SED TEST1 CASE

Suspended Sediment Test in Channel

This case provides a fundamental check of the ability of a model to 1) represent a simple flow, 2) flux material from the bed, and 3) develop a suspended-sediment profile.

This case provides a fundamental check of the ability of a model to 1) represent a simple flow, 2) flux material from the bed, and 3) develop a suspended-sediment profile.

Model Parameters

The following parameters were used for the Suspended Sediment Test in Channel test case.

Model Parameter	Variable	Value
length, width, depth	Xsize, Esize, depth	10000 m, 100 m, 10 m
number of grid spacings	Lm, Mm, Nm	100, 10, 20 (+variable)
bottom roughness	Zob	0.0053 m
time step	dt	30 s
simulation steps	Ntimes	5000
settle velocity	ws	1.0 mm s-1
erosion rate	E0	5x10-5 kg m-2 s-1
critical stresses	τce	0.05 N m-2
porosity	ϕ	0.90
bed slope	S0	4x10-5
Inflow/Outflow boundary condition	u	1 m s-1