Abstract
By using a hybrid displacement discontinuity method, the interactions of three parallel square-hole cracks in an infinite plate subjected to internal pressure are investigated in this paper. Numerical examples are included to illustrate that the numerical approach is very simple and effective for calculating the stress intensity factors (SIFs) of complex plane crack problems. Many numerical results of the SIFs are given and discussed. It is found that a square hole has a shielding effect on crack(s) emanating from the hole. The finding perhaps has an important meaning in engineering.
| Original language | English |
|---|---|
| Pages (from-to) | 519-534 |
| Number of pages | 16 |
| Journal | CMES - Computer Modeling in Engineering and Sciences |
| Volume | 95 |
| Issue number | 6 |
| State | Published - 2013 |
Keywords
- Crack-tip element
- Displacement discontinuity method
- Parallel Cracks
- Square hole
- Stress intensity factor
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