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 |
|
|
