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 Journal of The American Helicopter Society “Understanding and Predicting Helicopter Behavior - Then and Now”, by Gessow, Alfred, University of Maryland, , Pgs 3 “Aerodynamic Loads Induced by a Rotor on a Body of Revolution”, by Smith, Charles, NASA, Betzina, Mark, Pgs 29 “Directional Handling Qualities Requirements for Nap-of-the-Earth Tasks”, by Bivens, Courtland, Ames Research Ctr., , Pgs 37 “Time-History Analysis for Rotorcraft Dynamics Based on a Component Approach”, by Sopher, Robert, Sikorsky Aircraft Corp., Hallock, Daniel, Pgs 43 “A Parametric Study of the Aeromechanical Stability of a Bearingles Rotor”, by Hooper, W. Euan, Boeing Vertol Co., , Pgs 53 “Influence of Unsteady Aerodynamic Models on Aeromechanical Stability in Ground Resonance”, by Freidmann, Peretz, University of California, Los Angeles, Venkatesan, C., Pgs 65 “Optimal Sizing of Composite Power Transmission Shafting”, by Lim, Joon, University of Maryland, Darlow, Mark, Pgs 75
1986 April 31, 2 “Full-Scale Tilt-Rotor Hover Performance”, by Felker, Fort, NASA, Maisel, Martin; Betzina, Mark, Pgs 10 “A Piloted Simulation of One-on-One Helicopter Air Combat in Low Level Flight”, by Lewis, Michael, US Army, , Pgs 19 “A Piloted Simulation of a Model Following Control System”, by Bouwer, Gerhard, Institut fur Flugmechanik, Hilbert, Kathyn, Pgs 27 “Gust Response of Hingeless Rotors”, by Bir, Gunjit Singh, University of Maryland, Chopra, Inderjit, Pgs 33 “Effectiveness of Current Dynamic-Inflow Models in Hover and Forward Flight”, by Gaonkar, Gopal, Florida Atlantic University, Peters, David, Pgs 47 “A Unified Formulation of Rotor Load Prediction Methods”, by Hansford, Robert, Westland Helicopters, , Pgs 58 “Full-Scale Fatigue Testing of Advanced Fiber Composite Components”, by Adams, David, Sikorsky Aircraft Corp., Kearney, Hugh, Pgs 66
1986 July 31, 3 “Hover Performance and Dynamics of a Full-Scale Hingeless Rotor”, by Peterson, Randall, NASA, Warmbrodt, William, Pgs 10 “Free-Tip Rotor Wind Tunnel Test Results”, by Stroub, Robert, NASA, Young, Larry; Keys, Charles; Cawthorne, Matthew, Pgs 19 “A Review of the Effects of Side-Stick Controllers on Rotorcraft Handling Qualities”, by Aiken, Edwin, US Army, , Pgs 27 “Forward Flight Aeroelastic Stability from Symobolically Generated Equations”, by Reddy, T., University of Toledo, Warmbrodt, William, Pgs 35 “Experimentally Determined Flutter from Two- and Three-Bladed Model Bearingless Rotors in Hover”, by Bousman, Willam, US Army, Dawson, Seth, Pgs 45 “Developments in Helicopter Ground Vibration Testing”, by Fabunmi, James, University of Maryland, , Pgs 54 “Delamination Control of Composite Rotor Hubs”, by Chan, Wen, Bell Helicopter Textron, Rogers, Charles; Cronkhite, James; Martin, James, Pgs 60 “Comment on 'Nonlinear Deformation of Rotating Beams - An Alternate Method of Formulation'”, by Hodges, Dewey, US Army, Peters, David; Pierce, G.; Jonnalagadda, V., Pgs 70
1986 October 31, 4 “Experimental Analytical Predictions of Rotor Blade Vortex Interaction”, by Martin, R., NASA, Elliott, J.; Hoad, D., Pgs 12 “Aeroelastic Stability Analysis of a Composite Bearingless Rotor Blade”, by Hong, Chang-Ho, University of Maryland, Chopra, Inderjit, Pgs 29 “A Comparative Study of Tail Rotor Noise Mechanisms”, by George, A., Cornell Univesity, Chou, S., Pgs 36 “Free Vibration Characteristics of Multiple Load Path Blades by the Transfer Matrix Method”, by Murthy, V., Syracuse University, Joshi, Arum, Pgs 43 “Influence of Two Landing Gear Designs on Helicopter Crashworhiness and Weights”, by Sen, Joyanto, McDonnell Douglas Helicopter Co., Votaw, Michael; Downer, Geoffrey, Pgs 51 “Stabilization of Helicopter Blade Flapping”, by Calico, Robert, Air Force Institute of Technology, Wiesel, William, Pgs 59
1987 January 32, 1 “Generic Aspects of Delamination in Fatigue of Composite Materials”, by O'Brien, T., US Army, , Pgs 13 “HELIX: A Casual Model-Based Diagnostic Expert System”, by Simmons, Dan, United Technologies Corp., Hamilton, Thomas; Carlson, Raymond, Pgs 19 “Generalized S-N Curve Shapes - Steady Stress Effects”, by Albrecht, Carl, Boeing Vertol Co., , Pgs 26 “The Application of Quadratic Optimal Cooperative Control Synthesis to a CH-47 Helicopter”, by Townsend, Barbara, NASA, , Pgs 33 “Effects on Nonlinear Damping in Landing Gear on Helicopter Limit Cycle Response in Ground Resonance”, by Tang, D., Nanjing Aeronautical Institute, Dowell, Earl, Pgs 45 “Reduction of Unsteady Recirculation in Hovering Model Helicopter Rotor Testing”, by Piziali, Raymond, US Army, Felker, Fort, Pgs 54 “Finite Element Approach to Rotor Blade Modeling”, by Bauchau, Olivier, Rensselaer Polytechnic Institute, Hong, Chang-Hee, Pgs 60 “Rotor-Body Coupling Revisited”, by Stephens, Wendell, US Army, Peters, David, Pgs 68
1987 April 32, 2 “Correlation of Test and Analysis for the 1/5-Scale V-22 Aeroelastic Model”, by Popelka, David, Bell Helicopter Textron, Sheffler, Marc; Bilger, Jim, Pgs 21 “Helicopter Rotor Icing Protection Methods”, by Coffman, Jr., H., Bell Helicopter Textron, , Pgs 34 “Rotor Tip Vortex Geometry Measurements Using the Wide-Field Shadowgraph Technique”, by Norman, Thomas, NASA, Light, Jeffrey, Pgs 40 “A Rig For the Fatigue Testing of Rotor Hubs”, by Granger, Jr., Gordon, Kaman Aerospace Corp., Mayerjak, Robert, Pgs 51 “Designing for a Crashworthy All-Composite Helicopter Fuselage”, by Sen, Joyanto, McDonnell Douglas Helicopter Co., , Pgs 56 “The Performance Characteristics of Rotorcraft Airfoils With Simulated Ice”, by Flemming, Robert, Sikorsky Aircraft Corp., Shaw, R.; Lee, J., Pgs 67 “Introduction to GRASP - General Rotorcraft Aeromechanical Stability Program - A Modern Approach to Rotorcraft Modeling”, by Hodges, Dewey, US Army, Hopkins, A.; Kunz, D.; Hinnant, H., Pgs 78
1987 July 32, 3 “A Full Potential Rotor Analysis With Wake Influence Using an Inner-Outer Domain Technique”, by Egolf, T., United Technologies Research Ctr., Sparks, S., Pgs 15 “Acoustic Signature Prediction for a 2-D Rotating Transonic Disturbance”, by Rutherford, John, US Army, , Pgs 25 “Recent Tilt Rotor Flight Control Law Innovations”, by Kimball, Dwayne, Bell Helicopter Textron, , Pgs 33 “Rotor Load Correlation with the British Experimental Rotor Program Blade”, by Hansford, Robert, Westland Helicopters, , Pgs 43 “On-Line Determination of Optimal Flight Paths for Helicopters”, by Slater, G., University of Cincinati, Stoughton, M, Pgs 54 “Development Testing of the H-60 Composite Main Rotor Blade”, by Kieras, J., Sikorsky Aircraft Corp., Hernandez, F., Pgs 62 “Compressors for Advanced Turboshaft Engines”, by Baghdadi, Samy, Pratt & Whitney, , Pgs 67
1987 October 32, 4 “Integration of a Helicopter Sizing Code with a Computer-Aided Design System”, by Lu, Liang-Ju, Virginia Polytechnic Institute, Myklebust, Arvid; War, Steven, Pgs 16 “Crash Energy Absorbing Subfloor Beam Structure”, by Farley, Gary, US Army, , Pgs 28 “Optimization Methods Applied to the Aerodynamic Design of Helicopter Rotor Blades”, by Walsh, Joanne, NASA, Bingham, Gene; Riley, Michael, Pgs 39 “Nonlinear Behavior of an Elastomeic Lag Damper Undergoing Dual-Frequency Motion and its Effect on Rotor Dynamics”, by Felker, Fort, NASA, Lau, Benton; McLaughlin, Stacey; Johnson, Wayne, Pgs 45 “Prediction of Aeroelastic Response of a Model X-Wing Rotor”, by Sopher, Robert, Sikorsky Aircraft Corp., Duh, James, Pgs 54 “Technical Note: Assembly of Moderate-Rotation Finite Elements Used in Helicopter Rotor Dynamics”, by Panda, Brahmananda, Kaman Aerospace Corp., , Pgs 63
1988 January 33, 1 “Effects of Blade-to-Blade Dissimilarities on Rotor-Body Lead-Lag Dynamics”, by McNulty, Michael, Ames Research Ctr., , Pgs 17 “The Uses and Abuses of the Acoustic Analogy in Helicopter Rotor Noise Prediction”, by Farassat, F., NASA, Brentner, Kenneth, Pgs 29 “Blade-Vortex Interaction Acoustic Results from a Forty Percent Model Rotor in the DNW”, by Martin, Ruth, NASA, Splettstoesser, Wolf, Pgs 37 “A Design System for Erosion Tolerant Helicopter Engines”, by Vittal, Baily, General Motors Corp., , Pgs 47 “Generalized Frequency Domain Substructure Synthesis”, by Jetmundsen, Bjorn, Helikopter Service A/S, Bielawa, Richard; Flannelly, William, Pgs 55
1988 April 33, 2 “Ground Exposure of Composite Materials for Helicopters”, by Baker, Donald, Langley Research Ctr., , Pgs 15 “Statistical Analysis of Structural Flight Test Data”, by Adams, D., Sikorsky Aircraft Corp., , Pgs 21 “Correlation of SA349/2 Helicopter Flight Test Data with a Comprehensive Rotorcraft Model”, by Yamauchi, Gloria, NASA, Heffernan, Ruth; Gaubert, Michel, Pgs 31 “Aeroelastic Modeling of Swept Tip Rotor Blades Using Finite Elements”, by Celi, Roberto, University of Maryland, Friedmann, Peretz, Pgs 43 “Aerodynamic Interactions Between a Rotor and Wing in Hover”, by Felker, Fort, NASA, Light, Jeffrey, Pgs 53
1988 July 33, 3 “Free Wake Model of Hovering Rotors Having Straight or Curved Blades”, by Rosen, Aviv, Israel Intitiute of Technology, Graber, Avinoam, Pgs 11 “Ground and Air Resonance of an Advanced Bearingless Rotor in Hover”, by Jang, Jinseok, University of Maryland, Chopra, Inderjit, Pgs 20 “Effect of Helicopter Blade Dynamics on Blade Aerodynamic and Structural Loads”, by Heffernan, Ruth, NASA, , Pgs 30 “Application of Design Optimization Techniques to Rotor Dynamics Problems”, by Davis, Mark, United Technologies Research Ctr., Weller, William, Pgs 42 “Classification of Response-Types for Attack Helicopter Combat Tasks”, by Mitchell, David, Systems Techonolgy, Inc., Hoh, Roger; Atencio, Jr., Adolph, Pgs 51 “Aeroelastic Stability of a Bearingless Circulation Control Rotor in Forward Flight”, by Chopra, Inderjit, University of Maryland, , Pgs 60
1988 October 33, 4 “Effects of Analytical Modeling Assumptions on the Predicted Stability of a Model Hingeless Rotor”, by Sopher, Robert, Sikorsky Aircraft Corp., Cassarino, Sebastian, Pgs 15 “Circulation Control Airfoils in an Unsteady Flow”, by Raghavan, V., University of Maryland, Chopra, Inderjit; Pai, Shih-I, Pgs 28 “Aeroelastic Stability of Bearingless Rotors in Forward Flight”, by Dull, Andrew, US Military Academy, Chopra, Inderjit, Pgs 38 “An Investigation of Control Configurations for Low-Level Single and Dual Piloted Rotorcraft Combat Mission Tasks”, by Bivens, Courtland, US Army, Haworth, Loran; Shively, Robert, Pgs 47 “A Statistical Analysis to Assess the Reliability of a Rotorcraft Component in Fatigue”, by Viswanathan, S., Bell Helicopter Textron, Tata, V.; Boorla, R.; McLeod, G.; Slack, J., Pgs 55 “Technical Notes: Dynamic Inflow for Practical Applications”, by Peters, David, Georgia Institute of Technology, HaQuang, Ninh, Pgs 64
1989 January 34, 1 “Higher Harmonic Control: Wing Tunnel Demonstration of Fully Effective Vibratory Hub Force Suppression”, by Shaw, John, Boeing Helicopters, Albion, Nicholas; Hanker, Jr., Edward; Teal, Richard, Pgs 14 “The Effect of Airframe Aerodynamics on V-22 Rotor Loads”, by Schillings, John, Bell Helicopter Textron, Reinesch, Rick, Pgs 26 “Ten Years of Rotor Flow Studies at ONERA”, by Desopper, A., Office National d'Etudes et de Recherches Aérospatiales, Lafon, P.; Ceroni, P.; Philippe, J., Pgs 34 “Aerodynamics and Acoustics of Rectangular and Swept Rotor Blade Tips”, by Prieur, J., Office National d'Etudes et de Recherches Aérospatiales, Lafon, P.; Caplot, M.; Desopper, A., Pgs 42 “Aeroelastic Optimization of a Helicopter Rotor”, by Lim, Joon, University of Maryland, Chopra, Inderjit, Pgs 52 “Technical Notes: High Speed Rotor Aerodynamics”, by Amer, Kenneth, The RAND Corp., , Pgs 63 “Technical Notes: The Contribution of Planform Area to the Performance of the BERP Rotor (Reply to K. Amer)”, by Perry, F., Westland Helicopters Ltd., , Pgs 64
1989 April 34, 2 “Solutions of the Navier-Stokes Equations for the Flow About a Rotor Blade”, by Wake, Brian, United Technologies Research Ctr., Sankar, L., Pgs 13 “The Aerodynamics of an Oscillating Jet Flap”, by Lorber, Peter, United Technologies Research Ctr., Carta, Franklin; Carlson, Raymond, Pgs 24 “Validation of a Method for Air Resonance Testing of Helicopters at Model Scale Using Active Control of Pylon Dynamic Characteristics”, by Bielawa, Richard, Rensselaer Polytechnic Institute, , Pgs 33 “Damage Tolerance of Composite Shear Panels”, by Llorente, Steven, Boeing Helicopters, , Pgs 43 “The Role of Fiber and Matrix in Crash Energy Absorption of Composite Materials”, by Farley, Gary, US Army, Bird, Richard; Modlin, John, Pgs 52 “Technical Notes: Energy-Absorption Capability and Scalability of Square Cross Section Composite Tube Specimens”, by Farley, Gary, US Army, , Pgs 59 “Technical Notes: A Method of Predicting the Energy-Absorption Capability of Composite Subfloor Beams”, by Farley, Gary, US Army, , Pgs 63 “Technical Notes: Expansion of Classical Tip Loss Formulas”, by Peters, David, Georgia Institute of Techonology, Chiu, Yih-Wan, Pgs 68
1989 July 34, 3 “Modeling Sweep Effects on Dynamic Stall”, by Leishman, J. Gordon, University of Maryland, , Pgs 18 “Far Field Noise of Transonic Blade-Vortex Interactions”, by Lyrintzis, A., Cornell University, George, A., Pgs 30 “Wind Tunnel Tests of Helicopter Blade Designs Optimized for Minimum Vibration”, by Weller, Willam, United Technologies Research Ctr., Davis, Mark, Pgs 40 “Fixed-Gain Versus Adaptive Higher Harmonic Control Simulation”, by Nygren, Kip, US Military Academy, Schrage, Daniel, Pgs 51 “Correlation of Acoustic Emission and Strain/Deflection Measurement During Composite Airframe Static Tests”, by Perschbacher, J., Sikorsky Aircraft Corp., Boyce, William, Pgs 59 “Aerospace Application of Braided Structures”, by Krebs, Neil, Kaman Aerospace Corp., Rahnenfuehrer, E., Pgs 69 “Technical Notes: Analytical Failure Prediction of Bolted Connections in Composite Shafts”, by Furnes, Kenneth, Rensselaer Polytechnic Institute, Goetschel, D., Pgs 75
1989 October 34, 4 “Effect of Tip Speed on Rotor Inflow”, by Althoff, Susan, ASTD, AARTA-AVSCOM, , Pgs 18 “Influence of Interactional Aerodynamics on Helicopter Rotor/Fuselage Coupled Response in Hover and Forward Flight”, by Rand, Omri, University of Maryland, , Pgs 28 “Prediction of Aerodynamic Rotor-Airframe Interactions in Forward Flight”, by Mavris, Dimitris, Georgia Institute of Technology, Komerath, N.; McMahon, H., Pgs 37 “Damage Tolerance Analysis of Dynamic Components of Rotary Wing Aircraft”, by Boorla, R., Bell Helicopter Textron Inc., , Pgs 47 “Design Concepts for an Advanced Cargo Rotorcraft”, by Schrage, D., Georgia Institute of Techonolgy, Costello, M.; Mittleider, D., Pgs 56 “Assessment of Digital Flight-Control Technology for Advanced Combat Rotorcraft”, by Tischler, Mark, US Army, , Pgs 66
“Technical Notes: Minimum Weight Design of Helicopter Rotor Blades with Frequency Constraints”, by Chattopadhyay, Aditi, Analytical Services & Materials, Inc., Walsh, Joanne, Pgs 77
1990 January 35, 1 “Demonstration of a Supercritical Composite Helicopter Power Transmission Shaft”, by Hetherington, Patricia, GM Noise & Vibration Lab, Kraus, R.; Darlow, M., Pgs 23 “Modeling of Subsonic Unsteady Aerodynamics for Rotary Wing Applications”, by Leishman, J. Gordon, University of Maryland, , Pgs 29 “Assessment of Transient Analysis Techniques for Rotor Stability Testing”, by Tasker, Frederick, University of Maryland, Chopra, Inderjit, Pgs 39 “Hub Loads Analysis of the SA394/2 Helicopter”, by Heffernan, Ruth, NASA, Yamauchi, G.; Goubert, M.; Johnson, W., Pgs 51 “Investigation of Difficult-Component Effects on Finite-Element-Model Vibration Prediction for the AH-1G Helicopter”, by Dompka, Robert, Bell Helicopter Textron, Inc., , Pgs 64 “Structural Dynamics of a Helicopter Rotor Blade System”, by Srinivasan, A., United Technologies Research Ctr., Cutts, D.; Shu, H.; Sharpe, D.; Bauchau, O., Pgs 75 “Technical Notes: Reduction of Blade-Votex Interaction Noise Through Higher Harmonic Pitch Control”, by Brooks, T., NASA, Booth, E.; Jolly, J.; Yeager, W.; Wilbur, M., Pgs 86 “Analytical Approach to the Induced Flow of a Helicopter Rotor in Vertical Descent”, by Shi-cun, Wang, Georgia Institute of Technology, , Pgs 92
1990 April 35, 2 “A Quasilinear Analysis and Design Technique for Nonlinear Flight Control Systems”, by Dabundo, Charles, Boeing Helicopters, Curtiss, Jr., H., Pgs 15 “An Experimental and Analytical Investigation of Isolated Rotor Flap-Lag Stability in Forward Flight”, by Gaonkar, Gopal, Florida Atlantic University, McNulty, M.; Nagabhushanam, J., Pgs 25 “Investigation of Variation in Fatigue Life Caculated Using Damage Fraction”, by Gunsallus, Clifford, Kaman Aerospace Corp., Nagy, E.; Stennett, P.; Flannelly, W., Pgs 35 “Nonclassical Behavior of Thin-Walled Composite Beams with Closed Cross Sections”, by Rehfield, Lawrence, University of California, Atilgan, A.; Hodges, D., Pgs 42 “Helicopter Response to Atmospheric Turbulence in Forward Flight”, by Elliott, A., University of Maryland, Chopra, Inderjit, Pgs 51 “Assembly of Finite-Element Helicopter Subsystems with Large Relative Rotations”, by Fuh, J., Kaman Aerospace Corp., Panda, B.; Peters, D., Pgs 60 “Technical Notes”, by Chattpadhyay, A., Analytical Services & Materials, Inc., Walsh, J., Pgs 69 “Technical Notes”, by Amer, Kenneth, The RAND Corp., , Pgs 69
1990 July 35, 3 “'”, by Saal, Karl, Sikorsky Aircraft Corp., Cole, Jeffrey, Pgs 12 “Aerodynamic Interactions Between a Rotor and a Fuselage in Forward Flight”, by Leishman, J. Gordon, University of Maryland, Bi, N., Pgs 22 “An Unsteady Helicopter Rotor-Fuselage Aerodynamic Interaction Analysis”, by Lorber, Peter, United Technologies Research Ctr., Egolf, T., Pgs 32 “Rotor/Airframe Interactions on Tiltrotor Aircraft”, by McVeigh, Michael, Boeing Helicopter, Grauer, W.; Paisley, D., Pgs 43 “Design, Analysis, and Testing Considerations of Fatigue-Critical Rotorcraft Components”, by Krasnowski, Bogdan, Bell Helicopter Textron, Inc., Viswanathan, S.; Dowling, Norman, Pgs 52 “Fatigue Life Estimates for Helicopter Loading Spectra”, by Khosrovaneh, A., VA Polytechnic Institute and State University, Dowling, N.; Berens, A.; Callagher, J., Pgs 59 “Relative Aeromechanichal Stability Characteristcs for Hingeless and Bearingless Rotors”, by Weller, William, United Technologies Research Ctr., , Pgs 68 “Application of Higher Harmonic Control to Rotors Operating at High Speed and Thrust”, by Nguyen, Khanh, University of Maryland, Chopra, Inderjit, Pgs 78 “Technical Notes: Effects of Unsteady Blowing on the Lift of a Circulation Controlled Cylinder”, by Chee, Terence, University of Maryland, Leishman, J., Pgs 90
1990 October 35, 4 “Special Vortices at a Helicopter Rotor Blade”, by Muller, Reinert, FIBUS Research Institute, , Pgs 16 “Design of a Mulivarable Helicopter Flight Control System for Handling Qualities Enhancement”, by Garrard, William, Univ. of Minnesota, Liebst, Bradley, Pgs 23 “Water Intrusion in Thin-Skinned Composite Honeycomb Sandwich Structures”, by Jackson, Wade, US Army, O'Brien, T., Pgs 31 “Sturctural Tailoring Techniques to Prevent Delamination in Composite Laminates”, by Pogue III, William, University of Maryland, Vizzini, A., Pgs 38 “Design and Analysis of Composite Structures with Manufacturing Flaws”, by Kassapoglou, Christos, Sikorsky Aircraft Corp., Hammer, J., Pgs 46 “The Response of Helicopter Rotors to Vibratory Airloads”, by Bousman, William, US Army, , Pgs 53 “Validation of Rotor Vibratory Airloads and Application to Helicopter Response”, by Yen, Jing, Bell Helicopter Textron, Inc., Yuce, M.; Chao, C.; Schillings, J., Pgs 63 “Technical Notes: The Effect of Hidden Dynamic States on Floquet Eigenvalues”, by Peters, David, Georgia Institute of Technology, Su, Ay, Pgs 72
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