A simple and robust three-dimensional cracking-particle method without enrichment
- Authors
- Rabczuk, Timon; Zi, Goangseup; Bordas, Stephane; Nguyen-Xuan, Hung
- Issue Date
- 2010
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Meshfree methods; Cohesive crack model; Dynamic fracture
- Citation
- COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, v.199, no.37-40, pp.2437 - 2455
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
- Volume
- 199
- Number
- 37-40
- Start Page
- 2437
- End Page
- 2455
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/118537
- DOI
- 10.1016/j.cma.2010.03.031
- ISSN
- 0045-7825
- Abstract
- A new robust and efficient approach for modeling discrete cracks in meshfree methods is described The method is motivated by the cracking-particle method (Rabczuk T. Belytschko T. International Journal for Numerical Methods in Engineering, 2004) where the crack is modeled by a set of cracked segments However, in contrast to the above mentioned paper, we do not introduce additional unknowns in the variational formulation to capture the displacement discontinuity Instead, the crack is modeled by splitting particles located on opposite sides of the associated crack segments and we make use of the visibility method in order to describe the crack kinematics. We apply this method to several two- and three-dimensional problems in statics and dynamics and show through several numerical examples that the method does not show any "mesh" orientation bias (C) 2010 Elsevier B V. All rights reserved
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- Appears in
Collections - College of Engineering > College of Engineering > 1. Journal Articles
- College of Engineering > School of Civil, Environmental and Architectural Engineering > 1. Journal Articles
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