NL
=
total number of boundary segments
n
=
Manning's roughness value
P
=
erosion rate constant
PI
=
percent of bed surface covered by grain size, expressed as a function
Q
=
for the transient problem
qis
=
flux from source on boundary i
=
water density
L
=
density of the failed layer
S
=
source term
=
thickness of the failed layer
T1
t
=
time, sec
=
characteristic time
tc
to
=
time zero
=
time, 1 year
t1
=
bed share stress
=
critical shear stress for deposition
d
=
critical shear stress for particle erosion
e
=
bulk shear strength of the layer
s
u
=
flow velocity in x-direction, m/sec
=
maximum orbital velocity of waves
uom
=
shear velocity
u*
v
=
flow velocity in y-direction, m/sec
=
Vs/(Cc)4/3
=
Vk
=
fall velocity of a sediment particle
Vs
V
=
mean flow velocity
x
=
primary flow direction, m
y
=
direction perpendicular to x , m
=
local coordinate
Notation 149
Users Guide To SED2D-WES