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A finite element ductile failure simulation method using stress-modified fracture strain model
- Issue Date
- 1월-2011
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Ductile fracture simulation; Finite element analysis; Stress-modified fracture strain
- Citation
- ENGINEERING FRACTURE MECHANICS, v.78, no.1, pp.124 - 137
- Indexed
- SCIE
SCOPUS
- Journal Title
- ENGINEERING FRACTURE MECHANICS
- Volume
- 78
- Number
- 1
- Start Page
- 124
- End Page
- 137
- ISSN
- 0013-7944
- Abstract
- This paper proposes a new method to simulate ductile failure using finite element analysis based on the stress-modified fracture strain model. A procedure is given to determine the stress-modified fracture strain as a function of the stress triaxiality from smooth and notched bar tensile tests with FE analyses. For validation, simulated results using the proposed method are compared with experimental data for cracked bar (tensile and bend) tests, extracted from API X65 pipes, and for full-scale burst test of gouged pipes, showing overall good agreements. Advantages in the use of the proposed method for practical structural integrity assessment are discussed. (C) 2010 Elsevier Ltd. All rights reserved.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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