Murugaratnam, K. and Utili, S. (2011) Shot peening optimization using the discrete element method. In: 11th International Conference on Shot Peening, South Bend, IN, U.S.A., Sep 12-15, 2011. Published in: Proceedings of the 11th International Conference on Shot Peening pp. 135-140.

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Abstract

The aim of this study is to develop a Discrete Element Model (DEM) capable of simulating the main shot peening (SP) processes of industrial interest. By means of this model, shot - shot interaction, shot - target interaction and the overall shot flow were investigated in detail with limited computational effort. A new technique to dynamically change the coefficient of restitution (CoR) for repeated impacts of shots on the same spot was implemented to take into account the effect of material hardening. It emerges that changing the CoR for subsequent impacts has a significant influence on the predicted overall peening effect.

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Faculty of Science > Engineering
Journal or Publication Title:	Proceedings of the 11th International Conference on Shot Peening
Publisher:	International Scientific Committee of Shot Peening
Date:	2011
Page Range:	pp. 135-140
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Engineering and Physical Sciences Research Council (EPSRC) Industrial CASE, Rolls-Royce Group plc, DEM Solutions
Conference Paper Type:	Paper
Title of Event:	11th International Conference on Shot Peening
Type of Event:	Conference
Location of Event:	South Bend, IN, U.S.A.
Date(s) of Event:	Sep 12-15, 2011
URI:	http://wrap.warwick.ac.uk/id/eprint/46812

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