Research Article
Numerical Investigation of Hydraulic Fracture Extension Based on the Meshless Method
Table 1
Comparison between theoretical and numerical solutions of SIF at the crack tip.
| Tensile stress/MPa | Plate width/m | Plate half-length/m | Fracture length/m | Analytical solution/ | Numerical solution/ | Absolute error/% | 1 | 7 | 16 | 2.5 | 5.2915 | 5.1307 | 3.04 | 1 | 7 | 16 | 3 | 6.9819 | 6.7824 | 2.86 | 1 | 7 | 16 | 3.5 | 9.3721 | 9.0838 | 3.08 | 3 | 16 | 30 | 3 | 12.1007 | 12.3595 | 2.09 | 3 | 16 | 30 | 5 | 20.2732 | 20.3796 | 0.52 | 3 | 16 | 30 | 7 | 32.819 | 33.3066 | 1.49 |
|
|