Research Article
Numerical Simulation of the Topographical Change in Korea Mountain Area by Intense Rainfall and Consequential Debris Flow
Table 2
Summary of values used in simulations.
| Parameters (unit) | Value |
| Solid density (kg/m3) | 2.65 | Fluid density (kg/m3) | 1 | Volumetric sediment concentration in bed | 0.65 | Mean diameter of sediment particle (m) | 0.03 | Gravity acceleration (m/s2) | 9.8 | Erosion coefficient | 0.0007 | Deposition coefficient | 0.05 | Tangent of internal friction angle of sediment | 0.7 | Manning coefficient | 0.04 | Time interval (s) | 0.02 | Mesh size (m) | 5 |
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