Department of Aerospace Engineering

Journal Publications

Han, D., Rahn, C.D., and Smith, E.C., Higher Harmonic Pitch Link Loads Reduction Using Fluidlastic Isolators,” Journal of Aerospace Engineering, Accepted for publication, December 2012.

Han, D., Wang, J., Smith, E.C., and Lesieutre, G., Transient Loads Control of a Variable Speed Rotor During Lagwise Resonance Crossing,” AIAA Journal, Vol. 51, (1), January 2013.

Romano, P.Q., Conlon, S.C., and Smith, E.C., “Investigation of Contact Acoustic Nonlinearities on Metal and Composite Airframe Structures via Intensity Based Health Monitoring,” J. Acoust. Soc. Am. 133 (1), January 2013.

Chen, Y., Qiu, J, Palacios, J, and Smith, E.C., “Tracking Control of Piezoelectric Stack Actuator Using Modified Prandtl–Ishlinskii Model,” Journal of Intelligent Material Systems and Structures, (0), (0) published online), August 2012.

Palacios, J., Han, Y., Brouwers, E., Smith, E., “Icing Environment Rotor Test Stand Liquid Water Content Measurement Procedures and Ice Shape Correlation,” American Helicopter Society Journal, Volume 57, Number 2, April 2012.

Palacios, J., Smith, E., Rose, J., and Royer, R., “Instantaneous De-Icing of Freezer Ice via Ultrasonic Actuation,” AIAA Journal, Vol. 49 No. 6, June 2011, pp. 1158-1167.

Palacios, J., Smith, E., Rose, J., and Royer, R., “Ultrasonic De-Icing of Wind-Tunnel Impact Icing,” Journal of Aircraft, Vol. 48 No. 3, May-June 2011, pp. 1020-1027.
Scarborough, L., Rahn, C., and Smith, E.C., “Fluidic Composite Tunable Vibration Isolators,” Journal of Vibration and Acoustics, 2011.

Semperlotti, F., Wang, K.W., and Smith, E.C., “Localization of a Breathing Crack Using Nonlinear Subharmonic Response Signals,” Applied Physics Letters, Vol. 95 No. 25, December 2009.

Han, D. and Smith E.C., “Lagwise Loads Analysis of a Rotor Blade with an Embedded Chordwise Absorber,” Journal of Aircraft, Volume 46, No. 4, July-August 2009, pp. 1280-1290.

Semperlotti, F., Wang, K.W., and Smith, E.C., “Identification of the Location of a Breathing Crack using Super-Harmonics Response Signals due to System Nonlinearity”, AIAA Journal, Vol. 47 No. 9, 2009.

DeSmidt, H.A., Wang, K.W., and Smith, E.C., “Multiharmonic Adaptive Vibration Control of Misaligned Driveline via Active Magnetic Bearings,” Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME, Vol. 130, No. 4, July 2008, pp. 041006.1 – 041006.13.

DeSmidt, H.A., Wang, K.W., and Smith, E.C., “Robust-Adaptive Magnetic Bearing Control of Flexible Matrix Composite Rotorcraft Driveline,” Journal of the American Helicopter Society, Vol. 53, No. 2, April 2008, pp. 115-124.

Howard, A.K.T. and Smith, E.C., “Prediction of Air and Ground Resonance Stability of Soft-Inplane Tiltrotors Using a Semispan Analytical Model,” Journal of the American Helicopter Society, Vol. 53, No. 2, April 2008, pp. 164-178.

Kim, J.S., Cho, M., and Smith, E.C., “An Asymptotic Analysis of Composite Beams with Kinematically Corrected End Effects,” International Journal of Solids and Structures, Vol. 45, April 2008, pp. 1954-1977.

Kim, J.S., Wang, K.W., and Smith, E.C., “Synthesis and Control of Piezoelectric Resonant Actuation Systems with Buckling Beam Motion Amplifier,” AIAA Journal, Vol. 46, No. 3, March 2008, pp. 787-791.

Kim, J.S., Wang, K.W., and Smith, E.C., “Development of a Resonant Trailing-Edge Flap Actuation System for Helicopter Rotor Vibration Control,” Journal of Smart Materials and Structures, Vol. 16, October 2007, pp. 2275-2285.

Kang, H., Smith, E.C., and Lesieutre, G.A., “Experimental and Analytical Study of Blade Lag Damping Augmentation Using Chordwise Absorbers,” Journal of Aircraft, Vol. 43, No. 1, January-February 2006.

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.

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.

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 Structures, Vol. 15, July 2004, pp. 565-574.

Ramrakhyani, 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.

Zhang, J., Smith, E.C., and Wang, K.W., “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.

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.

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.

Szefi, J.T., Smith, E.C., and Lesieutre, G.A., “Formulation and Validation of A Ritz- Based Analytical Model Of High Frequency Periodically-Layered Isolators in Compression,” Journal of Sound and Vibration, Vol. 268, No.1, July 2003, pp. 85-1001.

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 the American Helicopter Society, Vol. 47, No.3, July 2002, pp. 186- 197.

DeSmidt, H.A., Wang, K.W., and Smith E.C., “Coupled Torsion-Lateral Stability of a Shaft-Disk System Drive Through a Universal Joint,” Journal of Applied Mechanics, Vol. 69, No. 3, May 2002, pp. 261-273.

Centolanza, L.R., Smith, E.C., and Morris A., “Induced-Shear Piezoelectric Actuators For Rotor Blade Trailing Edge Flaps and Active Tips,” Journal of Smart Materials and Structures, Vol. 11, No. 1, February 2002, pp. 24-35.

Heverly, D., Smith, E.C., and Wang, K.W., “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.

Brackbill, C.R., 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.

Keller, J.A., and Smith, E.C., “Experimental and Theoretical Correlation of Helicopter Rotor Blade-Droop Stop Impact,” Journal of Aircraft, Vol. 36, No. 2, March – April 1999, pp. 443-450.

Geyer Jr., W.P, Smith, E.C., and Keller, J.A., “Aeroelastic Analysis of Transient Blade Dynamics During Shipboard Engage/Disengage Operations,” Journal of Aircraft, Vol. 35, No. 3, May-June 1998, pp. 445-453.

Floros, M.W., and Smith, E.C., “Finite Element Modeling of Open-Section Composite Beams with Warping Restraint Effects,” AIAA Journal, Vol. 35, No. 8, August 1997, pp. 1341-1347.

Brackbill, C.R., Lesieutre, G.A., and Smith, E.C., and Govindswamy, K., “Thermomechanical Modeling for Elastomeric Materials,” Journal of Smart Materials and Structures, Vol. 5, No. 5, October 1996, pp. 529-539.

Smith, E.C., Govindswamy, K., Beale, M.R., and Lesieutre, G.A., “Formulation Validation, and Application of a Finite Element Model for Elastomeric Lag Dampers,” Journal of the American Helicopter Society, Vol. 41, No. 3, July 1996, pp. 247-256.

Smith, E.C., Govindswamy, K., Beale, M.R., Vascsinec, M.J., and Lesieutre, G.A., “Aeroelastic Response and Stability of a Helicopter with Elastomeric Lag Dampers,” Journal of the American Helicopter Society, Vol. 41, No. 3, July 1996, pp. 257-266.

Smith, E.C., “Vibration and Flutter of Stiff-Inplane Elastically Tailored Composite Rotor Blades”, Mathematical and Computer Modelling: Special Edition on Rotorcraft Modelling, Vol. 20, No. 1 & 2, February 1994.

Smith, E.C. and Chopra, I., “Air and Ground Resonance of Helicopters with Elastically Tailored Composite Blades,” Journal of the American Helicopter Society, Vol. 38, No. 4, October 1993, pp. 50-61.

Smith, E.C. and Chopra, I., “Aeroelastic Response, Loads, and Stability of a Composite Rotor in Forward Flight”, AIAA Journal, Vol. 31, No. 7, July 1993, pp. 1265-1273.

Smith, E.C. and Chopra, I., “Formulation and Evaluation of an Analytical Model for Composite Box-Beams,” Journal of the American Helicopter Society, Vol. 36, No. 3, July 1991, pp. 23-35.

Bhagat, R.B., Amateau, M.F., and Smith, E.C., “Damping Behavior of Planer Random Carbon Fiber Reinforced 6061 Al Matrix Composites Fabricated by High Pressure Infiltration Casting,” ASTM Journal of Composites Technology Research , Vol. 11, No. 3, Fall 1989.

Bhagat, R.B., Amateau, M.F., and Smith, E.C., “Damping Behavior of Mechanically Alloyed Aluminum and Aluminum Matrix Composites,” International Journal of Powder Metallurgy, Vol. 25, No. 1-4, October 1989.

Conference Papers and Seminar Presentations

 Scarborough III, L.H., Rahn, C.D., Smith, E.C., and Koudela, K.L., “Coupled Pitch Links for Multi-Harmonic Isolation Using Fluidic Circuits,” Proceedings of the ASME 2012 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, Chicago, IL, August 12-15, 2012.

Kurczewski, N. A., Scarborough III, L. H., Rahn, C. D., and Smith, E. C., “Coupled Fluidic Vibration Isolators for Rotorcraft Pitch Link Loads Reduction”. Proceedings of the International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, Chicago, IL, August, 2012.

Conlon, S.C., Evans, S.S., Smith, E.C., Romano, P.Q., and Barnard, A.R., “OH-58 Tailboom Damage Detection Study,” Proceedings of the American Helicopter Society 68th Annual Forum, Fort Worth, Texas, May 1 – 3, 2012.

Miller, S.W., Little, E.J., Yukish, M.A., Bakis, C.E., and Smith, E.C., “ Rate Effects and Environmental Sensitivity of Textile Energy Absorbers,” Proceedings of the American Helicopter Society 68th Annual Forum, Fort Worth, Texas, May 1 – 3, 2012.

Han, Y., Palacios, J., and Smith, E., “An Experimental Correlation between Rotor Test Stand and Wind Tunnel Ice Shapes on NACA 0012 Airfoils,” SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Paper number: 2011-38- 0092, Chicago, IL, June 13-17, 2011.

Overmeyer, A., Palacios, J., Roger, R., Smith, E., “Rotating Testing of a Low-Power, Non-Thermal Ultrasonic Deicing System for Helicopter Rotor Blades,” SAE 2011 International Conference on Aircraft and Engine Icing and Ground Deicing, Paper number: 2011-38-0098, Chicago, IL, June 13-17, 2011.

Brouwers, E., Peterson, A., Palacios, J., Centolanza, L., “Ice Adhesion Strength Measurements for Rotor Blade Edge Materials,” Proceedings of the 67th American Helicopter Society Forum, Virginia Beach, VA, May 3-5, 2011.

Han, D., Smith, E. C. and Rahn, C. D., “Pitch Link Loads Analysis of a Variable Speed Rotor,” Proceedings of the 67th American Helicopter Society Forum, Virginia Beach, Virginia, May 3-5, 2011.

Marr, C., Smith, E., Lesieutre, G., & Fuhrer. Z., Multi-State Lead-Lag Damper Development and Validation, Proceedings of the 67th American Helicopter Society Forum, Virginia Beach, VA, May 3-5, 2011.

Palacios, J., Kinzel, M., Overmeyer, A., Szefi, J., “A Comparison of Active Gurney Flaps and Trailing-Edge Flaps for Rotorcraft,” Proceedings of the 67th American Helicopter Society Forum,Virginia Beach, VA, May 3-5, 2011.

Slaby, J. and Smith, E., “Aeroelastic Stability of Folding Tiltrotor Aircraft in Cruise Flight with Composite Wings,” 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Denver, Colorado, April 4-7, 2011.

Han, D., Rahn, C. D. and Smith, E. C., “Loads Reduction using Coupled Fluidic Pitch Links,” 52nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference, Denver, Colorado, April 4-7, 2011.

Zhang J. and Smith, E., “Studies of a Ducted Rotor with Exit Vane Controls”, The International Powered Lift Conference, October 5-7, 2010, Philadelphia, PA.

Scarborough III, L., Rahn, C. and Smith, E., “Fluidic Composite Tunable Vibration Isolators,” Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Philadelphia, PA, September 28 - October 1, 2010.

Kong, W. Smith, E., Yukish, M., Stump, G. & Bakis, C., “Optimization Study of Energy Absorbing Cargo Restraint Systems”, 2010 International Crashworthiness Conference, No. 2010-109, Leesburg, VA, September 22-24, 2010.

Brouwers, E., Palacios, J., Peterson A. & Smith, E., “The Experimental Investigation of a Rotor Icing Model with Shedding”, Proceedings of the 66th American Helicopter Society Forum, Phoenix, AZ, May 11-13 2010.

Conlon, S.C., Shepherd, M.R., Hines, J.A., Barnard, A.R., Semperlotti, F., Romano, P.Q., and Smith, E.C., “Development of an Airframe Intensity Based Structural Health Monitoring System”, Proceedings of the 66th American Helicopter Society Forum, Phoenix, AZ, May 11-13 2010.

Palacios, J., Brouwers, E., Han, Y., Smith, E., “Adverse Environment Rotor Tests Stand Calibration and Ice Shape Correlation,”  Proceedings of the 66th American Helicopter Society Forum, Phoenix, AZ, May 11-13 2010.

Saribay Z.B., Bill R.C., Rao S., and Smith E.C., “Elastohydrodynamic Lubrication Analysis of Face-Gear-Pair Meshing Concept for Nutating Gear Mechanisms and Pericyclic Variable Speed Transmission,” Proceedings of the 66th American Helicopter Society Forum, Phoenix, AZ, May 11-13, 2010.

Zhu, Y., Palacios, J., Smith E. and Rose, J., “Tailored Waveguide De-Icing for Helicopter Blade Skin with Ultrasonic Guided Waves,” Proceedings of 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA-2010-3043, Orlando, Florida, April 12-15, 2010

Narayanan Nampy S. and Smith, E., “Stiffness Analysis of Closed Cross-Section Composite Grid-Stiffened Cylinders,” Proceedings of 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA-2010-2786, Orlando, Florida, Apr. 12-15, 2010.

Han, D. and Smith, E., “Pitch Link Loads Reduction Using Fluidlastic Isolators,” AHS Specialists Conference on Aeromechanics,” San Francisco, CA, January 20-22, 2010.

Han, D., Wang, J., Smith, E. and Lesieutre, G., “Transient Loads Control of a Variable Speed Rotor During Lagwise Resonance Crossing”, AHS Aeromechanics Specialist Conference, San Francisco, CA, January 20-22, 2010.

Sollenberger, S. G., Bail, J. L, Kohlman, L., Ruggeri, C. R., Bakis, C. E., Roberts, G. D., and Smith, E. C., “Ballistic Impact Tolerance of Filament-Wound Composite Tubes with Rigid and Flexible Matrix Material,” Proceedings of 25th Technical Conference American Society for Composites, J. B. Lanz, N. Takeda, B. M. Doudican, G. A. Schoeppner, and S L. Donaldson, Eds., DEStech Publications, Lancaster, PA, 2010, ISBN 978-1-60595-025-9, Paper No. 1183, 12 p. (CD ROM).

Nampy, S.N. and Smith, E.C., “An Innovative Structural Design Concept for Heavy-Lift Rotor Blades,” Presented at the Technical Specialists Meeting on Rotorcraft Structures and Survivability The Hampton Roads Chapter of the American Helicopter Society, Williamsburg, VA, October 27-29, 2009.

Han, D. and Smith, E.C., “Lagwise Resonance Crossing Analysis of Variable Speed Rotor,” The 3rd International Basic Research Conference on Rotorcraft Technology, Nanjing, China, October 14-16, 2009.

Saribay Z.B., Bill R.C., Rao S., and Smith E.C., “Concept of Meshing Conjugate Face- Gear Pairs for Nutating Gear Mechanisms and the Pericyclic Variable Speed Transmission,” The 3rd AHS International Basic Research Conference on Rotorcraft Technology, Nanjing, China, October 14-16, 2009.

Zhu, Y., Palacios, J., Smith, E., and Rose, J., “Influence of Tailored Waveguides on the Ultrasonic De-Icing Stresses of Aluminum Panels,” The 3rd International Basic Research Conference on Rotorcraft Technology, Nanjing, China, October 14-16, 2009.

Lotfi-Gaskarimahalle, A., Scarborough III, L., Rahn, C., and Smith, E., “Fluidic Composite Tuned Vibration Absorbers,” Proceedings of Smart Materials Adaptive Structures and Intelligent Systems, Oxnard, CA, September 20-24, 2009.

Montanye, P.L., Smith, E.C., Rahn, C.D., and Conlon, S.C., “Shipboard Helicopter Gust Response Alleviation Using Active Trailing Edge Flaps”, Proceedings of the 65th American Helicopter Society Forum, Grapevine, Texas, May 27-29, 2009, Vol. 2, Pages 1604-1616.

Sollenberger, S.G., Bakis, C.E., and Smith, E.C., “Effect of Stress Concentrations in Flexible Matrix Composite Driveshafts”, Proceedings of the 65th American Helicopter Society Forum, Grapevine, Texas, May 27-29, 2009, Vol. 2, Pages 1054-1060.

Tiwari, C., Smith, E.C., and Bakis, C.E., “Multi-Mechanism Energy Absorption in Extension-Twist Coupled Composite Tubes”, Proceedings of the 65th American Helicopter Society Forum, Grapevine, Texas, May 27-29, 2009, Vol. 2, Pages 1533- 1550.

Zhang, J., and Smith, E.C., “Aeroelastic and Structural Analysis of Ducted Composite Rotors in Edgewise Flight,” Proceedings of the 65th American Helicopter Society Forum, Grapevine, Texas, May 27-29, 2009, Vol. 1, Pages 667-676.

Tiwari, C., Smith, E.C., and Bakis, C.E., “Energy Absorption and Load Limiting via Extension-Torsion Coupled Stitch Ripping Composite Tubes,” Proceedings of the 50th AIAA Structures Structural Dynamics and Materials Conference, Palm Springs, CA, May 4-7, 2009.

Semperlotti, F., Schmidt, W.T., Smith, E.C., Conlon, S.C., and Banks, J.C., “A Parametric Study for a Structural Intensity based Damage Detection Technique”, AHS Specialists' Meeting on Condition Based Maintenance, Huntsville, Alabama, February 10-11, 2009, Pages 79-94.

Saribay, Z., Bill, R., Smith, E., Rao, S., Wang, K., “Design Analysis of Pericyclic Variable-Speed Transmission System for a 600 HP Class Unmanned Rotorcraft,” Proceedings of the American Helicopter Society International - International Specialists Meeting on Unmanned Rotorcraft, Phoenix, AZ, January 20-22, 2009, Pages 529-545.

Tiwari, C ., Smith, E.C., Bakis, C.E., “Innovative Energy Absorbing Composite Tubes Incorporating Extension-Torsion Coupling, Stitch Ripping, and Foam Crushing,” IUTAM-MMSS2008 Conference; IUTAM Symposium on Multi Functional Material Structures and Systems, Bangalore, India, December 10 - December 13, 2008.

Kong, W., Tiwari, C., Hagon, M., Bakis, C.E., Smith, E.C., and Yukish, M.A., “Innovative Energy Absorbing Mounting Systems for High Mass Rotorcraft Payloads,” Poster FP-09, 26th Army Science Conference, Orlando, FL, December 1 - 4, 2008.

Nampy, S., Smith, E., and Bakis, C., “Next Generation Rotor Blades with Helical Grid- Stiffened Spar,” American Helicopter Society International Southwest Region Specialists Meeting on Next Generation Vertical Lift Technologies, Dallas-Fort Worth, Texas, October 15-17 2008, Pages. 96-124.

Hagon, M.J., William K., Bakis, C.E., Yukish, M.A., and Smith E.C., “Energy-Absorbing Textile Devices for Heavy Cargo Restraints,” Proceedings of the 64th American Helicopter Society Forum, Montreal, Canada, April 29 - May 1, 2008.

Marr, C., Lesieutre, G.A., and Smith, E.C., “Nonlinear, Temperature-Dependent, Fluidlastic Lead-Lag Damper Modeling,” Proceedings of the 64th American Helicopter Society Forum, Montreal, Canada, April 29 - May 1, 2008, Vol. 3, Pages 2370-2381.

Palacios, J.L., Smith, E.C., and Rose, J.L., “Investigation of an Ultrasonic Ice Protection System for Helicopter Rotor Blades,” Proceedings of the 64th American Helicopter Society Forum, Montreal, Canada, April 29 - May 1, 2008.

Han, D., and Smith, E.C., “Lagwise Loads Analysis of a Rotor Blade with an Embedded Chordwise Absorber,” AIAA 2008-2182, Proceedings of the 49th Structural Dynamics and Materials Conference, Schaumburg, IL, April 7-10, 2008.

Nampy, S.N., and Smith, E.C., “Structural Behavior of Grid-stiffened Tubes Under Axial, Bending and Torsion Loads,” AIAA 2008-2169, Proceedings of the 49th Structural Dynamics and Materials Conference, Schaumburg, IL, April 7-10, 2008.

Zhu, Y., Palacios, J.L., Rose, J., and Smith, E.C., “De-Icing of Multi-Layer Composite Plates Using Ultrasonic Guided Waves,” AIAA 2008-1862, Proceedings of the 49th Structural Dynamics and Materials Conference, Schaumburg, IL, April 7-10, 2008.

Zhang, J., Smith, E.C., and Horn, J.F., “Dynamics of A Ducted Rotor in Forward Flight,” AHS Specialist's Conference on Aeromechanics, San Francisco, California, January 23- 25, 2008.

Hagon, M. J., Bakis, C.E., Yukish, M.A., and Smith, E.C., “A New Look at Lightweight Energy Absorbing Devices for Heavy Cargo Restraints,” Proceedings of the 63rd American Helicopter Society Annual Forum, Virginia Beach, Virginia, May 1-3, 2007.

Palacios, J.L., Smith, E.C., Zhu, Y., and Rose, J.L., “Global Ultrasonic Shear Wave Anti- Icing Actuator for Helicopter Blades,” Proceedings of the 63rd American Helicopter Society Annual Forum, Virginia Beach, Virginia, May 1-3, 2007.

Saribay, Z.B., Smith, E.C., Lemanski, A.J., Bill, R.C., Wang, K.W., and Rao, S., “Compact Pericyclic Continuously Variable Speed Transmission Systems: Design Features and High-Reduction Variable Speed Case Studies,” Proceedings of the 63rd American Helicopter Society Annual Forum, Virginia Beach, Virginia, May 1-3, 2007.

Walchko, J.C., Kim, J-S., Wang, K.W., and Smith, E.C., “Hybrid Feedforward-Feedback Control for Active Helicopter Vibration Suppression,” Proceedings of the 63rd American Helicopter Society Annual Forum, Virginia Beach, Virginia, May 1-3, 2007.

Kim, J-S., Wang, K.W., and Smith, E.C., “Synthesis and Control of Piezoelectric Resonant Actuation Systems with Buckling-Beam Motion Amplifier,” Proceedings of the 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Waikiki, Hawaii, April 23-26, 2007.

Badre-Alam, A., Lesieutre, G.A., McGuire, D., Smith, E.C., and Szefi, J.T., “Design of Fluidic, High Frequency Periodically Layered Isolators for Model 427 Gearbox Isolation,” Proceedings of the 62nd American Helicopter Society Forum, Phoenix, AZ, May 9 -11, 2006.

Centolanza, L., Mockensturm, E., Rehrig, P., Smith, E., Szefi, J., and Wang, K., “Development of a Novel High Authority Piezoelectric Actuator for Rotor Blades with Trailing Edge Flaps,” Proceedings of the 62nd American Helicopter Society Forum, Phoenix, AZ, May 9 -11, 2006.

Gao, H., Palacios, J.L., Rose, J.L., and Smith, E.C., “Ultrasonic Shear Wave Anti-Icing System for Helicopter Rotor Blades,” Proceedings of the 62nd American Helicopter Society Forum, Phoenix, AZ, May 9 -11, 2006.

Kim, J-S., Smith, E.C., and Wang, K.W., “Helicopter Blade Loads Control via Multiple Trailing-Edge Flaps,” Proceedings of the 62nd American Helicopter Society Forum, Phoenix, AZ, May 9 -11, 2006.

Lesieutre, G.A., Marr, C., Smith, E.C., and Szefi, J.T., “Time Domain Fluidlastic® Lag Damper Modelin,” Proceedings of the 62nd American Helicopter Society Forum, Phoenix, AZ, May 9 -11, 2006.

Narayanan Nampy, S., Smith, E.C., “Design Evaluation of Model and Full-Scale Flexible Matrix Composite Tiltrotor Blades with Extension-Twist Coupling,” Proceedings of the 62nd American Helicopter Society Forum, Phoenix, AZ, May 9 -11, 2006.

Zhang, J. and Smith E.C., “Structural Design and Optimzation of Composite Blades for a Low Weight Roto,” 2nd International Basic Research Conference on Rotorcraft Technology, Nanjing, China, November 7-9, 2005.

Kim, J.S., Wang, K.W., and Smith, E.C., “Design and Analysis of Piezoelectric Transducer Based Resonant Actuation Systems,” IMECE2005-80335, ASME IMECE 2005, Orlando, FL, November 6-11, 2005.

Mayrides, B.D., Shan, Y., Bakis, C.E., Smith, E.C., and Wang, K.W., “Recent Advances in the Evaluation of Flexible Composite Driveshafts for Rotorcraft Applicaitons,” National Technical Specialists” Meeting on Rotorcraft Structures and Survivability, Williamsburg, VA, October 25-27, 2005.

Nampy, S.N., Smith, E.C., Shan Y., and Bakis, C.E., “Extension-Twist Coupled Tiltrotor Blades using Flexible Matrix Composites,” National Technical Specialists” Meeting on Rotorcraft Structures and Survivability, Williamsburg, VA, October 25-27, 2005.

Smith, E.C. and Zhang, J., “Structural Design and Analysis of Composite Blades for Weight Reduction,” National Technical Specialists” Meeting on Rotorcraft Structures and Survivability, Williamsburg, VA, October 25-27, 2005.

Kim, J.S., Smith, E.C., and Wang, K.W., “Active Loads Control via Mutiple Trailing- Edge Flaps,” 11th International Workshop on Rotorcraft Dynamics and Aeroelasticity, Deerfield Beach, FL, October 12-14, 2005.

Kim, J.S., Wang, K.W., and Smith, E.C., “Resonant Actuation Systems based on Smart Materials for Active Flap Rotors,” 11th International Workshop on Rotorcraft Dynamics and Aeroelasticity, Deerfield Beach, FL, October 12-14, 2005.

Marr, C. and Smith, E.C., “Recent Advances in Rotor Blade Lag Damping Devices: Embedded Damper Prototype Testing and Fluidlastic Damper Modeling,” 11th International Workshop on Rotorcraft Dynamics and Aeroelasticity, Deerfield Beach, FL, October 12-14, 2005.

Palacios, J.L., Gao, H., Smith, E.C., and Rose, J.L., “Horizontal Shear Wave Anti-Icing System For Helicopter Rotorblades,” 11th International Workshop on Rotorcraft Dynamics and Aeroelasticity, Deerfield Beach, FL, October 12-14, 2005.

Szefi, J.T., Mockensturm, E., Smith, E.C., and Wang, K.W., “Development of High Authority Piezoelectric Actuators for Rotor Baldes with Trailing Edge Flaps,” 11th International Workshop on Rotorcraft Dynamics and Aeroelasticity, Deerfield Beach, FL, October 12-14, 2005.

DeSmidt, H.A., Wang, K.W., and Smith, E.C., “Multi-Harmonic Adaptive Vibration Control of Misaligned Driveshaft Systems - An Experimental Study,” Proceedings of the 12th International Congress on Sound and Vibration, Lisbon, Portugal, July 2005.

Kim, J.S., Wang, K.W., and Smith, E.C., “Development of a Resonant Actuation System for Active Flap Rotors,” Proceedings of the 61st American Helicopter Society Forum, Grapevine, TX, June 1-3, 2005, Vol. 2, Pages 1627-1637.

Mayrides, B.D., Smith, E.C., and Wang, K.W., “Analysis and Synthesis of Highly Flexible Helicopter Drivelines with Flexible Matrix Composite Shafting,” Proceedings of the 61st American Helicopter Society Forum, Grapevine, TX, June 1-3, 2005, Vol. 2, Pages 1582-1595.

Petrie, J.S., Lesieutre, G.A., and Smith E.C., “Design and Model Testing of Helicopter Rotor Blade Lag Fluid Elastic Embedded Chordwise Inertial Dampers,” Proceedings of the 61st American Helicopter Society Forum, Grapevine, TX, June 1-3, 2005, Vol., 1 Pages 994-1004.

LeHen, F., Smith, E.C., Lesieutre, G.A., and Szefi, J.T., “Actively Enhanced Periodically Layered Isolator for Helicopter Gearbox Isolation,” AIAA Paper No. 2005-2250, 2005, Proceedings of the 46th AIAA/AHS/ASME/ASCE/ASC Structures, Structural Dynamics, and Materials Conference, Austin, TX, April 18-21, 2005.

Palacios, J.L. and Smith, E.C., “Dynamic Analysis and Experimental Testing of Thin- Walled Structures Driven by Shear Tube Actuators,” AIAA Paper No. 2005-2112, Proceedings of the 46th AIAA/AHS/ASME/ASCE/ASC Structures, Structural Dynamics, and Materials Conference, Austin, TX, April 18-21, 2005.

Sreenivas, N.N. and Smith, E.C., “Extension-Twist Coupled Tiltrotor Blades using Flexible Matrix Composites,” AIAA Paper No. 2005-2182, Proceedings of the 46th AIAA/AHS/ASME/ASCE/ASC Structures, Structural Dynamics, and Materials Conference, Austin, TX, April 18-21, 2005.

DeSmidt, H.A., Wang, K.W., and Smith, E.C., “Adaptive Control of Flexible Matrix Composite (FMC) Rotorcraft Driveslines,” Proceedings of the American Helicopter Society 60th Annual Forum, Baltimore, MD, June 8-10, 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, Baltimore, MD, June 8-10, 2004.

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 of45th AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 19-22, 2004.

Petrie, J.S., Lesieutre, G.A., and Smith, E.C., “Helicopter Blade Lag Damping Using Embedded Fluid Elastic Inertial Dampers,” Proceedings of45th AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 19-22, 2004.

Szefi, J.T., Lesieutre, G.A., and Smith, E.C., “Design and Testing Of A Compact Layered Isolator For High-Frequency Helicopter Gearbox Isolation,” Proceedings of45th AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 19-22, 2004.

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,” Proceedings of ASME Design Engineering Technical Conference, DETC2003/VIB- 48545, Chicago, IL, September 2-6, 2003.

DeSmidt, H.A., Wang, K.W., and Smith, E.C., and Provenza, A.J., “Stability Control of Driveline System with Internal Damping and Non-Constant Velocity Couplings,” Proceedings of ISCORMA Conference, Gdansk Poland, August 4-8, 2003.

Kim, J.S., Wang, K.W., and Smith, E.C., “Active Authority Enhancement of Piezoelectric Actuator Design via Mechanical Resonance and Electrical Tailoring,” Proceedings of the Fifth International Conference on Intelligent Materials, University Park, PA, June 14-17, 2003.

Shin, E., Wang, K.W., and Smith, E.C., “Characterization of Flexible Matrix Composite Rotorcraft Driveshafts,” Proceedings of the American Helicopter Society 59th Annual Forum, Phoenix, AZ, May 6-8, 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,” Proceedings of the American Helicopter Society 59th Annual Forum, Phoenix, AZ, May 6-8, 2003.

Kim, J.S., Smith, E.C., and Wang, K.W., “Active Loads Control of Composite Rotor Blade via Dual Trailing Edge Flaps,” Proceedings of the 44th AIAA/ASME/ASCE/ AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 7-10, 2003.

Szefi, J.T., Smith, E.C., and Lesieutre, G.A., “Design and Analysis of High-Frequency Periodically Layered Isolators for Helicopter Gearbox Isolation,” AIAA-2003-1784, Proceedings of the 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 7-10, 2003.

Centolanza, L., and Smith, E.C, “Induced-Shear Piezoelectric Actuators for Active Twist Rotor Blades,” AIAA-02-1446, 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Denver, CO, April 22-25, 2002.

Heverly II, D., Wang, K.W., and Smith, E.C., “A New Dual Stack Piezoelectric Actuation Device with Improved Performance, 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Denver, CO, April 22-25, 2002.

Kang, H.A., Smith, E.C., and Lesieutre, G.A., “The Effects of Embedded Chordwise Absorbers on Blade Aeroelastic Stability,” AIAA-02-1433, 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Denver, CO, April 22-25, 2002.

Ramrakhyani, D., Lesieutre, G.A., and Smith, E.C., “Efficient Modeling of Elastomeric Materials Using Fractional Derivatives and Plastic Yielding,” AIAA-02-1436, 43rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Denver, CO, April 22-25, 2002.

Brackbill, C., Smith, E.C., and Lesieutre, G.A., “Aeromechanical Stability and Response of Helicopters with Interblade Elastomeric Dampers,” Presented at the 9th Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 21-24, 2001.

Centolanza, L., Smith, E., “Induced-Shear Piezoelectric Actuators for Active Rotor Blade Twist,” Presented at the 9th Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 21-24, 2001.

Heverly II, D., Smith, E., and Wang, K., “Smart Fuselage Realization and Active Vibration Control of a Scaled Helicopter Tailboom Model,” Presented at the 9th Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 21-24, 2001.

Howard, A., and Smith, E., “Tiltrotor Air and Ground Resonance: Full-Span Model with Fuselage Motion,” Presented at the 9th Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 21-24, 2001 (First author supervised by candidate).

Kang, H., Smith, E., and Lesieutre, G., “Helicopter Blade Lag Damping Using Embedded Chordwise Absorbers,” Presented at the 9th Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 21-24, 2001.

Smith, E., “How to Tame a Wild Rotor with a Rubber Band,” Presented at the 9th Army Research Office Workshop on Aeroelasticity of Rotorcraft Systems, Ann Arbor, MI, October 21-24, 2001.

McCormick, B., and Smith, E.C., “Summary of Tiltrotor Vortex Ring Characteristics, Autorotation, and Aeromechanics Issues,” Presentation at NASA Ames Research Center, Moffett Field, CA, June 19, 2001.

Kang, H., Smith, E., and Lesieutre, G., “Helicopter Blade Lag Damping Using Embedded Chordwise Absorbers,” Proceeding of the American Helicopter Society 57th Annual Forum, Washington DC, May 9-11, 2001.

Stevens, P., and Smith, E., “Active Interrogation of Helicopter Rotor Faults Using Trailing Edge Flap Actuation,” Proceeding of the American Helicopter Society 57th Annual Forum, Washington DC, May 9-11, 2001.

Centolanza, L., Smith, E., and Morris, A., “Induced-Shear Piezoelectric Actuators for Rotor Blade Trailing Edge Flaps and Active Tips,” AIAA-01-1559, Proceeding of the 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Seattle, WA, April 14-19, 2001.

Ramrakhyani, R., Lesieutre, G.A., and Smith, E.C., “Efficient Modeling of Elastomeric Materials Using Fractional Derivatives and Plastic Yielding,” AIAA Paper 01-1592, Proceeding of the 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Seattle, WA, April 14-19, 2001, Vol. 4, Pages 3030-3038.

Szefi, J., Smith, E.C, and Lesieutre, G.A, “Formulation and Validation of a Ritz-Based Analytical Model for Design of Periodically-Layered Isolators in Compression,” AIAA Paper 01-1684, Proceedings of the 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Seattle, WA, April 14-19, 2001, Vol. 5, Pages 3690-3704.

Stevens, P., and Smith, E., “Active Interrogation of Helicopter Rotor Faults Using Trailing-Edge Flaps,” Proceeding of the IMAC-XIX Conference & Exposition on Structural Dynamics, Kissemmee, FL, February 5-8, 2001.

Brackbill, C., E.C. Smith, and G.A. Lesieutre, “Aeromechanical Stability and Response of Helicopters with Interblade Elastomeric Dampers,” Proceeding of the American Helicopter Society Rotorcraft Dynamics and Aeromechanics Specialists Meeting, Atlanta, Georgia, November 13 – 15, 2000.

Floros, M., and E.C. Smith, “Elastically Tailored Rotor Blades for Stall Alleviation and Vibration Reduction,” Proceeding of the American Helicopter Society Rotorcraft Dynamics and Aeromechanics Specialists Meeting, Atlanta, Georgia, November 13 – 15, 2000.

Howard, A., and E.C. Smith, “The Influence of Aeroelastic Coupling on Ground and Air Resonance Stability of a Soft-Inplane Tiltrotor,” Proceeding of the American Helicopter Society Rotorcraft Dynamics and Aeromechanics Specialists Meeting, Atlanta, Georgia, November 13 – 15, 2000.

Keller, J. and E.C. Smith, “Control of the Transient Aeroelastic Response of Rotors During Shipboard Engagement Operations,” Proceeding of the American Helicopter Society Rotorcraft Dynamics and Aeromechanics Specialists Meeting, Atlanta, Georgia, November 13 – 15, 2000.

Centolanza, L., and E.C. Smith, “Design and Experimental Testing of an Induced-Shear Piezoelectric Actuator For Rotor Blade Trailing Edge Flaps,” Proceeding of the American Helicopter Society Region National Specialist’s Meeting, Bridgeport, CT, October 4-5, 2000.

Heverly, D., E.C. Smith and K.W. Wang, “Smart Fuselage Sections for Optimally Distributed Control of Helicopter Airframe Vibrations,” Proceeding of the American Helicopter Society Region National Specialist’s Meeting, Bridgeport, CT, October 4-5, 2000.

Keller, J. and E.C. Smith, “Control of the Transient Response of Gimballed Rotors During Shipboard Engagement Operations,” Proceeding of the American Helicopter Society Region National Specialist’s Meeting, Bridgeport, CT, October 4-5, 2000.

Stevens, P., and E.C. Smith, “Active Interrogation of Helicopter Rotor Faults Using Trailing Edge Flaps,” Proceeding of the American Helicopter Society Region National Specialist’s Meeting, Bridgeport, CT, October 4-5, 2000.

Zhang, J., E.C. Smith, and K.W. Wang, “Dynamic Analysis and Hybrid Design of Rotor Blades with Trailing Edge Flaps for Vibration Reduction and Performance Enhancement, “ Proceeding of the American Helicopter Society Region National Specialist’s Meeting, Bridgeport, CT, October 4-5, 2000.

Zhang, J., E.C. Smith, and K.W. Wang, “Active-Passive Hybrid Optimization of Rotor Blades with Trailing Edge Flaps,” Proceeding of the American Helicopter Society 56th Annual Forum, Virginia Beach, Virginia, May 2- 4, 2000.

Brackbill, C., E.C. Smith, and G.A. Lesieutre, “Helicopter Aeroelastic Response and Stability Using A Refined Time Domain Elastomeric Damper Model,” AIAA-00-1689, Proceeding of the 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Atlanta, Georgia, April 3 – 6, 2000.

Centolanza, L., and E.C. Smith, “Design and Experimental Testing of an Induced-Shear Piezoelectric Actuator For Rotor Blade Trailing Edge Flaps,” AIAA-2000-1713, Proceeding of the 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Atlanta, Georgia, April 3 – 6, 2000.

Szefi, J., and E.C. Smith, “Analysis and Design of High Frequency Periodically Layered Isolators in Compression,” Proceeding of the 41st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Atlanta, Georgia, April 3 – 6, 2000.

Keller, J.A. and EC. Smith, “Analysis and Control of the Transient Shipboard Engagement Behavior of Rotor Systems,” Proceeding of the American Helicopter Society 55th Annual Forum, Montreal, Quebec, May1999.

Heverly II, D.E., E.C. Smith, and K.W. Wang, “A Distributed Actuator Approach For Active Control Of Helicopter Airframe Vibrations, AIAA-99-1505, Proceedings of the 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, April 1999.

Ruhl, L.E., Brackbill, C.R., G.A. Lesieutre, and E.C. Smith, “Thermomechanical Modeling of Elastomeric Damper Materials,” AIAA-99-1221, Proceedings of the 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, April 1999.

Zhang, J., E.C. Smith, and K.W. Wang, “An Active-Passive Hybrid Method for Optimization of Rotor Blades with Trailing Edge Flaps,” AIAA-99-1222, Proceedings of the 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, April 1999.

Keller, J.A. and E.C. Smith, “Experimental/Theoretical Correlation of Analysis for Helicopter Blade-Droop Stop Impacts,” submitted for publication in the Proceedings of the 38th AIAA/ASME/ ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Orlando, April, 1997.

Brackbill, C.R., G.A. Lesieutre, and E.C. Smith. June 1996. Formulation and Validation of a Thermomechanical Model for Elastomeric Materials, Proceedings of the 52nd American Helicopter Society Forum, Washington, D.C., June, 1996.

Geyer, W.G., J. Keller, and E.C. Smith, “Validation and Application of a Transient Response Analysis for Shipboard Engage/Disengage Operations,” Proceedings of the 52nd American Helicopter Society Forum, Washington, D.C., June, 1996. Stevens, P., D. Hall, and E.C. Smith, “A Multidisciplinary Approach to Rotorcraft Health and Usage Monitoring,” Proceedings of the 52nd American Helicopter Society Forum, Washington, D.C., June, 1996.

Byers, L., E.C. Smith, and G.A. Lesieutre, “Transient Response Behavior of Elastomeric Materials,” Proceedings of the 37th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Salt Lake City, Utah, April, 1996.

Centolanza, L.R., E.C. Smith, and B. Kumar, “Refined Structural Modeling and Structural Dynamics of Tailored Composite Rotor Blades,” AIAA Paper 96-1549, Proceedings of the 37th AIAA/ASME/ ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Salt Lake City, Utah, April, 1996.

Floros, M. and E.C. Smith, “Finite Element Modeling of Open-Section Composite Beams with Warping Restraint Effects,” AIAA Paper 96-1472, Proceedings of the 37th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Salt Lake City, Utah, April, 1996.

Geyer, W., and E.C. Smith, “Aeroelastic Analysis of Transient Blade Dynamics During Shipboard Engage/Disengage Operations,” Proceedings of the American Helicopter Society Aeromechanics Specialists Conference, Bridgeport, Connecticut, October, 1995.

Govindswamy, K., E.C. Smith, and G.A. Lesieutre, “Aerothermoelastic Behavior of Helicopters with Elastomeric Lag Dampers,” Proceedings of the American Helicopter Society Aeromechanics Specialists Conference, Bridgeport, Connecticut, October, 1995.

Smith, E.C., Beale, M.R., Govindswamy, K., Vascsinec, M.J., and Lesieutre, G.A., “Formulation and Validation of a Finite Element Model for Elastomeric Lag Dampers”, Proceedings of the 51st American Helicopter Society Forum, May 1995.

Govindswamy, K., Lesieutre, G.A., Smith, E.C., and Beale, M.R., “Characterization and Modeling of Strain-Dependent Dynamic Behavior of Viscoelastic Elastomers in Simple Shear”, Proceedings of the 36th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 1995.

Smith, E.C., “Modeling Issues for Tailored Composite Rotor Systems and Elastomeric Lag Dampers”, Army/NASA Comprehensive Analysis Workshop Seminar, NASA Ames Research Center, CA, March 1995.

Smith, E.C., “Aeroelastic and Aeromechanical Aspects for Helicopters with Elastically Tailored Composite Rotor Blades”, Proceedings of the 5th Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorcraft Systems, Rennsalaer Polytechnic Institute, October 1993.

Smith, E.C., “Vibration and Flutter of Stiff-Inplane Elastically Tailored Composite Rotor Blades”, Proceedings of the 34th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, La Jolla, California, April 1993.

Smith, E.C., “Aeroelastic and Aeromechanical Aspects of Elastically Coupled Composite Rotor Blades,” U.S. Army Research Office Beamology Workshop, Aeroflightdynamics Directorate, ATCOM, NASA Ames Research Center, Moffett Field, CA, October 1992. Smith, E.C. and Chopra, I., “Aeromechanical Stability of Helicopters with Composite Rotor Blades in Forward Flight”, Proceedings of the 48th American Helicopter Society Annual Forum, Phoenix, Arizona, June 3-5, 1992.

Smith, E.C. and Chopra, I., “Aeroelastic Response and Blade Loads of a Composite Rotor in Forward Flight”, Proceedings of the 33rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Dallas, Texas, April 1992.

Smith, E.C. and Chopra, I., “Aeromechanical Stability Prediction of Composite Rotors,” Proceedings of the 4th Workshop on Aeroelastic Stability Modeling of Rotorcraft Systems, College Park, Maryland, November 1991.

Smith, E.C. and Chopra, I., “Formulation and Evaluation of an Analytical Model for Composite Box-Beams,” Proceedings of the 31st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Long Beach, CA Apr 1990.