Research Article
A Quasi-3D Numerical Model for Grout Injection in a Parallel Fracture Based on Finite Volume Method
Table 3
Grout pressure distribution over radius at t = 40 s in Case 1.
| Radius r (m) | Pressure (p-p0) | Analytical (kPa) | Quasi-3D model (kPa) | Fluent_2l (kPa) | Fluent_6l (kPa) | Relative errors (%) | Quasi-3D model | Fluent_2l | Fluent_6l |
| 0.05 | 0.8216 | 0.8173 | 0.5450 | 0.7709 | 0.52 | 33.67 | 6.17 | 0.10 | 0.5720 | 0.5660 | 0.3807 | 0.5375 | 1.05 | 33.44 | 6.03 | 0.15 | 0.4261 | 0.4197 | 0.2838 | 0.3998 | 1.50 | 33.40 | 6.17 | 0.20 | 0.3225 | 0.3160 | 0.2150 | 0.3019 | 2.02 | 33.33 | 6.39 | 0.25 | 0.2422 | 0.2356 | 0.1615 | 0.2259 | 2.73 | 33.32 | 6.73 | 0.30 | 0.1765 | 0.1724 | 0.1178 | 0.1640 | 2.32 | 33.26 | 7.08 | 0.35 | 0.1211 | 0.1180 | 0.0808 | 0.1124 | 2.56 | 33.28 | 7.18 | 0.40 | 0.0730 | 0.0712 | 0.0488 | 0.0677 | 2.47 | 33.15 | 7.26 | 0.45 | 0.0306 | 0.0293 | 0.0206 | 0.0283 | 4.25 | 32.68 | 7.52 |
| Average relative errors (%) | 2.16 | 33.28 | 6.73 |
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