proceedings of the
AIAA
Guidance, Navigation, and Controls Conference, AIAA
Paper No. 2005-6348, San Francisco, CA, August 15-18, 2005.
Sezer-Uzol,
N., Sharma, A. and Long, L.N., "Computational
Fluid Dynamics Simulations of Ship Airwakes,"
To appear Journal of Aerospace Engineering, 2005.
Shan,
Y. and Bakis, C.E., "Internal Heating Behavior
of Flexible Matrix Composite Driveshaft,"Proceedings
of the American Helicopter Society 61st Forum, Vol.
2, pp. 2184-2191, Grapevine, TX, June 1-3, 2005.
Sullivan,
B.M., Edwards, B.D., Brentner, K.S., and Booth Jr., E.R.,
"A Subjective Test of Modulated Blade Spacing
for Helicopter Main Rotors," Journal of
the American Helicopter Society, Vol. 50, No. 1, January
2005, pp. 26-32.
Thiel,
M., "Active Gurney Flaps for Rotorcraft Applications,"
Presented at the Mindbend 2005 Student Conference, University
Park, PA, April 2005.
Tolani,
D.K., Horn, J.F., Yasar, M., and Ray, A., “Hierarchical
Control of Rotorcraft for Enhanced Performance and Structural
Durability,” Proceedings of the
AIAA
Guidance, Navigation, and Controls Conference, AIAA
Paper No. 2005-6349, San Francisco, CA, August 15- 18, 2005.
Yang,
M.Y., Lesieutre, G.A., Hambric, S.A. and Koopmann,
G.H., “Development of a Design Curve
For Particle Impact Dampers,” Noise Control
Engineering Journal, Vol. 53, No.1, January –
February 2005, pp. 5-13.
2004
Alpman, E., Long, L.N., and Kothmann,
B, "Understanding Ducted Rotor Antitorque and
Directional Control Characteristics Part I: Steady Simulations,"
Journal of Aircraft, Vol. 41, No. 5, September-October,
2004, pp. 1042-1053.
Alpman,
E., Long, L.N., and Kothmann, B, "Understanding
Ducted Rotor Antitorque and Directional Control Characteristics
Part II: Unsteady Simulations," Journal
of Aircraft, Vol. 41, No. 6, November-December, 2004,
pp. 1370-1378.
Anderson,
J.B., Long, L.N. and O’Connor, P., “The
Effect of Sound Speed on Detonation Velocity,”
To be submitted RGD Conference, Italy, 2004.
Anusonti-Inthra,
P. and Gandhi, F., “Cyclic Modulation of Semi-Active
Controllable Dampers for Tonal Vibration Isolation,”
Journal of Sound and Vibration, Vol. 275, 2004,
pp. 107–126.
Badre-Alam,
A., Wang, K.W., and Gandhi, F., “An Analysis
of Interlaminar Stresses in Active Constrained Layer Damping
Treatments,” Journal of Sound and Vibration,
Vol. 269, 2004, pp. 965 –990.
Bharti,
S., Frecker, M., Lesieutre, G.A., and Ramrakhyani, D., “Active
and Passive Material Layout in a Tendon Actuated Morphing
Aircraft Wing,” Proceedings of the SPIE
11th Annual International Symposium on Smart Structures
and Materials, San Diego, CA, March 14-18, 2004.
Chen,
H., Brentner, K.S., Lopes, L., and Horn, J.F., “A
Study of Rotorcraft Noise Prediction in Maneuvering Flight,”
Proceedings of the AIAA 42nd Aerospace Sciences
Meeting and Exhibit, AIAA Paper No. 2004-850, Reno,
NV, January 5- 8, 2004.
Corfeld,
K., Strawn, R., and Long, L.N., "A Computational
Aerodynamics Simulation of a Martian Rotorcraft," Journal
of the American Helicopter Society, Vol. 49, No. 3,
July 2004, pp. 350-356.
DeSmidt,
H.A., Wang, K.W., and Smith, E.C., “Multi-Harmonic
Adaptive Vibration Control of Magnetic Bearing-Driveshaft
with Auxiliary Feedback: Theory and Experiment,” Proceedings
of the 45th AIAA Structures, Structural Dynamics
and Materials Conference, AIAA Paper No. 2004-1632,
Palm Springs, CA, April 19-22, 2004.
DeSmidt,
H.A., Wang, K.W., and Smith, E.C., "Adaptive
Control of Flexible Matrix Composite FMC) Rotorcraft Drivelines,”
Presented at the American Helicopter Society
60th Annual Forum, Baltimore,
MD, June 7-10, 2004.
DeSmidt,
H.A., Wang, K.W., and Smith, E.C., "Stability
of Segmented Supercritical Driveline with Non-Constant Velocity
Couplings Subjected to Misalignment and Torque,"
Journal of Sound and Vibration, Vol. 227, 2004,
pp. 895-918.
Duque,
E.P.N., Gordon, R., Berry, M.D., Cicolani, L., and Rosen,
A., "Reynolds-Averaged Navier-Stokes Simulations
of Helicopter Slung Loads," Presented
at the AHS 4th Decennial Specialist's Conference on Aeromechanics,
San Francisco, CA, January 21-23, 2004.
Fritz,
T.E. and Long, L.N., "Object-Oriented Unsteady
Vortex Lattice Method for Flapping Flight,"
Journal of Aircraft, Vol. 41, No. 6, November-December
2004, pp. 1275-1290.
Gandhi,
F.S. and Sekula, M.K., “Helicopter Vibration
Reduction using Fixed-System Auxiliary Moments,”
AIAA Journal, Vol. 42, No. 3, March 2004, pp. 501-512.
Gandhi,
F.S. and Sekula, M.K., “Helicopter Horizontal
Tail Incidence Control to Reduce Rotor Cyclic Pitch and
Blade Flapping,” Proceedings
of the American Helicopter Society 60th Annual Forum,
Vol. 1, pp. 1098-1119, Baltimore, MD, June 7-10, 2004.
Gandhi,
F.S. and Sekula, M.K., “Helicopter Horizontal
Tail Incidence Control to Reduce Rotor Cyclic Pitch and
Blade Flapping,” Journal of the American
Helicopter Society, accepted for publication, September
2004.
Geiger,
B., Horn, J.F., Greenjack, A., and Piasecki, F.W.,
“Trim and Maneuver Optimization Methods for Compound
Rotorcraft,” Presented at the American
Helicopter Society 60th Annual Forum, Baltimore, MD,
June 7-10, 2004.
Hathaway,
E.L. and Gandhi, F.S., “Design Optimization
for Improved Tiltrotor Whirl Flutter Stability,”
Accepted for publication in Journal of the American
Helicopter Society, December 2004.
Hathaway,
E.L. and Gandhi, F.S., “Tiltrotor Whirl Flutter
Alleviation Using Actively Controlled Wing Flaperons,"
Presented at the American Helicopter Society
60th Annual Forum, Baltimore, MD, June 7-10, 2004.
Hennes,
C.C., Chen, H.N., Brentner, K.S., Ananthan, S., and Leishman,
J.G., “Influence of Transient Flight Maneuvers
on Rotor Wake Dynamics and Noise Radiation,” Proceedings
of the AHS 4th Decennial Specialist’s Conference on
Aeromechanics, San Francisco, CA, January 21-23, 2004.
Heverly
II, D.E., Wang, K.W., and Smith, E.C., "Dual
Stack Piezoelectric Device with Bidirectional Actuation
and Improved Performance," Journal of
Intelligent Material Systems and Sturctures, Vol.
15, July 2004, pp. 565-574.
Horn,
J.F. and Sahani, N., “Detection and Avoidance
of Main Rotor Hub Moment Limits on Rotorcraft,”
AIAA Journal of Aircraft, Vol. 41, No. 2, March-April
2004, pp. 372-379.
Horn,
J., Bridges, D., Sharma, C., Lopes, L., and Brentner, K.,
“A Multi-Disciplinary Rotorcraft Simulation
Facility Composed of Commodity Components and Open Source
Software,” Proceedings of the American
Helicopter Society 60th Annual Forum, Vol. 2, pp. 1276-1287,
Baltimore, MD, June 7-10, 2004.
Jindal,
S., Long, L.N., and Plassmann, P.E., "Large
Eddy Simulations around a Sphere Using Unstructured Grids,"
Presented at the AIAA Fluid Dynamics Meeting, AIAA
Paper No. 2004-2228, Portland, Oregon, June 28 - July 1,
2004.
Kang,
H., Smith, E.C., and Lesieutre, G.A., “Helicopter
Blade Damping Using Embedded Chordwise Vibration Absorbers,”
Accepted for publication in the Journal of
Aircraft, 2004.
Kim,
J.S., Smith, E.C., and Wang, K.W., “Helicopter
Vibration Suppression via Multiple Trailing Edge Flaps Controlled
by Resonance Actuation System ,” Proceedings
of the American Helicopter Society 60th Annual Forum,
Vol. 2, pp. 1611-1622, Baltimore, MD, June 7-10, 2004.
Kinzel,
M., "Miniature Trailing-Edge Effectors for
Rotorcraft Applications," Presented at
the Mindbend 2004 Student Conference, University Park,
PA, April 2004.
Kothmann,
B.D., Lu., Y., DeBrun, E., and Horn, J., “Prospective
on Rotorcraft Aerodynamic Modeling for Flight Dynamics Applications,”
Proceedings of the American Helicopter Society
4th Decennial Specialist’s Conference on Aeromechanics,
San Francisco, CA, January 21-23, 2004.
Lee,
D. and Horn, J.F., “Simulation of Pilot Workload
for Helicopters Operating in a Turbulent Ship Airwake,”
Proceedings of the AIAA Atmospheric Flight
Mechanics Conference, AIAA Paper 2004-5360, Providence,
RI, August 16-19, 2004.
Lesieutre,
G.A., Loverich, J., Koopmann, G.H., and Mockensturm, E.M.,
“Increasing The Mechanical Work Output Of
An Active Material Using A Non-Linear Motion Transmission
Mechanism,” Journal of Intelligent Materials
Systems and Structures, Vol. 15, January 2004, pp.
49-58.
Lesieutre,
G.A., Hofmann, H., and Ottman, G., “Damping
as a Result of Piezoelectric Energy Harvesting,” Journal
of Sound and Vibration, Vol. 269, 22 January 2004,
pp. 991-1001.
Long,
L.N. and Schweitzer, S.J., “Information and
Knowledge Transfer through Archival
Journals and On-line Communities,” Proceedings
of the AIAA Aerospace Sciences Meeting, AIAA
Paper No. 2004-1264, Reno, NV, January 5- 8, 2004.
Long,
L.N., Plassmann, P.E., Sezer-Uzol, N. and Jindal, S.,
“Real-Time Visualization and
Steering of Large-Scale Parallel Simulations,” Presented
at the 11th International Symposium
on Flow Visualization, Notre Dame, IN, August 2004.
Long,
L.N., Morris, P.J., and Agarwal, A., "A Review
of Parallel Computing in Computational Aeroacoustics,"
International Journal of Computational Fluid Dynamics,
Vol. 18, No. 6, August 2004, pp. 493-502.
Long,
L., "Computing, Information and Communication:
The Fifth Pillar of Aerospace Engineering,"
Journal of Aerospace Computing, Information and Communication,
Vol. 1, No. 1, January 2004, pp. 1-4.
Malovrh,
B., and Gandhi, F., “Localized Individual
Blade Root Pitch Control for Helicopter Blade-Vortex Interaction
Noise Reduction,” Accepted for publication
in the Journal of the American Helicopter Society,
October 2004.
Marathe,
S., Wang, K.W., and Gandhi, F., “Feedback
linearization control of magnetorheological fluid damper
based systems with model uncertainty,” Smart
Material Structures, Vol. 13, 2004, pp. 1006–1016.
Morris,
P.J., Long, L.N., and Brentner, K.S., “An
Aeroacoustic Analysis of Wind Turbines,”
Proceedings of the 23rd ASME Wind Energy Symposium,
AIAA Paper No. 2004-1184, Reno, NV, January 5-8, 2004.
Ozyoruk,
Y., Alpman, E., Ahuja, V., and Long, L., "Frequency
-Domain Prediction of Turbofan Noise Radiation,"
Journal of Sound and Vibration, Vol. 270, 2004,
pp. 933-950.
Petriei,
J.S., Lesieutre, G.A., and Smith, E.C., "Helicopter
Blade Lag Damping Using Embedded Fluid Elastic Inertial
Dampers," Proceedings of the 45th AIAA/ASME/ASCE/AHS/ASC
Structures, Structural Dynamics, and Materials Conference,
AIAA Paper No. 2004-1950, Palm Springs, CA, April 19-22,
2004.
Ramrakhyani,
D., Lesieutre, G.A., Frecker, M., and Bharti, S., “Aircraft
Structural Morphing Using Tendon Actuated Compliant Cellular
Trusses,” Proceedings of the 12th AIAA/ASME/AHS
Adaptive Structures Conference, AIAA Paper No. 2004-1728,
Palm Springs, CA, April 19-22, 2004.
Ramrkahyani,
D.S., Lesieutre, G.A. and Smith, E.C., "Modeling
of Elasticmeric Materials Using Nonlinear Fractional Derivative
and Continuously Yielding Fraction Elements," International
Journal of Solids and Structures, Vol. 41, No. 14,
July 2004, pp. 3929-3948.
Sahani,
N., Horn, J.F., Jerram, G., and Prasad, J.V.R., “Hub
Moment Limit Protection Using Neural Network Prediction,”
Proceedings of the American Helicopter Society 60th Annual
Forum, Vol. 1, pp. 775-786, Baltimore, MD, June 7-10,
2004.
Sahani,
N. and Horn, J.F., “Adaptive Model Inversion
Control of a Helicopter with Structural Load Limiting,”
Proceedings of the AIAA Guidance, Navigation, and Controls
Conference, AIAA Paper 2004-4753, Providence, RI, August
16-19, 2004.
Sahani,
N. and Horn, J.F., “Neural Network Based Algorithms
for Comprehensive Collective Axis Limit Avoidance on Rotorcraft,”
AIAA Journal of Computing, Information, and Communications,
Vol. 1, November 2004, pp.432-451.
Sekula,
M.K. and Gandhi, F., “Effects of Auxiliary
Lift and Propulsion on Helicopter Vibration Reduction and
Trim,” Journal of Aircraft, Vol.
41, No. 3, May 2004, pp. 645-656.
Sekula,
M.K. and Gandhi, F.S., "Helicopter Vibration
and Rotor Power Reduction through Horizontal Tail Incidence
Angle Control," Proceedings of the American
Helicopter Society 60th Annual Forum, Vol. 2, pp. 2033-2047,
Baltimore, MD, June 7-10, 2004.
Scott,
N.W. and Duque, E.P.N., "Unsteady Reynolds-Averaged
Navier-Strokes Predictions of the Flow Around a Prolate
Sphoroid," Proceedings of the 42nd Aerospace
Sciences Meeting, AIAA Paper No. 2004-55, Reno, Nevada,
January 5-8, 2004.
Sharma,
A. and Long, L.N., “Parallel Direct Simulation
Monte Carlo Methods,” Presented at the
SIAM Conference on Parallel Processing for Scientific Computing,
San Fransisco, CA, February 2004.
Szefi,
J.T., Smith, E.C., and Lesieutre, G.A., "Design
and Testing of a Compact Layered Isolator for High-Frequency
Helicopter Gearbox Isolation," Proceedings
of the 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural
Dynamics, and Materials Conference, AIAA Paper No. 2004-1947,
Palm Springs, CA, April 19-22, 2004.
Tolani,
D.K., Horn, J.F., Ray, A., and Chen, J., “Hierarchical
Control of Future Generation Rotorcraft,” Presented
at the American Controls Conference, Boston, MA, June
30 – July 2, 2004.
Zhang,
J., Smith, E., and Wang K., "Active-Passive Hybrid
Optimization of Rotor Blades with Trailing Edge Flaps,"
Journal of the American Helicopter Society, Vol.
49, No. 1, January 2004, pp. 54-65.
Zhou,
X., Shin, E., Wang, K.W., and Bakis, C.E., "Interfacial
Damping Characteristics of Carbon Nanotube Based Composites,"
Journal of Composites Science and Technology,Vol.
64, 2004, pp. 2425-2437.
2003
Alpman,
E., Long, L.N. and Kothmann, B., "Comanche Fan-in-Fin
Simulations," Proceedings of the American
Helicopter Society 59th Annual Forum, Vol. 2, pp. 1392-1404,
Phoenix, AZ, May 2003.
Alpman,
E. and Long, L.N., "Unsteady RAH-66 Comanche Flowfield
Simulations including Fan-in-Fin," Proceedings
of the 16th AIAA Computational Fluid Dynamics
Conference, AIAA Paper No. 2003-4231, Orlando, FL,
June 23-26, 2003.
Anusonti-Inthra,
P., Searjant, R., Frecker, M. and Gandhi, F., "Design
of a Conformable Rotor Airfoil Using Distributed Piezoelectric
Actuators," Presented at the 2003 ASME International
Mechanical Engineering Congress and Exposition, Adaptive
Structures Symposium, Washington DC, November 2003.
Anusonthi-Inthra,
P., Gandhi, F., and Miller, L., “Reduction
of Helicopter Vibration through Cyclic Control of Variable
Orifice Dampers,” The Aeronautical Journal,
The Royal Aeronautical Society, Vol. 107, No. 1077,
November 2003, pp. 657-672.
Brentner,
K.S. and Farassat F., "Modeling Aerodynamically
Generated Sound of Helicopter Rotors," Progress
in Aerospace Sciences, Vol. 39, Nos. 2-3, February-April
2003, pp. 83-120.
Brentner,
K.S., Lopes, L., Chen, H., Horn, J.F., "Near Real-Time
Simulation of Rotorcraft Acoustics and Flight Dynamics,"
Proceedings of the American Helicopter Society 59th Annual
Forum, Vol. 1, pp. 56-71, Phoenix, AZ, May 2003.
Brès,
G.A., Brentner, K.S., Perez, G., and Jones, H.E., "Maneuvering
Rotorcraft Noise Prediction," Journal
of Sound and Vibration, Vol.
39, Nos. 3-5, August 2003, pp. 719-738.
Bridges,
D.O. and Horn, J.F., "Damage Mitigating
Control of Rotorcraft," Proceedings of the American
Helicopter Society 59th Annual Forum, Vol. 2, pp. 1192-1203,
Phoenix, AZ, May 2003.
DeSmidt,
H.A., Wang, K.W., Smith, E.C., and Provenza, A., "Stability
Control of Driveline System with Internal Damping and Non-Constant
Velocity Couplings," Proceedings of the
ISCORMA Conference, Gdansk Poland, 2003.
DeSmidt,
H.A., Wang, K.W., and Smith, E.C., “Multi-Harmonic
Adaptive Vibration Control of AMB-Driveline Systems with
Non-Constant Velocity Flexible Couplings,” Presented
at the ASME Design Engineering Technical Conference,
DETC2003/VIB-48545, Chicago, IL, 2003.
Frank,
J.E., Koopmann, G.H., Chen, W., Mockensturm, E., Lesieutre,
G.A., and Loverich, J.Y., “Modeling
And Design Optimization Of A Bimorph-Driven Rotary Motor,”
Journal of Intelligent Materials Systems and Structures,
Vol. 14, Nos. 4-5, April-May 2003, pp. 217-227.
Gandhi,
F., and Anusonti-Inthra, P., “Adaptive Control
of Semi-Active Variable Stiffness Devices for Narrow-Band
Disturbance Rejection,” Journal of Intelligent
Material Systems and Structures, Vol. 14, No. 3, March
2003, pp. 191-201.
Gandhi,
F., and Tauszig, L., “A Method to Evaluate
the Contributions of Individual Interactions to Helicopter
Blade-Vortex Interaction Noise,” Journal
of the American Helicopter Society, Vol. 48, No. 4,
October 2003, pp. 287-299.
Hathaway,
E., and Gandhi, F., “Modeling Refinements
in Simple Tiltrotor Aeroelastic Stability Analyses,”
Journal of the American Helicopter Society,
Vol. 48, No. 3, July 2003, pp. 186-198.
Horn,
J.F., Tolani, D.K., Lagoa, C.M., Wang, Q., and Ray, A.,
"Reliable Operation of Rotorcraft Using Probabilistic
Robust Control," Proceedings of the 5th IFAC
Symposium on Fault Detection, Supervision and Safety of
Technical Processes, Washington DC, June 9-11, 2003.
Howard,
A., and Smith, E.C., “Prediction of Air and
Ground Resonance Stability Of Soft-Inplane Tiltrotors Using
A Semi-Span Analytical Model,” Accepted
For Publication in the American Helicopter Society,
January 2003.
Jindal,
S., Long, L.N. and Plassmann, P.E., "Computational
Steering for Large Eddy Simulations," Proceedings
of the 16th AIAA Computational Fluid Dynamics
Conference, Orlando, FL, June 23-26, 2003.
Keller,
J.A. and Smith, E.C., “Active Control of Gimballed
Rotors Using Swashplate Actuation During Shipboard Engagement
Operations,” AIAA Journal of Aircraft,”
Vol. 40, No. 4, July-August 2003, pp. 726-733.
Kim,
J.S., Smith, E.C., and Wang, K.W., "Active Load
Control of and Articulated Composite Rotor Blade via Dual
Trailing Edge Flaps," Proceedings of the AIAA/ASME/ASCE/AHS/ASC
Structures, Structural Dynamics, and Materials Conference,
AIAA Paper No. 2003-1543, Norfolk, VA, April 7-10, 2003.
Kim,
J.S., Wang, K.W., and Smith, E.C., “Active
Authority Enhancement of Piezoelectric Actuator Design via
Mechanical Resonance and Electrical Tailoring,”
Proceeding of the Fifth International Conference on Intelligent
Materials, University Park, PA, June 14-17, 2003.
Kim,
J.S., Wang, K.W., and Smith, E.C., “High Authority
Piezoelectric Actuation System Synthesis through Mechanical
Resonance and Electrical Tailoring,”
Proceeding of the 2003 ASME International Mechanical Engineering
Congress & Exposition, Washington DC, November
16-21, 2003.
Lee,
D., Sezer-Uzol, N., Horn, J.F. and Long, L.N., "Simulation
of Helicopter Shipboard Launch and Recovery With Time-Accurate
Airwakes," Proceedings of the American Helicopter
Society 59th Annual Forum, Vol. 1, pp. 1113-1131, Phoenix,
AZ, May 2003.
Lee,
D., Horn, J.F., Sezer-Uzol, N. and Long, L.N., “Simulation
of Pilot Control Activity During Helicopter Shipboard Operations,”
Proceedings of the AIAA Atmospheric Flight
Mechanics Conference, AIAA Paper 2003-5306, Austin,
TX, August 2003.
Lesieutre,
G.A., Rusovici, R., Koopmann, G.H., and Dosch, J.J., “Modeling
and Characterization of a Piezoceramic Inertial Actuator,”
Journal of Sound and Vibration, Vol. 261,
No. 1, March 13, 2003, pp. 93-107.
Lesieutre,
G.A., Frecker, M., Ramrakhyani, D., Bharti, S., “Tendon-Actuated
Compliant Cellular Truss For Morphing Aircraft Structures,”
Proceedings of the 14th International Conference
on Adaptive Structures Technology, Seoul, South Korea,
October 7-9, 2003. pp. 360-371.
Long,
L.N., Sharma, A. and Souliez, F., "COTS-Based Client-Server
Mobile Robot using Java," Proceedings of the
AIAA Aerospace Sciences Meeting, AIAA Paper No. 2003-0459,
Reno, NV, January 6-9, 2003.
Long,
L.N., “Java-Based Control of Small Quadrupedal
Robots,” Presented at the AIAA Intelligent
Systems Conference, Chicago, IL, September 2003.
Long,
L.N., Wilson, J.F., and Fritz, T.E., "Arbitrary
Motion Aerodynamics using an Object-Oriented Vortex Method
with Integrated Graphics," Proceedings of
the 16th AIAA Computational Fluid Dynamics Conference,
Orlando,FL, June 23-26, 2003.
Maughmer,
M.D., Lesieutre, G.A., Bramesfeld, G., Thepvongs, S., Anderson,
W., and Kinzel, M., “Miniature Trailing-Edge
Effectors for Rotorcraft Applications,” Presented
at the American Helicopter Society 59th Annual Forum,
Phoenix, AZ, May, 6-8, 2003.
Ottman,
G., Hofmann H., and Lesieutre, G., “Optimized
Piezoelectric Energy Harvesting Circuit Using Step-Down
Converter in Discontinuous Conduction Mode,”
IEEE Transactions on Power Electronics, Vol. 18, No.
2, March 2003, pp. 696-703.
Shan,
Y. and Bakis, C.E., "Frequency and Temperature
Dependent Damping Behavior of Filament Wound Flexible Matrix
Composite Tubes," Proceedings of the SAMPE,
Dayton, OH, September 30, 2003.
Shin,
E., Wang, K.W. and Smith, E.C., "Characterization
of Flexible Matrix Composite Rotorcraft Driveshafts,"
Proceeding of the American Helicopter Society
59th Annual Forum, Vol. 2, pp. 1961-1968, Phoenix, AZ,
May 6-8, 2003.
Szefi,
J.T., Smith, E.C., and Lesieutre, G.A., "Design
and Analysis of High Frequency Periodically Layered Isolators
for Helicopter Gearbox Isolation," Proceedings
of the AIAA/ASME/AHS Adaptive Structures Forum, AIAA
Paper No. 2003-1784, Norfolk, VA, April 7-10, 2003.
Szefi,
J.T., Smith, E.C., and Lesieutre, G.A., “Design
Analysis, and Testing of High-Frequency Periodically Layered
Isolators with Passive Design Enhancements for Helicopter
Gearbox Isolation,” Proceeding of the
American Helicopter Society 59th Annual Forum, Vol.
1, pp. 32-45, Phoenix, AZ, May 6-8, 2003.
Szefi,
J.T., Smith, E.C. and Lesieutre, G.A., "Formulation
and Validation of a Ritz-Based Analytical Model for Design
of Periodically Layered Isolators in Compression,"
Journal of Sound and Vibration, Vol. 268, No. 1,
July 2003, pp. 85-101.
Zhang,
J., Wang, K., and Yu, H., "Active Coupling Enhancement
of Piezoelectric Networks for Vibration Delocalization of
Nearly Periodic Structures," 5056-22, Proceeding
of the SPIE Conference on Smart Structures and Materials,
San Diego, CA, 2003.
2002
Anusonthi-Inthra,
P., Gandhi, F., and Miller, L., “Reduction
of Helicopter Vibration through Cyclic Control of Variable
Orifice Dampers,” Proceeding of the American
Helicopter Society 58th Annual Forum, Vol. 1, pp. 1215-1234,
Montreal, Canada, June 11-13, 2002.
Brackbill,
C.R., Smith, E.C., and Lesieutre, G.A.,"Aeromechanical
Stability and Response of Helicopters with Interblade Elastomeric
Dampers," Proceeding of the American Helicopter
Society 58th Annual Forum, Vol. 2, pp. 2111-2121, Montreal,
Canada, June 11-13, 2002.
Brackbill,
C.R., Smith, E.C., and Lesieutre, G.A., "Application
of a Refined Time Domain Elastomeric Damper Model to Helicopter
Rotor Aeroelastic Response and Stability," Journal
of American Helicopter Society, Vol. 47, No. 3, July
2002, pp. 186-197.
Brentner,
K.S., Brès, G.A., Perez, G., and Jones, H.E., "Maneuvering
Rotorcraft Noise Prediction: A New Code for a New Problem,"
Presented at the AHS Aerodynamics, Acoustics, and Test
Evaluation Technical Specialists Meeting, San Francisco,
CA, January 23-25, 2002.
Brentner,
K.S., Edwards, B.D., Riley, R., and Schillings, J.,"Predicted
Noise for a Main Rotor with Modulated Blade Spacing,"
Proceeding of the American Helicopter Society 58th Annual
Forum, Vol. 2,pp. 1563-1572, Montreal, Canada, June
11-13, 2002.
Brentner,
K.S., Perez, G., Brès, G.A., and Jones, H.E., "Toward
A Better Understanding of Maneuvering Rotorcraft Nose,"
Proceeding of the American Helicopter Society 58th Annual
Forum, Vol. 2, pp. 1552-1562, Montreal, Canada, June
11-13, 2002.
Centolanza,
L.R., Smith, E.C., and Munsky, B., "Induced-Shear
Piezoelectric Actuators for Rotor Blade Trailing Edge Flaps,"
Journal of Smart Materials and Structures,
Vol. 11, No. 1, February 2002, pp. 24-35.
Corfeld,
K., Strawn, R., and Long, L.N., "Computational Analysis
of a Prototype Martian Rotorcraft Experiment,"
Applied Aerodynamics Conference, AIAA Paper No.
2002-2815, St. Louis, MO, June 24-26, 2002.
DeSmidt,
H.A., Wang, K .W., and Smith, E.C., "Coupled Torsion-Lateral
Stability of a Shaft-Disk System Driven through a Universal
Joint," ASME Journal of Applied Mechanics,
Vol. 69, No. 3, May 2002, pp. 261-273.
Gandhi,
F. and Chapuis, G., “Passive Damping Augmentation
of a Vibrating Beam using Pseudoelastic Shape Memory Alloy
Wires,” Journal of Sound and Vibration,
Vol. 250 No. 3, 2002, pp. 519-539.
Gandhi, F. and Munsky, B., “Effectiveness
of Active Constrained Layer Damping Treatments in Attenuating
Resonant Oscillations,” Journal of Vibration
and Control, Vol. 8, No. 6, 2002, pp.747-775.
Gandhi,
F.S. and Sekula, M.K., “Helicopter Vibration
Reduction using Fixed-System Auxiliary Moments,”
Proceeding of the American Helicopter Society 58th Annual
Forum, Vol. 2, pp. 1813-1829, Montreal, Canada, June
11-13, 2002.
Gandhi, F. and Anusonthi-Inthra, P., “Helicopter
Vibration Reduction using Discrete Controllable-Stiffness
Devices at the Rotor Hub” Journal of
Aircraft, Vol. 39, No. 4, July-August 2002, pp. 668-677.
Gandhi, F. and Munsky, B., “Comparison of
Damping Augmentation Mechanisms with Position and Velocity
Feedback in Active Constrained Layer Treatments,”
Journal of Intelligent Material Systems and Structures,
Vol. 13, No. 5, May 2002, pp. 259-326.
Hansen,
R.P. and Long, L.N., "Large Eddy Simulation of a
Circular Cylinder on Unstructured Grids," Presented
at the AIAA Aerospace Sciences Meeting, AIAA Paper No.
2002-0982, Reno, NV, January 14-17, 2002.
Hansen,
R.P., Long, L.N., and Dellert, T.A., "Experiences
using Flying Models in Competitions and Coursework,"
ASEE Region 12 Conference, March 2002.
Heverly,
D., Wang, K.W., and Smith, E.C., "A New Dual Stack
Piezoelectric Actuation Device with Improved Performance,"
Proceedings of the SPIE Conference on Smart Structures
and Materials, Vol. 4701, pp. 455-464, San Diego, CA,
2002.
Heverly,
D., Wang, K.W., and Smith, E.C., "Optimal Actuator
Placement and Active Structure Design for Control of Helicopter
Airframe Vibrations," Proceeding of the American
Helicopter Society 58th Annual Forum, Vol. 2, pp. 2149-2166,
Montreal, Canada, June 11- 13, 2002.
Horn,
J.F., "Rotor State Feedback for High Bandwidth Control
and Structural Load Limiting,"American Helicopter
Society Flight Controls and Crew System Design Specialists'
Meeting, Philadelphia, PA, October 2002.
Horn,
J.F., Calise, A.C., and Prasad, J.V.R, "Flight Envelope
Limit Detection and Avoidance for Rotorcraft,"
Journal of the American Helicopter Society, Vol.
47, No. 4, October 2002, pp.253-262.
Kang,
H., Smith, E.C., and Lesieutre, G.A., "The Effects
of a Chordwise Absorber on Blade Aeroelastic Stability,"
Proceedings of 42nd AIAA/ASME/ASCE/AHS/ASC Structures,
Structural Dynamics and Materials Conference, AIAA Paper
No. 2002-1433, Denver, CO, April 22-25, 2002.
Lee,
D. and Horn J.F., "Simulation and Control of Helicopter
Shipboard Launch and Recovery Operations," American
Helicopter Society Flight Controls and Crew System Design
Specialists' Meeting, Philadelphia, PA, October 2002.
Long,
L.N., "Year in Review: Computer Systems,"
Aerospace America , December 2002.
Liu,
Y. and Wang, K.W., "Enhanced Active Constrained
Layer Damping Treatment for Broadband Vibration Suppression,"
Journal of Vibration and Control, Vol. 8, 2002, pp.
777-803.
Mayrides,
B., Shan, Y., Bakis, C., Smith, E., and Wang., K., "Recent
Advances in the Evaluation of Flexible Composite Driveshafts
for Rotorcraft Applications," Presentation
at the National Technical Specialists Meeting on Rotorcraft
Structures and Survivability, Williamsburg, VA, October
25-27, 2005.
McCormick,
Barnes, "The Growth of Aerospace Education following
its Beginning," AIAA Aerospace Sciences Meeting,
Paper No. 2002-560, Reno, NV, January 14-17, 2002.
McCormick,
B., "A Numerical Analysis of Autogyro Performance,"
2002 Biennial International Powered Lift Conference and
Exhibit, Williamsburg, VA, November 5-7, 2002.
Modi,
A., Long, L.N., and Plassmann, P., "Real-Time Visualization
of Wake-Vortex Simulation using Computational Steering and
Beowulf Clusters," Proceedings of Vector-Parallel
Computing Conference, Portugal, June 2002.
Modi,
A., Long, L.N., Sezer-Uzol, N., and Plassmann, P., "A
Scalable Computational Steering System for Visualization
Large-Scale CFD Simulations," 32nd AIAA Fluid
Dynamics Conference, AIAA Paper No. 2002-2750, St. Louis,
MO, June 24-26, 2002.
Morgan,
R. and Wang, K.W., "Active-Passive Piezoelectric
Absorbers for Suppression of Multiple Non-Stationary Harmonic
Excitations," Journal of Sound and Vibration,
Vol. 255, No. 4, 2002, pp. 685-700.
Morgan,
R. and Wang, K.W., "An Active-Passive Piezoelectric
Vibration Absorber for Structural Control under Harmonic
Excitations with Time-Varying Frequency, Part 1: Algorithm
Development and Analysis," ASME Journal of Vibration
and Acoustics, Vol. 124, No. 1, 2002, pp. 77-83.
Morgan,
R. and Wang, K. W., "An Active-Passive Piezoelectric
Vibration Absorber for Structural Control under Harmonic
Excitations with Time-Varying Frequency, Part 2: Experimental
Validation and Parametric Study," ASME Journal
of Vibration and Acoustics, Vol. 124, No. 1, 2002, pp.
84-89.
Munsky,
B., Gandhi, F., and Tauszig, L., “An Analysis
of Helicopter Blade-Vortex Interaction Noise with Flight
Path or Attitude Modification,” Proceeding
of the American Helicopter Society 58th Annual Forum,
Vol. 2, pp. 1531-1551, Montreal, Canada, June 11-13, 2002.
Ottman,
G., Bhatt, A., Hofmann H., and Lesieutre, G.A.,
“Adaptive Piezoelectric Energy Harvesting Circuit
for Wireless Remote Power Supply,” IEEE
Transactions on Power Electronics, Vol. 17, No. 5,
September 2002, pp. 669-676.
Philen,
M. and Wang, K.W., "Active Stiffener Concept for
Shape Control of Two Dimensional Structures," Proceedings
of the ASME International Mechanical Engineering Congress
and Exposition, Adaptive Structures Symposium, Paper
AD-34001, New Orleans, LA, November 17-22, 2002.
Ramrakhyani,
D., Lesieutre, G.A., and Smith, E.C., "Efficient
Modeling Of Elastomeric Materials Using Fractional Derivatives
And Plastic Yielding," Proceedings of the 42nd
AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics
and Materials Conference, AIAA Paper No. 2002-1436,
Denver, CO, April 22-25, 2002.
Ramrakhyani,
D., Lesieutre, G.A., and Smith, E.C., "Efficient
Modeling Of Elastomeric Materials Using Non-Linear Fractional
Derivatives And Plastic Yielding," Society of
Engineering Science, 39th Annual Technical Meeting,
State College, PA, October 13-16, 2002.
Rusovici,
R., Dosch, J.J., and Lesieutre, G.A., “Design
Of Single-Crystal Vibration Absorbers,” Journal
of Intelligent Materials Systems and Structures, Vol.
13, No.11, November 2002, pp. 705-712.
Sahani,
N. and Horn J.F., "Collective Axis Cueing and Limit
Avoidance Algorithms for Carefree Maneuvering,"
American Helicopter Society Flight Controls and Crew
System Design Specialists' Meeting, Philadelphia, PA,
October 2002.
Sahasrabudhe,
V., Horn, J.F., Spaulding, R., Faynberg, A., and Sahani,
N., "Simulation Investigation of a Comprehensive
Collective-Axis Tactile Cueing System," Proceeding
of the American Helicopter Society 58th Annual Forum,
Vol. 1, pp. 559-568, Montreal, Canada, June 11-13, 2002.
Searjant,
R., Frecker, M., and Gandhi, F., "Optimal Design
of a Smart Conformable Rotor Airfoil," Proceedings
of the ASME International Mechanical Engineering Congress
and Exposition, Adaptive Structures Symposium, Paper
IMECE2002-34030, New Orleans, LA, November 17-22, 2002.
Shan,
Y. and Bakis, C.E., "Static and Dynamic Characterization
of a Flexible Matrix Composite Material," Proceedings
of the 58th Forum, American Helicopter Society, Vol.
1, pp. 1035-1040, Montreal, Canada, June 11- 13, 2002.
Souliez,
F., Long, L.N., Morris, P.J., and Sharma, A., "Landing
Gear Aerodynamic Noise Prediction using Unstructured Grids,"
International Journal of Aeroacoustics, Vol. 1,
No. 2, 2002, pp. 115-135.
Sullivan,
B.M., Edwards, B.D., Brentner, K.S. and Booth Jr., E.R.,
"A Subjective Test of Modulated Blade Spacing for
Helicopter Main Rotors," Proceeding of the
American Helicopter Society 58th Annual Forum, Vol.
2, pp. 1573-1580, Montreal, Canada, June 11- 13, 2002.
Szefi,
J., Smith, E., Mockensturm, E., and Wang, K., "Development
of High Authority Piezoelectric Actuators for Rotor Blades
with Trailing Edge Flaps," Presentation
at the 11th International Workshop on Rotorcraft Dynamics
and Aeroelasticity, Deerfield, FL, October 12-14, 2005.
Tsai,
M.S. and Wang, K.W., "A Coupled Robust Control-Optimization
Approach for Active-Passive Hybrid Piezoelectric Networks,"
Journal of Smart Materials and Structures, Vol. 11,
2002, pp. 389-395.
Zhang,
J. and Wang, K.W., "Electromechanical Tailoring
of Piezoelectric Networks for Vibration Delocalization of
Nearly-Periodic Structures," Proceedings of
the International Conference on Adaptive Structure Technology,
Potsdam-Berlin, Germany, 2002.
2001
Anusonthi-Inthra, P. and Gandhi, F., “Optimal
Control of Helicopter Vibration through Cyclic Variations
in Blade Root Stiffness,” Smart Materials
and Structures, Vol. 10, No. 1, February 2001, pp.
86-95.
Brackbill,
C.R., Smith, E.C., and Lesieutre, G.A., "Ground
and Air Resonance Behavior of Helicopters with Interblade
Elastomeric Dampers," Presented at the 9th International
Workshop on Aeroelasticity of Rotorcraft Systems, Ann
Arbor, MI, October 22-24, 2001.
DeSmidt,
H., Wang, K.W., and Smith, E.C., "Coupled Torsion-Lateral
Stability of a Shaft-Disk System Driven through a Universal
Joint," ASME Design Engineering Technical Conference,
DETC2001/VIB-21423, 2001.
Gandhi,
F., Wang, K.W., and Xia, L., "Magnetorheological
Fluid Damper Feedback Linearization Control for Helicopter
Rotor Application," Journal of Smart Materials
and Structures, Vol. 10, No. 1, February 2001, pp. 96-103.
Gandhi,
F., “Influence of Nonlinear Viscoelastic Material
Characterization on Performance of Constrained Layer Damping
Treatment,” AIAA Journal, Vol. 39,
No. 5, May 2001, pp. 924-931.
Garga,
A., Campbell, R., Byington, C., Kasmala, G., Lang, D., Lebold,
M., Banks, J., and Glenn F., "Diagnostic Reasoning
Agents Development for HUMS Systems,"
Proceeding of the American Helicopter Society 57th
Annual Forum,
Vol. 2, pp. 1268-1275, Washington DC, May 9-11, 2001.
Hathaway,
E. and Gandhi, F., “Concurrent Optimization
of Aeroelastic Couplings and Rotor Stiffness for the Alleviation
of Helicopter Aeromechanical Instability,”
Journal of Aircraft, Vol. 38, No. 1, January-February
2001, pp. 69-80.
Heverly,
D., Wang, K.W. and Smith, E.C., "An Optimal Actuator
Placement Methodology for Active Control of Helicopter Airframe
Vibrations," Journal of American Helicopter
Society, Vol. 46, No. 4, October 2001, pp. 251-261.
Horn,
J.F., Calise, A.C., and Prasad, J.V.R, "Flight Envelope
Cueing on a Tilt-Rotor Aircraft Using Neural Network Limit
Prediction," Journal of the American Helicopter
Society, Vol. 46, No. 1, January 2001, pp. 23-31.
Horn,
J.F. and Sahani, N., "Detection And Avoidance of
Main Rotor Hub Moment Limits on Rotorcraft," AIAA
Atmospheric Flight Mechanics Conference, AIAA Paper
No. 2001-4138, Montreal, Canada, August 6-9, 2001.
Kang,
H., Smith, E.C., and Lesieutre, G.A., "Helicopter
Blade Damping Using Embedded Chordwise Absorbers,"
Proceeding of the American Helicopter Society
57th Annual Forum, Vol. 1, pp. 197-211, Washington DC,
May 9-11, 2001.
Lesieutre,
G.A., Smith, E.C. and Kang, H., "Helicopter Blade
Lag Damping Using Embedded Chordwise Absorbers: Blade Aeroelastic
Stability," Presented at the 9th International
Workshop on Aeroelasticity of Rotorcraft Systems, Ann
Arbor, MI, October 22-24, 2001.
Lewis,
A.S., Sinha, A., and Wang, K.W., "Sliding Mode Output
Feedback Control of a Flexible Rotor via Magnetic Bearings,"
International Journal of Rotating Machinery, Vol.
7No. 2, 2001, pp.117-129.
Malovrh,
B. and Gandhi, F., “Mechanism Based Phenomenological
Models for the Pseudoelastic Hysteresis Behavior of Shape
Memory Alloys,” Journal of Intelligent
Material Systems and Structures, Vol. 12, No. 1, January
2001, pp. 21-30.
Malovrh,
B., Gandhi, F., and Tauszig, L., “Sensitivity
of Helicopter BVI-Induced Noise and Vibration to Variations
In Individual Interaction-Parameters,” Proceeding
of the American Helicopter Society 57th Annual Forum,
Vol. 1, pp. 575-587, Washington DC, May 9-11, 2001.
Morgan,
R. and Wang, K.W., "An Adaptable Active-Passive
Piezoelectric Absorber For Nonstationary Disturbance Rejection
-- Theory and Implementation," Proceedings of
the International Conference on Adaptive Structure Technology,
College Park, MD, 2001.
Ramrakhyani,
D., Lesieutre, G.A., and Smith, E.C., "Efficient
Modeling of Elastomeric Materials using Fractional Derivatives
and Plastic Yielding," Proceedings of AIAA Adaptive
Structures Forum /41th AIAA/ASME/ASCE/AHS/ASC Structures,
Structural Dynamics and Materials Conference, AIAA Paper
No. 2001-1592, Seattle, WA, April 16-19, 2001.
Rusovici,
R., Lesieutre, G.A., and Inman, D.J., “Modeling
of Shock Propagation and Attenuation in Viscoelastic Components,”
Shock and Vibration Digest, Vol. 8, No. 5, 2001,
pp. 287-302.
Sekula,
M.K. and Gandhi, F.S., “Evaluation of Vibration
Reductions and Changes In Trim Due To Helicopter Compounding,”
Proceeding
of the American Helicopter Society 57th Annual Forum,
Vol. 1, pp. 613-624, Washington DC, May 9-11, 2001.
Sharma,
A. and Long, L.N., "Airwake Simulations on an LPD
17 Ship," AIAA Computational Fluid Dynamics
Conference, AIAA Paper No. 2001-2589, Anaheim, CA,
June 11-14, 2001.
Stevens,
P. and Smith, E., "Active Interrogation of
Helicopter Main Rotor Faults Using A Trailing Edge Flap
Actuation," Proceeding
of the American Helicopter Society 57th Annual Forum,
Vol. 2, pp. 1843-1863, Washington DC, May 9-11, 2001.
Szefi,
J.T., Smith, E.C., and Lesieutre, G.A., "Formulation
and Validation of a Ritz-Based Analytical Model for Design
of Periodically Layered Isolators in Compression,"
Proceedings of AIAA Adaptive Structures Forum /41th AIAA/ASME/ASCE/AHS/ASC
Structures, Structural Dynamics and Materials Conference,
AIAA Paper No. 2001-1684, Seattle, WA, April 16-19, 2001.
Tang,
J. and Wang, K.W., "Vibration Confinement via Optimal
Eigenvector Assignment and Piezoelectric Networks,"
ASME Design Engineering Technical Conference, DETC
2001/ VIB-21474, 2001.
Tauszig, L. and Gandhi, F., “Influence of
Blade-To-Blade Dissimilarity on Alleviation of Helicopter
Blade-Vortex Interactions,” Mathematical
and Computer Modelling, Vol. 33, Nos. 10-11, May-June
2001, pp. 1139-1154.
2000
Ahuja, V., Ozyoruk, Y., and Long, L.N., "Computational
Simulations of Fore and Aft Radiation from Ducted Fans,"
Presented at the AIAA Aeroacoustics Conference, AIAA
Paper No. 2000-1943, Lahaina, Hawaii, June 12-14, 2000.
Anusonthi-Inthra,
P. and Gandhi, F., “Helicopter Vibration Reduction
through Cyclic Variations in Rotor Blade Root Stiffness,”
Journal of Intelligent Material Systems and
Structures, Vol. 11, No. 2, February 2000, pp. 153-166.
Badre
Alam, A., Gandhi, F., and Wang, K., "An Improved
Constrained Layer Damping Treatment Design for High Damping
and Low Interlaminar Stresses," Proceedings
of the SPIE Conference on Smart Structures and Materials,
Vol. 3989, pp. 2-13, Newport Beach, CA, March 2000.
Brackbill,
C., Lesieutre, G.A., Smith, E.C., and Ruhl, L.E., "Characterization
and Modeling of the Low Strain Amplitude and Frequency Dependent
Behavior of Elastomeric Damper Materials,"
Journal of the American Helicopter Society, Vol. 45,
No. 1, January 2000, pp. 34-42.
Brackbill,
C.R., Smith, E.C., and Lesieutre, G.A., "Helicopter
Response and Stability Using a Refined Time Domain Elastomeric
Damper Model," Proceedings of the 41th AIAA/ASME/ASCE/AHS/
ASC Structures, Structural Dynamics and Materials Conference,
Atlanta, GA, April 3-6, 2000.
Brentner,
K.S., "Modeling Aerodynamically Generated Sound:
Recent Advances in Rotor Noise Prediction," Proceedings
of he AIAA 38th Aerospace Sciences Meeting, AIAA Paper
No. 2000-0345, Reno, NV, January 10-14, 2000.
Brentner,
K.S. and Jones, H.E., "Noise Prediction for Maneuvering
Rotorcraft," Presented at the 6th AIAA/CEAS
Aeroacoustics Conference, Lahaina, Hawaii, June 12-14,
2000.
Davis,
C.L. and Lesieutre, G.A., “An Actively Tuned
Solid State Vibration Absorber Using Capacitive Shunting
of Piezoelectric Stiffness,” Journal
of Sound and Vibration, Vol. 232, No. 3, May 4, 2000,
pp. 601-617.
Galante,
T., Frank, J., Bernard, J., Chen, W., Lesieutre, G., and
Koopmann, G., “A High-Force,
High-Displacement Piezoelectric Inchworm Actuator,”
Journal of Intelligent Materials Systems and
Structures, Vol. 10, No. 12, December 2000, pp. 962-972.
Gandhi,
F. and Tauszig, L., “A Critical Evaluation
of Various Approaches for the Numerical Detection of Helicopter
Blade-Vortex Interactions,” Journal of
the American Helicopter Society, Vol. 45,
No. 3, July 2000, pp. 179-190.
Hansen,
R.P. and Long, L.N., "Steady And Unsteady Laminar
Flow Simulations Using The Nonlinear Disturbance Equations,"
Presented at the AIAA Aeroacoustics Conference, AIAA
2000-1981, June 2000.
Keller,
J.A. and Smith E.C., "Control of the Transient
Aeroelastic Response of Rotors During Shipboard Engagement
Operations," Presented at the American
Helicopter Society Aeromechanics Specialists Meeting, Atlanta,
GA, November 13, 15, 2000.
Liu,
Y. and Wang, K.W., "Active-Passive Hybrid Constrained
Layer for Structural Damping Augmentation," ASME
Journal of Vibration and Acoustics, Vol. 122, No. 3,
2000, pp. 254-262.
Long,
L.N. and Brentner, K.S., "Self-Scheduling Parallel
Methods for Multiple Serial Codes with Application to WOPWOP,"
AIAA-2000-0346, Presented at the AIAA 38th Aerospace
Sciences Meeting and Exhibit, Reno, NV, January 10-14,
2000.
Long,
L.N., "A Nonconservative Nonlinear Flowfield Splitting
Method for 3-D Unsteady Fluid Dynamics," Presented
at the AIAA Aeroacoustics Conference, AIAA Paper No.
2000-1998, Lahaina, Hawaii, June 12-14, 2000.
Long,
L. and Sezer-Uzol, N., "High-Accuracy Wake And Vortex
Simulations Using A Hybrid CFD / DV Method," Presented
at the AIAA Aeroacoustics Conference, AIAA Paper No.
2000-2029, Lahaina, Hawaii, June 12-14, 2000.
Modi,
A. and Long, L., "Unsteady Separated Flow Simulations
using a Cluster of Workstations," Proceedings
of the Aerospace Sciences Meeting, AIAA Paper No. 2000-0272,
Reno, NV, January 10-13, 2000.
Morgan,
R., Wang, K.W., and Tang, J., "Active Tuning and
Coupling Enhancement of Piezoelectric Vibration Absorbers
for Variable-Frequency Harmonic Excitations in Multiple
Degrees of Freedom Mechanical Systems," Proceedings
of the SPIE Conference on Smart Structures and Materials,
Vol. 3985, pp. 497-509, 2000.
Ozyoruk,
Y. and Long, L., "Time-Domain Calculation of
Sound Propagation in Lined Ducts with Sheared Flows,"
AIAA Journal, Vol. 38, No. 5, May 2000, pp. 768-773.
Ramrakhyani,
D.S. , Brackbill, C.R., Lesieutre, G.A., and Smith, E.C.,
"Nonlinear Modeling of Elastomeric Materials for
Helicopter Dampers," Presented at the Advances
in Elastomeric Composites, ACS 158th Fall Technical Meeting,
Cincinnati, OH, October 17-20, 2000.
Singer,
B.A., Brentner, K.S., Lockard, D.P., and Lilley, G.M., "Simulation
of Acoustic Scattering from a Trailing Edge," Journal
of Sound and Vibration, Vol. 230, No. 3, February 2000,
pp. 541-560.
Singer,
B.A., Lockard, D.P., and Brentner, K.S., "Computational
Aeroacoustics Analysis of Slat Trailing-Edge Flow,"
AIAA Journal, Vol. 38, No. 9, September 2000, pp.
1558-1564.
Szefi,
J.T., Smith, E.C. and Lesieutre, G.A., "Analysis
and Design of High Frequency Periodically Layered Isolators
in Compression," Proceedings of the 41th AIAA/ASME/ASCE/
AHS/ASC Structures, Structural Dynamics and Materials Conference,
Vol. 1, pp. 306-321, Atlanta, GA, April 3-6, 2000.
Tang,
J., Liu, Y., and Wang, K.W., "Semi-Active and Active-Passive
Hybrid Structural Damping reatments via Piezoelectric Materials,"
Shock and Vibration Digest, Vol. 32, No. 3, 2000,
pp. 189-200.
Tang,
J. and Wang,K.W., "High Authority and Nonlinearity
Issues in Active-Passive Hybrid Piezoelectric Networks for
Structural Damping," Journal of Intelligent
Material Systems and Structures, Vol. 11, No. 3, 2000,
pp. 581-591.
Wang,
K.W., "Recent Advances in Vibration Control with
Active-Passive Hybrid Piezoelectric Networks,"
Invited Paper SI-2 at the International Symposium on
Smart Structures and Microsystems, Hong Kong, October
2000.
Zhang,
J., Smith, E.C., and Wang, K.W., "Active-Passive
Hybrid Optimization of Rotor Blades with Trailing Edge Flaps,"
Proceeding of the American Helicopter Society
56th Annual Forum, Vol. 2, pp.822-838, Virginia Beach,
VA, May 2-4, 2000.
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