Technical Papers

2004 Technical Papers

 

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.