A plane-strain analysis of dynamic indentation of an elastic-plastic multi-layered medium by a rigid cylinder was performed using the finite element method. Conversely to plane-strain static contact analysis, the solutions of a dynamic contact analysis within a subsurface domain adjacent to the contact region are independent of mesh size, provided the mesh dimensions are sufficiently large such that the propagating waves reflected from the artificial boundaries do not reach the domain of interest during the analysis. Simulation results for the normal force, contact pressure distribution, subsurface stresses, and evolution of plasticity in the multi-layered medium are presented in terms of the speed and radius of the rigid indenter. The likelihood of mechanical failure due to excessive plastic deformation and cracking is interpreted in terms of finite element results for the von Mises equivalent stress, first principal stress, and equivalent plastic strain obtained for different values of the indenter speed and radius of curvature.
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January 2004
Technical Papers
Dynamic Indentation of an Elastic-Plastic Multi-Layered Medium by a Rigid Cylinder
J. Yang, Graduate Student,
J. Yang, Graduate Student
Department of Mechanical Engineering, University of California, Berkeley, CA 94720
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K. Komvopoulos, Professor, Fellow ASME
K. Komvopoulos, Professor, Fellow ASME
Department of Mechanical Engineering, University of California, Berkeley, CA 94720
Search for other works by this author on:
J. Yang, Graduate Student
Department of Mechanical Engineering, University of California, Berkeley, CA 94720
K. Komvopoulos, Professor, Fellow ASME
Department of Mechanical Engineering, University of California, Berkeley, CA 94720
Contributed by the Tribology Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for presentation at the STLE/ASME Joint International Tribology Conference, Ponte Vedra, FL, October 26–29, 2003. Manuscript received by the Tribology Division February 28, 2003; revised manuscript received June 17, 2003. Associate Editor: J. L. Streator.
J. Tribol. Jan 2004, 126(1): 18-27 (10 pages)
Published Online: January 13, 2004
Article history
Received:
February 28, 2003
Revised:
June 17, 2003
Online:
January 13, 2004
Citation
Yang, J., and Komvopoulos, K. (January 13, 2004). "Dynamic Indentation of an Elastic-Plastic Multi-Layered Medium by a Rigid Cylinder ." ASME. J. Tribol. January 2004; 126(1): 18–27. https://doi.org/10.1115/1.1609489
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