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Article
Article
| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhuang, Zhuo Cheng, BinBin |
| Copyright Year | 2011 |
| Abstract | In this work, a novel numerical method is developed for simulating arbitrary crack growth in pipes with the idea of enriched shape functions which can represent the discontinuity independent of the mesh. The concept of the enriched shape functions is introduced into the continuum-based (CB) shell element. Due to the advantage of CB shell element, the shell thickness variation and surface connection can be concerned during the deformation. The stress intensity factors of the crack in the CB shell element are calculated by using the ‘equivalent domain integral’ method for 3D arbitrary non-planar crack. The maximum energy release rate is used as a propagation criterion. This method is proved able to capture arbitrary crack growth path in pipes which is independent of the element mesh. Numerical examples of different fracture patterns in pipes are presented here. |
| Starting Page | 1520 |
| Ending Page | 1531 |
| Page Count | 12 |
| File Format | |
| ISSN | 16747348 |
| Journal | Science in China Series G |
| Volume Number | 54 |
| Issue Number | 8 |
| e-ISSN | 18691927 |
| Language | English |
| Publisher | SP Science China Press |
| Publisher Date | 2011-06-15 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | CB shell element enriched shape functions extended finite element 3D arbitrary crack propagation energy release rate Classical Continuum Physics Physics Astronomy, Observations and Techniques |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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