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International Journal of Fracture

, Volume 162, Issue 1–2, pp 33–49 | Cite as

Time dependent crack tip enrichment for dynamic crack propagation

  • Thomas MenouillardEmail author
  • Jeong-Hoon Song
  • Qinglin Duan
  • Ted Belytschko
Original Paper

Abstract

We study several enrichment strategies for dynamic crack propagation in the context of the extended finite element method and the effect of different directional criteria on the crack path. A new enrichment method with a time dependent enrichment function is proposed. In contrast to previous approaches, it entails only one crack tip enrichment function. Results for stress intensity factors and crack paths for different enrichments and direction criteria are given.

Keywords

Dynamic Fracture XFEM 

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Thomas Menouillard
    • 1
    Email author
  • Jeong-Hoon Song
    • 1
  • Qinglin Duan
    • 1
  • Ted Belytschko
    • 1
  1. 1.Department of Mechanical EngineeringNorthwestern UniversityEvanstonUSA

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