1. “Aeroelastic Stability of Hingeless Rotors,” Virginia Polytechnic Institute and State University, May 1976.
  2. “Air and Ground Resonance of Bearingless Rotor Helicopters,” University of California at Los Angeles, Nov. 1977.
  3. “Aeromechanical Stability of Bearingless Rotor Helicopters,” University of Cincinnati, Apr. 1979.
  4. “Rotorcraft Structural Dynamics and Aeroelasticity,” Invited Lectures at Stanford University, Apr. 1979.
  5. “Variable-Order Finite Element Shape Functions for Rotating Beam Dynamics,” Institute CERAC, Lausanne, Switzerland, Sept. 1980.
  6. “A Small-Strain, Large-Rotation Beam Theory for Helicopter Rotor Blades,” U.S. Army Aeroflightdynamics Directorate, Ames Research Center, Mar. 9, 1982.
  7. “Nonlinear Effects in Rotor Blade Dynamics,” University of Maryland, July 15, 1983.
  8. “Nonlinear Effects in Rotor Blade Dynamics,” Rensselaer Polytechnic Institute, July 20, 1983.
  9. “Cooperative Research on the Interaction of Tension and Torsion in Beam Theory,” DFVLR Institute of Structural Mechanics, Braunschweig, West Germany, Oct. 6, 1983.
  10. “On the Nonlinear Deformation Kinematics of a Beam for Small Strains and Finite Rotations,” DFVLR Institute for Aeroelasticity, Göttingen, West Germany, Nov. 16, 1984.
  11. “On the Nonlinear Deformation Kinematics of a Beam for Small Strains and Finite Rotations,” MBB Helicopter Division, Munich, West Germany, Nov. 23, 1984.
  12. “On the Nonlinear Deformation Kinematics of a Beam for Small Strains and Finite Rotations,” DFVLR Institute for Structural Mechanics, Braunschweig, West Germany, Nov. 30, 1984.
  13. “On the Nonlinear Deformation Kinematics of a Beam for Small Strains and Finite Rotations,” U.S. Army Aeroflightdynamics Directorate, Ames Research Center, Feb. 13, 1985.
  14. “Rotorcraft Structural Dynamics and Aeroelasticity,” Invited lectures at Stanford University, May 1985.
  15. “Nonlinear Beam Kinematics for Small Strains and Finite Rotation,” Stanford University, Oct. 3, 1985.
  16. “An Introduction to GRASP-General Rotorcraft Aeromechanical Stability Program -A Modern Approach to Rotorcraft Modeling,” Naval Postgraduate School, Monterey, California, Jan. 30, 1986.
  17. “An Introduction to GRASP-General Rotorcraft Aeromechanical Stability Program -A Modern Approach to Rotorcraft Modeling,” University of California at Los Angeles, Mar. 13, 1986.
  18. “Stability of Elastically Tailored Rotor Systems,” U.S. Army Aerostructures Directorate, Langley Research Center, Nov. 12, 1986.
  19. “Nonlinear Beam Kinematics for Small Strains and Finite Rotations,” Center of Excellence for Rotary Wing Aircraft Technology Seminar, School of Aerospace Engineering, Georgia Institute of Technology, Dec. 2, 1986.
  20. “Nonlinear Beam Kinematics for Small Strains and Finite Rotations,” United Technologies Research Center, Dec. 3, 1986.
  21. “Finite Deformations of Beams: Analytical and Experimental Study of Beam Torsional Stiffness with Large Axial Elongation,” Structural Mechanics Seminar, College of Engineering, Georgia Institute of Technology, Oct. 15, 1987.
  22. “Nonlinear Effects in the Static and Dynamic Behavior of Beams and Rotor Blades,” Rensselaer Polytechnic Institute, Apr. 21, 1988.
  23. “Nonlinear Effects in the Static and Dynamic Behavior of Beams and Rotor Blades,” Center of Excellence for Rotary Wing Aircraft Technology Seminar, School of Aerospace Engineering, Georgia Institute of Technology, May 31, 1988.
  24. “Space-/Time-Domain Finite Elements for Structures, Dynamics, and Control,” Langley Research Center, May 18, 1989.
  25. “Space-/Time-Domain Finite Elements for Structures, Dynamics, and Control,” U.S. Army Aeroflightdynamics Directorate, Ames Research Center, Aug. 10, 1989.
  26. “Space-/Time-Domain Finite Elements for Structures, Dynamics, and Control,” Naval Postgraduate School, Aug. 17, 1989.
  27. “Space-/Time-Domain Finite Elements for Structures, Dynamics, and Control,” Center of Excellence for Rotary Wing Aircraft Technology Seminar, School of Aerospace Engineering, Georgia Institute of Technology, Apr. 17, 1990.
  28. “Finite Elements in Time for Dynamics and Optimal Control,” LTV Aerospace and Defense Missiles Division, Dallas, Texas, Mar. 25, 1992.
  29. “A Geometrically Nonlinear Theory of Laminated Composite Plates,” Distinguished Seminar Speaker Series, Wayne State University, Detroit, Michigan, Dec. 14, 1993.
  30. “Modeling of Laminated Composite Plates,” Lockheed Aeronautical Systems Company, Marietta, Georgia, May 5, 1994.
  31. “Sectional Analysis of Composite Beams,” Bell Helicopter Textron, Fort Worth, Texas, Aug. 2, 1994.
  32. “Numerical Methods in Computational Mechanics and Optimal Control,” Numerical Analysis Seminar, School of Mathematics, Georgia Institute of Technology, Mar. 3, 1995.
  33. “On Asymptotically Correct Laminated Plate Theory,” Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, North Carolina, Apr. 26, 1995.
  34. “Dimensional Reduction for Composite Beams of Arbitrary Cross Section,” Department of Mechanical Engineering, Washington University, Saint Louis, Missouri, Sept. 7, 1995.
  35. “A Variational-Asymptotic Approach to Dimensional Reduction for Twisted and Curved Anisotropic Beams,” Structural Mechanics Seminar Series, Georgia Institute of Technology, Apr. 25, 1996.
  36. “Theory of Laminated Plates: An Asymptotic Point of View,” Langley Research Center, Sept. 16, 1996.
  37. “Computational Analysis of Composite Rotor Blades,” Department of Aerospace Engineering, the University of Michigan, Mar. 9, 1998.
  38. “An Asymptotic Approach to the Modeling of Composite Beams, Plates, and Shells,” Department of Aeronautics and Astronautics, University of Washington, October 15, 2001.
  39. “An Asymptotic Approach to the Modeling of Composite Beams, Plates, and Shells,” Department of Mechanical, Aerospace, and Nuclear Engineering, Rensselaer Polytechnic Institute, February 28, 2003.
  40. “An Asymptotic Approach to the Modeling of Composite Beams, Plates, and Shells,” Virginia Tech, February 26, 2004.
  41. “Aeroelastic Behavior and Flight Dynamics of Highly Flexible Flying Wings,” University of Texas at Arlington, January 27, 2005.
  42. “Modeling of Slender Structural Members: An Asymptotic Approach to the Modeling of Composite Beams, Plates, and Shells,” University of California at Los Angeles, Feb. 22, 2008.
  43. “Modeling of Slender Structural Members: An Asymptotic Approach to the Modeling of Composite Beams, Plates, and Shells,” Vanderbilt University, Nov. 17, 2008.
  44. “Modeling of Slender Structural Members: An Asymptotic Approach to the Modeling of Composite Beams, Plates, and Shells,” Texas A&M University, Apr. 30, 2009.
  45. “Asymptotic Modeling of Composite Beams, Plates, and Shells,” Virginia Tech, Mar. 22, 2012.
  46. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, San Francisco Bay Area Chapter of the American Helicopter Society, Ames Research Center, May 29, 2014.
  47. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, Beihang University, Beijing, China, June 4, 2014.
  48. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, Seoul National University, Seoul, South Korea, June 9, 2014.
  49. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, Korea Aeronautical Research Institute, Daejon, South Korea, June 11, 2014. 
  50. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, Washington University, St. Louis, Missouri, Aug. 28, 2014. 
  51. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, University of Michigan, Ann Arbor, Michigan, October 2, 2014.
  52. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, Rensselaer Polytechnic Institute, Troy, New York, October 29, 2014.
  53. “Unified Approach for Accurate and Efficient Modeling of Composite Rotor Blade Dynamics,” Alexander A. Nikolsky Honorary Lecture, Georgia Institute of Technology, Atlanta, Georgia, November 21, 2014.
  54. “Unified Approach for Accurate and Efficient Modeling of Beams and Plates Made of Thick Composite Laminates,” University of Central Florida, Orlando, Florida Mar. 25, 2016.
  55. “Unified Approach to Accurate and Efficient Modeling of Composite Beams, Plates and Shells,” The William R. Sears Memorial Lecture Series at The University of Arizona, Tucson, Arizona, Nov. 8, 2018.
  56. “Unified Approach to Accurate and Efficient Modeling of Composite Beams, Plates and Shells,” Invited Plenary Talk, Indian Conference on Applied Mechanics (INCAM) 2019, Indian Institute of Science, Bangalore, India, July 3 – 5, 2019.