2002 Technical Papers

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.