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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Significant
      Contributions
Structural Dynamics & Smart Structures Laboratory
Publications
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Published Journal Papers


  1. S. Hanagud, M. Bayon de Noyer, D. Henderson and K.S. Nagaraja, "Buffet Alleviation in High Performance Twin Tail Aircraft By Using Piezoceramic Stack Actuators" AIAA Journal April 2002
  2. S.F. Griffin, C.C. McColl and S. Hanagud, " System for Enhancing The Sound Quality of an Acoustic Instrument" US Patent 6,320,113 B1, November 20, 2001
  3. S. Hanagud, et al, " Smart structures" McGraw Hill Year Book of Science and Technology 2002, p 306-308
  4. X. Lu, W. Lestari and S. Hanagud, "Nonlinear Vibrations of a Delaminated Beam," Journal of Vibration and Control, v 7, n 6, 2001, pp. 803-831
  5. W. Lestari and S. Hanagud, "Nonlinear vibration of buckled beams: Some exact solutions," Int. J. Solids Struct., v. 38, n. 26-27, 2001, pp. 4741-4757
  6. Bayon de Noyer, M. and Hanagud, S. "Single Actuator And Multi-Mode Acceleration Feedback Control" J. of Intelligent Systems and Materials,May 1999.
  7. X. Lu and S. Hanagud, " Modified Extended Irreversible Thermodynamics Model for Material Damping, "ASME aerospace Div., AD 59, p. 403-410, 1999
  8. Luo, H. and Hanagud, S. "PVDF Film Sensor and its Application in Damage Detection" Journal of Aerospace Engineering, Vol. 12, No. 1, pp. 23-30, 1999.
  9. Griffin, S., Luo, H. and Hanagud, S. "Acoustic Guitar Function Modes Including Symmetric and Anti-Symmetric Plate Modes" 84, 3, p.563-569, 1998.
  10. Luo, H. and Hanagud, S. "On the Dynamics of Vibration Absorbers with Motion-Limiting Stops" J. of Appl. Mechanics, 65, pp. 223-233, 1998.
  11. Hanagud, S. and Clinton, R.G. "Soft Tissues and Acoustic Emission Based Diagnostic Tools" Proc. IEEE Ultrasonics Symposium, pp.242-245, 1977.
  12. Luo, H. and Hanagud, S. "An Integral equation for Changes in the Structural Dynamics Characteristics of Damaged Structures" International Journal of Solids and Structures, v.34, no. 35-36, pp. 4557-4579, 1997.
  13. Lim, and Hanagud, S. "On the Feasibility of Using Thermal Gradients for Active Control of Interlaminar Stresses" Journal of Composite Materials, pp. 1556-1573, 1997.
  14. Bayon de Noyer, M. and Hanagud, S. "Single Actuator and Multi-Mode Acceleration Feedback Control"Adaptive Structures and Materials Systems, ASME, AD Vol. 54, pp. 227-235, 1997.
  15. Luo, H. and Hanagud, S. "Dynamic Learning Rate Neural Network training and Damage Detection" AIAA Journal, pp. 1522-1527, 1997.
  16. Luo, H. and Hanagud, S. "Delamination Modes in Composite Plates" Journal of Aerospace Engineering, pp. 106-113, 1996.
  17. Roglin, R.L. and Hanagud, S. "A Helicopter with Adaptive Rotor Blades for Collective Control" J. Smart Materials and Structures, 5, pp. 75-89, 1995.
  18. Hanagud, S. and Gummadi, L.N.B. "Smart Structures in the Control of Air Frame Vibrations" AHS Journal, 39, pp. 69-72, 1994.
  19. Hall, E. and Hanagud, S. "Control of Nonlinear Structures" Dynamics: Chaotic Vibrations, pp. 470-476, 1993.
  20. Luo, H. and Hanagud, S. "Optimum Vibration Control by the use of Piezoceramic Sensors and Piezoceramic Actuators" AIAA J. of Guidance, Dynamics and Control, 1992. (Also in the Proc. 28 th S.D.M. Conf.) pp. 987-997, 1987.
  21. Roglin, R.L. and Hanagud, S. "Variable camber control of airfoil" U.S. Patent No. 5150864, 09/29/1992.
  22. Sriram, P., Hanagud, S. and Craig, J.I. "mode Shape Measurements Using Scanner Laser Doppler Vibrometer" International Journal of Analytical and Experimental Modal Analysis, 7, pp. 169-178, 1992.
  23. Prasad, J.V.R. and Hanagud, S. "Vibration Control of Smart Structures Using Fixed Order Dynamic Compensation" Accepted for publication in Journal for Intelligent Material, Systems and Structures, 3, pp. 501-518, 1992.
  24. Hanagud, S., Obal, M.W. and Calise, A.J. "Optimal Vibration Control by the Use of Piezoceramic Sensors and Actuators" Journal of Guidance Control and Dynamics, v 15, n 5, p 1199-1206, 1992.
  25. Sriram, P., Hanagud, S. and Craig, J.I. "Scanning Laser Doppler Techniques for Vibration Testing" Experimental Techniques, p. 21-26, 1992.
  26. Hanagud, S, Abhyankar, N.S., and Hall II, E.K. "Chaotic Vibration of Beams: Numerical Solution of Partial Differential Equations" ASME Journal of Applied Mechanics, 60, pp. 167-174, 1992.
  27. Sriram, P., Hanagud, S. and Craig, J.I. "A Scanning Laser Doppler Technique for Vibration Testing" AIAA Journal, 1992.
  28. Hanagud, S. and Glass, B.J. "Identification of Time-Varying Structural Dynamic Systems: An Artificial Intelligence Approach" AIAA Journal, 30, pp. 1371-1382, 1992.
  29. Hall II, E. Kessler, S. and Hanagud, S. "Use of Fractal Dimension in the Characterization of Chaotic Structural Dynamic Systems" ASME Apl. Mechs. Rev. Vol. 44, No. 11, pp. 107-113, 1991.
  30. Hall II, E.K. and Hanagud, S. "Chaos in a Single Equilibrium Point System: Finite Deformations" Nonlinear Dynamics, Vol. 2, No. 3, pp. 157-170, 1991.
  31. Abhyankar, N.S. and Hanagud, S. "Coupled Waves in a Bar of Mooney-Rivlin Material" International Journal of Non-Linear Mechanics, Vol. 25, No. 2, pp. 169-186, 1991.
  32. Sriram, P., Hanagud, S., Craig, J.I. and Komerath, N. "Scanning Laser Doppler Technique for Velocity Profile Sensing on a Moving Surface" Applied Optics, Vol. 29, No. 6, pp. 2406-2417, 1990.
  33. Hanagud, S., Glass, B.J. and Calise, A.J. "Artificial Intelligence Based Model-Adaptive Approach to Flexible Structure Control" AIAA Journal of Guidance, Control and Dynamics, Vol. 13, No.3, pp. 534-544, 1990.
  34. Sriram, P., Craig, J.I. and Hanagud, S. "A Scanning Laser Doppler Vibrometer for Modal Testing" International Journal of Analytical and Experimental; Modal Analysis, Vol. 5, No. 3, pp. 155-167, 1990.
  35. Hanagud, S., Meyyappa, M., Sartre, S and Craig, J.I. "Elastic Fuselage Modes in Higher Harmonic Control of Coupled Rotor-Airframe Systems" Vertical, Vol. 13, No. 4, pp. 473-480, 1989.
  36. Hanagud, S. and Sarkar, S. "Problem of the Dynamics of a Cantilever Beam Attached to a Moving Base" AIAA Journal of Guidance, Control and Dynamics, Vol. 16, pp. 483-441, 1989.
  37. Hanagud, S., Craig, J.I. and Sriram, P. "Energy Absorption Behavior of Graphite-Epoxy Composite Sine Webs" J. of Composite Materials, Vol. 23, No. 5, pp. 448-459, 1989.
  38. Hanagud, S., Abhyankar, N,S, and Chander, R. "Chaotic Vibrations in Beams" ASME Appl. Mechs. Rev., pp. 100-107, 1989.
  39. Sriram, P. and Hanagud, S. "Projection Speckle Digital Correlation Method for Surface Displacement Measurements" Experimental Mechanics, Vol. 28, No. 4, pp. 340-345, 1988.
  40. Hanagud, S., Chattopdhyay, A. and Smith, C.V. "Optimal Design of a Vibrating Beam with Coupled Bending and Torsion" AIAA Journal, Vol. 25, no. 9, pp. 80-92, 1987.
  41. Hanagud, S., Meyyappa, M., Craig, J.I. and Cheng,Y.P. "Identification of Structural Dynamics Systems with Non-proportional Damping" AIAA Journal, 1986, pp. 1880-1882.
  42. Hanagud, S. and Meyyappa, M. and Craig, J.I. "Method of Multiple Scales Perturbations and Identification of Nonlinear Structural Dynamic Systems" AIAA Journal, 1985, pp. 802-811.
  43. Snyder, R.G., Hanagud, S., Grubs, T. and McFeely, T. "Biomedical Engineering Analysis of Fatal Trauma Attributed to Seat Failure and Rotational Acceleration' Human Identification, Thomas publisher, 1984.
  44. Hanagud, S. and Abhyankar, N.S. "A Numerical Scheme for the Study of Pointing Effects in Wave Propagation Problems" Int. J. Nonlinear Mechanics, pp. 507-524, 1984.
  45. Hanagud, S. and Latham, R. L. "Second Order Accurate Numerical Techniques for the Dynamic Response of Locking Materials" Developments in Theoretical and Appl. Mechs., Vol. 12, pp. 593-602, 1982.
  46. Hanagud, S. and Uppaluri, B. "Probabilistic Fracture Mechanics and Optimum Fracture Control Procedures for a Reusable Solid Rocket Motor Case" AIAA J. of Space Crafts and Rockets, 1979, pp. 147-153.
  47. Hanagud, S. and Carter, A.E. " Interference Fits and Stress Corrosion Failures" ASTM, STP, 610, 1975, pp. 610-621.
  48. Hanagud, S. and Uppaluri, B. "reliability-Based Optimum Inspection and Maintenance Procedures" AIAA Journal of Aircraft, 1975, pp. 403-411.
  49. Carter, A.E. and Hanagud, S. "Stress Corrosion Susceptibility of Stress Coined Aluminum Alloy Structures" AIAA Journal, 1975, pp. 858-863.
  50. Thomas, J.M. and Hanagud, S. "Decision Theory in Structural Reliability" Proc. Annual Reliability and Maintainability Symposium, pp. 225-262, 1975.
  51. Hanagud, S. and Clinton, R.G. "Acoustic Emission Techniques in the Development of a Diagnostic Tool for Osteoporosis" Proc. IEEE Ultrasonics Symposium, pp. 41-45, 1975.
  52. Hanagud, S. and Clinton, R.G. "Acoustic Emission and Early Diagnosis of Osteoporosis" Proc. IEEE Ultrasonics Symposium, pp. 77-80, 1974.
  53. Hanagud, S., Craig, J.I. and Deadwyler, R.C. "Acoustic Emission in Sea Ice" Proc. IEEE Symposium on Ultrasonics, 1972.
  54. Hanagud, S., Ross, B. and Sidhu, G.S. "Axi-symmetric Impact of Compactible Rods Subjected to Large Deformations" Israel J. of Technology, 1972, pp. 213-218.
  55. Hanagud, S. and Ross, B. "Large Deformation Deep Penetration Theory for Compressible Strain Hardening Target Materials" AIAA Journal, 1971, pp. 905-911.
  56. Hanagud, S., Martner, J.M. and Sidhu, G.D. "High Frequency Flexural Modes of Straight Wedges" IEEE J. on Sonics and Ultrasonics, 1971, pp. 95-102.
  57. Hanagud, S., Ross, B. and Sidhu, G.S. "Elastic-Plastic Impact of Rods and Plates in Compactible Materials" Israel J. of Technology, 1969, pp. 149-161.
  58. Martner, J, M, and Hanagud, S. "Design of a High Amplitude Resonator" J. of Acoustical Society of America, 1966, Vol. 44, pp. 717-723.
  59. Hanagud, S. "Plane and Spherical Waves in Locking Type of Materials with a Viscous Type of Stress-Strain Relationship" Israel J. of Technology, 1966, pp. 129-136.
  60. Lempriere, B.M., Hanagud, S. and Meiner, R.C. "Damping of Vibrations of a Coiled Spring due to Primary Creep" Intl. J. Mech. Sci., Vol. 7, 1965, pp. 57-79.
  61. Hanagud, S. "Spherical Waves in a Simple Locking Solid", Bull. Sci. Res. Am., Vol.59, No. 1, 1964, pp. 737-754.
  62. Hanagud, S. and Iyengar, K.T.S. "On the Problem of Torsion of a Bar Whose Cross Section is a parallelogram", J. Appl. Sci. Res., Sec A., Vol ii, 1963, pp. 341-351.