Abstract
The paper introduces a computational algorithm to construct an evolving fluid-driven fracture front using unstructured triangular mesh elements. The scheme is implemented using the displacement discontinuity boundary element framework to represent the regional elastic medium. Special edge elements are described which enable the crack tip opening displacement to be matched to the assumed asymptotic crack tip opening shape as the fracture is propagated. The approach is illustrated using the cases of an incrementally pumped fracture growing in a uniform stress field and in a linearly varying stress field normal to the crack plane, with the crack tip opening shape dominated by a specified Mode I fracture toughness.
| Original language | English (US) |
|---|---|
| Title of host publication | Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 |
| Editors | Alphose Zingoni |
| Publisher | CRC Press/Balkema |
| Pages | 481-486 |
| Number of pages | 6 |
| ISBN (Print) | 9781138029279 |
| DOIs | |
| State | Published - 2016 |
| Event | 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 - Cape Town, South Africa Duration: Sep 5 2016 → Sep 7 2016 |
Publication series
| Name | Insights and Innovations in Structural Engineering, Mechanics and Computation - Proceedings of the 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 |
|---|
Other
| Other | 6th International Conference on Structural Engineering, Mechanics and Computation, SEMC 2016 |
|---|---|
| Country/Territory | South Africa |
| City | Cape Town |
| Period | 9/5/16 → 9/7/16 |
Bibliographical note
Publisher Copyright:© 2016 Taylor & Francis Group, London.