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Structural Engineering and Mechanics
  Volume 29, Number 6, August20 2008, pages 709-729
DOI: http://dx.doi.org/10.12989/sem.2008.29.6.709
 


A three-dimensional finite element analysis of two/multiple shots impacting on a metallic component
T. Hong, J.Y. Ooi and B.A. Shaw

 
Abstract
    This paper describes a three-dimensional dynamic finite element analysis of two/multiple shots impacting on a metallic component. The model is validated against a published numerical study. An
extensive parametric study is conducted to investigate the effect of shot impacting with overlap on the resulting residual stress profile within the component, including time interval between shot impacts, separation distance between the impacting points, and impacting velocity of successive shots. Several meaningful conclusions can be drawn regarding the effect of shot impacting with overlap.
 
Key Words
    shot peening; finite element analysis; residual stress; shot impacting with overlap.
 
Address
T. Hong: College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, P.R. China
J.Y. Ooi: School of Engineering & Electronics, University of Edinburgh, King?s Buildings, Edinburgh EH9 3JN, UK
B.A. Shaw: Dept. of Mechanical, Materials and Manufacturing Engineering, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK
 

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