PSU Logo     Lyle N. Long
Distinguished Professor of Aerospace Engineering, Bioengineering, and Mathematics
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Nittany Lion

419 Hits
Since 2007

Publications, Papers, Reports, and Seminars:
of Prof. Lyle Long's Group

    2008
  1. Long, L.N. and Gupta, A., "Scalable Massively Parallel Artifical Neural Networks," Journal of Aerospace Computing, Information, and Communication (JACIC), Vol. 5, No. 1, Jan., 2008. (Abstract)

  2. Long, Lyle N., "The Critical Need for Software Engineering Education," in CrossTalk: The Journal of Defense Software Engineering, Vol. 21, No. 1, Jan., 2008.

  3. Hanford, Amanda, Patrick D. O'Connor, James B. Anderson, and Lyle N. Long, "Predicting absorption and dispersion in acoustics by direct simulation Monte Carlo: Quantum and classical models for molecular relaxation," to appear in Journal of the Acoustical Society of America , 2008

  4. Geiger, B.R., Horn, J.F., Sinsley, G.L., Ross, J.A., Long, L.N., and Niessner, A.F., "Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation," submitted to the Journal of Guidance, Control, and Dynamics, Jan., 2008

  5. Hanford, Scott D., Janrathitikarn, Oranuj, and Long, Lyle N., "Control of a Six-Legged Mobile Robot Using the Soar Cognitive Architecture," submitted to Journal of Aerospace Computing, Information, and Communication, Feb., 2008.

  6. O'Connor, P.D., Long, L.N., and Anderson, J.B., "Accurate Rate Expressions for Simulations of Gas-Phase Chemical Reactions," to appear Journal of Computational Physics, 2008.

  7. Hanford, Amanda and Lyle N. Long, "The Direct Simulation of Acoustics on Earth, Mars, and Titan," to be submitted to Journal of the Acoustical Society of America , 2008

  8. Long, Lyle N., "Scalable Biologically Inspired Neural Networks with Spike Time Based Learning," Invited Paper, IEEE Symposium on Learning and Adaptive Behavior in Robotic Systems, Edinburgh, Scotland, Aug. 6-8, 2008.

  9. Long, Lyle N. and Gupta, Ankur, "Biologically-Inspired Spiking Neural Networks with Hebbian Learning for Vision Processing," AIAA Paper No. 2008-0885, presented at the 46th AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 7-10, 2008.

  10. Long, Lyle N., " Parallel Computing: From Inexpensive Servers to Supercomputers," seminar in the Koch Lab, Caltech, Feb. 1, 2008.

  11. Long, Lyle N., Kelley, Troy D., and Wenger, Michael J. " The Prospects for Creating Conscious Machines " presented at the "Toward a Science of Consciousness" Conference, Tucson, AZ, April 7-12, 2008.

  12. Horn, et al, "Vision-based Target Geolocation and Optimal Serveilance on an Unmanned Aerial Vehicle," AIAA Paper No. 2008-7448, AIAA Guidance, Navigation, and Control Conference, Aug., 2008.

  13. Bodnar, Michael R., Lyle N. Long, Eric J. Kelmelis, "Accelerated determination of UAV flight envelopes using GPU's," Paper 6965-14, 3rd Annual SPIE Defense and Security Symposium's Modeling and Simulation for Military Operations Conference, Orlando, Fl, March 16-20, 2008.

  14. Janrathitikarn, O. and Long, Lyle N., "Gait Control of a Six-Legged Robot on Unlevel Terrain using a Cognitive Architecture" presented at the IEEE Aerospace Conference, Big Sky, Montana, Mar. 1-8, 2008.

  15. Sinsley, G., Long, Lyle N., Niessner, A.F., and Horn, J.F., "Intelligent Systems Software for Unmanned Air Vehicles," AIAA Paper No. 2008-0871, presented at the 46th AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 7-10, 2008.

  16. Hanford, Scott D., Janrathitikarn, Oranuj, and Long, Lyle N., "Control of a Six-Legged Mobile Robot Using the Soar Cognitive Architecture," AIAA Paper No. 2008-0878, presented at the 46th AIAA Aerospace Sciences Meeting, Reno, NV, Jan. 7-10, 2008.

  17. Chen, C.C., Alpman, E., Linzell, D.G., and Long, L.N., "Effectiveness of advanced coating systems for mitigating blast effects on steel components," to be presented at the Tenth International Conference on Structures Under Shock and Impact, 14 - 16 May 2008, Algarve, Portugal

  18. Hill, M.J., Kunz, R.F., Noack, R.W., Long, L.N., Morris, P.J., Handschuh, R.F., "Application and Validation of Unstructured Overset CFD Technology for Rotorcraft Gearbox Windage Aerodynamics Simulation," AHS Forum, 2008.


    19. 2007

  19. Miller, J.A., Paul D. Minear, Albert F. Niessner, Jr., Anthony M. DeLullo, Brian R. Geiger, Lyle N. Long, and Joseph F. Horn, "Intelligent Unmanned Air Vehicle Flight Systems," Journal of Aerospace Computing, Information, and Communication (JACIC), Vol. 4, No. 1, May, 2007.

  20. Long, Lyle N., A. Terry Morris, and Rick Kwan, "Software Systems: Year in Review," Aerospace America, Dec., 2007.

  21. Hanford, Scott D. and Long, Lyle N., "Evaluating Cognitive Architectures for Unmanned Autonomous Vehicles," 22nd Conf. on AI, Association for the Advancement of Artificial Intelligence (AAAI), Vancouver, Canada, July 22-26, 2007.

  22. Hanford, Amanda D. and Long, Lyle N., " Investigation of Amplitude Dependence of Nonlinear Acoustics using the Direct Simulation Monte Carlo Method" , 19th International Congress on Acoustics, Madrid, Spain, Sept. 2-7, 2007

  23. Nilay Sezer-Uzol, Ankur Gupta, and Lyle N. Long, "3-D Time-Accurate Inviscid and Viscous CFD Simulations of Wind Turbine Rotor Flow Fields," Proceedings of PARALLEL CFD 2007, International Conference on Parallel Computational Fluid Dynamics, May 21-24 2007, Antalya TURKEY.

  24. Chen, C., Linzell, D. G., Long, L. N., Alpman, E., "Computational studies of polyurea coated steel plate under blast loads," presented at the 9th US National Congress on Computational Mechanics, San Francisco, CA, July 2007.

  25. Bridges, D.O., Horn, J.F., Alpman, E., and Long, L.N., "Analysis of Pilot Workload Due to Ship Airwake Disturbances Using Coupled Flight Dynamics and CFD Analysis," AIAA Atmospheric Flight Mechanics Conference, Aug., 2007.

  26. Geiger, B.R., Horn, J.F., Sinsley, G. Ross, J.A., Long, L.N., and Niessner, A.F., "Flight Testing a Real Time Implementation of a UAV Path Planner Using Direct Collocation," AIAA Guidance, Navigation, and Control Conference, Hilton Head, S.C., Aug. 20-23, 2007.

  27. Alpman, E., Long, L.N., Chen, C.C., and Linzell, D.G., "Prediction of Blast Loads on a Deformable Plate using the Euler Equations," AIAA Paper 2007-4307, presented at the AIAA CFD Conference, Orlando, FL, 2007.

  28. Gupta, A. and Long, L.N., "Character Recognition using Spiking Neural Network," presented at the IEEE Neural Network Conference, Orlando, Florida, Aug. 12-17, 2007.

  29. Amanda D Hanford, Patrick D O'Connor, Lyle N Long, and James B Anderson, "Investigation of quantum and classical models for molecular relaxation using the direct simulation Monte Carlo (DSMC) method," 14th International Congress on Sound and Vibration, 12 July 2007, Cairns, Australia.

  30. Long, L.N., Scott D. Hanford, Oranuj Janrathitikarn, Greg L. Sinsley, and Jodi A. Miller, "A Review of Intelligent Systems Software for Autonomous Vehicles," IEEE Symposium Series in Computational Intelligence, Honolulu, Hawaii, April 1-5, 2007.

  31. Gregory L. Sinsley, Jodi A. Miller, Lyle N. Long, Brian R. Geiger, Albert F. Niessner, Jr., and Joseph F. Horn "An Intelligent Controller for Collaborative Unmanned Air Vehicles," IEEE Symposium Series in Computational Intelligence, Honolulu, Hawaii, April 1-5, 2007.



    2006

  32. Long, L.N. and H. Weiss, "How Terminal is Terminal Velocity?," American Mathematical Monthly, Oct., 2006.

  33. Long, L.N., "Aerospace Engineering Education Needs more Software Engineering Content," presentation at the National Workshop on Aviation Software Systems: Design for Certifiably Dependable Systems, sponsorred by NSF and NITRD, Alexandria, VA, Oct. 5-6, 2006.

  34. Horn, J.F., Bridges, D.O., Long, L.N., and Alpman, E. "Advanced Modeling and Control Design for Helicopter Shipboard Operations," presented at HeliJapan 2006 AHS International Meeting on Advanced Rotorcraft Technology and Life Saving Activities, Nagoya, Aichi-prefecture, Japan, November 15-17, 2006.

  35. Brian R. Geiger, Joseph F. Horn,. Anthony M. DeLullo,. and Lyle N. Long, and Al F. Niessner, "Optimal Path Planning of UAVs Using Direct Collocation with Nonlinear Programming," AIAA Paper No. 2006-, AIAA Guidance, Navigation, and Control Conference, Keystone, Colorado, Aug., 2006.

  36. Patrick D. O.Connor , Lyle N. Long , and James B. Anderson, " The Direct Simulation of Detonations," Invited Paper, AIAA Paper No. 2006-4411, AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Sacramento, CA, July, 2006.

  37. Long, L. N., Anderson, J. B., Linzell, D. G., Alpman, E., Chen, C., "Computational and experimental characterization of coating materials for blast mitigation," 7th World Congress on Computational Mechanics, Los Angeles, CA, July 2006.

  38. Stephen M. Makinen, Matthew Hill, Farhan Gandhi, Lyle N. Long, Roxana Vasilescu, and Lakshmi Sankar, "A Study of the HART-I Rotor with Loose Computational Fluid/Structural Dynamic Coupling," AHS Forum, Phoenix, AZ, May, 2006.

  39. O'Connor, P.D., Anderson, J.B., and Long, L.N., Direct Simulation of Detonations: Applications to the H2/Cl2 System," American Physical Society Meeting, Baltimore, MD, Mar. 13-17, 2006.

  40. Erdley, J., Weiss, L., Long, L., Sternad, D., Murphy, K., Roan, M., "Predicting Precursors to IED Deployment," Presented at the 7th International Symposium on Technology and the Mine Problem, Monterey, CA, 2-4 May 2006.

  41. E.P.N. Duque, L.N. Sankar, S. Menon, O. Bauchau, S. Ruffin, M. Smith, K. Ahuja K.S. Brentner, L.N. Long, P.J. Morris, F. Gandhi, Revolutionary Physics-Based Design Tools for Quiet Helicopters AIAA Paper 2006-0394, Presented at AIAA Aerospace Sciences Meeting, Reno, NV, Jan., 2006

  42. Sezer-Uzol, N., and Long, L.N., 3-D Time-Accurate CFD Simulations of Wind Turbine Rotor Flow Fields , AIAA Paper 2006-0394, Presented at AIAA Aerospace Sciences Meeting, Reno, NV, Jan., 2006

    2005

  43. Sezer-Uzol, N., Sharma, A., and Long, L. N., "Computational Fluid Dynamics Simulations of Ship Airwakes," Vol. 219, Part G, Journal of Aerospace Engineering, 2005.

  44. Long, L.N., " JACIC Status and Acknowledgements, Editorial," Journal of Aerospace Computing, Information, and Communication, Vol. 2, No. 1, Jan., 2005.

  45. Modi, A., Sezer-Uzol, N., Long, L.N., and Plassmann, P.E., "Scalable Computational Steering System for Visualization of Large-Scale Fluid Dynamics Simulations," Journal of Aircraft, Vol. 42, No. 4, July-August, 2005.

  46. Long, L.N., Lynette Marling, Mike Bailey, and Deborah Secor " Understanding the Application of Knowledge Management in a Technology Driven Industry," AIAA Paper No. 2005-6935, AIAA InfoTech@Aeropace Conference, Sept., 2005, Wash., D.C.

  47. Miller, J.A., Paul D. Minear, Albert F. Niessner, Jr., Anthony M. DeLullo, Brian R. Geiger, Lyle N. Long, and Joseph F. Horn, " Intelligent Unmanned Air Vehicle Flight Systems," AIAA Paper No. 2005-7081, AIAA InfoTech@Aeropace Conference, Sept., 2005, Wash., D.C.

  48. Hanford, S., Long, L.N., and Horn, J.F., " A Semi-Autonomous Quad-Rotor Micro Air Vehicle," AIAA Paper No. 2005-7077, AIAA InfoTech@Aeropace Conference, Sept., 2005, Wash., D.C.

  49. Long, L. N., Scott D. Hanford, Albert F. Niessner, George B. Gurney, and Robert P. Hansen, " An Undergraduate Course in Unmanned Air Vehicles," AIAA Paper No. 2005-6982, AIAA InfoTech@Aeropace Conference, Sept., 2005, Wash., D.C.

  50. Long, L. N. and Gupta, A., " Scalable Massively Parallel Artificial Neural Networks," AIAA Paper No. 2005-7168, AIAA InfoTech@Aeropace Conference, Sept., 2005, Wash., D.C.

  51. Danforth-Hanford, Amanda, Patrick D. O.Connor, Lyle N. Long, and James B. Anderson, "Molecular Relaxation Simulations in Nonlinear Acoustics using Direct Simulation Monte Carlo ," 17th International Symposium on Nonlinear Acoustics, State College, PA, July 2005.

  52. Long, L.N., " Journal of Aerospace Computing, Information, and Communication (JACIC): Status and Acknowledgements ," Editorial, Journal of Aerospace Computing, Information, and Communication , Vol. 2, No. 1, Jan., 2005.

  53. Alpman, E. and Long, L. N., "Unstructured Reynolds Stress Model Solutions for Turbulent Flow around a BELL 214ST Fuselage," Presented at AHS International 61st Annual Forum and Display, June, 2005

  54. Alpman, E. and Long, L.N., "Separated Turbulent Flow Simulations Using a Reynolds Stress Model and Unstructured Meshes," AIAA Paper 2005-1094, AIAA Aerospace Sciences Meeting, Reno, NV, Jan., 2005.

  55. Danforth, A. and Long, L.N., Nonlinear Acoustics in Diatomic Gases Using Direct Simulation Monte Carlo," Rarefied Gas Dynamics (RGD) Conference, Bari, Italy, 2005.

  56. O'Connor, P., Long, L.N., and Anderson, J.B., "Direct Simulation of Ultrafast Detonations in Mixtures," Rarefied Gas Dynamics (RGD) Conference, Bari, Italy, 2005.



    2004

  57. Fritz, T.E. and Long, L.N., "Object-Oriented Unsteady Vortex Lattice Method for Flapping Flight," Journal of Aircraft, Vol. 41, No. 6, Nov.-Dec., 2004.

  58. Danforth, A.L. and Long, L.N., "Nonlinear acoustic simulations using direct simulation Monte Carlo," Journal of the Acoustical Society of America, Vol. 116, No. 4, Oct., 2004.

  59. Long, L.N., Morris, P.J., and Agarwal, A., "A Review of Parallel Computing in Computational Aeroacoustics," International Journal of Computational Fluid Dynamics, Vol. 18, No. 6, Aug., 2004.

  60. Sharma, A. and Long, L.N., "Numerical Simulation of the Blast Impact Problem using the Direct Simulation Monte (DSMC) Carlo Method," Journal of Computational Physics, Vol. 200, No. 1, Oct., 2004.

  61. Ozyoruk, Y., Alpman, E., Ahuja, V., and Long, L.N., "Frequency-Domain Prediction of Turbofan Noise Radiation," Journal of Sound and Vibration, Vol. 270, 2004, pp. 933-950.

  62. Lee, D., Sezer-Uzol, N., Horn, J. and Long, L.N., "Simulation of Helicopter Shipboard Launch and Recovery with Time-Accurate Airwakes," Journal of Aircraft, Vol. 42, No. 2, Mar.-Apr., 2005.

  63. Long, L.N., " Computing, Information, and Communication: The Fifth Pillar of Aerospace Engineering," Editorial, Journal of Aerospace Computing, Information, and Communication, Vol. 1, No. 1, Jan., 2004.

  64. Alpman, E., Long, L.N., and Kothmann, B, "Understanding Ducted Rotor Antitorque and Directional Control Characteristics Part I: Steady Simulations," Journal of Aircraft, Vol. 41, No. 5, Sept.-Oct., 2004.

  65. Alpman, E., Long, L.N., and Kothmann, B, "Understanding Ducted Rotor Antitorque and Directional Control Characteristics Part II: Unsteady Simulations," Journal of Aircraft, Vol. 41, No. 6, Nov.-Dec., 2004.

  66. Jindal, S., Long, L.N., and Plassmann, P.E., "Large Eddy Simulations around a Sphere Using Unstructured Grids," AIAA Paper No. 2004-2228, AIAA Fluid Dynamics Meeting, June, 2004.

  67. Long, L.N., " Computing, Information, and Communication: The Fifth Pillar of Aerospace Engineering," Editorial, Journal of Computing, Information, annd Communication, Vol. 1, Jan., 2004.

  68. Long, L.N., Online Communities of Practice , presentation to PSU ASET Group, Nov. 3, 2004

  69. Long, L.N. and Schweitzer, S.J., "Information and Knowledge Transfer through Archival Journals and On-Line Communities," AIAA Paper 2004-1264, AIAA Aerospace Sciences Meeting, Jan., 2004.

  70. Morris, Long, and Brentner, An Aeroacoustic Analysis of Wind Turbines, AIAA 2004-1184, 2004.



    2003

  71. Anderson, J.B. and Long, L.N., "Direct Simulation Monte Carlo Simulation of Chemical Reaction Systems: Prediction of Ultrafast Detonations," Journal of Chemical Physics, Vol. 118, No., 7, Feb., 2003.

  72. Corfeld, K., Strawn, R., and Long, L.N., "A Computational Aerodynamics Simulation of a Martian Rotorcraft," Journal of the American Helicopter Society, Vol. 49, No. 3, July, 2004.

  73. Alpman, E. and Long, L.N., " Unsteady RAH-66 Comanche Flowfield Simulations including Fan-in-Fin ," AIAA 2003-4231, 16th AIAA CFD Conference, June, 2003.

  74. Alpman, E., Long, L.N., and Kothmann, B.D. " Toward a Better Understanding of Ducted Rotor Antitorque and Directional Control in Forward FLight ," AHS Forum, 2003.

  75. Lee, D., Horn, J. F., Sezer-Uzol, N. and Long, L. N., "Simulation of Pilot Control Activity during Helicopter Shipboard Operation," AIAA Paper 2003-5306, AIAA Atmospheric Flight Mechanics Conference and Exhibit, Austin, Texas, August 11-14, 2003.

  76. Sezer-Uzol, Modi, Long, and Plassmann, Visualizing Computational Simulation Results using Virtual Reality Technology," , ASME Fluids Meeting, Hawaii, July, 2003

  77. Sharma and Long, "A Parallel Object-Oriented DSMC Method for Blast Impact Simulations," AIAA 16th CFD Conf., paper no. AIAA-2003-4234, Orlando, 2003

  78. Lee, D., Sezer-Uzol, N., Horn, J.F., and Long, L.N., "Simulation of Helicopter Shipboard Launch and Recovery with Time-Accurate Airwakes," Proceedings of the American Helicopter Society International 59th Annual Forum and Technology Display, Phoenix, AZ, May 6-8, 2003. [AHS Annual Forum 59 Best Paper in Flight Simulation session]

  79. Y. Ozyoruk, V. Ahuja, and L. N. Long, On Numerical Simulations of Fore and Aft Noise Radiation from Turbofams , AIAA Aerospace Sciences Meeting, AIAA Paper 2003-0540, Jan., 2003

  80. Long, Sharma, and Souliez, "Client-Server Java Programming for Wireless Mobile Robots," AIAA Paper 2003-0459, AIAA Aerospace Sciences Meeting, Reno, NV, Jan., 2003.



    2002

  81. Long, Lyle N., Year in Review article on Computer Systems, Aerospace America , Dec. 2002

  82. Corfeld, K., Strawn, R., and Long, L.N., Computational Analysis of a Prototype Martian Rotorcraft Experiment, AIAA 2002-2815, Applied Aero. Conf., St. Louis, June, 2002

  83. Y. Ozyoruk, V. Ahuja, and L. N. Long, Euler Predictions of Forward and Aft Radiated Noise of a Turbofan , AIAA Aeroacoustics Conference ,AIAA 2002-2534, June, 2002

  84. Y. Ozyoruk, E. Alpman, V. Ahuja, and L. N. Long, A Frequency-Domain Numerical Method for Noise Radiation from Ducted Fans , AIAA Aeroacoustics Conference ,AIAA 2002-2587, June, 2002

  85. A. Sharma, L. Long, et al Military Aspects of Blasts Simulation Conference, Using the Direct Simulation Monte Carlo Approach for the Blast-Impact Problem 2002

  86. D. Genovesi and L. Long, A Java-Based Direct Monte Carlo Simulation of a Nano- Scale Pulse Detonation Engine 23rd Rarefied Gas Dynamics Conference, Whistler, BC, Canada, July,2002

  87. Anderson and Long, "Pathological Detonations using DSMC," RGD Conference, 2002

  88. A. Modi, L. Long, N. Sezer-Uzol, and P. Plassmann, "Scalable Computational Steering System for Vizualization of Large-Scale CFD Simulations," , AIAA Paper 2002-2750, AIAA Fluids Conference, St. Louis, 2002

  89. A. Modi, L. Long, and P. Plassmann, "Real-Time Visualization of Wake-Vortex Simulations using Computational Steering and Beowulf Clusters," Parallel Computing Conference, Portugal, 2002

  90. Robert P. Hansen, L. N. Long, and Todd A. Dellert, Experiences using Flying Models in Competitions and Coursework , ASEE Region 12 Conference, March, 2002.

  91. Robert P. Hansen and L. N. Long, Large Eddy Simulation of a Circular Cylinder on Unstructured Grids , presented at the AIAA Aerospace Sciences Meeting, Reno, Jan., 2002 (AIAA 2002-0982) (1 MB)

  92. F. Souliez, L. N. Long, P. J. Morris, and A. Sharma, Landing Gear Aerodynamic Noise Prediction using Unstructured Grids , presented at the AIAA Aerospace Sciences Meeting, Reno, Jan., 2002 (AIAA 2002-0799) (37 MB !!)



    2001

  93. Souliez, F., Long, L.N., Morris, P.J., and Sharma, A., "Landing Gear Aerodynamic Noise Prediction using Unstructured Grids," International Journal of Aeroacoustics, Vol. 1, No. 1, 2002.

  94. Philip J. Morris, Lyle N. Long, Thomas E. Scheidegger and Said Boluriaan, "Simulations of supersonic jet noise," International Journal of Aeroacoustics, Vol. 1, No. 1, 2002.

  95. Said Boluriaan, Philip J. Morris, Lyle N. Long, and Thomas Scheidegger, "High-speed jet noise simulations for noncircular nozzles," AIAA-2001-2147, AIAA/CEAS Aeroacoustics Conference and Exhibit, Maastricht, Netherlands, May 28-30, 2001

  96. Anderson, J.B. and L. Long, "The Simulation of Detonations," 3rd IMACS Seminar on Monte Carlo Methods, Salzburg, Sept. 10-14, 2001

  97. L. Long, P. Plassmann, and A. Modi, Computing and Visualization Relevant to Airport Capacity: Opportunities and Needs , invited paper presented at the Conference on Airport Capacity and Wake Vortices, Imperial College, London, England, Sept., 2001

  98. Ozyoruk, Ahuja, and Long, Time Domain Simulations of Radiation from Ducted Fans with Liners , (AIAA 2001-2171) ( Slides )

  99. Long and Modi, Turbulent Flow and Aeroacoustics Simulations using a Clusters of Workstations , NCSA Linux Revolution Conference, Illinois, June, 2001.

  100. Sharma and Long, Airwake Simulations on an LPD 17 Ship AIAA CFD Conference 2001-2589

  101. Aerodynamic Noise Prediction using Parallel Methods on Unstructured Grids (Long, Souliez, and Sharma, AIAA 2001-2196)



    2000

  102. Y. Ozyoruk and L. N. Long, "Time-Domain Calculation of Sound Propagation in Lined Ducts with Sheared Flows," AIAA Journal, Vol. 38, No. 5, May, 2000.

  103. Seminar at M.I.T. on High Performance Computing March, 2000 (streaming video)

  104. Nonlinear Nonconservative Equations (Long, AIAA 2000-1998)

  105. Detonation Simulations using DSMC (Long and Anderson, RGD Conference)

  106. High-Accuracy Wake and Vortex Simulations Using a Hybrid Euler / Discrete Vortex Method (Sezer-Uzol and Long, AIAA 2000-2029)

  107. Unsteady Lamniar Flow Simulations using the Nonlinear Disturbance Equations , Hansen, Long and Morris (AIAA 2000-1981)

  108. Fore and Aft Engine Noise Simulations (Ahuja, Ozyoruk, and Long, AIAA 2000-1943)

  109. Unsteady Separated Flow Simulations using a Cluster of Workstations Modi and Long (AIAA 2000-0272)

  110. Large Eddy Simulation of Wall Bounded Shear Flow using the Nonlinear Disturbance Equations, by Chyczewski, Morris, and Long, AIAA 2000-2007, 2000.

  111. Self-Scheduling Parallel Methods for Multiple Serial Codes with Application to WOPWOP , Long and Brentner (AIAA 2000-0346)

  112. Molecular Dynamics Simulations of Dissociation Kinetics Kantor, Long, and Micci (AIAA 2000-0213)

  113. Philip J. Morris, Thomas E. Scheidegger, and Lyle N. Long, "Jet noise simulations for circular nozzles," AIAA-2000-2080, AIAA/CEAS, Aeroacoustics Conference and Exhibit, 6th (21st AIAA Aeroacoustics Conference), Lahaina, HI, June 12-14, 2000



    1999

  114. O. C. Nwobi, L. N. Long, and M. M. Micci, "Molecular Dynamics Studies of Thermophysical Properties of Supercritical Ethylene," Journal of Thermophysics and Heat Transfer, Vol. 13, No. 2, April-June, 1999.

  115. Long and H. Weiss, "The Velocity Dependence of Aerodynamic Drag: A Primer for Mathematicians," American Mathematical Monthly, Vol. 106, No. 2, Feb., 1999, pp. 127-135.



    1998

  116. Martin, L. N. Long, and K. M. Morooney, "Using Java for Scientific Programming and Electromagnetics," Computers in Physics, Vol. 12, No. 6, Nov./Dec., 1998.

  117. L. N. Long, P. J. Morris, K. Morooney, and S. Kellogg, "The Teaching and Learning of High Performance Computing," Journal of Engineering Education,. Vol. 87, No. 5, 1998.

  118. T. L. Kaltz, L. N. Long, and M. M. Micci, "Supercritical Vaporization of Liquid Oxygen Droplets using Molecular Dynamics," Combustion Science and Technology, vol. 136, 1998, pp 279-301.

  119. T. L. Kaltz, L. N. Long, and M. M. Micci , "Molecular dynamics simulations of oxygen droplet vaporization," 21st Rarefied Gas Dynamics Proceedings, Marseille, France, pp 543-550.

  120. C. Nwobi, L. N. Long, and M. M. Micci, "Molecular Dynamics Studies of Properties of Supercritical Fluids," Journal of Thermophysics and Heat Transfer, Vol. 12, No. 3, July-September, 1998.

  121. Y. Ozyoruk, L.N. Long, and M.G. Jones, "Time-Domain Numerical Simulation of a Flow-Impedance Tube," Journal of Computational Physics, Vol. 146, 1998.

  122. Chyczewski, T., Long, L. N., and Morris, P., "Numerical Study of Nozzle Exit Condition Effects on Jet Development," AIAA Journal, Vol. 36, No. 6, June, 1998.

  123. Ship Airwake Flow Fields , Liu, Long, and Modi AGARD Conference, Amsterdam, 1998.

  124. Philip J. Morris, Lyle N. Long, Thomas E. Scheidegger, Qunzhen Wang, and Anthony R. Pilon, High speed jet noise simulations, AIAA-1998-2290, AIAA/CEAS Aeroacoustics Conference, 4th, Toulouse, France, June 2-4, 1998

  125. Molecular Dynamics Studies of Thermophysical Propertis of Supercrtiical Ethylene, by Nwobi, Long, and Micci, AIAA 1998-2935, 1998.

  126. Aircraft Engine Liner Simulations , Liu and Long, AIAA Aeroacoustics Conference, AIAA 1998-2330, France, 1998.



    1997

  127. Y. Ozyoruk and L. N. Long, "Time-Domain Impedance Boundary Conditions for Computational Aeroacoustics," Journal of Computational Acoustics, Vol. 5, No. 3, 1997.

  128. P. J. Morris, L. N. Long, A. Bangalore, and Q. Wang, "A Nonlinear Disturbance Equation Method for Supersonic Jet Noise," Journal of Computational Physics, 1997, Vol. 133, pp. 56-74.

  129. Long, L. N., Schenk, W., and Martin, J., "Accessing Fortran and C Programs from the World-Wide Web," Computers in Education Journal, Vol. VII, No. 1, Jan-Mar, 1997.

  130. Ahuja and L. N. Long, "Electromagnetic Scattering using a Parallel Finite Volume Runge-Kutta Algorithm," Journal of Computational Physics, Vol. 137, 1997.

  131. Y. Ozyoruk and L. N. Long, "Multigrid Acceleration of a High-Resolution Computational Aeroacoustics Scheme," AIAA Journal, Vol. 35, No. 3, March, 1997, pp. 428-433.

  132. Molecular Dynamics Studies of Transport Properties of Supercritical FLuids, by Nwobi, Long, and Micci, AIAA 1997-598, 1997.

  133. Molecular Dynamic Modelling of Supercritical LOX Evaporation, by Kaltz, Long , and Micci, AIAA 1997-3332, 1997.

  134. Philip J. Morris, Qunzhen Wang, Lyle N. Long, and David P. Lockard, .Numerical predictions of high speed jet noise,. AIAA Paper 97-1598, AIAA/CEAS Aeroacoustics Conference, 3rd, Atlanta, GA, May 12-14, 1997

  135. P. J. Morris, Lyle N. Long, K. Morooney, and S. Kellogg, .Teaching High Performance Computing,. ICEE Conference, Chicago, Ill, Aug., 1997.

  136. Q. Wang, P. J. Morris, and L. N. Long, .Supersonic Jet Simulations,. Large Eddy Simulation Conference, Louisiana, 1997.

  137. J. Nucciaroni, Y. Ozyoruk, and L. N. Long, .Recent Experiences with High Performance Fortran,. Supercomputing .97, Nov., 1997.

  138. J. Liu and L. N. Long, .Computational Aeroacoustic Simulations,. Meeting of the Acoustical Society, State College, PA, 1997.

  139. Nwobi, O., Long, L.N., and Micci, M. M., .Computing Transport Properties for Supercritical Fluids on Parallel Computers,. SIAM Parallel Proc. Conf., Mar., 1997.

  140. Y. Ozyoruk and L. N. Long, .Impedance Boundary Conditions for Time-Domain Computational Aeroacoustics Methods,. AIAA Paper 97-0021, 35th AIAA Aerospace Sciences Meeting, Reno, NV, January 1997.

  141. Y. Ozyoruk and L. N. Long, .Solution of Aeroacoustic Problems by a Nonlinear, Hybrid Method,. Proceedings of the Second Computational Aeroacoustics Workshop on Benchmark Problems, (NASA CP, in press), 1997.



    1996

  142. Long, L.N., Micci, M., B.C. Wong, "Molecular Dynamics Simulations of Droplet Evaporation," Computer Physics Communications, Vol. 96, No. 2-3, Aug., 1996.

  143. Ozyoruk and L. N. Long, "Computation of Sound Radiating from Engine Inlets," AIAA Journal, Vol. 34, No. 5, May, 1996, pp. 894-901.

  144. Ozyoruk and L. N. Long, "A New Efficient Algorithm for Computational Aeroacoustics on Massively Parallel Computers," Journal of Computational Physics, Vol. 125, No. 1, pp. 135-149, April, 1996.

  145. P. J. Morris, L. N. Long, A. Bangalore, T. S. Chyczewski, D. P. Lockard, and Y. Ozyoruk, .Experiences in the Practical Application of Computational Aeroacoustics,. in Proceedings of the ASME Fluids Engineering Division Summer Meeting, FED-Vol. 238, San Diego, CA, July 1996, pp. 465--470.

  146. Parallel Molecular Dynamics of Supercritical Evaporation (by M. Micci, L. Long, and J. Little, in Proceedings of Parallel CFD, 1996, Capri, Italy)

  147. Curriculum Development in Advanced Computation Morris, Long, Haghighat, and Brady, ASEE Conf., June, 1996

  148. Direct Simulation of Supersonic Jets Chyczewski and Long, May, 1996

  149. Higher-Order Accurate Multi-grid Ozyoruk and Long, May, 1996

  150. Time-Domain Impedance Boundary Conditions in CAA Ozyoruk and Long, May, 1996

  151. T. S. Chyczewski and L. N. Long, .Numerical Predictions of the Noise Produced by a Perfectly Expanded Rectangular Jet,. AIAA-96-1730, 17th AIAA Aeroacoustics Conference, State College, PA, May, 1996.

  152. FVTD Method for Electromagnetics (ACES Paper) Ahuja and Long, Monterey, CA, May, 1996

  153. Bangalore, A., P. J. Morris, and L. N. Long, .A Nonlinear Disturbance Equation Method for Supersonic Jet Noise,. AIAA- 96-1728, 17th AIAA Aeroacoustics Conference, State College, PA, May, 1996.



    1995

  154. L.N. Long, J. L. Barlow, L. F.Constable, and K. M. Morooney, "Undergraduate Education and Research in High Performance Computing," International Journal for Engineering Education, Vol. 10, No. 3, Sept., 1994, pp. 291-298.

  155. L. N. Long, .Recent Developments in Computational Aeroacoustics,. Invited Lecture. 130th Annual Meeting, St. Louis, The Journal of the Acoustical Society of America, Vol. 98, No. 5, Pt. 2, Nov., 1995.

  156. Y. Ozyoruk and L. N. Long, .Computation of Sound Radiation from Engine Inlets,. CEAS/AIAA-95-063, First Joint CEAS/AIAA Aeroacoustics Converence, Munich, Germany, June, 1995.

  157. L. N. Long, .The Aerodynamics and Acoustics of Lawn Mower Blades,. submitted to John Deere Horicon Works, Horicon, Wisc., Aug., 1995.

  158. T. S. Chyczewski and L. N. Long, .Application of an Efficient Parallel Computational Aeroacoustics Algorithm,. CEAS/AIAA- 95-011, First Joint CEAS/AIAA Aeroacoustics Converence, Munich, Germany, June, 1995.

  159. V. Ahuja and L. N. Long, .A Finite Volume Algorithm for Maxwell.s Equations on Massively Parallel Machines,. AIAA-95- 1967, AIAA Plasma Dynamics and Lasers Conference, San Diego, CA, June, 1995.

  160. D. Hudson and L. N. Long, .Computation of a Confined Compressible Mixing Layer,. AIAA-95-2173, AIAA Fluid Dynamics Meeting, San Diego, CA, June, 1995.

  161. Y. Ozyoruk and L. N. Long, .A New Efficient Algorithm for Computational Aeroacoustics on Massively Parallel Computers,. AIAA-95-1693, Proceedings of the AIAA CFD Conference, San Diego, CA, June, 1995.

  162. L. Long, M. Micci, J. Little, and T. Kaltz, .Submicron Droplet Modeling using Molecular Dynamics, AIAA 95-0412, Jan., 1995.

  163. V. Ahuja and L. N. Long, .A Message Passing Scheme for Computational Electromagnetics,. ACES Conference, Monterey, CA, Mar. 20-26, 1995.

  164. Y. Ozyoruk and L. N. Long, .Computational Aeroacoustics on Massively Parallel Computers,. in Proceedings of the ICASE/LaRC Workshop on Benchmark Problems in Computational Aeroacoustics, edited by J.C. Hardin, J.R. Ristorcelli, and C.K.W. Tam, NASA CP-3300, May 1995, pp. 261-265.



    1994

  165. D. Zelesnik, M.M. Micci, and L.N. Long, "Direct Simulation Monte Carlo Simulation of Low Reynolds Number Nozzle Flows," Journal of Propulsion and Power, Vol. 10, No. 4. July, 1994.

  166. Y. Ozyoruk and L. N. Long, .A Navier-Stokes/Kirchhoff Method for Noise Radiation from Ducted Fans,. AIAA Paper 94-0462, 32nd AIAA Aerospace Sciences Meeting, Reno, NV, January 1994.

  167. L. N. Long and B. C. Wong, .Parallel Molecular Dynamics Methods,. SIAM Annual Meeting, San Diego, CA, July, 1994.

  168. L. N. Long, M. M. Micci, and B. C. Wong, .Supercritical Droplet Evaporation using Molecular Dynamics,. AIAA Joint Propulsion Conference, AIAA 94-3127, Indianapolis, IN, June, 1994.

  169. Chyczewski, T. and Long, L., .Application of Traditional CFD Methods to Nonlinear Computational Aeroacoustic Problems,. Proceedings of the ICASE/LaRC Workshop on Benchmark Problems in Computational Aeroacoustics, NASA CP 3300, 1994.

  170. T. Kaltz, J. Little, B. Wong, M. Micci, and L. Long, .Supercritical Droplet Evaporation Modelled using Molecular Dynamics on Parallel Processors,. Proceedings of Euromech Colloquim 324, The Combustion of Drops, Sprays, and Aersols, July 25-27, 1994, Marseille, France.

  171. Morris, P. J., L. N. Long, C. Chung, and T. Chyczewski, .Computational Aeroacoustic Algorithms: Nonuniform Grids. AIAA 25th Fluid Dynamics Conf., Colorado Springs, CO, June, 1994.

  172. Efficient Parallel Aeroacoustic Algorithms (Chyczewski and Long, AIAA 94-2265)

  173. Massively Parallel Navier-Stokes/Kirchhoff (Ozyoruk and Long, AIAA 94-0462)

  174. Parallel Unstructured, Adaptive Grid Aerodynamics (Weinberg and Long, AIAA 94-0760)



    1993

  175. M. Maughmer, L. Ozoroski, D. Straussfogel, L.N. Long, "Validation of Engineering Methods for Predicting Hypersonic Vehicle Control Forces and Moments," Journal of Guidance, Control, and Dynamics, Vol. 16, No. 4, July, 1993.

  176. J. Richardson, R. Ferrell, and L.N. Long, "Unconditionally- Stable Explicit Algorithms for Nonlinear Fluid Dynamics Problems," Journal of Computational Physics, Vol. 104, No. 1, Jan., 1993.

  177. 62 Gigaflop Solver for the Boltzmann Equation (Long and Myczkowski, Supercomputing '93) Winner of the 1993 Gordon Bell Prize.

  178. Y. Ozyoruk and L. N. Long, .A Hybrid Scheme for Noise Radiation from Ducted Fans,. in Proceedings of it NOISE-CON.93, edited by H.H. Hubbard, Noise Control Foundation, New York, 1993, pp. 577-582.

  179. Z. Weinberg and L.N. Long, .An Adaptive, Unstructured Solver for 3-D Viscous Flows on Massively Parallel Computers,. presented at the Parallel CFD .93 Conference, Paris, France, May, 1993.

  180. L.N. Long, J. Barlow, K. Morooney, and L. Constable, .Undergraduate Education and Research in High Performance Computing,. presented at the ASEE Annual Meeting, Urbana, Illinois, June, 1993.

  181. Y. Ozyoruk and L.N. Long, .A Hybrid Scheme for Noise Radiation from Ducted Fans,. in Proceedings of Noise-Con .93, Williamsburg, VA, May, 1993.

  182. D. Zelesnik, M.M. Micci, and L.N. Long, .DSMC Simulation of Low Reynolds Number Nozzle Flows,. AIAA Paper No. 93- 2490, presented at the AIAA/SAE/ASME/ASEE 29th Joint Propulsion Conf., June, 1993.



    1992

  183. L.N. Long, M. Kamon, T, Chyczewski, J. Myczkowski, "A Deterministic Parallel Algorithm to Solve a Model Boltzmann Equation (BGK)," Computing Systems in Engineering Journal, Vol. 3, No. 1-4, Dec., 1992.

  184. B.C. Wong, and L.N. Long, "A Data-Parallel Implementation of the DSMC Method on the Connection Machine," Computing Systems in Engineering Journal, Vol. 3, No. 1-4, Dec., 1992.

  185. L. N. Long, B.C. Wong, J. Myczkowski, "Deterministic and Non- Deterministic Methods for Rarefied Gas dynamics," 18th Rarefied Gas Dynamics Meeting, Vancouver, Canada, July 26-31, 1992, AIAA Progress in Aeronautics and Astronautics.

  186. L.N. Long, .Gas Dynamics on the Connection Machine,. Invited Paper, Parallel CFD .92 Conference, Rutgers Univ., May, 1992.

  187. L.N. Long, .Algorithm Requirements for Gas Dynamics on Parallel Computers,. Invited Paper, IMACS Conference, Rutgers Univ., June, 1992.

  188. L.N. Long, M. Kamon, and J. Myczkowski, .A Massively Parallel Algorithm to Solve the Boltzmann (BGK) Equation,. AIAA Paper No. 92-0563, presented at the 30th AIAA Aerospace Sciences Meeting, Jan., 1992.

  189. L.N. Long and B. Wong, .Direct Simulation Monte Carlo (DSMC) on the Connection Machine,. AIAA Paper No. 92- 0564, presented at the 30th AIAA Aerospace Sciences Meeting, Jan., 1992.



    1991

  190. L. N. Long, M. Khan, and H.T. Sharp, "A Massively Parallel Euler/Navier-Stokes Method," AIAA Journal, Vol. 29, No. 5, April, 1991.

  191. L.N. Long, "Navier-Stokes and Monte Carlo Results for Hypersonic Flows," AIAA Journal, Vol. 29, No. 2, Feb., 1991.

  192. M. Maughmer, L. Ozoroski, D. Straussfogel, L.N. Long, .Validation of Engineering Methods for Predicting Hypersonic Vehicle Control Forces and Moments,. AIAA Paper No. 91- 2845, Presented at AIAA Atmospheric Flight Mechanics Conference, New Orleans, LA, 1991.

  193. D. Zelesnik, T. Dunn, M.M. Micci, L.N. Long, .Numerical and Experimental Investigation of Low Reynolds Number Nozzle Flows,. AIAA Paper No. 91-3558, presented at the AIAA/NASA/OAI Conf. on Advanced SEI Technologies, Cleveland, Ohio, Sept., 1991.

  194. L.N. Long, .3-D Navier-Stokes in Parallel Fortran,. in Proceedings of the 10th AIAA CFD Conference, Honolulu, Hawaii, June, 1991.

  195. J. Richardson, R. Ferrell, and L. Long, .Unconditionally- Stable Explicit Algorithms for Nonlinear Fluid Dynamics Problems,. AIAA Paper No. 91-0437, Aerospace Sciences Meeting, Reno, Nevada, Jan., 1991.

  196. L.N. Long, .Debugging Large Scientific Codes on Parallel Computers,. Invited Talk and Panel Discussion at the ACM Conf. on Debugging Codes on Parallel Computers, Santa Cruz, CA, May, 1991. (SIGPLAN, December 1991, pp. 12-14. )



    1990

  197. L.N. Long, "The Off-Design Performance of Hypersonic Waveriders," Journal of Aircraft, Vol. 27, No. 7, July, 1990.

  198. L.N. Long, .Hypersonic Vehicles, Past and Present,. Sigma Gamma Tau, Aerospace Honor Society Meeting, Penn. State Univ., April, 1990.

  199. R. Panton, and L.N. Long, .Fluid Dynamics Progress: 1990,. Annual Review Article, Aerospace America, December 1990, pp. 46-47.



    1989

  200. L.N. Long, G. Demos, M. Khan, and H.T. Sharp, .Massively Parallel Computing for Aerophysics: Status and Trends,. 4th SIAM Conference on Parallel Processing for Scientific Applications, Chicago, Dec. 11, 1989.

  201. L.N. Long, M. Khan, and H.T. Sharp, .A Massively Parallel Euler/Navier-Stokes Method for the Connection Machine,. AIAA CP-89-1937, in Proceedings of the 1989 AIAA CFD Conference, Buffalo, NY, 1989.

  202. L.N. Long, .A Three-Dimensional Navier-Stokes Code for the Connection Machine,. in Chap. 2, Scientific Applications of the Connection Machine, World-Scientific, Singapore, 1989.

  203. L.N. Long, D. Gottfried, K. McGinness, and K. Morooney, .A Parallel Jacobi Method for Solving Large Systems of Linear Equations on an IBM 3090-600S VF,. 1989 IBM 3090 Supercomputing Competition, 1989.



    1987

  204. L.N. Long, "Uniformly-Valid Asymptotic Solutions to the Orr-Sommerfeld Equation," Journal of Engineering Mathematics, Vol. 21, 1987, pp. 167-178.

  205. L.N. Long and G.A. Watts, "Arbitrary Motion Aerodynamics using an Aeroacoustic Approach," AIAA Journal, Vol. 25, No. 11, Nov., 1987, pp. 1442-1448.

  206. L.N. Long, C.E. Grosch, T. Opsahl, "The Prospects for Computational Fluid Dynamics on Parallel Processors," Lockheed Report No. LR-31294, Burbank, California, Sept., 1987.

  207. L.N. Long, "The Off-Design Performance of Hypersonic Waveriders," presented at the AGARD/NATO Conference on the Aerodynamics of Hypersonic Lifting Vehicles, 60th Meeting of the Fluid Dynamics Panel, Bristol, England, April, 1987.

  208. P. Raj, J.E. Brennan, J.M. Keen, L.N. Long, J.S. Sikora, and S.W. Singer, "Users Manual: Three-Dimensional Euler Aerodynamic Method (TEAM)" AFWAL-TR-87-3074, Air Force Wright Aeronautical Labs, Wright-Patterson AFB, Ohio, Oct., 1987.

  209. Long, L.N., R. Coopersmith, and B. McLachlan, " Cellular automatons applied to gas dynamic problems ," AIAA Pper No. 1987-1384, 1987.

  210. L.N. Long (Editor), "Open Forum: Computational Fluid Dynamics for Hypersonic Flows," AIAA-87-0644, AIAA 25th Aerospace Sciences Mtg., Reno, Nevada, Jan., 1987.



    1985

  211. L.N. Long, "The Aerodynamics of Propellers and Rotors using an Acoustic Formulation in the Time Domain," AIAA Journal, Vol. 23, No. 6, June, 1985.

  212. P. Raj and L.N. Long, "An Euler Aerodynamic Method for Leading-Edge Vortex Flow Simulation," Presented at the Vortex Flow Aerodynamics Conference, Sponsored by NASA-Langley and USAF, Hampton, Virginia, October 8-10, 1985.

  213. L.N. Long and P. Raj, "Drag Prediction in Nonlinear Computational Aerodynamic Methods," Technical Report submitted to the USAF/FDL as part of Lockheed.s contract to develop an Euler Aerodynamic Method, Oct. 1985.

  214. L.N. Long and G.A. Watts, "A General Theory of Arbitrary Motion Aerodynamics using an Aeroacoustic Approach," Aerodynamics and Acoustics of Propellors, AGARD (NATO) Conference Proceedings CP-366, Toronto, Canada, Feb., 1985.



    1983

  215. L. N. Long, " The Compressible Aerodynamics of Rotating Blades Based on an Acoustic Formulation " NASA Technical Paper, TP-2197, 1983.

  216. L.N. Long, "The Aerodynamics of Propellers and Rotors using an Acoustic Formulation in the Time Domain," AIAA 83-1821, presented at the AIAA Applied Aerodynamics Conference, Danvers, MA, June, 1983.



    1979

  217. R.S. Shevell and L.N. Long, "Developing a Usable Aircraft Engine Noise Prediction Program," Stanford University Department of Aeronautics and Astronautics Report (SUDAAR), No. 516, June, 1979.