Multi-impact modeling is a challenge in the simulation of processes such as shot peening, with its variants laser peening and ultrasonic peening, or cold spray. Shot peening is commonly used to induce compressive stresses in machine elements subject to fatigue. The large number of impacts involved in the process implies consequent computation time to obtain representative results. In this paper, we present a new approach to model shot peening by using a semi-analytical method that accounts for plasticity. The numerical efficiency of the code along with the use of a small representative area allows reduction in the computation time. It is also possible to observe, with a small number of impacts, the effect of several coverage rates. Thus the improving efficiency of the process with increasing covering rate can be observed as well as potential saturation effect when the covering rate is too high.
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STLE/ASME 2010 International Joint Tribology Conference
October 17–20, 2010
San Francisco, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
978-0-7918-4419-9
PROCEEDINGS PAPER
Multi-Impact Simulation: Effect of the Covering Rate on the Mean Plastic Strain Profiles
T. Chaise,
T. Chaise
Universite´ de Lyon, Villeurbanne, France
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D. Ne´lias
D. Ne´lias
Universite´ de Lyon, Villeurbanne, France
Search for other works by this author on:
T. Chaise
Universite´ de Lyon, Villeurbanne, France
D. Ne´lias
Universite´ de Lyon, Villeurbanne, France
Paper No:
IJTC2010-41065, pp. 297-299; 3 pages
Published Online:
April 14, 2011
Citation
Chaise, T, & Ne´lias, D. "Multi-Impact Simulation: Effect of the Covering Rate on the Mean Plastic Strain Profiles." Proceedings of the STLE/ASME 2010 International Joint Tribology Conference. STLE/ASME 2010 International Joint Tribology Conference. San Francisco, California, USA. October 17–20, 2010. pp. 297-299. ASME. https://doi.org/10.1115/IJTC2010-41065
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