1.
s/m1/3
Exercise 3

2.
bed-slope (S) 2000 1:…. Input
Manning_coeff (n) 0.02 s/m1/3 Output
bed-width (b) 2 m Start depth 0.01 m
side slope (x) 1.5 1:…. Step 0.01 m
Wetted Hydraulic Velocity Specific
Water depth (y) Discharge Area (A) Perimeter (P) Radius (R ) Velocity (v) Head Energy (H)
(m) (m3/s) (m2) (m) (m) (m/s) (m) (m)
0.800 1.861 2.560 4.884 0.524 0.727 0.026 0.826
0.810 1.905 2.604 4.920 0.529 0.732 0.027 0.837
0.820 1.950 2.649 4.957 0.534 0.736 0.027 0.847
0.830 1.996 2.693 4.993 0.539 0.741 0.027 0.857
0.840 2.042 2.738 5.029 0.545 0.746 0.028 0.868
0.850 2.088 2.784 5.065 0.550 0.750 0.028 0.878
0.860 2.136 2.829 5.101 0.555 0.755 0.028 0.888
0.870 2.183 2.875 5.137 0.560 0.759 0.029 0.899
0.880 2.232 2.922 5.173 0.565 0.764 0.029 0.909