Cracking node method for dynamic fracture with finite elements

Jeong‐Hoon Song; TED BELYTSCHKO

doi:10.1002/nme.2415

journal article Jul 22, 2008

Cracking node method for dynamic fracture with finite elements

Jeong‐Hoon Song TED BELYTSCHKO

International Journal for Numerical Methods in Engineering Vol. 77 No. 3 pp. 360-385 · Wiley

View at Publisher Save 10.1002/nme.2415

Abstract

AbstractA new method for modeling discrete cracks based on the extended finite element method is described. In the method, the growth of the actual crack is tracked and approximated with contiguous discrete crack segments that lie on finite element nodes and span only two adjacent elements. The method can deal with complicated fracture patterns because it needs no explicit representation of the topology of the actual crack path. A set of effective rules for injection of crack segments is presented so that fracture behavior beginning from arbitrary crack nucleations to macroscopic crack propagation is seamlessly modeled. The effectiveness of the method is demonstrated with several dynamic fracture problems that involve complicated crack patterns such as fragmentation and crack branching. Copyright © 2008 John Wiley & Sons, Ltd.

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Metrics

138

Citations

59

References

Details

Published: Jul 22, 2008
Vol/Issue: 77(3)
Pages: 360-385
License: View

Authors

Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3111, USA

Cite This Article

Jeong‐Hoon Song, TED BELYTSCHKO (2008). Cracking node method for dynamic fracture with finite elements. International Journal for Numerical Methods in Engineering, 77(3), 360-385. https://doi.org/10.1002/nme.2415

Cracking node method for dynamic fracture with finite elements

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