All these titles on 1 CD-Rom

NASA-aiaa-99-0156.pdf - Qunzhen Wang, Steven J. Massey, Khaled S. Abdol-Hamid and Neal T. Frink, Solving Navier-Stokes Equations With Advanced Turbulence Models on Three-Dimensional Unstructured Grids, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0156,

NASA-aiaa-99-0157.pdf - Christopher L. Rumsey, Thomas, B. Gatski and Joseph H. Morrison, Turbulence Model Predictions of Extra-Strain Rate Effects in Strongly-Curved Flows, AIAA 37th Aerospace Sciences Meeting & Exhibit, Reno, NV, AIAA-99-0157, January 11-14, 1999, pp. 15, (607K

NASA-aiaa-99-0178.pdf - Jerome T. Kegelman, Recent Cycle Time Reduction at Langley Research Center, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0178, January 11-14, 1999, (1MB)

NASA-aiaa-99-0227.pdf - Roop N. Gupta, Aerothermodynamic Analysis of Stardust Sample Return Capsule With Coupled Radiation and Ablation, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0227, January 11-14, 1999, (2MB)

NASA-aiaa-99-0231.pdf - Bart A. Singer, Kenneth S. Brentner, David P. Lockard and Geoffrey M. Lilley, Simulation of Acoustic Scattering From a Trailing Edge, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0231, January 11-14, 1999, (2MB)

NASA-aiaa-99-0309.pdf - James M. Hereford, Peter A. Parker and Ray D. Rhew, Impact of Thermal Gradients on Wind Tunnel Force Measurements, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0309, January 11-14, 1999, (1MB)

NASA-aiaa-99-0537.pdf - D. J. Mavriplis and S. Pirzadeh, Large-Scale Parallel Unstructured Mesh Computations for 3D High-Lift Analysis, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0537, January 11-14, 1999, (2MB)

NASA-aiaa-99-0672.pdf - LaTunia G. Pack and Avi Seifert, Periodic Excitation for Jet Vectoring and Enhanced Spreading, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0672, January 11-14, 1999, (2MB)

NASA-aiaa-99-0682.pdf - Frank W. Steinle, Jr., Dennis Booth and Ray D. Rhew, Determination of Anelastic-Induced Error in Wind Tunnel Test Force and Moment Measurements, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0682, January 11-14, 1999, (1MB)

NASA-aiaa-99-0753.pdf - David A. Hinton, James K. Charnock, Donald R. Bagwell and Donner W. Grigsby, NASA Aircraft Vortex Spacing System Development Status, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0753, January 11-14, 1999, (276KB)

NASA-aiaa-99-0754.pdf - Fred H. Proctor and Jongil Han, Numerical Study of Wake Vortex Interaction With the Ground Using the Terminal Area Simulation System, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0754, January 11-14, 1999, (286KB)

NASA-aiaa-99-0755.pdf - Shaohua Shen, Feng Ding, Jongil Han, Yuh-Lang Lin, S. Pal Arya and Fred H. Proctor, Numerical Modeling Studies of Wake Vortices: Real Case Simulations, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0755, January 11-14, 1999, (6MB

NASA-aiaa-99-0756.pdf - Jongil Han, Yuh-Lang Lin, S. Pal Arya and Fred H. Proctor, Large Eddy Simulation of Aircraft Wake Vortices in a Homogeneous Atmospheric Turbulence: Vortex Decay and Descent, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0756, Jan

NASA-aiaa-99-0785.pdf - J. L. Thomas, D. L. Bonhaus, W. K. Anderson, C. L. Rumsey and R. T. Biedron, An O(Nm{2}) Plane Solver for the Compressible Navier-Stokes Equations, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0785, January 11-14, 1999, (151KB)

NASA-aiaa-99-0835.pdf - K. Chauncey Wu and Roger A. Lepsch, Jr., Nontangent, Developed Contour Bulkheads for a Wing-Body Single Stage Launch Vehicle, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0835, January 11-14, 1999, (2MB)

NASA-aiaa-99-0925.pdf - Avi Seifert and LaTunia G. Pack, Oscillatory Excitation of Unsteady Compressible Flows Over Airfoils at Flight Reynolds Numbers, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-0925, January 11-14, 1999, (698KB)

NASA-aiaa-99-1020.pdf - Robert A. Mitcheltree, Charles M. Fremaux and Leslie A. Yates, Subsonic Static and Dynamic Aerodynamics of Blunt Entry Vehicles, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-1020, January 11-14, 1999, (321KB)

NASA-aiaa-99-1044.pdf - Kamran Daryabeigi, Analysis and Testing of High Temperature Fibrous Insulation for Reusable Launch Vehicles, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, AIAA 99-1044, January 11-14, 1999, (291KB)

NASA-aiaa-99-1247.pdf - E. H. Glaessgen, I. S. Raju and C. C. Poe, Jr., Delamination and Stitch Failure in Stitched Composite Joints, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-1247, April 12-15, 1999, (2MB

NASA-aiaa-99-1262.pdf - Walter A. Silva, Reduced-Order Models Based on Linear and Nonlinear Aerodynamic Impulse Responses, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-1262, April 12-15, 1999, (935KB)

NASA-aiaa-99-1276.pdf - Damodar R. Ambur and David M. McGowan, Response of Composite Plates With Inclined Elliptical Notches and Subjected to In-Plane Loading Conditions, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri,

NASA-aiaa-99-1279.pdf - Mark W. Hilburger, Vicki O. Britt and Michael P. Nemeth, Buckling Behavior of Compression-Loaded Quasi-Isotropic Curved Panels With a Circular Cutout, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missou

NASA-aiaa-99-1282.pdf - Donald J. Baker and Carl Q. Rousseau, Evaluation of Carbon-Rod Reinforced Crippling Strength Specimens, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-1282, April 12-15, 1999, (3MB)

NASA-aiaa-99-1296.pdf - Thomas S. Gates, On the Use of Accelerated Test Methods for Screening High Temperature Polymeric Composite Materials, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-1296, April 12-15, 19

NASA-aiaa-99-1314.pdf - Mehmet A. Akgun, Raphael T. Haftka, K. Chauncey Wu and Joanne L. Walsh, Sensitivity of Lumped Constraints Using the Adjoint Method, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, St. Louis, Missouri, AIAA 99-1314, Ap

NASA-aiaa-99-1317.pdf - F. Nitzsche, D. Zimcik, T. G. Ryall, R. W. Moses and D. A. Henderson, Control Law Synthesis for Vertical Fin Buffeting Alleviation Using Strain Actuation, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Mi

NASA-aiaa-99-1318.pdf - Robert W. Moses, Contributions to Active Buffeting Alleviation Programs by the NASA Langley Research Center, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-1318, April 12-15, 1999, (922K

NASA-aiaa-99-1336.pdf - John T. Wang, Christine G. Lotts and David W. Sleight, Analysis of Discrete-Source Damage Progression in a Tensile Stiffened Composite Panel, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA

NASA-aiaa-99-1376.pdf - Alexander A. Muravyov, Travis L. Turner, Jay H. Robinson and Stephen A. Rizzi, A New Stochastic Equivalent Linearization Implementation for Prediction of Geometrically Nonlinear Vibrations, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and

NASA-aiaa-99-1385.pdf - Damodar R. Ambur, Navin Jaunky, Robin E. Lawson, Norman F. Knight, Jr. and Karen H. Lyle, A Gas-Actuated Projectile Launcher for High-Energy Impact Testing of Structures, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conferenc

NASA-aiaa-99-1396.pdf - Vivek Mukhopadhyay, Transonic Flutter Suppression Control Law Design Using Classical and Optimal Techniques With Wind-Tunnel Test Results, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-

NASA-aiaa-99-1406.pdf - David M. McGowan, Damodar R. Ambur, T. Glen Hana and Stephen R. McNeill, Evaluation of the Compressive Response of Notched Composite Panels Using a Full-Field Displacement Measurement System, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, an

NASA-aiaa-99-1412.pdf - Cheryl A. Rose, Richard D. Young and James H. Starnes, Jr., Nonlinear Local Bending Response and Bulging Factors for Longitudinal Cracks in Pressurized Cylindrical Shells, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conferen

NASA-aiaa-99-1416.pdf - E. H. Glaessgen and I. S. Raju, Three-Dimensional Effects in the Plate Element Analysis of Stitched Textile Composites, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA-99-1416, April 12-15,

NASA-aiaa-99-1435.pdf - Carlos G. Davila, Damodar R. Ambur and David M. McGowan, Analytical Prediction of Damage Growth in Notched Composite Panels Loaded in Axial Compression, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Miss

NASA-aiaa-99-1473.pdf - Jennifer Heeg and Earl H. Dowell, Aerodynamic and Aeroelastic Insights Using Eigenanalysis, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA 99-1473, April 12-15, 1999, (963KB)

NASA-aiaa-99-1474.pdf - Walter A. Silva and Boyd Perry, III, Maximized Gust Loads of a Closed-Loop, Nonlinear Aeroelastic System Using Nonlinear Systems Theory, 40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, St. Louis, Missouri, AIAA-99-14

NASA-aiaa-99-1802.pdf - Bart A. Singer, David P. Lockard, Kenneth S. Brentner, Mehdi R. Khorrami, Mert E. Berkman and Meelan Choudhari, Computational Aeroacoustic Analysis of Slat Trailing-Edge Flow, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1802, May

NASA-aiaa-99-1881.pdf - F. Farassat and Mark Farris, Verification and Analysis of Formulation 4 of Langley for the Study of Noise From High Speed Surfaces, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1881, May 10-12, 1999, (2MB)

NASA-aiaa-99-1933.pdf - Dan Palumbo, Ran Cabell, John Cline and Brenda Sullivan, Flight Test of ASAC Aircraft Interior Noise Control System, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1933, May 10-12, 1999, (401KB)

NASA-aiaa-99-1937.pdf - Lorenzo R. Clark and Carl H. Gerhold, Inlet Noise Reduction by Shielding for the Blended Wing-Body Airplane, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1937, May 10-12, 1999, (2MB)

NASA-aiaa-99-1945.pdf - Harold L. Atkins and David P. Lockard, A High-Order Method Using Unstructured Grids for the Aeroacoustic Analysis of Realistic Aircraft Configurations, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1945, May 10-12, 1999, (3MB)

NASA-aiaa-99-1954.pdf - R. H. Thomas, F. Farassat, L. R. Clark, C. H. Gerhold, J. J. Kelly and L. E. Becker, A Mode Detection Method Using the Azimuthal Directivity of a Turbofan Model, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1954, May 10-12, 1999,

NASA-aiaa-99-1958.pdf - Thomas F. Brooks and William M. Humphreys, Jr., Effect of Directional Array Size on the Measurement of Airframe Noise Components, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1958, May 10-12, 1999, (717KB)

NASA-aiaa-99-1975.pdf - L. Maestrello, Control of Shock Loading From a Jet in the Presence of a Flexible Structure, 5th AIAA/CEAS Aeroacoustics Conference, Bellevue, Washington, AIAA 99-1975, May 10-12, 1999, (670KB)

NASA-aiaa-99-2669.pdf - Craig A. Hunter and Karen A. Deere, Computational Investigation of Fluidic Counterflow Thrust Vectoring, 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Los Angeles, California, AIAA 99-2669, June 20-24, 1999, (2MB)

NASA-aiaa-99-2670.pdf - Karen A. Deere and Craig A. Hunter, Experimental Investigation of Convoluted Contouring for Aircraft Afterbody Drag Reduction, 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Los Angeles, California, AIAA 99-2670, June 20-24, 1999, (612KB

NASA-aiaa-99-3136.pdf - Michael A. Park, Lawrence L. Green, Raymond C. Montgomery and David L. Raney, Determination of Stability and Control Derivatives Using Computational Fluid Dynamics and Automatic Differentiation, 17th AIAA Applied Aerodynamics Conference, Norfolk, Virginia

NASA-aiaa-99-3254.pdf - William A. Wood and William L. Kleb, On Multi-Dimensional Unstructures Mesh Adaption, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, VA, AIAA 99-3254, June 28--July 1, 1999, pp. 15, (622KB)

NASA-aiaa-99-3255.pdf - Shahyar Z. Pirzadeh, An Adaptive Unstructured Grid Method by Grid Subdivision, Local Remeshing, and Grid Movement, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3255, June 28--July 1, 1999, (591KB)

NASA-aiaa-99-3267.pdf - William L. Kleb, William A. Wood and Bram van Leer, Efficient Multi-Stage Time Marching for Viscous Flows via Local Preconditioning, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3267, June 28--July 1, 1999, pp. 14, also ap

NASA-aiaa-99-3296.pdf - Clyde R. Gumbert, Gene J.-W. Hou and Perry A Newman, Simultaneous Aerodynamic Analysis and Design Optimization (SAADO) for a 3-D Rigid Wing, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3296, June 28--July 1, 1999, (1MB)

NASA-aiaa-99-3301.pdf - Robert E. Bartels, An Elasticity Based Mesh Scheme Applied to the Computation of Unsteady Three Dimensional Spoiler and Aeroelastic Problems, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3301, June 28--July 1, 1999, (1MB)

NASA-aiaa-99-3309.pdf - David P. Lockard and Harold L. Atkins, Efficient Implementations of the Quadrature-Free Discontinuous Galerkin Method, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3309, June 28--July 1, 1999, (111KB)

NASA-aiaa-99-3334.pdf - J. L. Thomas, B. Diskin and A. Brandt, Distributed Relaxation Multigrid and Defect Correction Applied to the Compressible Navier-Stokes Equations, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3334, June 28--July 1, 1999, (

NASA-aiaa-99-3360.pdf - J. A. White and J. H. Morrison, A Psuedo-Temporal Multi-Grid Relaxation Scheme for Solving the Parabolized Navier-Stokes Equations, 14th AIAA Computational Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3360, June 28--July 1, 1999, (2MB)

NASA-aiaa-99-3459.pdf - David E. Myers, Carl J. Martin, Jr. and Max L. Blosser, Parametric Weight Comparison of Current and Proposed Thermal Protection System (TPS) Concepts, 33rd AIAA Thermophysics Conference, Norfolk, Virginia, AIAA 99-3459, June 28--July 1, 1999, (1MB)

NASA-aiaa-99-3558.pdf - Thomas J. Horvath, Scott A. Berry, Brian R. Hollis, Derek S. Liechty, H. Harris Hamilton, II and N. Ronald Merski, X-33 Experimental Aeroheating at Mach 6 Using Phosphur Thermography, 33rd AIAA Thermophysics Conference, Norfolk, Virginia, AIAA 99-3558, Ju

NASA-aiaa-99-3559.pdf - Brian R. Hollis, Thomas J. Horvath, Scott A. Berry, H. Harris Hamilton, II and Stephen J. Alter, X-33 Computational Aeroheating Predictions and Comparisons With Experimental Data, 33rd AIAA Thermophysics Conference, Norfolk, Virginia, AIAA 99-3559, June 2

NASA-aiaa-99-3560.pdf - Scott A. Berry, Thomas J. Horvath, Brian R. Hollis, Richard A. Thompson and H. Harris Hamilton, II, X-33 Hypersonic Boundary Layer Transition, 33rd AIAA Thermophysics Conference, Norfolk, Virginia, AIAA 99-3560, June 28--July 1, 1999, (3MB)

NASA-aiaa-99-3575.pdf - Ronald D. Joslin, Lucas G. Horta and Fang-Jenq Chen, Transitioning Active Flow Control to Applications, 30th AIAA Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3575, June 28--July 1, 1999, pp. 12, (597KB)

NASA-aiaa-99-3588.pdf - A. D. Cutler, A. A. Carty, S. E. Doerner, G. S. Diskin and J. P. Drummond, Supersonic Coaxial Jet Experiment for CFD Code Validation, 30th AIAA Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3588, June 28--July 1, 1999, (1MB)

NASA-aiaa-99-3781.pdf - N. Duquesne, J. R. Carlson, C. L. Rumsey and T. B. Gatski, Computation of Turbulent Wake Flows in Variable Pressure Gradient, 30th AIAA Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3781, June 28--July 1, 1999, (287KB)

NASA-aiaa-99-3798.pdf - Thomas A. Zang and Lawrence L. Green, Multidisciplinary Design Optimization Techniques: Implications and Opportunities for Fluid Dynamics Research, 30th AIAA Fluid Dynamics Conference, Norfolk, Virginia, AIAA 99-3798, June 28--July 1, 1999, pp. 21, (571KB

NASA-aiaa-99-3957.pdf - Pieman G. Maghami and Kyong B. Lim, Substructure Synthesis: A Controls Approach, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-3957, August 9-11, 1999, (139KB)

NASA-aiaa-99-3959.pdf - Martin R. Waszak and Dominick Andrisani, II, Uncertainty Modeling via Frequency Domain Model Validation, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-3959, August 9-11, 1999, (834KB)

NASA-aiaa-99-3989.pdf - Mark G. Ballin, David J. Wing, Monica F. Hughes and Sheila R. Conway, Airborne Separation Assurance and Traffic Management Research of Concepts and Technology, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-3989, August

NASA-aiaa-99-3998.pdf - Irene M. Gregory, Modified Dynamic Inversion to Control Large Flexible Aircraft---What's Going On?, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-3998, August 9-11, 1999, (1MB)

NASA-aiaa-99-4001.pdf - Aaron J. Ostroff and Barton J. Bacon, Force and Moment Approach for Achievable Dynamics Using Nonlinear Dynamic Inversion, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-4001, August 9-11, 1999, (228KB)

NASA-aiaa-99-4043.pdf - E. A. Morelli, Real-Time Parameter Estimation in the Frequency Domain, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-4043, August 9-11, 1999, (602KB)

NASA-aiaa-99-4124.pdf - J. Davidson, Jr., F. Lallman, J. D. McMinn, J. Martin, J. Pahle, M. Stephenson, J. Selmon and D. Bose, Flight Control Laws for NASA's Hyper-X Research Vehicle, 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-4124, August

NASA-aiaa-99-4162.pdf - Kelly J. Murphy, Robert J. Nowak, Richard A. Thompson, Brian R. Hollis and Ramadas K. Prabhu, X-33 Hypersonic Aerodynamic Characteristics, AIAA Atmospheric Flight Mechanics Conference, Portland, Oregon, AIAA 99-4162, August 9-11, 1999, (1MB)

NASA-aiaa-99-4163.pdf - Brian R. Hollis, Richard A. Thompson, Kelly J. Murphy, Robert J. Nowak, C.hristopher J. Riley, William A. Wood, Stephen J. Alter and Ramadas K. Prabhu, X-33 Aerodynamic and Aeroheating Computations for Wind Tunnel and Flight Conditions, AIAA Atmospheric F

NASA-aiaa-99-4193.pdf - Eric S. Miles, Paul C. Davis and David J. Wing, Development of a Free-Flight Simulation Infrastructure, AIAA Modeling and Simulation Technologies Conference and Exhibit, Portland, Oregon, AIAA 99-4193, August 9-11, 1999, (370KB)

NASA-aiaa-99-4231.pdf - Charles T. Phillips and Mark G. Ballin, A Cooperative Human-Adaptive Traffic Simulation (CHATS), 1999 AIAA Guidance, Navigation, and Control Conference, Portland, Oregon, AIAA 99-4231, August 9-11, 1999, (435KB)

NASA-aiaa-99-4328.pdf - Robert J. Telban, Frank M. Cardullo and Jacob A. Houck, Developments in Human Centered Cueing Algorithms for Control of Flight Simulator Motion Systems, AIAA Modeling and Simulation Technologies Conference and Exhibit, Portland, Oregon, AIAA 99-4328, Augu

NASA-aiaa-99-4818.pdf - David E. Reubush, Hyper-X Stage Separation---Background and Status, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia, AIAA 99-4818, November 1-5, 1999, (2MB)

NASA-aiaa-99-4836.pdf - Peter A. Gnoffo and George R. Inger, Numerical and Analytical Solutions of Hypersonic Interactions Involving Surface Property Discontinuities, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia, AIAA

NASA-aiaa-99-4844.pdf - V. Balepin, D. Rosholt and D. H. Petley, Progress in Air Separation With the Vortex Tube, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia, AIAA 99-4844, November 1-5, 1999, (586KB)

NASA-aiaa-99-4848.pdf - R. T. Voland, A. H. Auslender, M. K. Smart, A. Roudakov, V. Semenov and V. Kopchenov, CIAM/NASA Mach 6.5 Scramjet Flight and Ground Test Program, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia, AI

NASA-aiaa-99-4931.pdf - Gregory E. Moster and John G. Martin, Oscillatory Trajectories Applied to NASA's DF-7 Configuration, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia, AIAA 99-4931, November 1-5, 1999, (1MB)

NASA-aiaa-99-4948.pdf - P. L. Moses, K. A. Bouchard, R. F. Vause, S. Z. Pinckney, L. W. Taylor, III, S. M. Ferlemann, C. P. Leonard, J. S. Robinson, J. G. Martin, D. H. Petley and J. L. Hunt, An Airbreathing Launch Vehicle Design With Turbine-Based Low-Speed Propulsion and Dual

NASA-aiaa-99-4978.pdf - C. R. McClinton, J. L. Hunt, R. H. Ricketts, P. Reukauf and C. L. Peddie, Airbreathing Hypersonic Technology Vision Vehicles and Development Dreams, AIAA 9th International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia,

NASA-99-10ams-acw.pdf - Anne C. Wilber, G. Louis Smith and Paul W. Stackhouse, Jr., Regional Climatology and Surface Radiation Budget, American Meteorological Society 10th Conference on Atmospheric Radiation, Madison, Wisconsin, June 28--July 2, 1999, (177KB)

NASA-99-10ams-baw.pdf - Bruce A. Wielicki, Takmeng Wong, David F. Young, Bruce R. Barkstrom, R. B. Lee, III and Martial Haeffelin, Differences Between ERBE and CERES Tropical Mean Fluxes: ENSO, CLIMATE Change or Calibration?, American Meteorological Society 10th Conference on At

NASA-99-10ams-dfy.pdf - David F. Young, Patrick Minnis and Robert F. Arduini, A Comparison of Cloud Microphysical Properties Derived Using VIRS 3.7 um and 1.6 um Data, American Meteorological Society 10th Conference on Atmospheric Radiation, Madison, Wisconsin, June 28--July 2,

NASA-99-10ams-dpk.pdf - David P. Kratz, Kory J. Priestley and Richard N. Green, Determining the Relationship Between the Total and Window Channel Nighttime Radiances for the CERES Instrument, American Meteorological Society 10th Conference on Atmospheric Radiation, Madison, Wisc

NASA-99-10ams-jcc.pdf - Chris Currey and Richard Green, Validation of the CERES Shortwave Measurements Over Desert and Cloud Scenes, American Meteorological Society 10th Conference on Atmospheric Radiation, Madison, Wisconsin, June 28--July 2, 1999, (463KB)

NASA-99-10ams-kab.pdf - Kathryn A. Bush, G. Louis Smith and David F. Young, The NOAA-9 Earth Radiation Budget Experiment Wide Field-of-View Data Set, American Meteorological Society 10th Conference on Atmospheric Radiation, Madison, Wisconsin, June 28--July 2, 1999, (693KB)

NASA-99-10ams-skg.pdf - Shashi K. Gupta, Anne C. Wilber and David P. Kratz, Surface Emissivity Maps for Satellite Retrieval of the Longwave Radiation Budget, American Meteorological Society 10th Conference on Atmospheric Radiation, Madison, Wisconsin, June 28--July 2, 1999, (327

NASA-99-10amscar-pws.pdf - Paul W. Stackhouse, Jr., R. Bradley Pierce, Bryan A. Baum and Roberta C. DiPasquale, Combining Satellite Data, Trajectory Modeling and Surface Insolation Measurements to Deduce the Direct Radiative Effect of Smoke Aerosol, American Meteorological Society

NASA-99-10amscar-pws2.pdf - Paul W. Stackhouse, Jr., Stephen J. Cox, Shashi K. Gupta, Roberta C. Dipasquale and Donald E. Brown, The WCRP/GEWEX Surface Radiation Budget Project Release 2: First Results at 1 Degree Resolution, American Meteorological Society 10th Conference on Atmosp

NASA-99-10cmfea-arj.pdf - A. R. Johnson, A Viscoelastic Hybrid Shell Finite Element, Tenth Conference on the Mathematics of Finite Elements and Applications, Uxbridge, United Kingdom, June 22-25, 1999, (531KB)

NASA-99-10isap-act.pdf - Anna C. Trujillo, Changes in Pilot Behavior With Predictive System Status Information, Tenth International Symposium on Aviation Psychology, Columbus, Ohio, May 2-6, 1999, (79KB)

NASA-99-10isap-kal.pdf - Kara A. Latorella, A Safety Index and Method for Flightdeck Evaluation, Tenth International Symposium on Aviation Psychology, Columbus, Ohio, May 2-6, 1999, (73KB)

NASA-99-10srhw-jww.pdf - J. W. Wilson, J. L. Shinn, R. C. Singleterry, Jr., F. F. Badavi, G. D. Badhwar, G. Reitz, R. Beaujean and F. A. Cucinotta, Spaceflight Validation of HZETRN Code, 10th Space Radiation Health Workshop, Upton, New York, June 13-16, 1999, (45KB)

NASA-99-10srhw-myk.pdf - M. Y. Kim, J. L. Shinn, R. C. Singleterry, Jr., W. Atwell and J. W. Wilson, Solar Particle Event Exposures and Local Tissue Environments in Free Space and on Martian Surface, 10th Space Radiation Health Workshop, Upton, New York, June 13-16, 1999, (85KB)

NASA-99-10srhw-rcs.pdf - R. C. Singleterry, Jr., J. W. Wilson, A. H. Whitehead, Jr. and P. Goldhagen, Atmospheric Ionizing Radiation (AIR) Project Review, 10th Space Radiation Health Workshop, Upton, New York, June 13-16, 1999, (43KB)

NASA-99-10tfaw-dpl.pdf - D. P. Lockard, An Overview of Computational Aeroacoustic Modeling at NASA Langley, 10th Thermal and Fluids Analysis Workshop, Huntsville, Alabama, September 13-17, 1999, (2MB)

NASA-99-12iccm-ehg.pdf - E. H. Glaessgen, I. S. Raju and C. C. Poe, Jr., Modeling the Influence of Stitching on Delamination Growth in Stitched Warp-Knit Composite Lap Joints, 12th International Conference on Composite Materials, Paris, France, July 5-9, 1999, (694KB)

NASA-99-12iccm-tko.pdf - T. Kevin O'Brien, Arun D. Chawan and Kevin DeMarco, Influence of Specimen Preparation and Specimen Size on the Transverse Tensile Strength and Scatter of Glass Epoxy Laminates, 12th International Conference on Composite Materials, Paris, France, July 5-9,

NASA-99-137asaeaa-jcy.pdf - James C. Yu, Kenneth D. Wright, II, John S. Preisser and Michael A. Marcolini, Development of Field Measurement Systems for Flight Vehicle Noise, 137th ASA/EAA Forum Acusticum, Berlin, Germany, March 14-20, 1999, (312KB)

NASA-99-14asc-rk.pdf - Ronald Krueger, A Shell/3D Modeling Technique for Delaminations in Composite Laminates, 14th Annual Technical Conference of the American Society for Composites, Dayton, Ohio, September 27-29, 1999, (267KB)

NASA-99-14isae-rjb.pdf - R. J. Bakos, C-Y. Tsai, R. C. Rogers and A. T. Shih, The Mach 10 Component of NASA's Hyper-X Ground Test Program, 14th International Symposium on Airbreathing Engines, Florence, Italy, September 5-10, 1999, (213KB)

NASA-99-14isoabe-wce.pdf - Walter C. Engelund, Scott D. Holland, Charles E. Cockrell, Jr. and Robert D. Bittner, Propulsion System Airframe Integration Issues and Aerodynamic Database Development for the Hyper-X Flight Research Vehicle, 14th International Symposium on Airbreathing

NASA-99-15pace-js.pdf - John F. Shaeffer, Brett A. Cooper and Kam W. Hom, Analytic Bistatic k Space Images Compared to Experimental Swept Frequency ISAR Images, 15th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, California, March 15-20, 1999, (70

NASA-99-17issc-cmh.pdf - C. Michael Holloway, From Bridges and Rockets, Lessons for Software Systems, 17th International System Safety Conference, Orlando, Florida, August 16-21, 1999, (83KB)

NASA-99-18dasc-aem.pdf - Albert E. Motley, III, Goals Analysis Procedure---Guidelines for Applying the Goals Analysis Process, 18th Digital Avionics Systems Conference, St. Louis, Missouri, October 24-29, 1999, (1MB)

NASA-99-18dasc-txn.pdf - Truong Nguyen, RF Loading Effects of Aircraft Seats in an Electromagnetic Reverberating Environment, 18th Digital Avionics Systems Conference, St. Louis, Missouri, October 24-29, 1999, (387KB)

NASA-99-1bsbiw-jww.pdf - J. W. Wilson, F. A. Cucinotta, W. Schimmerling and M. Y. Kim, Impact of Track Structure Effects on Shielding and Dosimetry, First Biennial Space Biomedical Investigators' Workshop, League City, Texas, January 11-13, 1999, (1MB)

NASA-99-22amas-cp.pdf - C. Park, S. E. Lowther, J. G. Smith, Jr., J. W. Connell, P. M. Hergenrother and T. L. St. Clair, Novel Phenylethynyl Imide Silanes as Coupling Agents for Titanium Alloy, 22nd Annual Meeting of the Adhesion Society, Panama City Beach, Florida, February 21-

NASA-99-22amas-sel.pdf - S. E. Lowther, C. Park and T. L. St. Clair, A Novel Surface Treatment for Titanium Alloys, 22nd Annual Meeting of the Adhesion Society, Panama City Beach, Florida, February 21-24, 1999, (336KB)

NASA-99-22issw-jnm.pdf - J. N. Moss, T. Pot, B. Chanetz and M. Lefebvre, DSMC Simulation of Shock/Shock Interactions: Emphasis on Type IV Interactions, 22nd International Symposium on Shock Waves, London, England, July 18-23, 1999, (745KB)

NASA-99-25erf-clb.pdf - Casey L. Burley, Thomas F. Brooks, Bruce D. Charles and Megan McCluer, Tiltrotor Aeroacoustic Code (TRAC) Prediction Assessment and Initial Comparisons With Tram Test Data, 25th European Rotorcraft Forum, Rome, Italy, September 14-16, 1999, (5MB)

NASA-99-26qnde-bw.pdf - Buzz Wincheski and Min Namkung, Deep Flaw Detection With Giant Magnetoresistive (GMR) Based Self-Nulling Probe, 26th Annual Review of Progress in QNDE, Montreal, Canada, July 25-30, 1999, (795KB)

NASA-99-26qnde-eim.pdf - Eric I. Madaras and Robert F. Anastasi, Pseudo-Random Modulation of a Laser Diode for Generating Ultrasonic Longitudinal Waves, 26th Annual Review of Progress in QNDE, Montreal, Canada, July 25-30, 1999, (214KB)

NASA-99-26qnde-jhc.pdf - John H. Cantrell, Jr. and William T. Yost, Nonlinear Acoustical Assessment of Precipitate Nucleation and Growth in Aluminum Alloy 2024, 26th Annual Review of Progress in QNDE, Montreal, Canada, July 25-30, 1999, (549KB)

NASA-99-26qnde-mn.pdf - M. Namkung, R. A. Wincheski, S. Nath and J. P. Fulton, Characteristics of Electromagnetic Pulse Propagation in Metal, 26th Annual Review of Progress in QNDE, Montreal, Canada, July 25-30, 1999, (633KB)

NASA-99-26qnde-yap.pdf - Y. A. Plotnikov and W. P. Winfree, Temporal Treatment of a Thermal Response for Defect Depth Estimation, 26th Annual Review of Progress in QNDE, Montreal, Canada, July 25-30, 1999, pp. 8, also appeared in Review of Progress in QNDE, D. O. Thompson and D.

NASA-99-29ices-jww.pdf - J. W. Wilson, L. C. Simonsen, J. L. Shinn, M-H. Y. Kim, F. A. Cucinotta, F. F. Badavi and W. Atwell, Astronaut Exposures to Ionizing Radiation in a Lightly-Shielded Spacesuit, 29th International Conference on Environmental Systems, Denver, Colorado, July

NASA-99-2acam-tgr.pdf - T. G. Ryall, R. W. Moses, M. A. Hopkins, D. Henderson, D. G. Zimcik and F. Nitzsche, Buffet Load Alleviation, Second Australasian Congress on Applied Mechanics, Canberra, Australia, February 10-12, 1999, (282KB)

NASA-99-2issgb-jh.pdf - James Hereford, Peter A. Parker and Ray D. Rhew, TIGER: Development of Thermal Gradient Compensation Algorithms and Techniques, Second International Symposium on Strain Gauge Balances, Bedford, United Kingdom, May 4-7, 1999, (257KB)

NASA-99-31sampe-hlb.pdf - Harry L. Belvin, Roberto J. Cano, Monte Treasure and Thomas W. Shahood, Fabrication of Carbon-Boron Reinforced Dry Polymer Matrix Composite Tape, 31st SAMPE Technical Conference, Chicago, Illinois, October 27-31, 1999, (1MB)

NASA-99-3caa-raw.pdf - Buzz Wincheski and Min Namkung, Electromagnetic Detection of Fatigue Cracks Under Protruding Head Ferromagnetic Fasteners, Third Joint FAA/DoD/NASA Conference on Aging Aircraft, Albuquerque, New Mexico, September 20-23, 1999, (1MB)

NASA-99-3cawbp-dpl.pdf - David P. Lockard and Harold L. Atkins, An Application of the Quadrature-Free Discontinuous Galerkin Method, Third Computational Aeroacoustic Workshop on Benchmark Problems, Cleveland, Ohio, November 8-10, 1999, (7MB)

NASA-99-3ecratdl-mln.pdf - Michael L. Nelson, Kurt Maly, Mohammad Zubair and Stewart N. Shen, SODA: Smart Objects, Dumb Archives, Third European Conference on Research and Advanced Technology for Digital Libraries, Paris, France, September 22-24, 1999, (236KB)

NASA-99-3fec-jtl.pdf - Jason T. Lachowicz, Chung-Sheng Yao and Ronald D. Joslin, Physical Analysis and Scaling of a Jet and Vortex Actuator, 3rd Joint ASME/JSME Fluids Engineering Conference, San Francisco, California, FEDSM99-6921, July 18-22, 1999, (858KB)

NASA-99-3ieeemc-mln.pdf - Michael L. Nelson, Kurt Maly, Delwin R. Croom, Jr. and Steven W. Robbins, Metadata and Buckets in the Smart Object, Dumb Archive (SODA) Model, Third IEEE Metadata Conference, Bethesda, Maryland, April 6-7, 1999, (25KB).

NASA-99-3jcaa-dsd.pdf - D. S. Dawicke, J. C. Newman, Jr., J. H. Starnes, Jr., C. A. Rose, R. D. Young and B. R. Seshadri, Residual Strength Analysis Methodology: Laboratory Coupons to Structural Components, Third Joint FAA/DoD/NASA Conference on Aging Aircraft, Albuquerque, New

NASA-99-3jcaa-rdy.pdf - Richard D. Young, Cheryl A. Rose and James H. Starnes, Jr., Nonlinear Local Bending Response and Bulging Factors for Longitudinal and Circumferential Cracks in Pressurized Cylindrical Shells, Third Joint FAA/DoD/NASA Conference on Aging Aircraft, Albuquer

NASA-99-3jcaa-wpw.pdf - Willima P. Winfree, Noreen A. Cmar-Mascis and F. Raymond Parker, Enhanced Imaging of Corrosion in Aircraft Structures With Reverse Geometry X-Ray TM, Third Joint FAA/DoD/NASA Conference on Aging Aircraft, Albuquerque, New Mexico, September 20-23, 1999, (1

NASA-99-44sampe-abh.pdf - A. Bruce Hulcher, Joseph M. Marchello, Jeffrey A. Hinkley, Norman J. Johnston and Mark A. Lamontia, Dry Ribbon for Heated Head Automated Fiber Placement, 44th International SAMPE Symposium and Exhibition, Long Beach, California, May 23-27, 1999, (844KB)

NASA-99-44sampe-gah.pdf - Gale A. Harvey, Donald H. Humes and William H. Kinard, Mir Environmental Effects Payload and Returned Mir Solar Panel Cleanliness, 44th International SAMPE Symposium and Exhibition, Long Beach, California, May 23-27, 1999, (2MB)

NASA-99-44sampe-jls.pdf - J. L. Shinn, F. A. Cucinotta, R. C. Singleterry, Jr., J. W. Wilson, F. F. Badavi, G. D. Badhwar, J. Miller, C. J. Zeitlin, L. Heilbronn, R. K. Tripathi, M. S. Clowdsley and J. H. Heinbockel, A Radiation Shielding Code for Spacecraft and its Validation, 44

NASA-99-44sampe-jwc.pdf - John W. Connell, The Effect of Low Earth Orbit Atomic Oxygen Exposure on Phenylphosphine Oxide-Containing Polymers, 44th International SAMPE Symposium and Exhibition, Long Beach, California, May 23-27, 1999, (7MB)

NASA-99-44sampe-lmn.pdf - Lee M. Nicholson, Karen S. Whitley, Thomas S. Gates and Jeffrey A. Hinkley, How Molecular Structure Affects Mechanical Properties of an Advanced Polymer, 44th International SAMPE Symposium and Exhibition, Long Beach, California, May 23-27, 1999, (506KB)

NASA-99-44sampe-mhyk.pdf - M.-H. Y. Kim, L. Heilbronn, S. A. Thibeault, L. C. Simonsen, J. W. Wilson, K. Chang, R. L. Kiefer and H. G. Maahs, Considerations Concerning the Development and Testing of In Situ Materials for Martian Exploration, 44th International SAMPE Symposium and E

NASA-99-44sampe-rcc.pdf - Robert C. Costen and Joseph M. Marchello, Tape-Drop Transient Model for In Situ Automated Tape Placement of Thermoplastic Composites, 44th International SAMPE Symposium and Exhibition, Long Beach, California, May 23-27, 1999, This document requires 8.5 x

NASA-99-44spie-gaf.pdf - G. A. Fleming and A. W. Burner, Deformation Measurements of Smart Aerodynamic Surfaces, 44th Annual SPIE International Symposium on Optical Science, Engineering, and Instrumentation, Denver, Colorado, July 18-23, 1999, (2MB)

NASA-99-44spie-jp.pdf - Jack Paden, G. Louis Smith, Robert B. Lee, III, Dhirendra K. Pandey, Kory J. Priestley, Susan Thomas and Robert S. Wilson, Point Response Characteristics for the CERES/EOS-PM, FM3 & FM4 Instruments, SPIE's 44th Annual Meeting, Denver, Colorado, July 18-23

NASA-99-45iis-ta.pdf - Tahani Amer, John Tripp, Ping Tcheng, Cecil Burkett and Bradley Sealey, Characterization and Uncertainty Analysis of a Reference Pressure Measurement System for Wind Tunnels, 45th International Instrumentation Symposium, Albuquerque, New Mexico, May 2-6,

NASA-99-4icgl-mln.pdf - Michael L. Nelson and Kurt Maly, Preserving the Pyramid of STI Using Buckets, Fourth International Conference on Grey Literature, Washington, DC, October 4-5, 1999, (689KB)

NASA-99-50iac-dwm.pdf - Donald W. Monell and William M. Piland, Aerospace Systems Design in NASA's Collaborative Engineering Environment, 50th International Astronautical Congress, Amsterdam, The Netherlands, October 4-8, 1999, (1MB)

NASA-99-50iac-mps.pdf - Mark Saunders, Wayne Richie, John F. Rogers and Arlene A. Moore, Predicting Mission Success in Small Satellite Missions, 50th International Astronautical Congress, Amsterdam, The Netherlands, IAF-99-IAA.11, October 4-8, 1999, (1MB)

NASA-99-55ahs-dac.pdf - David A. Conner, Michael A. Marcolini, William A. Decker, John H. Cline, Bryan D. Edwards, Colby O. Nicks and Peter D. Klein, XV-15 Tiltrotor Low Noise Approach Operations, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Ca

NASA-99-55ahs-erb.pdf - Earl R. Booth, Jr., Megan McCluer and Hormoz Tadghighi, Acoustic Characteristics of a Model Isolated Tiltrotor in DNW, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canada, May 25-27, 1999, (3MB)

NASA-99-55ahs-glg.pdf - G. L. Ghiringhelli, P. Masarati, P. Mantegazza and M. W. Nixon, Multi-Body Analysis of the 1/5 Scale Wind Tunnel Model of the V-22 Tiltrotor, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canada, May 25-27, 1999, (686KB)

NASA-99-55ahs-jmw.pdf - James M. Wang, Christopher T. Jones and Mark W. Nixon, A Variable Diameter Short Haul Civil Tiltrotor, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canada, May 25-27, 1999, (330KB)

NASA-99-55ahs-lay.pdf - Larry A. Young, Earl R. Booth, Jr., Gloria K. Yamauchi, Gavin B. Botha and Seth Dawson, Overview of the Testing of a Small-Scale Proprotor, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canada, May 25-27, 1999, (2MB)

NASA-99-55ahs-mwn.pdf - Mark W. Nixon, David J. Piatak, Lawrence M. Corso and David Popelka, Aeroelastic Tailoring for Stability Augmentation and Performance Enhancements of Tiltrotor Aircraft, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canad

NASA-99-55ahs-olsm.pdf - Odilyn L. Santa Maria, F. Farassat and Philip J. Morris, Two-Dimensional Fourier Transform Analysis of Helicopter Flyover Noise, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canada, May 25-27, 1999, (3MB)

NASA-99-55ahs-wkw.pdf - W. Keats Wilkie, Matthew L. Wilbur, Paul H. Mirick, Carlos E. S. Cesnik and SangJoon Shin, Aeroelastic Analysis of the NASA/ARMY/MIT Active Twist Rotor, American Helicopter Society 55th Annual Forum and Technology Display, Montreal, Canada, May 25-27, 199

NASA-99-57tcspe-lmn.pdf - Lee M. Nicholson, Jeffrey A. Hinkley, Karen S. Whitley and Thomas S. Gates, Effects of Molecular Structure on Macroscopic Mechanical Properties of an Advanced Polymer (LaRCTM-SI), 57th Annual Technical Conference of the Society of Plastics Engineers, New

NASA-99-5isnat-fmc.pdf - Frank M. Cardullo, Robert J. Telban and Jacob A. Houck, Motion Cueing Algorithms: A Human Centered Approach, Fifth International Symposium on New Aviation Technologies, Moscow, Russia, August 17-21, 1999, (953KB)

NASA-99-5slsadise-vnv.pdf - Veer N. Vatsa, Computation of Sensitivity Derivatives of Navier-Stokes Equations Using Complex Variables, Fifth Symposium on the Large-Scale Analysis and Design and ISE, Williamsburg, Virginia, October 12-15, 1999, (82KB)

NASA-99-5slsadise-wrw.pdf - Willie R. Watson and Olaf O. Storaasli, Application of NASA General-Purpose Solver to Large-Scale Computations in Aeroacoustics, Fifth Symposium on the Large-Scale Analysis and Design and ISE, Williamsburg, Virginia, October 12-15, 1999, (443KB)

NASA-99-6spie-bkt.pdf - Barmac K. Taleghani and Joel F. Campbell, Non-Linear Finite Element Modeling of THUNDER Piezoelectric Actuators, SPIE 6th Annual International Symposium on Smart Structures and Materials, Newport Beach, California, March 1-5, 1999, (925KB)

NASA-99-6spie-gch1.pdf - Garnett C. Horner, Leslie Bromberg and J. P. Teter, A Cryogenic Magnetostrictive Actuator Using a Persistent High Temperature Superconducting Magnet, Part 1: Concept and Design, SPIE 6th Annual International Symposium on Smart Structures and Materials, Ne

NASA-99-6spie-gch2.pdf - Garnett C. Horner and Barmac K. Taleghani, Single Axis Piezoceramic Gimbal, SPIE 6th Annual International Symposium on Smart Structures and Materials, Newport Beach, California, March 1-5, 1999, (205KB)

NASA-99-6spie-lbs.pdf - L. B. Scherer, C. A. Martin, M. West, J. P. Florance, C. D. Wieseman, A. W. Burner and G. A. Fleming, DARPA/AFRL/NASA Smart Wing Second Wind Tunnel Test Results, SPIE 6th Annual International Symposium on Smart Structures and Materials, Newport Beach, Cal

NASA-99-6spie-shc.pdf - Sang H. Choi, Sang Hyon Chu, M. Kwak and A. D. Cutler, A Study on a Microwave-Driven Smart Material Actuator, SPIE 6th Annual International Symposium on Smart Structures and Materials, Newport Beach, California, March 1-5, 1999, (1MB)

NASA-99-6spie-tlb.pdf - Timothy Brown, Karen Wood, Brooks Childers, Roberto Cano, Brian Jensen and Robert Rogowski, Fiber Optic Sensors for Health Monitoring of Morphing Aircraft, SPIE 6th Annual International Symposium on Smart Structures and Materials, Newport Beach, Californi

NASA-99-79ams-lhc.pdf - Lin H. Chambers, David F. Young, Carolyn J. Green, Martial P. Haeffelin and Anne M. Racel, The CERES S'COOL Project: Operational but Not Routine, Eighth Education Symposium of the 79th Annual Meeting of the American Meteorological Society, Dallas, Texas,

NASA-99-7ifc-rsp.pdf - R. S. Piascik, The Growth of Small Corrosion Fatigue Cracks in Alloy 7075, Fatigue '99: Seventh International Fatigue Conference, Beijing, China, June 8-12, 1999, (587KB)

NASA-99-8aro-djp.pdf - David J. Piatak and Donald L. Kunz, Experimental Investigation of a Fullspan Tiltrotor Model With Higher-Harmonic Vibration Control, Eighth ARO Workshop on Aeroelasticity of Rotorcraft Systems, State College, Pennsylvania, October 17-20, 1999, (477KB)

NASA-99-9asncm-erg.pdf - Edward R. Generazio, Overview of the National Aeronautics and Space Administration's (NASA) Nondestructive Evaluation (NDE) Program, Ninth Annual Symposium on Nondestructive Characterization of Materials, Sydney, Australia, June 28--July 2, 1999, (152KB)

NASA-99-aans-jes.pdf - John E. Stewart, R. Scott Graham, Jamshid A. Samareh, Eric J. Oberlander and William C. Broaddus, Creation of Anatomically Accurate Computer Aided Design (CAD) Solid Models From Medical Images, American Association of Neurological Surgeons Annual Meeting,

NASA-99-aas103-mmm.pdf - Michelle M. Munk, Departure Energies, Trip Times and Entry Speeds for Human Mars Missions, Ninth AAS/AIAA Spaceflight Mechanics Conference, Breckenridge, Colorado, AAS 99-103, February 7-10, 1999, (1MB)

NASA-99-aasasc-pnd.pdf - Presun N. Desai and F. McNeil Cheatwood, Entry Dispersion Analysis for the Genesis Sample Return Capsule, AAS/AIAA Astrodynamics Specialist Conference, Girdwood, Alaska, AAS 99-469, August 16-18, 1999, (420KB)

NASA-99-acc-mam.pdf - Mark A. Motter, Control of the NASA Langley 16-Foot Transonic Tunnel With the Self-Organizing Map, 1999 American Control Conference, San Diego, California, June 2-4, 1999, (144KB)

NASA-99-acc-pjh.pdf - Pam Haley, Don Soloway and Brian Gold, Real-Time Adaptive Control Using Neural Generalized Predictive Control, 1999 American Control Conference, San Diego, California, June 2-4, 1999, (358KB)

NASA-99-acc-ym.pdf - Y. Mao, A. G. Kelkar and S. M. Joshi, Synthesis of Optimal Constant-Gain Positive-Real Controllers for Passive Systems, 1999 American Control Conference, San Diego, California, June 2-4, 1999, (526KB)

NASA-99-acss-cp.pdf - C. Park, S. E. Lowther and J. G. Smith, Jr., Organic-Inorganic Hybrids Using Novel Phenylethynyl Imide Silanes, 1999 American Chemical Society Symposium, New Orleans, Louisana, August 22-26, 1999, (1MB)

NASA-99-acusticum-ff.pdf - F. Farassat and Mark Farris, Acoustic Energy Estimates in Inhomogeneous Moving Media, 137th ASA/EAA Forum Acusticum 1999, Berlin, Germany, March 14-20, 1999, (3MB)

NASA-99-adtp-rae.pdf - R. A. Everett, Jr. and W. Elber, Damage Tolerance Issues as Related to Metallic Rotorcraft Dynamic Components, NATO/RTO Spring Symposium on Aging Systems: Application of Damage Tolerance Principles for Improved Airworthiness of Rotorcraft, Corfu, Greece,

NASA-99-answm-act.pdf - Anna C. Trujillo and Paul C. Schutte, Non-Traditional Displays for Mission Monitoring, American Nuclear Society 1999 Winter Meeting and Embedded Topical Meetings, Long Beach, California, November 14-18, 1999, (28KB)

NASA-99-asmo-nma.pdf - Natalia M. Alexandrov and Robert Michael Lewis, Comparative Properties of Collaborative Optimization and Other Approaches to MDO, First ASMO/UK/ISSMO Conference on Engineering Design Optimization, Ilkley, United Kingdom, July 8-9, 1999, (47KB)

NASA-99-cannie-jlr.pdf - J. L. Rogers, Optimum Actuator Selection With a Genetic Algorithm for Aircraft Control, Conference on Artificial Neural Network in Engineering, St. Louis, Missouri, November 7-10, 1999, (138KB)

NASA-99-ceas-arm.pdf - A. R. McGowan, An Examination of Applying Shunted Piezoelectrics to Reduce Aeroelastic Response, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June 22-25, 1999, (3MB)

NASA-99-ceas-jas.pdf - Jamshid A. Samareh, A Survey of Shape Parameterization Techniques, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June 22-25, 1999, also appears in NASA/CP-1999-209136/PT1, p. 333-3

NASA-99-ceas-jnj.pdf - Jer-Nan Juang and Peiman G. Maghami, Optimal System Realization in Frequency Domain, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June 22-25, 1999, (402KB)

NASA-99-ceas-lgh.pdf - Lucas G. Horta, Robert H. Daugherty and Veloria J. Martinson, Actively Controlled Landing Gear for Aircraft Vibration Reduction, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June

NASA-99-ceas-rwm.pdf - Robert W. Moses and Gautam H. Shah, Correlation of Fin Buffet Pressures on an F/A-18 With Scaled Wind-Tunnel Measurements, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June 22-25,

NASA-99-ceas-vm.pdf - Vivek Mukhopadhyay, Transonic Flutter Suppression Control Law Design, Analysis, and Wind-Tunnel Test Results, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June 22-25, 1999, (647KB

NASA-99-cr208725.pdf - Mark S. Smith, Analysis of Wind Tunnel Oscillatory Data of the X-31A Aircraft, NASA/CR-1999-208725, February 1999, pp. 126, (3MB)

NASA-99-cr208971.pdf - Steven P. Miller and James N. Potts, Detecting Mode Confusion Through Formal Modeling and Analysis, NASA/CR-1999-208971, January 1999, pp. 69, (728KB)

NASA-99-cr208973.pdf - Hormoz Tadghighi and R. Ganesh Rajagopalan, A User's Manual for ROTTILT Solver: Tiltrotor Fountain Flow Field Prediction, NASA/CR-1999-208973, January 1999, pp. 88, (1MB)

NASA-99-cr208983.pdf - Eric M. Gaier, Alexander Edlich, Tara E. Santmire and Earl R. Wingrove, III, The Aviation System Analysis Capability Air Carrier Cost-Benefit Model, NASA/CR-1999-208983, January 1999, pp. 55, (584KB)

NASA-99-cr208984.pdf - Jesse Johnson and Tara Santmire, Aviation System Analysis Capability Air Carrier Investment Model---Cargo, NASA/CR-1999-208984, January 1999, pp. 41, (644KB)

NASA-99-cr208987.pdf - Dou Long, David A. Lee, Eric M. Gaier, Jesse P. Johnson and Peter F. Kostiuk, A Method for Forecasting the Commercial Air Traffic Schedule in the Future, NASA/CR-1999-208987, January 1999, pp. 84, (858KB)

NASA-99-cr208988.pdf - Dou Long, David A. Lee, Jesse Johnson, Eric M. Gaier and Peter F. Kostiuk, Modeling Air Traffic Management Technologies With a Queuing Network Model of the National Airspace System, NASA/CR-1999-208988, January 1999, pp. 121, (725KB)

NASA-99-cr208989.pdf - Robert Hemm, Gerald Shapiro, David A. Lee, Joana Gribko and Bonnie Glaser, Benefit Estimates of Terminal Area Productivity Program Technologies, NASA/CR-1999-208989, January 1999, pp. 144, (1MB)

NASA-99-cr208990.pdf - Russell Ege, James A. Villani and Paul Ritter, Aviation System Analysis Capability Quick Response System Report for Fiscal Year 1998, NASA/CR-1999-208990, January 1999, pp. 87, (2MB)

NASA-99-cr208991.pdf - Mandayam K. Srivas, Ravi Hosabettu and Ganesh Gopalakrishnan, A Systematic Methodology for Verifying Superscalar Microprocessors, NASA/CR-1999-208991, February 1999, pp. 39, (705KB)

NASA-99-cr208992.pdf - Steven P. Miller, David A. Greve, Matthew M. Wilding and Mandayam K. Srivas, Formal Verification of the AAMP-FV Microcode, NASA/CR-1999-208992, February 1999, pp. 72, (837KB)

NASA-99-cr208993.pdf - Alice C. Chang, Modified Phenylethynyl Containing Imides for Secondary Bonding: Non-Autoclave, Low Temperature Processable Adhesives, NASA/CR-1999-208993, February 1999, pp. 14, (547KB)

NASA-99-cr208994.pdf - Robert P. Ley, Weichuan Lin and Uy Mbanefo, Facesheet Wrinkling in Sandwich Structures, NASA/CR-1999-208994, January 1999, pp. 49, (1MB)

NASA-99-cr209002.pdf - Gerald W. Bielak, John W. Premo and Alan S. Hersh, Advanced Turbofan Duct Liner Concepts, NASA/CR-1999-209002, February 1999, pp. 235, appendices are not available electronically. (2MB)

NASA-99-cr209096.pdf - Daniel Yuchnovicz, Malcolm A. Burgess and William Hammers, An Assessment of Technical and Production Risks of Candidate Low-Cost Attitude/Heading Reference Systems (AHRS), NASA/CR-1999-209096, February 1999, pp. 64, (652KB)

NASA-99-cr209115.pdf - Chuin-Shan Chen, Paul A. Wawrzynek and Anthony R. Ingraffea, Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages, NASA/CR-1999-209115, March 1999, pp. 189, (6MB)

NASA-99-cr209117.pdf - James E. Phelps, Fabrication and Assembly of High-Precision Hinge and Latch Joints for Deployable Optical Instruments, NASA/CR-1999-209117, August 1999, pp. 26, (1MB)

NASA-99-cr209118.pdf - Eileen Roberts and Peter Kostiuk, Aviation System Analysis Capability Executive Assistant Analyses, NASA/CR-1999-209118, March 1999, pp. 42, (331KB)

NASA-99-cr209119.pdf - Eileen Roberts, James A. Villani, Kevin Anderson and Paul Book, Aviation System Analysis Capability Executive Assistant Development, NASA/CR-1999-209119, March 1999, pp. 160, (762KB)

NASA-99-cr209321.pdf - Sam Owre and Natarajan Shankar, The Formal Semantics of PVS, NASA/CR-1999-209321, May 1999, pp. 74, (2MB)

NASA-99-cr209338.pdf - J. D. McLean, J. D. Crouch, R. C. Stoner, S. Sakurai, G. E. Seidel, W. M. Feifel and H. M. Rush, Study of the Application of Separation Control by Unsteady Excitation to Civil Transport Aircraft, NASA/CR-1999-209338, June 1999, pp. 64, (1MB)

NASA-99-cr209347.pdf - John Rushby, Partitioning in Avionics Architectures: Requirements, Mechanisms, and Assurance, NASA/CR-1999-209347, June 1999, pp. 73, (791KB)

NASA-99-cr209356.pdf - Russell Ege, Jerome Brown, Kevin A. Bradley and Fabio Grandi, The Aviation System Analysis Capability Noise Impact Model, NASA/CR-1999-209356, July 1999, pp. 120, (8MB)

NASA-99-cr209366.pdf - R. K. Prabhu, An Inviscid Computational Study of an X-33 Configuration at Hypersonic Speeds, NASA/CR-1999-209366, July 1999, pp. 23, (6MB)

NASA-99-cr209527.pdf - Daniel P. Giesy and David M. Christhilf, Cg/Stability Map for the Reference H Cycle 3 Supersonic Transport Concept Along the High Speed Research Baseline Mission Profile, NASA/CR-2000-209527, December 1999, pp. 37, (451KB)

NASA-99-cr209544.pdf - Sharon S. Graves, Investigation of a Technique for Measuring Dynamic Ground Effect in a Subsonic Wind Tunnel, NASA/CR-1999-209544, August 1999, pp. 66, (915KB)

NASA-99-cr209547.pdf - Vladislav Klein, Modeling of Longitudinal Unsteady Aerodynamics of a Wing-Tail Combination, NASA/CR-1999-209547, September 1999, pp. 29, (259KB)

NASA-99-cr209548.pdf - Peter Kostiuk, Gerald Shapiro, Dave Hanson, Stephan Kolitz, Frank Leong, Gene Rosch, Marc Coumeri, Peter Scheidler, Jr. and Charles Bonesteel, A System for Integrated Reliability and Safety Analyses, NASA/CR-1999-209548, August 1999, pp. 82, (715KB)

NASA-99-cr209550.pdf - Andrew Turnbull, The Typical General Aviation Aircraft, NASA/CR-1999-209550, September 1999, pp. 28, (383KB)

NASA-99-cr209686.pdf - Catherine A. Jorgensen, An Initial Strategy for Commercial Industry Awareness of the International Space Station, NASA/CR-1999-209686, October 1999, pp. 13, (339KB)

NASA-99-cr209687.pdf - Lawrence P. Barisciano, Jr., Broadband Transmission Loss Due to Reverberant Excitation, NASA/CR-1999-209687, November 1999, pp. 102, (4MB)

NASA-99-cr209731.pdf - Edward J. Johnson and Paul V. Hyer, Roll-Out and Turn-Off Display Software for Integrated Display System, NASA/CR-1999-209731, November 1999, pp. 56, (900KB)

NASA-99-cr209822.pdf - David E. Glass, Jonathan C. Stevens, R. Frank Vause, Peter M. Winn, Jsmrd F. Maguire, Glenn C. Driscoll, Charles L. Blackburn and Brian H. Mason, Analysis and Design of the NASA Langley Cryogenic Pressure Box, NASA/CR-1999-209822, December 1999, pp. 148,

NASA-99-cr209842.pdf - Steven E. Doerner and Andrew D. Cutler, Effects of Jet Swirl on Mixing of a Light Gas Jet in a Supersonic Airstream, NASA/CR-1999-209842, December 1999, pp. 128, (2MB)

NASA-99-dlib-mln.pdf - Kurt Maly, Michael L. Nelson and Mohammad Zubair, Smart Objects, Dumb Archives: A User-Centric, Layered Digital Library Framework, D-Lib Magazine, vol. 5, no. 3, March 1999

NASA-99-eosspie-ggg.pdf - Gary G. Gibson and Bruce A. Wielicki, CERES: The Next Generation of Earth Radiation Budget Measurements, EOS/SPIE Symposium on Remote Sensing, Florence, Italy, September 20-24, 1999, (569KB)

NASA-99-eosspie-ign.pdf - I. G. Nolt, M. Vanek, N. D. Tappan, P. Minnis, J. L. Alltop, P. A. Ade, C. Lee, P. A. Hamilton, K. F. Evans, A. H. Evans, E. Clothiaux and A. J. Baran, Far Infrared Measurements of Cirrus, EOS/SPIE Symposium on Remote Sensing, Florence, Italy, September 2

NASA-99-eosspie-jp.pdf - Jack Paden, Dhirendra K. Pandey, Robert B. Lee, III and Kory J. Priestley, Self Validation of Radiance Measurements From the CERES (TRMM) Instrument, EOS/SPIE Symposium on Remote Sensing, Florence, Italy, September 20-24, 1999, (416KB)

NASA-99-icaf-ceh.pdf - Charles E. Harris, Robert S. Piascik and James C. Newman, Jr., A Practical Engineering Approach to Predicting Fatigue Crack Growth in Riveted Lap Joints, ICAF '99 International Committee on Aeronautical Fatigue, Bellevue, Washington, July 12-16, 1999, (1M

NASA-99-icaf-jcn.pdf - J. C. Newman, Jr., Advances in Fatigue and Fracture Mechanics Analyses for Aircraft Structures, ICAF '99 International Committee on Aeronautical Fatigue, Bellevue, Washington, July 12-16, 1999, (801KB)

NASA-99-icca-bw.pdf - Bernice Weinstein, Detecting Controller Malfunctions in Electromagnetic Environments: Part I---Modeling and Estimation of Nominal System Function, 1999 IEEE International Conference on Control Applications, Kohala Coast, Hawaii, August 22-27, 1999, (457KB

NASA-99-icca-mrm.pdf - Mahyar Malekpour and Wilfredo Torres, Characterization of a Recoverable Flight Control Computer System, 1999 IEEE International Conference on Control Applications, Kohala Coast, Hawaii, August 22-27, 1999, (268KB)

NASA-99-ieeeicca-cmb.pdf - Celeste M. Belcastro, Detecting Controller Malfunctions in Electromagnetic Environments: Part II---Design and Analysis of the Detector, 1999 IEEE International Conference on Control Applications, Kohala Coast, Hawaii, August 22-27, 1999, (783KB)

NASA-99-ieeeius-rfa.pdf - R. F. Anastasi and E. I. Madaras, Pulse Compression Techniques for Laser Generated Ultrasound, IEEE International Ultrasonic Symposium, Lake Tahoe, Nevada, October 17-20, 1999, (348KB)

NASA-99-ifasd-glg.pdf - G. L. Ghiringhelli, P. Masarati, P. Mantegazza and M. W. Nixon, Multi-Body Analysis of an Active Control for a Tiltrotor, CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, Williamsburg, Virginia, June 22-25,

NASA-99-ijcnn-rwr.pdf - Richard W. Ross and David L. Hibler, Target Recognition Using Neural Networks for Model Deformation Measurements, 1999 International Joint Conference on Neural Networks, Washington DC, July 10-16, 1999, (46KB)

NASA-99-isarvs-bnp.pdf - Bandu N. Pamadi and Gregory J. Brauckmann, Aerodynamic Characteristics and Development of the Aerodynamic Database of the X-34 Reusable Launch Vehicle, International Symposium on Atmospheric Reentry Vehicles and Systems, Arcachon, France, March 16-18, 199

NASA-99-isarvs-pnd.pdf - Prasun N. Desai, Robert A. Mitcheltree and F. McNeil Cheatwood, Entry Trajectory Issues for the Stardust Sample Return Capsule, International Symposium on Atmospheric Reentry Vehicles and Systems, Arcachon, France, March 16-18, 1999, (574KB)

NASA-99-isarvs-ram.pdf - Robert A. Mitcheltree and Sotiris Kellas, A Passive Earth-Entry Capsule for Mars Sample Return, International Symposium on Atmospheric Reentry Vehicles and Systems, Arcachon, France, March 16-18, 1999, (341KB)

NASA-99-isdl-km.pdf - K. Maly, M. Zubair, X-M. Liu, M. L. Nelson and S. J. Zeil, Structured Course Objects in a Digital Library, International Symposium on Digital Libraries (ISDL '99), Tsukuba, Japan, September 28-29, 1999, (428KB)

NASA-99-isssvc-fhs.pdf - Frederic H. Stillwagen, Communications and Tracking of Visiting Vehicles Near International Space Station (ISS)---The Design Approach of the Reusable Launch Vehicle (RLV) Communications, AIAA International Space Station Service Vehicles Conference, Housto

NASA-99-iutam-dgl.pdf - D. G. Lasseigne, W. O. Criminale, R. D. Joslin and T. L. Jackson, Receptivity and Bypass Dynamics, IUTAM Symposium on Laminar-Turbulent Transition, Sedona, Arizona, September 13-17, 1999, (470KB)

NASA-99-iutam-rak.pdf - Rudolph A. King and Kenneth S. Breuer, Non-Localized Acoustic Receptivity and Subsequent Disturbance Growth in a Blasius Boundary Layer, IUTAM Symposium on Laminar-Turbulent Transition, Sedona, Arizona, September 13-17, 1999, (460KB)

NASA-99-jne-whp.pdf - W. H. Prosser, M. A. Hamstad, J. Gary and A. O'Gallagher, Finite Element and Plate Theory Modeling of Acoustic Emission Waveforms, Journal of Nondestructive Evaluation, vol. 18, no. 3, September 1999, pp. 83-90, (127KB PS, 76KB PDF)

NASA-99-joa-awb.pdf - Alpheus W. Burner, Tianshu Liu, Sanjay Garg, James H. Bell and Daniel G. Morgan, Unified Model Deformation and Flow Transition Measurements, Journal of Aircraft, vol. 36, no. 5, September--October 1999, pp. 898-901, (2MB)

NASA-99-joaep29-whp.pdf - William H. Prosser, Michael R. Gorman and Donald H. Humes, Acoustic Emission Signals in Thin Plates Produced by Impact Damage, Journal of Acoustic Emission, vol. 17, no. 1-2, June, 1999, pp. 29-36, (100KB)

NASA-99-joaep37-whp.pdf - W. H. Prosser, M. A. Hamstad, J. Gary and A. O'Gallagher, Reflections of AE Waves in Finite Plates: Finite Element Modeling and Experimental Measurements, Journal of Acoustic Emission, vol. 17, no. 1-2, June, 1999, pp. 37-47, (381KB)

NASA-99-joasa-whp.pdf - W. H. Prosser, Michael D. Seale and Barry T. Smith, Time-Frequency Analysis of the Dispersion of Lamb Modes, Journal of the Acoustical Society of America, vol. 105, no. 5, May, 1999, pp. 2669-2676, (323KB)

NASA-99-josav-ff.pdf - F. Farassat and M. H. Dunn, A Simple Derivation of the Acoustic Boundary Condition in the Presence of Flow, Journal of Sound and Vibration, vol. 224, no. 2, July 8, 1999, pp. 384-386, (41KB)

NASA-99-josv-mhd.pdf - M. H. Dunn, J. Tweed and F. Farassat, The Application of a Boundary Integral Equation Method to the Prediction of Ducted Fan Engine Noise, Journal of Sound and Vibration, vol. 227, no. 5, November 1999, pp. 1019-1048, (2MB)

NASA-99-lgrss-cjg.pdf - Carolyn J. Green, Lin H. Chambers and Anne M. Racel, S'COOL Provides Research Opportunities and Current Data for Today's Technological Classroom, IEEE 1999 International Geoscience and Remote Sensing Symposium, Hamburg, Germany, June 28--July 2, 1999, (89

NASA-99-marsw-jww.pdf - J. W. Wilson, M. Y. Kim, M. S. Clowdsley, J. H. Heinbockel, R. K. Tripathi, R. C. Singleterry, Jr., J. L. Shinn and R. Suggs, Mars Surface Ionizing Radiation Environment: Need for Validation, MARS 2001 Workshop, Houston, Texas, October 2-4, 1999, (272KB)

NASA-99-mmitas-ff.pdf - F. Farassat and Mark Farris, The Mean Curvature of the Influence Surface of Wave Equation With Sources on a Moving Surface, Mathematical Methods in the Applied Sciences, vol. 22, no. 17, November 25, 1999, pp. 1485-1503, (403KB)

NASA-99-mrs-cp.pdf - C. Park, Z. Ounaies, J. Su, J. G. Smith, Jr. and J. S. Harrison, Polarization Stability of Amorphous Piezoelectric Polyimides, Materials Research Society Fall Meeting, Boston, Massachusetts, November 29--December 3, 1999, (1MB)

NASA-99-mrs-js.pdf - J. Su, Z. Ounaies and J. S. Harrison, Ferroelectric and Piezoelectric Properties of Blends of Poly(Vinylidene-Trifluorethylene) and Graft Elastomer, Materials Research Society Fall Meeting, Boston, Massachusetts, November 29-December 3, 1999, (88KB)

NASA-99-mrs-tlj.pdf - T. Jordan, Z. Ounaies, J. Tripp and P. Tcheng, Electrical Properties and Power Considerations of a Piezoelectric Actuator, Materials Research Society Fall Meeting, Boston, Massachusetts, November 29--December 3, 1999, (130KB)

NASA-99-mscauc-aam.pdf - Alexander Muravyov, Determination of Nonlinear Stiffness Coefficients for Finite Element Models With Application to the Random Vibration Problem, 1999 MSC Aerospace Users' Conference, Long Beach, California, June 7-10, 1999, (102KB)

NASA-99-niam-ang.pdf - A. N. Golovchenko, J. Skvar, R. Ili, L. Sihver, V. P. Bamblevski, S. P. Tretyakova, D. Schardt, R. K. Tripathi and J. W. Wilson, Fragmentation of 200 and 244 MeV/n Carbon Beams in Thick Tissue-Like Absorbers, Nuclear Instruments and Methods in Physics Res

NASA-99-opticon-jhr.pdf - Jay H. Robinson, Shape Optimization of Cylindrical Shell for Interior Noise, OptiCON '99, Newport Beach, California, October 14-15, 1999, (85KB)

NASA-99-rscpm-ved.pdf - Victor E. Delnore, Stephen K. Cox and Robert J. Curran, CRYSTAL---The Cirrus Regional Study of Tropical Anvils and Cirrus Layers, Remote Sensing of Cloud Parameters Meeting, Delft, The Netherlands, October 21-22, 1999, (56KB)

NASA-99-sadofv-cgm.pdf - C. G. Miller, Development of X-33/X-34 Aerothermodynamic Data Bases: Lessons Learned and Future Enhancements, NATO-AVT Symposium on Aerodynamic Design and Optimization of Flight Vehicles in a Concurrent Multi-Disciplinary Environment, Ottawa, Canada, Octo

NASA-99-semsce-ceh.pdf - Charles E. Harris, Timothy W. Coats and Edward H. Glaessgen, Experimental Verification of Computational Models for Laminated Composites, 1999 Society for Experimental Mechanics Spring Conference and Exposition, Cincinnati, Ohio, June 7-9, 1999, (558KB)

NASA-99-semsce-dra.pdf - Damodar R. Ambur, David M. McGowan and Donald J. Baker, Compression Response of Notched Composite Stiffened Panels: Analysis and Experiments, 1999 Society for Experimental Mechanics Spring Conference and Exposition, Cincinnati, Ohio, June 7-9, 1999, (621K

NASA-99-semsce-ehg.pdf - E. H. Glaessgen, I. S. Raju and C. C. Poe, Jr., Debonding of Stitched Composite Joints: Testing and Analysis, 1999 Society for Experimental Mechanics Spring Conference and Exposition, Cincinnati, Ohio, June 7-9, 1999, (462KB)

NASA-99-semsce-jhs.pdf - James H. Starnes, Jr., Damodar R. Ambur, Richard D. Young and Charles E. Harris, Experimental Verification of the Analytical Methodology to Predict the Residual Strength of Metallic Shell Structure, 1999 Society for Experimental Mechanics Spring Conferenc

NASA-99-sp7602.pdf - , NASA Publications Guide for Authors, NASA/SP-1999-7602, November 1999, pp. 42, (508KB)

NASA-99-spie-jjc.pdf - John J. Chapman, J. Bockman, V. M. Clark, P. C. Hess and M. S. Grant, Assessment of Selected CERES Electronic Component Survivability Under Simulated Overvoltage Conditions, SPIE's Earth Observing Systems IV, Denver, Colorado, July 18-23, 1999, (852KB)

NASA-99-spie-msl.pdf - Mark S. Lake, James E. Phelps, Jack E. Dyer, David A. Caudle, Anthony Tam, Javier Escobedo and Eldon P. Kasl, A Deployable Primary Mirror for Space Telescopes, Advanced Telescope Design, Fabrication, and Control Conference, Denver, Colorado, July 18-23, 1

NASA-99-spie-sm.pdf - Sergio Marinetti, Yuri A. Plotnikov, William P. Winfree and Alberto Braggiotti, Pulse Phase Thermography for Defect Detection and Visualization, SPIE's International Symposium on Nondestructive Evaluation Techniques for Aging Infrastructure and Manufactur

NASA-99-staif-hkr.pdf - H. Kevin Rivers, Conformal Cryogenic Tank Trade Study for Reusable Launch Vehicle, Space Technology and Applications International Forum (STAIF '99), Albuquerque, New Mexico, January 31--February 4, 1999, (393KB)

NASA-99-staif-ja.pdf - Jeffrey Antol and David E. Headley, The International Space Station as a Free Flyer Servicing Node, Space Technology and Applications International Forum (STAIF '99), Albuquerque, New Mexico, January 31--February 4, 1999, (93KB)

NASA-99-staif-jtd.pdf - John T. Dorsey, Chauncey Wu, Kevin Rivers, Carl Martin, Jr. and Russell Smith, Airframe Integration Trade Studies for a Reusable Launch Vehicle, Space Technology and Applications International Forum (STAIF '99), Albuquerque, New Mexico, January 31--Februa

NASA-99-staif-jws.pdf - James W. Sawyer, Jefferson S. Hodge, Brad Moore and Kevin Sawyer, Aerothermal Test of Thermal Protection Systems for X-33 Reusable Launch Vehicle, Space Technology and Applications International Forum (STAIF '99), Albuquerque, New Mexico, January 31--Febr

NASA-99-swing-mgm.pdf - Michele G. Macaraeg, David P. Lockard and Craig L. Streett, In Search of the Physics: NASA's Approach to Airframe Noise, SWING Aeroacoustic Workshop, Dresden, Germany, October 28-29, 1999, (1MB)

NASA-99-tfaw-rma.pdf - Ruth M. Amundsen, Method Improvements in Thermal Analysis of Mach 10 Leading Edges, Thermal and Fluids Analysis Workshop, Huntsville, Alabama, September 13-17, 1999, (112KB)

NASA-99-thermo-yap.pdf - Yuri A. Plotnikov, Visualization of Subsurface Defects in Composites Using a Focal Plane Array Infrared Camera, Thermosense XXI, Orlando, Florida, April 5-9, 1999, pp. 6, also appeared in Thermosense XXI, D.H. LeMieux, J.R. Snell (eds.), Proc. SPIE Vol. 3

NASA-99-tm208743.pdf - Marvin C. Waller and Charles H. Scanlon, A Simulation Study of Instrument Meteorological Condition Approaches to Dual Parallel Runways Spaced 3400 and 2500 Feet Apart Using Flight-Deck-Centered Technology, NASA/TM-1999-208743, March 1999, pp. 104, (796KB)

NASA-99-tm208745.pdf - Eric C. Stewart, A Parametric Study of Accelerations of an Airplane Due to a Wake Vortex System, NASA/TM-1999-208745, May 1999, pp. 41, (952KB)

NASA-99-tm208957.pdf - Kim E. Kudlinski and William A. Ragsdale, Design and Development of Lateral Flight Director, NASA/TM-1999-208957, May 1999, (1MB)

NASA-99-tm208970.pdf - B. Shirinzadeh, G. C. Herring and Toya Barros, Demonstration of Imaging Flow Diagnostics Using Rayleigh Scattering in Langley 0.3-Meter Transonic Cryogenic Tunnel, NASA/TM-1999-208970, February 1999, pp. 16, (341KB)

NASA-99-tm208972.pdf - K. Daryabeigi, Effective Thermal Conductivity of High Temperature Insulations for Reusable Launch Vehicles, NASA/TM-1999-208972, February 1999, pp. 35, (766KB)

NASA-99-tm208974.pdf - A. Terry Morris, Comparing Parameter Estimation Techniques for an Electrical Power Transformer Oil Temperature Prediction Model, NASA/TM-1999-208974, January 1999, pp. 34, (897KB)

NASA-99-tm208995.pdf - Edward P. Phillips, Periodic Overload and Transport Spectrum Fatigue Crack Growth Tests of Ti62222STA and Al2024T3 Sheet, NASA/TM-1999-208995, January 1999, pp. 43, (822KB)

NASA-99-tm208998.pdf - Wiliam A. Wood, Aerothermodynamic Calculations on X-34 at Mach 6 Wind Tunnel Conditions, NASA/TM-1999-208998, February 1999, pp. 24, (5MB)

NASA-99-tm209094.pdf - Michael K. Ponton and Paul B. Carr, A Quasi-Linear Behavioral Model and an Application to Self-Directed Learning, NASA/TM-1999-209094, February 1999, pp. 16, (347KB)

NASA-99-tm209095.pdf - Harriet B. Machie and Susan H. Stewart, Compilers, NASA Langley Scientific and Technical Information Output-1998, NASA/TM-1999-209095, February 1999, pp. 157, (407KB)

NASA-99-tm209097.pdf - Ronald Krueger, Micahel K. Cvitkovich, T. Kevin O'Brien and Pierre Minguet, Testing and Analysis of Composite Skin/Stringer Debonding Under Multi-Axial Loading, NASA/TM-1999-209097, February 1999, (2MB)

NASA-99-tm209100.pdf - C. M. Roithmayr, International Space Station Attitude Control and Energy Storage Experiment: Effects of Flywheel Torque, NASA/TM-1999-209100, February 1999, pp. 20, (3MB)

NASA-99-tm209102.pdf - Bruce E. Anderson, W. Randy Cofer III and David S. McDougal, Air Force F-16 Aircraft Engine Aerosol Emissions Under Cruise Altitude Conditions, NASA/TM-1999-209102, March 1999, pp. 58, (964KB)

NASA-99-tm209103.pdf - Alan T. Nettles, Michael J. Douglas and Eric E. Estes, Scaling Effects in Carbon/Epoxy Laminates Under Transverse Quasi-Static Loading, NASA/TM-1999-209103, March 1999, pp. 44, (2MB)

NASA-99-tm209104.pdf - Robert M . Bennett and Charlotte E. Walker, Computational Test Cases for a Clipped Delta Wing With Pitching and Trailing-Edge Control Surface Oscillations, NASA/TM-1999-209104, March 1999, pp. 92, (1MB)

NASA-99-tm209108.pdf - William C. Wilson, Design of the Wind Tunnel Model Communication Controller Board, NASA/TM-1999-209108, March 1999, pp. 119, (3MB)

NASA-99-tm209113.pdf - S. S. Ravindran, Proper Orthogonal Decomposition in Optimal Control of Fluids, NASA/TM-1999-209113, March 1999, pp. 30, (2MB)

NASA-99-tm209114.pdf - Odilyn L. Santa Maria, Two-Dimensional Fourier Transform Applied to Helicopter Flyover Noise, NASA/TM-1999-209114, March 1999, pp. 64, (2MB)

NASA-99-tm209116.pdf - Jamshid A. Samareh, A Novel Shape Parameterization Approach, NASA/TM-1999-209116, May 1999, pp. 15, (3MB)

NASA-99-tm209122.pdf - Scott A. Berry, Thomas J. Horvath, Matthew K. Kowalkowski and Derek S. Liechty, X-33 (Rev-F) Aeroheating Results of Test 6770 in NASA Langley 20-Inch Mach 6 Air Tunnel, NASA/TM-1999-209122, March 1999, pp. 99, (9MB)

NASA-99-tm209123.pdf - Jeffrey A. Hinkley, Norman J. Johnston, A. Bruce Hulcher, Joseph M. Marchello and Bernadette C. Messier, Utilization of Induction Bonding for Automated Fabrication of TIGR, NASA/TM-1999-209123, April 1999, pp. 45, (2MB)

NASA-99-tm209126.pdf - Sharon L. Padula and Rex K. Kincaid, Optimization Strategies for Sensor and Actuator Placement, NASA/TM-1999-209126, April 1999, pp. 17, (781KB)

NASA-99-tm209127.pdf - Michael L. Nelson, A Digital Library for the National Advisory Committee for Aeronautics, NASA/TM-1999-209127, April 1999, pp. 15, (677KB)

NASA-99-tm209128.pdf - J. A. Kaplan, J. W. McManus and W. L. Bynum, Automated Concurrent Blackboard System Generation in C++, NASA/TM-1999-209128, April 1999, pp. 24, (717KB)

NASA-99-tm209130.pdf - Robert M. Bennett and Charlotte E. Walker, Computational Test Cases for a Rectangular Supercritical Wing Undergoing Pitching Oscillations, NASATM-1999-209130, April 1999, pp. 132, (2MB)

NASA-99-tm209131.pdf - Robert C. Singleterry, Jr., Judy L. Shinn, John W. Wilson, Donald L. Maiden, Sheila A. Thibeault, Francis F. Badavi, Thomas Conroy and Leslie Braby, Aircraft Radiation Shield Experiments---Preflight Laboratory Testing, NASA/TM-1999-209131, April 1999, pp.

NASA-99-tm209132.pdf - Karen E. Jackson and Edwin L. Fasanella, Crashworthy Evaluation of a 1/5-Scale Model Composite Fuselage Concept, NASA/TM-1999-209132, April 1999, pp. 18, presented at the American Helicopter Society 55th Annual Forum and Technology Display held May 25-27,

NASA-99-tm209133.pdf - J. C. Newman, Jr., Analyses of Fatigue Crack Growth and Closure Near Threshold Conditions for Large-Crack Behavior, NASA/TM-1999-209133, April 1999, pp. 32, (409KB)

NASA-99-tm209134.pdf - B. A. Younis, T. B. Gatski and C. G. Speziale, Towards a Rational Model for the Triple Velocity Correlations of Turbulence, NASA/TM-1999-209134, April 1999, pp. 18, (151KB)

NASA-99-tm209135.pdf - Jer-Nan Juang and Peiman G. Maghami, Optimal Frequency-Domain System Realization With Weighting, NASA/TM-1999-209135, April 1999, pp. 48, (780)

NASA-99-tm209141.pdf - Arthur R. Johnson, John A. Tanner and Angela J. Mason, Quasi-Static Viscoelastic Finite Element Model of an Aircraft Tire, NASA/TM-1999-209141, April 1999, pp. 33, (1MB)

NASA-99-tm209142.pdf - Thomas J. Yager, Aircraft and Ground Vehicle Winter Runway Friction Assessment, NASA/TM-1999-209142, May 1999, pp. 16, also presented at the CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, held June 22-25,

NASA-99-tm209143.pdf - Jocelyn I. Pritchard, An Overview of Landing Gear Dynamics, NASA/TM-1999-209143, May 1999, pp. 20, also presented at the CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and Structural Dynamics 1999, held June 22-25, 1999, in Williamsbur

NASA-99-tm209319.pdf - Richard S. Pappa, Jocelyn I. Pritchard and Ralph D. Buehrle, Vibro-Acoustics Modal Testing at NASA Langley Research Center, NASA/TM-1999-209319, May 1999, pp. 18, also presented at the CEAS/AIAA/ICASE/NASA Langley International Forum on Aeroelasticity and

NASA-99-tm209322.pdf - Barmac K. Taleghani and Joel F. Campbell, Non-Linear Finite Element Modeling of THUNDER Piezoelectric Actuators, NASA/TM-1999-209322, May 1999, pp. 18, (625KB)

NASA-99-tm209329.pdf - J. C. Newman, Jr., E. P. Phillips and R. A. Everett, Jr., Fatigue Analyses Under Constant- and Variable-Amplitude Loading Using Small-Crack Theory, NASA/TM-1999-209329, May 1999, pp. 27, (834KB)

NASA-99-tm209335.pdf - James C. Townsend, Andrea O. Salas and M. Patricia Schuler, Configuration Management of an Optimization Application in a Research Environment, NASA/TM-1999-209335, June 1999, pp. 17, also presented at Optimization in Industry II, held June 6-11, 1999, in

NASA-99-tm209336.pdf - Michael K. Ponton, Lawrence S. Ukeiley and Sang W. Lee, Aeroacoustic Data for a High Reynolds Number Axisymmetric Subsonic Jet, NASA/TM-1999-209336, May 1999, pp. 89, (4MB)

NASA-99-tm209352.pdf - Carlos G. Davila and Tzi-Kang Chen, Advanced Modeling Strategies for the Analysis of Tile-Reinforced Composite Armor, NASA/TM-1999-209352, ARL-TR-1978, July 1999, pp. 21, (799KB)

NASA-99-tm209357.pdf - William I. Scallion, Aerodynamic Characteristics and Control Effectiveness of the HL-20 Lifting Body Configuration at Mach 10 in Air, NASA/TM-1999-209357, September 1999, pp. 59, (2MB)

NASA-99-tm209358.pdf - Christopher E. Glass, Numerical Simulation of Low-Density Shock-Wave Interactions, NASA/TM-1999-209358, July 1999, pp. 22, also presented at the 22nd International Symposium on Shock Waves held July 18-23, 1999, in London, England. (5MB)

NASA-99-tm209359.pdf - Z. Ounaies, J. A. Young and J. S. Harrison, Design Requirements for Amorphous Piezoelectric Polymers, NASA/TM-1999-209359, August 1999, pp. 22, (482KB)

NASA-99-tm209365.pdf - Ronald Krueger, Pierre J. Minguet and T. Kevin O'Brien, A Method for Calculating Strain Energy Release Rates in Preliminary Design of Composite Skin/Stringer Debonding Under Multi-Axial Loading, NASA/TM-1999-209365, July 1999, pp. 38, also presented at th

NASA-99-tm209367.pdf - Anthony A. Giunta, Sensitivity Analysis for Coupled Aero-structural Systems, TM-1999-209367, August 1999, pp. 23, (1MB)

NASA-99-tm209510.pdf - Raymond E. Mineck, Application of an Unstructured Grid Navier-Stokes Solver to a Generic Helicopter Body - Comparison of Unstructured Grid Results with Structured Grid Results and Experimental Results, NASA/TM-1999-209510, August 1999, pp. 52, (3MB)

NASA-99-tm209511.pdf - Susan O. Palmer, Alan T. Nettles and C. C. Poe, Jr., An Experimental Study of a Stitched Composite With a Notch Subjected to Combined Bending and Tension Loading, NASA/TM-1999-209511, August 1999, pp. 31, (803KB)

NASA-99-tm209512.pdf - David M. McGowan, Development of Curved-Plate Elements for the Exact Buckling Analysis of Composite Plate Assemblies Including Transverse-Shear Effects, NASA/TM-1999-209512, August 1999, pp. 112, (2MB)

NASA-99-tm209513.pdf - Scott C. Asbury and Craig A. Hunter, Static Performance of a Fixed-Geometry Exhaust Nozzle Incorporating Porous Cavities for Shock-Boundary Layer Interaction Control, NASA/TM-1999-209513, August 1999, pp. 139, (8MB)

NASA-99-tm209519.pdf - Kelly J. Hayhurst, Cheryl A. Dorsey, John C. Knight, Nancy G. Leveson and G. Frank McCormick, Streamlining Software Aspects of Certification: Report on the SSAC Survey, NASA/TM-1999-209519, August 1999, pp. 100, (583KB)

NASA-99-tm209552.pdf - Dan D. Vicroy, Robert A. Stuever, Eric C. Stewart and Robert A. Rivers, Flight Data Reduction of Wake Velocity Measurements Using an Instrumented OV-10 Airplane, NASA/TM-1999-209552, July 1999, (8MB)

NASA-99-tm209554.pdf - Jae H. Park, Malcolm K. W. Ko, Charles H. Jackman, R. Alan Plumb, Jack A. Kaye and Karen H. Sage, Editors, Models and Measurements Intercomparison II, NASA/TM-1999-209554, September 1999, pp. 502, (11MB)

NASA-99-tm209560.pdf - H. Kevin Rivers, Cyclic Cryogenic Thermal-Mechanical Testing of an X-33/RLV Liquid Oxygen Tank Concept, NASA/TM-1999-209560, September 1999, pp. 18, (1MB)

NASA-99-tm209684.pdf - R. Keith Bird and Dennis L. Dicus, Evaluation of Pressurization Fatigue Life of 1441 Al-Li Fuselage Panel, NASA/TM-1999-209684, October 1999, pp. 27, (2MB)

NASA-99-tm209689.pdf - Tamer F. Refaat, William S. Luck and Russell J. De Young, Temperature Control of Avalanche Photodiode Using Thermoelectric Cooler, NASA/TM-1999-209689, October 1999, pp. 21, (402KB)

NASA-99-tm209705.pdf - Jer-Nan Juang and Ya-Chin Chen, Signal Prediction With Input Identification, NASA/TM-1999-209705, October 1999, pp. 33, (879KB)

NASA-99-tm209707.pdf - Kara A. Latorella, Investigating Interruptions: Implications for Flightdeck Performance, NASA/TM-1999-209707, October 1999, pp. 309, (1MB)

NASA-99-tm209711.pdf - Jer-Nan Juang and Richard W. Longman, Optimized System Identification, NASA/TM-1999-209711, October 1999, pp. 36, (395KB)

NASA-99-tm209714.pdf - S. L. Padula, J. J. Korte, H. J. Dunn and A. O. Salas, Multidisciplinary Optimization Branch Experience Using iSIGHT Software, NASA/TM-1999-209714, November 1999, pp. 19, (902KB)

NASA-99-tm209715.pdf - R. T. Biedron, P. Mehrotra, M. L. Nelson, F. S. Preston, J. J. Rehder, J. L. Rogers, D. H. Rudy, J. Sobieszczanski-Sobieski and O. O. Storaasli, Compute as Fast as the Engineers Can Think!---Ultrafast Computing Team Final Report, NASA/TM-1999-209715, Sept

NASA-99-tm209716.pdf - Soenke Goldschmidt and Russell J. De Young, An Ozone Differential Absorption Lidar (DIAL) Receiver System for Use on Unpiloted Atmospheric Vehicles, NASA/TM-1999-209716, November 1999, pp. 40, (421KB)

NASA-99-tm209720.pdf - Lee M. Nicholson, Karen S. Whitley, Thomas S. Gates and Jeffrey A. Hinkley, Influence of Molecular Weight on the Mechanical Performance of a Thermoplastic Glassy Polyimide, NASA/TM-1999-209720, November 1999, pp. 33, (1MB)

NASA-99-tm209721.pdf - Garnett C. Horner and Barmac K. Taleghani, Single Axis Piezoceramic Gimbal, NASA/TM-1999-209721, ARL-TR-2120, November 1999, pp. 14, (453KB)

NASA-99-tm209723.pdf - John E. Teter, Jr., A Discussion of Zero Spring Rate Mechanisms Used for the Active Isolation Mount Experiment, NASA/TM-1999-209723, November 1999, pp. 16, (414KB)

NASA-99-tm209820.pdf - Jeffrey A. Hinkley, James F. Dezern, L. Feuz and D. Klinedinst, Uniaxial Stretching of Poly(keto-ether-imide) Films, NASA/TM-1999-209820, November 1999, pp. 20, (2MB)

NASA-99-tm209824.pdf - Eric I. Madaras and William L. Smith, Liberty Bell 7 Recovery Evaluation and Nondestructive Testing, NASA/TM-1999-209824, December 1999, pp. 13, (375KB)

NASA-99-tm209828.pdf - David E. Glass, Arthur D. Dilley and H. Neale Kelly, Numerical Analysis of Convection/Transpiration Cooling, NASA/TM-1999-209828, December 1999, pp. 13, 778

NASA-99-tm209829.pdf - L. Keith Barker, Walter W. Hankins, III and Richard M. Hueschen, Speed Profiles for Deceleration Guidance During Rollout and Turnoff (ROTO), NASA/TM-1999-209829, December 1999, pp. 22, (1MB)

NASA-99-tm209830.pdf - Gretchen B. Murri, Influence of Ply Waviness on Fatigue Life of Tapered Composite Flexbeam Laminates, NASA/TM-1999-209830, ARL-TR-2110, December 1999, pp. 39, (2MB)

NASA-99-tm209838.pdf - S. S. Ravindran, Active Control of Flow Separation Over an Airfoil, NASA/TM-1999-209838, December 1999, pp. 15, (2MB)

NASA-99-tm209839.pdf - Angela J. Mason, An Experimental Investigation of Damaged Arresting Gear Tapes for the Langley Aircraft Landing Dynamics Facility, NASA/TM-1999-209839, December 1999, pp. 25, (4MB)

NASA-99-tm209843.pdf - M. Rokni and T. B. Gatski, Predicting Turbulent Convective Heat Transfer in Three-Dimensional Duct Flows, NASA/TM-1999-209843, December 1999, pp. 24, (2MB)

NASA-99-tp209093.pdf - S. C. Asbury and C. A. Hunter, Effects of Convoluted Divergent Flap Contouring on the Performance of a Fixed-Geometry Nonaxisymmetric Exhaust Nozzle, NASA/TP-1999-209093, February 1999, pp. 75, (6MB)

NASA-99-tp209107.pdf - David W. Sleight, Progressive Failure Analysis Methodology for Laminated Composite Structures, NASA/TP-1999-209107, March 1999, pp. 94, (5MB)

NASA-99-tp209124.pdf - Lucas G. Horta, Robert H. Daugherty and Veloria J. Martinson, Modeling and Validation of a Navy A6-Intruder Actively Controlled Landing Gear System, NASA/TP-1999-209124, May 1999, pp. 33, (565KB)

NASA-99-tp209125.pdf - R. K. Tripathi, Francis A. Cucinotta and John W. Wilson, A Simple Method for Nucleon-Nucleon Cross Sections in a Nucleus, NASA/TP-1999-209125, April 1999, pp. 16, (322KB)

NASA-99-tp209138.pdf - Karen A. Deere and Scott C. Asbury, Experimental and Computational Investigation of a Translating-Throat, Single-Expansion-Ramp Nozzle, NASA/TP-1999-209138, May 1999, pp. 51, Also presented as at the 32nd AIAA/ASME/SAE/ASEE Joint Propulsion conference and

NASA-99-tp209320.pdf - Myung-Hee Y. Kim, John W. Wilson, Lisa C. Simonsen, Francis A. Cucinotta, William Atwell, Francis F. Badavi and Jack Miller, Contribution of High Charge and Energy (HZE) Ions During Solar-Particle Event of September 29, 1989, NASA/TP-1999-209320, May 1999

NASA-99-tp209344.pdf - J. Ray Dagenhart and William S. Saric, Crossflow Stability and Transition Experiments in Swept-Wing Flow, NASA/TP-1999-209344, July 1999, pp. 150, (4MB)

NASA-99-tp209348.pdf - Tamer F. Refaat, William S. Luck, Jr. and Russell J. DeYoung, Design of Advanced Atmospheric Water Vapor Differential Absorption Lidar (DIAL) Detection System, NASA/TP-1999-209348, July 1999, pp. 42, (434KB)

NASA-99-tp209351.pdf - Yolanda L. Hinton, Problems Associated With Statistical Pattern Recognition of Acoustic Emission Signals in a Compact Tension Fatigue Specimen, NASA/TP-1999-209351, ARL-TR-1691, July 1999, pp. 19, (305KB)

NASA-99-tp209362.pdf - Anne C. Wilber, David P. Kratz and Shashi K. Gupta, Surface Emissivity Maps for Use in Satellite Retrievals of Longwave Radiation, TP-1999-209362, August 1999, pp. 35, (2MB)

NASA-99-tp209369.pdf - John W. Wilson, Myung-Hee Y. Kim, Judy L. Shinn, Hsiang Tai, Francis A. Cucinotta, Gautam D. Badhwar, Francis F. Badavi and William Atwell, Solar Cycle Variation and Application to the Space Radiation Environment, NASA/TP-1999-209369, September 1999, pp.

NASA-99-tp209545.pdf - John S. Tripp and Ping Tcheng, Uncertainty Analysis of Instrument Calibration and Application, NASA/TP-1999-209545, October 1999, pp. 77, (1MB)

NASA-99-tp209718.pdf - Farhad Ghaffari, Unstructured Grid Viscous Flow Simulation Over High-Speed Research Technology Concept Airplane at High-Lift Conditions, NASA/TP-1999-209718, November 1999, pp. 32, (3MB)

NASA-99-tp209726.pdf - R. K. Tripathi, Francis A. Cucinotta and John W. Wilson, Universal Parameterization of Absorption Cross Sections Light Systems, NASA/TP-1999-209726, December 1999, pp. 22, (430KB)

NASA-99-tp209835.pdf - John S. Tripp, Uncertainty Analysis of Inertial Model Attitude Sensor Calibration and Application With a Recommended New Calibration Method, NASA/TP-1999-209835, December 1999, pp. 132, (3MB)

NASA-99-wace-gaf.pdf - Gary A. Fleming, Hector L. Soto, Bruce W. South and Scott M. Bartram, Advances in Projection Moire Interferometry Development for Large Wind Tunnel Applications, 1999 World Aviation Congress and Exposition, San Francisco, California, October 19-21, 1999,

NASA-99-wace-jfm.pdf - James F. Meyers and Joseph W. Lee, Investigation of Measurement Errors in Doppler Global Velocimetry, 1999 World Aviation Congress and Exposition, San Francisco, California, October 19-21, 1999, (2MB)

NASA-99-wace-jlh.pdf - James L. Hunt, Robert J. Pegg and Dennis H. Petley, Airbreathing Hypersonic Vision-Operational-Vehicles Design Matrix, 1999 World Aviation Congress and Exposition, San Francisco, California, October 19-21, 1999, (838KB)

NASA-99-wace-rmw.pdf - Richard M. Wood and Steven X. Bauer, Advanced Aerodynamic Control Effectors, 1999 World Aviation Congress and Exposition, San Francisco, California, October 19-21, 1999, (2MB)

NASA-99-wace-szp.pdf - Shahyar Z. Pirzadeh, Unstructured Grid Generation for Complex 3D High-Lift Configurations, 1999 World Aviation Congress and Exposition, San Francisco, California, October 19-21, 1999, (2MB)

NASA-99-wsafac-arm.pdf - Anna-Maria R. McGowan, Lucas G. Horta, Joycelyn S. Harrison and David L. Raney, Research Activities Within NASA's Morphing Program, NATO-RTO Workshop on Structural Aspects of Flexible Aircraft Control, Ottawa, Canada, October 18-21, 1999, (1MB)

NASA-99-wsafac-rwm.pdf - Robert W. Moses, NASA Langley Research Center Contributions to International Active Buffeting Alleviation Programs, NATO-RTO Workshop on Structural Aspects of Flexible Aircraft Control, Ottawa, Canada, October 18-21, 1999, (4MB)

NASA-99-xvisgf-jcn.pdf - J. C. Newman, Jr., Analyses of Fatigue and Fatigue-Crack-Growth Under Variable-Amplitude Loading, XVI Meeting of the Spanish Group of Fracture, Malaga, Spain, April 14-16, 1999, (816KB)