Elastic crack growth in finite elements with minimal remeshing

Authors
Belytschko, T Black, T
Citation
T. Belytschko et T. Black, Elastic crack growth in finite elements with minimal remeshing, INT J NUM M, 45(5), 1999, pp. 601-620
Citations number
16
Categorie Soggetti
Engineering Mathematics
Journal title
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING
ISSN journal
00295981 → ACNP
Volume
45
Issue
5
Year of publication
1999
Pages
601 - 620
Database
ISI
SICI code
0029-5981(19990620)45:5<601:ECGIFE>2.0.ZU;2-U
Abstract
A minimal remeshing finite element method for crack growth is presented. Di scontinuous enrichment functions are added to the finite element approximat ion to account for the presence of the crack. This method allows the crack to be arbitrarily aligned within the mesh. For severely curved cracks, reme shing may be needed but only away from the crack tip where remeshing is muc h easier. Results are presented for a wide range of two-dimensional crack p roblems showing excellent accuracy. Copyright (C) 1999 John Wiley & Sons, L td.