718
Proceedings of the 18
th
International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
0.2
0.4
0.6
0.8
1
1.2
1.4
0.1
0.2
0.3
0.4
0.5
0.6
0
0.1
0.2
0.3
Embankment profile
Water surface
Flow velocity field
x
coordinate: m
Inflow boundary (0.0029 m
3
/s/m)
Free outfall boundary
Figure 2. Initial and boundary conditions for three-dimensional simulation.
0.2
0.4
0.6
0.8
1
1.2
1.4
0.1
0.2
0.3
0.4
0.5
0.6
0
0.05
0.1
0.15
0.2
0.25
x
coordinate: m
Dry cell
100 sec
0.2
0.4
0.6
0.8
1
1.2
1.4
0.1
0.2
0.3
0.4
0.5
0.6
0
0.05
0.1
0.15
0.2
0.25
x
coordinate: m
Dry cell
600 sec
Figure 3. Computed embankment profiles eroded by concentrated water flow (100 and 600 seconds after overflow).
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