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A new crack tip element for the phantom-node method with arbitrary cohesive cracks
- Issue Date
- 30-7월-2008
- Publisher
- WILEY
- Keywords
- cracks; Hansbo and Hansbo' s approach; phantom-node method; dynamic fracture
- Citation
- INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, v.75, no.5, pp.577 - 599
- Indexed
- SCIE
SCOPUS
- Volume
- 75
- Number
- 5
- Start Page
- 577
- End Page
- 599
- ISSN
- 0029-5981
- Abstract
- We have developed a new crack tip element for the phantom-node method. In this method, a crack tip can be placed inside an element. Therefore, cracks can propagate almost independent of the finite element mesh. We developed two different formulations for the three-node triangular element and four- node quadrilateral element, respectively. Although this method is well suited for the one-point quadrature scheme, it can be used with other general quadrature schemes. We provide some numerical examples for some static and dynamic problems. Copyright (c) 2007 John Wiley & Sons, Ltd.
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