Professor
Department of Mechanical Engineering
The University of Iowa
Iowa City, IA 52242-1527
 
Off: 2136 Seamans Center
Tel: (319) 335-5683
Fax: (319) 335-5669

Email: ray-han@uiowa.edu

Ray P.S. Han, Ph.D. UBC (1986)

[Florence and Mervyn Han]

Since April 28, 1996, this homepage has been visited times.


Research Interests

Engineering Design

·  Design of Machines and Mechanisms

·  Design of Systems

·  Design of Processes

 
Computational & Theoretical Mechanics

·  Finite Element Methods

·  Continuum Damage Mechanics

·  Structural Mechanics

·  Perturbation Methods

·  Fluid-Structure Interactions

·  Structural Dynamics

·  Nonlinear Dynamics

·  Space Dynamics

·  Multibody Dynamics

·  Mechanisms and Linkages


Editorial Positions

·  Technical Associate Editor, ASME Journal of Vibration and Acoustics

·  Member of the Editorial Board, Journal of Multibody Dynamics

·  Member of the Editorial Board, Journal of Nonlinear Dynamics in Science and Technology

·  Theme Editor (Space Systems), Philosophical Transactions A of the Royal Society of London


Journal Publications (Past 5 Years)

1.     Luo, A.C. and Ray P.S. Han, "Analytical predictions of chaos in a nonlinear rod", Journal of Sound & Vibration, May 1999 (in press).

2.     Luo, A.C., K. Gu and Ray P.S. Han, "Resonant-separatrix webs in stochastic layers of the twin-well Duffing oscillator", Journal of Nonlinear Dynamics, January 1999 (in press).

3.     Bettig, B.P. and Ray P.S. Han, "Design implementation of an object-oriented predictive maintenance scheme for rotordynamics usage", Journal of Mechanical Systems and Signal Processing, October 1998 (in press).

4.     Bettig, B.P. and Ray P.S. Han, "Modeling the lateral vibration of hydraulic turbine generator rotors", ASME Journal of Vibration and Acoustics, September 1998 (in press).

5.     Han, Ray P.S. and Jia Lu, "A space-time finite element for elasto-plastic shock dynamics of beams", Journal of Sound & Vibration, 222, 65-84, 1999.

6.     Ray P.S. Han and A.C.J. Luo, "Resonant layers in nonlinear dynamics", ASME Journal of Applied Mechanics, 65, 727-736, 1998.

7.     Bernie Bettig and Ray P.S. Han, "Predictive maintenance using the rotordynamic model of a hydraulic turbine-generator rotor", ASME Journal Vibration and Acoustics, 120, 441-448, 1998.

8.     A.C.J. Luo and Ray P.S. Han, "Quantitative stability and bifurcation analyses of the generalized Duffing oscillator with strong nonlinearity", Journal of the Franklin Institute, 334B, 447-459, 1997.

9.     Yanghu Mou, Ray P.S. Han and A.H. Shah "Exact dynamic stiffness matrix for beams of arbitrarily varying cross-sections", International Journal for Numerical Methods in Engineering, 40, 233-250, 1997.

10. G. Tyc, Ray P.S. Han, F.R. Vignern, A.M. Jablonski, R. Chandrashaker, V.J. Modi and A.K. Misra, "Canada's role in space tethers: past, present and future", Special Publication of the 15th CANCAM, eds. A.K. Misra and R.P.S. Han, 1996.

11. Yanghu Mou and Ray P.S. Han, "Influence of damage in the vicinity of a macrocrack tip", Engineering Fracture Mechanics, 55, 617-632, 1996.

12. Ray P.S. Han and Hanzhong Xu, "A simple and accurate added mass model for hydrodynamic fluid-structure interaction analysis", Journal of Franklin Institute, 333B, 929-945, 1996.

13. Bernie Bettig and Ray P.S. Han, "An object-oriented framework for interactive numerical analysis in a graphics user interface environment", International Journal for Numerical Methods in Engineering, 39, 2945-2971, 1996.

14. Ray P.S. Han and A.C.J. Luo, "Comments on the subharmonic resonances and criteria for escape and chaos in a driven oscillator", Journal of Sound & Vibration, 196, 237-242, 1996.

15. A.C.J. Luo, Ray P.S. Han, G. Tyc, V.J. Modi and A.K. Misra, "Analytical vibration and resonant motion of a stretched spinning tether", AIAA Journal of Guidance, Control & Dynamics, 19, 1162-1171, 1996.

16. Yanghu Mou and Ray P.S. Han, "Damage evolution in ductile materials", International Journal of Damage Mechanics, 5, 241-258, 1996.

17. A.C.J. Luo and Ray P.S. Han, "The dynamics of a bouncing ball with a sinusoidally vibrating table revisited", Nonlinear Dynamics, 10, 1-18, 1996.

18. Yanghu Mou and Ray P.S. Han, "Damage zones in strain hardening materials", Mechanics of Materials, 22, 131-147, 1996.

19. A.C.J. Luo, Yanghu Mou and Ray P.S. Han, "A large anisotropic damage theory based on an incremental complementary energy equivalence model", International Journal of Fracture, 70, 19-34, 1995.

20. Ray P.S. Han and J.W. Zu, "Pseudo non self-adjoint and non self-adjoint systems in structural dynamics", Journal of Sound & Vibration, 184, 725-743, 1995.

21. Y. Chen and Ray P.S. Han, "Current and future persepctives in nonlinear dynamics in engineering", Mechanics and Practice, 17, 11-19, 1995.

22. A.C.J. Luo, Ray P.S. Han amd Y. Xiang, "Chaotic analysis of subharmonic resonant waves in undamped and damped strings", Journal of Hydrodynamics, Ser. B, 7, 92-104, 1995.

23. Z. Ye and Ray P.S. Han, "On the nonlinear analysis of orthotropic shallow shells of revolution", Computers and Structures, 55, 325-331, 1995.

24. Ray P.S. Han, A.C.J. Luo and W. Deng, "Chaotic motion of a horizontal impact pair", Journal of Sound & Vibration, 181, 231-250, 1995.

25. G. Tyc and Ray P.S. Han, "Attitude dynamic investigation of the OEDIPUS-A tethered rocket payload", AIAA Journal of Spacecraft and Rockets, 32, 133-141, 1995.

26. C.M. Wang and Ray P.S. Han, "A further note on the effects of shear deformation on the buckling of columns", Journal of Sound & Vibration, 185, 895-896, 1995.


 
[Mechanical & Industrial Engineering Faculty]
[Department of Mechanical & Industrial Engineering]
[The University of Iowa]
 
Last updated 5/12/1999