Phase-field modeling of fracture in linear thin shells
- Authors
- Amiri, F.; Millan, D.; Shen, Y.; Rabczuk, T.; Arroyo, M.
- Issue Date
- 2월-2014
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Phase-field model; Meshfree method; Thin shells; Local maximum entropy; Point-set surfaces; Manifold learning
- Citation
- THEORETICAL AND APPLIED FRACTURE MECHANICS, v.69, pp.102 - 109
- Indexed
- SCIE
SCOPUS
- Journal Title
- THEORETICAL AND APPLIED FRACTURE MECHANICS
- Volume
- 69
- Start Page
- 102
- End Page
- 109
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/99388
- DOI
- 10.1016/j.tafmec.2013.12.002
- ISSN
- 0167-8442
- Abstract
- We present a phase-field model for fracture in Kirchoff Love thin shells using the local maximum-entropy (LME) meshfree method. Since the crack is a natural outcome of the analysis it does not require an explicit representation and tracking, which is advantage over techniques as the extended finite element method that requires tracking of the crack paths. The geometric description of the shell is based on statistical learning techniques that allow dealing with general point set surfaces avoiding a global parametrization, which can be applied to tackle surfaces of complex geometry and topology. We show the flexibility and robustness of the present methodology for two examples: plate in tension and a set of open connected pipes. (C) 2013 Elsevier Ltd. All rights reserved.
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