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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)
Since April 28, 1996, this homepage has been visited times.
Research Interests
Engineering Design
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· Design of Machines and Mechanisms · Design of Systems · Design of Processes |
Computational & Theoretical Mechanics
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· 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
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· 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