Georgia Tech


School of Aerospace Engineering

Dr. S. Hanagud
Savant Building, Room 223
Phone: (404)-894-3040
Fax: (404)-894-2760
e-mail:
hanagud@ae.gatech.edu

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Structural Dynamics & Smart Structures Laboratory
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Conference Proceedings


  1. X. Lu and S. Hanagud, “Carbon-Nanotube-Reinforced Structural Materials and Nonequilibrium Thermodynamic Models,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA Paper 2003-1538.
  2. V. Narayanan, X. Lu and S. Hanagud, “A Domain Evolution Model for the Ferroelectric Hysteresis of Piezoceramic Materials,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA 2003-1439.
  3. S. Hanagud, U. Patel and P. Roberts, “Control Authority and the Design of Active Controllers for Buffet Suppression,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA Paper 2003-1519.

  4. S. Hanagud and X. Lu, “Irreversible thermodynamic modeling of phase transition in ferroelectric ceramics under large mechanic or electric loadings,” 14th US National Congress of Theoretical and Applied Mechanics, June 23 - 28, 2002, Blacksburg, VA, pp. 477 -479
  5. Lu, X., and Hanagud, S., “An irreversible thermodynamic model of nonlinearities and hysteresis in piezoceramics,” Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater, v. 4, 2002, pp. 2756-2765, AIAA 2002-1551.
  6. Hanagud, S., Luo, H., and Lestari, W., “Detection of an edge notch defect by using a single mode based methods,” Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater, v. 2, 2002, pp. 989-998, AIAA 2002-1326.

  7. Hanagud, S., Lu, X. Roberts, P. Henderson, D., "Model based simulation of buffet-induced vibration control of a F/A-18 vertical stabilizer," Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater v 2 2001 p 1279-1288
  8. Lu, X., Hanagud, S., "Extended thermodynamic model for piezoelectric ceramics," Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater v 2 2001 p 1306-1316
  9. Lestari, W., Hanagud, S., "Damage detection using a single mode based methods," Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater v 3 2001 p 1955-1964.

  10. Bayon de Noyer, Maxime P., Hanagud, Sathya V., "Modal analysis and optimization of the offset piezoceramic stack actuator," Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater v 2 2000 AIAA Reston VA USA p 328-338 AIAA-2000-1792
  11. Lu, X., and Hanagud, S., " Multiple Delamination Dynamics with Axial Loads", Proceedings of AIAA/ASME/ASCE/AHS SDM Conference, 1999.
  12. Lestari, W., and Hanagud, S., " Health Monitoring of Structures: Multiple Delamination Dynamics in Composite Beams", Proceedings of AIAA/ASME/ASCE/AHS SDM conference, 1999
  13. Hanagud, S., et. al. " Tail Buffet Alleviation of High Performance Twin Tail Aircraft Using Piezo Stack Actuators", AIAA Paper No. AIAA- 99-1320, Proceedings of AIAA/ASME/ASCE/AHC structures, structural Dynamics and Materials conference, 1999

  14. Hanagud, s., and Griffin, s., " Active Structural Control for a Smart Guitar", Smart Materials and Structures, p 169-176, 1998, Institute of Physics Publishing, Bristol, U.K.
  15. Bayon de Noyer, M., and Hanagud, S., " A comparison of H2 Optimized Design and Crossover Point Design", Proceedings of AIAA/ASME/ASCE/AHS SDM Conference, p 3250-3258, 1998
  16. Luo, H. and Hanagud, S. "Detection of Debondings in the Thermal Protection System of a Reusable Space Vehicle" Proceedings of AIAA/ ASME/ ASCE/AHS SDM Conference, 1998.

  17. Kim, T., Steadman, D., Hanagud, S. and Atluri, S.N. "On the Feasibility of Using Thermal Gradients for Active Control of Interlaminar Stresses in Composites" J. of Composite Materials, 31, 16, 1997, pp. 1556-1573.
  18. Luo, H. and Hanagud, S. "PVDF Sensor and its Application in Delamination Response Detection" Proceedings of the 38 th AIAA/ASME/ASCE/AHS SDM Conference, Vol. 1, 1997, AIAA, New York, pp. 720-728.
  19. Luo, H. and Hanagud, S. "Fuzzy Learning Rate Neural Network Training and Structural Health Monitoring" Proceedings of the 38 th AIAA/ASME/ASCE/AHS SDM Conference, Vol. 1, 1997, AIAA, New York, pp. 634-644
  20. Luo, H. and Hanagud, S. "Delaminated Beam Nonlinear Dynamic Response Calculation and Visualization" Proceedings of the 38 th AIAA/ASME/ASCE/AHS SDM Conference, Vol. 1, 1997, AIAA, New York, pp. 490-499.
  21. Hanagud, S. and Luo, H. "Damage Detection and Health Monitoring Base on Structural Dynamics" Structural health Monitoring: Current Status and Perspectives, Editor Fu-Kuo Chang, Technomic Publishing Co., Inc., 1997, pp. 715-728.

  22. Luo, H. and Hanagud, S. "Dynamic Learning Rate Neural Network Training and Delamination Detection" Proceedings of the 37 th AIAA/ASME/ASCE/AHS SDM Conference, Vol. 4, 1996, AIAA, New York, pp. 2496-2503

  23. Hanagud, S. and Luo, H. "Modal Analysis of a Delaminated Beam" Proceedings of SEM Spring Conference on Experimental Mechanics, June 1994, pp. 880-887.
  24. Luo, H. and Hanagud, S. "Delamination Detection Using Dynamic Characteristics of Composite Plates" Proceedings of the 36 th AIAA/ASME/ASCE/AHS SDM Conference, Vol. 1, 1995, AIAA, New York, pp. 129-139.
  25. Luo, H. and Hanagud, S. "Dynamics of Vibration Absorbers with Elastic Stops" presented at Fourth Pan American Congress of Applied Mechanics PACAM, Buenos Aires, Argentina, January 3-6, 1995.

  26. Hanagud, S., Gummadi, L.N.B. and Luo, H.. "Health Monitoring in Adaptive Structures" Presented at the 5 th International Conference on Adaptive Structures, December 1994, pp. 51-63.
  27. Hanagud, S., et. Al. "Thermal Gradients for Delamination Control" AIAA Paper 94-1773, 1994. Proc. AIAA, ASME, AHS, SDM Conference.

  28. Hanagud, S. and Prasad, J.V.R. "Vibration Control of Smart Structures Using Fixed Order Dynamic Compensation" Proc. International Conference on Control of Flexible Structures, VPI, 1991.
  29. Hanagud, S., Stalford, H.L. and Zhou, X. "On the Mu-Control of Uncertain Manipulator Arm" ACC Control Conference, 1991.
  30. Hanagud, S. and Sriram, P. "Mode Shape Measurement Using a Scanning Laser Doppler Vibrometer" Proc. Spring Meeting Society of Experimental Mechanics, 1991.
  31. Hanagud, S. "Identification of Physical Parameters for Large Scale Structural Dynamics Models from Test Data" Proc. AIAA, ASEM, ASCE and AHS Structures, Structural Dynamic and Materials Conference, Paper No. AIAA-91-1260, 1991.
  32. Hanagud, S., Craig, J.I. and Zhou, W. "Crashworthy Behavior of Graphite-Epoxy Sine Wave Webs" Proc. AIAA, ASME, ASE and AHS Structures, Structural Dynamics and Materials Conference, Paper No. AIAA-91-1196, 1991.
  33. NageshBabu, G.L. and Hanagud, S. "Robustness and Vibration Control of Adaptive Structures by the use of Piezoelectric Sensors and Actuators" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Material Conference, Paper No. AIAA-91-1256, 1991.
  34. Hall, E.K. and Hanagud, S. "Active Control of Chaotic Systems using Adaptive Structures Concept" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamics and Material Conference, Paper No. AIAA-91-1062, 1991.
  35. Hall, E.K. and Hanagud, S. "Active Control of Chaotic Systems Using Adaptive Structures Concept" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Material Conference, Paper No. AIAA-91-1062, 1991.
  36. Sriram, P., Hanagud, S. and Craig, J.I. "Mode Shape Measurement Using a Scanning Laser Doppler Vibrometer" Proc. 9 th International Modal Analysis Conference, 1991.
  37. Hanagud, S., Prasad, J.V.R. and Bowles, T. "Active Control of Blade-Vortex Interaction" Proc. Army Workshop on Rotorcraft Systems, Maryland, 1991.
  38. Hanagud, S. and NageshBabu, G.L. "Smart Structures in the Control of Airframe Vibrations" Proc. AHS Specialists Meeting on Basic Research, 1991.
  39. Hanagud, S., Prasad, J.V.R., Bowles, T. and NageshBabu, G.L. "Smart Structures in the Active Control of Blade-Vortex Interaction" Proc. European Rotorcraft Forum, ERF-91-75, 1991.
  40. Hanagud, S., NageshBabu, G.L., Stalford, H.L. and Won, C.C. "Robustness Issues in the Design of Smart Structures" 1 st U.S. Japan Conference on Adaptive Structures, Proceedings Ed. By B. Wada, J.F. Fanson and K. Miura, Technomic Publishing Co., Inc., pp. 441-457, 1991.
  41. Hanagud, S., Sarkar, S., NageshBabu, G.L. and Hall II, E.K. "Adaptive Sensors and Actuators in the Vibration Control of Rotating and Pointing Systems" 2 nd U.S. Japan Conference on Adaptive Structures and Materials, 1991, Proceedings to be published by Technomic, 1992.
  42. Hanagud, S. and NageshBabu, G.L. "Robustness Issues in Model Adaptive Controllers" An International Symposium on Active Materials and Adaptive Structures, 1991, Proceedings to be published by Technomic Publishers, 1992.
  43. Hanagud, S., Hall, E.K. and Kessler, S. "Fractal and Chaotic Behavior in Structural Dynamic Systems" Proc. Pan American Conference of Applied Mechanics, Ed. Mook, pp. 730-735, 1991.
  44. Hanagud, S. and Kulkarni, G. "Modeling Issues in the Vibration Control with Piezoceramic Actuators" Symposium on Emerging materials: Smart Materials, ASME Winter Annual Meeting, Proc. Smart Structures and Materials, A.D. Vol 24, AMD 123, pp. 7-17, 1991.
  45. Hanagud, S and Hall I, E.K. "Application of Smart Structures Concept in the Control of Chaotic Vibrations" Symposium on Emerging Materials" Smart Materials, ASME Winter Annual Meeting, Proc. Smart Structures and Materials, A.D. Vol 24, AMD 123, pp. 97-106, 1991.
  46. Hanagud, S., Savanur, S.G., NageshBabu, G.L., Won, C.C. and Srinivasan, A.V. "Modal Analysis with PVDF Films and Piezoceramic Transducers' Symposium on Emerging Materials" Smart Materials, ASME Winter Annual Meeting, Proc. Smart Structures and Materials, AD Vol. 24, AMD Vol. 123, pp. 19-24, 1991.

  47. Chander, R., Meyyappa, M. and Hanagud, S. "Internal Damping in Distributed Structural Dynamics Systems – Modeling and Identification" Proc. International Conference on Recent Developments in Air and Structure Born Sound and Vibration" 1990.
  48. Gummadi, N.B. and Hanagud, S. "Delaminations in Smart Structures – A Parametric Study on Vibrations" 31 st AIAA, ASME, AHS, ASEE SED Conference, 1990, pp. 2417-2426.
  49. Hanagud, S. and NageshBabu, G.L. "Imperfect Sensors and Optimum Control of the use of Piezoelectric Sensors and Piezoelectric Actuators" Proc, CISTAD, 1990.
  50. Hanagud, S., NageshBabu, G.L. and Won, C.C. "Delaminations in Smart Structures" Spring Meeting of the Society of Experimental Mechanics, pp. , 1990.
  51. Hanagud, S., NageshBabu, G.L., Won, C.C. and Obal, M.W. "Smart Structures for Helicopters" Proc. European Rotorcraft Forum, ERF 90- , 1990.
  52. NageshBabu, G.L. and Hanagud, S. "Delaminations in Smart Structures – A Parametric Study in Vibrations" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Materials Conference, pp. 2417-2426, 1990.
  53. Hanagud, S. and Glass, B.J. "AI Techniques for Structural Damage Detection in Smart Structures" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Material Conference, Paper No. AIAA-90-1170-CP, pp. 2390-2397, 1990.

  54. Hanagud, S. and Glass, B.J. "Artificial Intelligence Concepts and Piezoceramic Devices in Time Varying Smart Structures" Proc. SPIE Fiber-Optic Smart Structures and Skins, Vol. 1170, pp. 250-259, 1989.
  55. Hanagud, S., Sriram, P. and Craig, J.I. "A Scanning Laser Doppler Vibrometer" Proc. International Modal Analysis Conference, p. 919-925, 1989.
  56. Hanagud, S. and Glass, B.J. "AI Concepts and Piezoceramic Devices in the Development of Time Varying Smart Structures" Proc. Society of Optical Instrumentation Engineers, 1989.
  57. Hanagud, S. and Yillicki, Y.K. "Finite Difference Methods for Rotor Blade Aeroelastic Partial Difference Equations" Proc. European Rotorcraft Forum, ERF-06-33, 1989.
  58. Hanagud, S. and Abhyankar, N.S. "Chaotic Vibrations of Buckled Beams" Proc. Pan American Congress of Applied Mechanics, pp. 1-6, 1989.
  59. Hanagud, S., Sriram, P. and Craig, J.I. "A Scanning Laser Doppler Technique for Modal Testing of Distributed Parameter Systems" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Material Conference, pp. 1164-1171, 1989.

  60. Hanagud, S. and Sarkar, S. "Dynamics of Beams with Tip Masses and Attached to a Moving Base Proc. Nonlinear Vibrations, Stability and Dynamics of Structures and Mechanisms, (Ed A.H. Nayfeh and Mook) Paper No. 6, 1988.
  61. Hanagud, S. and Obal, M.W. "Identification of Dynamic Coupling Coefficients in a Structure with Piezoceramic Sensors and Actuators" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Material Conference, pp. 1611-1626, 1988.
  62. Hanagud, S. and Glass, B.J. "Structural Dynamic Identification by Using Heuristic Search" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Materials Conference, pp. 438-461, 1988.
  63. Hanagud, S., Won, C.C. and Obal, M.W. "Optimal Placement of Piezoceramic Sensors and Actuators" Proc. American Control Conference, pp. 1884-1889, 1988.
  64. Hanagud, S. and Sarkar, S. "Quasi Velocity Based Methods in Rotor Blade Dynamics" Proc. European Rotorcraft Forum, ERF-06-7, 1988.
  65. Hanagud, S., Obal, M.W. and Calise, A.J. "Piezoceramic Devices as Sensors and Actuators for Smart Structures" Proc. Smart Materials, Structures and Mathematical Issues, ARO Workshop on Smart Materials and Structures, (Ed. By C.A. Rogers) Technomic, pp. 69-79, 1988.

  66. Hanagud, S., Sarkar, S. and Yillicki, Y.K. "Finite Difference Techniques and Rotor Blade Aeroelastic Partial Differential Equations" Proc. European Rotor Craft Forum, ERF-1987-0601, 1987.
  67. Hanagud, S. and Glass, B.J. "AI Based Model – Adaptive Approach to Flexible Structural Control" Proc. AIAA Guidance and Control Conference, Paper No. 87-2457, pp. 930-940, 1987.
  68. Hanagud, S., Obal, M.W. and Calise, A.J. "Optimum Vibration Control by the Sue of Piezoceramic Sensors and Piezoceramic Actuators" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamics and Material Conference, pp. 987-997, 1987.

  69. Hanagud, S. and Sriram, P. "Whole Field Displacement Measurements by Suing Optical Speckle Image Processing Techniques" Proc. AHS National Specialists Meeting Crashworthy Design (Ed. S. Hanagud and D. P, Schrage), Paper No. v. 4, 1986.
  70. Hanagud, S. and Chattopadhyay, A. "Minimum Weight Design of a Structure with Dynamic Constraints and a Coupling of Bending and Torsion" Proc. AIAA, ASCE and AHS Structures, Structural Dynamic and Material Conference, pp. 386-394, 1986.
  71. Hanagud, S. and Chattopadhyay, A. "Mechanisms of Energy Absorption: An Analytical Study" Proc. AHS National Specialists Meeting on Crashworthy Design of Rotorcraft (Ed. S. Hanagud and D.P. Schrage) Paper No. V2, 1986.
  72. Hanagud, S., Yillicki, Y.K., Schrage, D.P. and Chattopadhyay, A. "Optimum Design of a Helicopter Rotor Blade" Proc. European Rotorcraft Forum, ERF-1986-012, 1986.
  73. Hanagud, S., Craig, J.I., Zhou, W. and Sriram, P. "Correlation of Experimental Static and Dynamic Responses of Structural Components" Proc. AHS National Specialists Meeting on Crashworthy Design of Rotorcraft (Ed. By S. Hanagud and D.P. Schrage) paper No. V3, 1986.
  74. Hanagud, S., Meyyappa, M. and Sarkar, S. "A Coupled Rotor/Airframe Vibration Model for Higher Harmonic Control" Proc. AHS Forum, pp. 821-830, 1986.
  75. Meyyappa, M. and Craig, J.I. "Basic Research in Structural Dynamic System Identification" Proc. AHS Forum, pp. 483-494, 1986.

  76. Hanagud, S., Schrage, D.P. and Sriram, P. "Crashworthy Design of Rotorcraft: A Basic Research Approach" Proc. AHS Forum, pp. 851-866, 1985.
  77. Hanagud, S. and Abhyankar, N.S. "Coupled Waves in a Bar of Mooney-Rivlin Material" Proc. 4 th International Conference on Numerical Methods in Engineering, GAMNI-ISNA, 1985.
  78. Hanagud, S., Obal, M.W. and Meyyappa, M. "Electronic Damping Techniques for Active vibration Control" Proc. AIAA, ASME, ASCE, and AHS Structures, Structural Dynamic and Material Conference, 1985.
  79. Hanagud, S., Chattopadhyay, A. and Smith, C.V. "Optimum Design of a Vibrating Beam with Coupled Bending and Torsion" Proc. AIAA, ASME, ASCE and ASH Structures, Structural Dynamics and Material Conference, 1985.
  80. Hanagud, ., Meyyapa, M., Craig, J.I. and Chen, Y.P. "Identification of Structural Dynamic Systems" in Recent Trends in Aeroelasticity, Structures and Structural Dynamics, Ed. By P. Hajela, University of Florida Press, pp. 120-1443, 1985.
  81. Hanagud, S., Craig, J.I., Sarkar, S. and Meyyappa, M. "Elastic Fuselage Modes and Higher Harmonic Control" Proc. European Rotorcraft Forum, Paper No. ERF-06-076, 1985.

  82. Hanagud, S. and Chen, H.P. "Basic Research in Crashworthy Design of Rotorcraft" Proc. AHS Meeting on Basic Research in Rotorcraft Technology, 1984.
  83. Hanagud, S. Meyyappa, M. and Craig, J.I. "Identification of Structural Dynamic Systems with Nonproportional Damping" Proc. AIAA, ASME, ASCE, and AHS Structures, Structural Dynamic and Material Conference, 1984.
  84. Hanagud, S., Meyyappa, M. and Cheng, Y.P. "Rotorcraft Structural Design Modifications" Proc. European Rotorcraft Forum, ERF-1984-0322, 1984.

  85. Hanagud, S., Meyyapa, M. and Craig, J.I. "Structural Dynamic Physicals Models by Identification Techniques" Proc. European Rotorcraft Forum, ERF-1983-048, 1983.
  86. Hanagud, S. and Abhyankar, N.S. "A Comparison of Finite Difference Methods for Second Piola - Kirchoff Formulation" Proc. Third International Conference on Numerical Methods in Engineering GAMNIU – ISINA, pp. 647-657, 1983.

  87. Hanagud, S. and Clinton, R.G. "On the Characterization of Damage in Graphite Epoxy Composites" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic Material Conference, pp. 391-400, Paper No. AIAA-82-0757, 1982.
  88. Hanagud, S., Chattopadhyay, A. and Lerloutz, L. "Shape Optimization of Fiber Reinforced Composites" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamics and Materials Conference, 1982.

  89. Hanagud, S. and Bernard, B. "A Penetration Theory for Axi-Symmetric Projectiles" Proc. 4 th International Conference on Structural Mechanics in Reactor Technology, 1977.
  90. Hanagud, S. and Clinton, R.G. "A Quantitative Model for Acoustic Emission" Proc. Acoustic Emission Symposium, 1976.
  91. Hanagud, S. and Thomas, J.M. "the Use of Subjective Expert Opinions on Cost Effective Design Procedures" Proc. 13 th Aerospace Science Meeting, AIAA paper no ., 1975.
  92. Hanagud, S. and Uppaluri, B. "Stochastic Models for Fatigue and Cost Effective Fatigue Design Decisions" Proc. AIAA, ASME, ASCE and AHS Structures, Structural Dynamic and Materials Conference, 1975.
  93. Hanagud, S., Clinton, R.G. and Lopez, J. "Forecasting Ice Jams by Acoustic Emission Techniques" Proc. Ice Symposium, 1974.
  94. Hanagud, R.G. Clinton and J.P. Lopez "Acoustic Emission in Bone Substance" ASME Winter Annual Meeting, Bio Mechanics Symposium, 1973.
  95. Hanagud, S., Ross, B. and Siddu, G.S. "Large Deformation Dynamic Plane Stress Analysis of Ice – Structure Interaction" Proc. 1 st Int. Conference on Port and Ocean Engineering Under Arctic Conditions, 1972.
  96. Hanagud, S., Craig, J.I. and Deadwyler, R.C. "Acoustic Emission in Sea Ice" IEEE Ultrasonics Symposium, 1972.
  97. Ross, B. and Hanagud, S. "Penetration Studies of Ice with Application to Arctic and Sub-Arctic Warfare" Proc. 14 th Mine Filed Conference, 1970.
  98. Hanagud, S., Ross, B. and Siddu, G.S. "Perforation and Penetration of Sea Ice" Proc. International Conference on Ice Mechanics, 1969.
  99. Ross, B. and Hanagud, S. "Large Deformation Theory for Deep Penetration of Solids" Proc. AIAA Hyper Velocity Symposium, 1969.
  100. Hanagud, S. "Finite Amplitude Spherical Waves in Locking Relaxing Solid" Invited Sectional Lecture, Proc. 5 th U.S. National Congress of Applied Mechanics, 1966.
  101. Hanagud, S. "Spherical Waves in a Locking Solid" Proc. Third European Conference on Acoustics, 1964.