• D.Sc., Technion-Israel Institute of Technology, 1984
  • M.Sc., Technion-Israel Institute of Technology, 1980
  • B.Sc., Technion-Israel Institute of Technology, 1977

Research Areas and Descriptors


Dr. Green’s research has been conducted under industrial and government sponsorship. His work broadly supports the field of design, rotordynamics, and tribology. The calculation of stiffness of bolted joints has become standard in classical design textbooks*. In 2006 he received the ASME highest honor, the Machine Design Award. His work on the dynamic behavior of mechanical seals operating in liquid or gas (again award winning) has been implemented into various computer codes which have been acquired by seals manufacturers, users, and research labs. For two decades he taught two continuing education courses: (1) The “Mechanical Engineering Professional Engineering Refresher,” and (2) with colleagues from BHRG, he taught and administered the course “Fluid Sealing Technology.” He served on numerous editorial boards, served on the STLE Board of Directors, and chaired two terms the Executive Committee of the ASME, Tribology Division.

* Calculation method adopted in these notable textbooks:
  • Shigley, J.E., and Mischke , 6th & 7th Ed., McGraw-Hill, 2003, pp. 415-417;
  • Hamrock, B.J, et al, McGraw-Hill, 1999, pp. 684-686;
  • Norton, R.L., 2nd Ed., Prentice-Hall, 1998, pp. 915-91


Over the past thirty years Dr. Green's main focus has been in the design aspects of the mechanics and dynamics of rotating machinery with a particular emphasis on bearings, seals, viscoelastic seals and dampers, tribology, rotordynamics, and diagnosis. His recent and current research projects involve the investigation of elasto-plastic contact of rough surfaces using the finite element method, analytical and numerical analyses of the stability and the steady-state responses of gas lubricated bearings (in read/write heads of magnetic storage) and mechanical seals (in jet turbo-engines), active control of mechanical seal vibration, rotordynamics and diagnostics of transversely cracked shafts, failure analysis of thrust washers (in planetary gearests), and the physical extraction and characterization of the mechanical properties of articular cartilage.

  • American Society of Mechanical Engineers
    • Machine Design Award, 2006
    • Fellow, 2000
    • Journal of Tribology  Technical Associate Editor, 1988-1996
    • Burt L. Newkirk Award for Excellence in Technical Papers Published in Transactions of ASME, 1986
  • Society of Tribologists and Lubrication Engineers
    • Captain Alfred E. Hunt Memorial Award for his paper: the Thermoelastic Behavior of Thrust Washer Bearings Considering Mixed Lubrication, 2009
    • Frank P. Busick Award for Best Sealing Technology Paper, 2004
    • Fellow, 2001
    • Walter D. Hodson Award (with Min Zou), 2001
    • Tribology Transactions  Associate Editor, 1998-present
    • Best Sealing Technology Paper Award (with B. Ruan and R. Salant), 1998
  • Woodruff School Faculty Fellow, 1993-1998


  • Secondary Gas/Liquid Mechanical Seal Assembly, U. S. Patent No. 5,487,550, with R. Salant, I. Hufford, and O. Giles, January 30, 1996

Representative Publications

  • J. Wileman and I. Green. 1998. Stability Analysis of Mechanical Seals with Two Flexibly Mounted Rotors. Journal of Tribology 120(2), 145-151. Presented at the 1997 World Tribology Conference, London, England, September 1997.
  • B. Miller and I. Green. 1998. Constitutive Laws and the Correspondence Principle for the Dynamics of Gas Lubricated Triboelements. Journal of Tribology 120(2), 345-352. Presented at the 1997 World Tribology Conference, London, England, September 1997.
  • J. Wileman and I. Green. 1997. Steady-State Analysis of Mechanical Seals with Two Flexibly Mounted Rotors. Journal of Tribology 119(1), 200-204.
  • M. Zou and I. Green. 1997. Real-Time Condition Monitoring of Mechanical Face Seals. The 24th Leeds-Lyon Symposium on Tribology, Imperial College, London, September 4-6, 1997, 423-430.
  • A. S. Lee and I. Green. 1995. An Experimental Investigation of the Steady-State Response of a Noncontacting Flexibly Mounted Rotor Mechanical Face Seal. Journal of Tribology 177(1), 153-159.