D-R-A-F-T
Notation
=
coefficient for the source term 1/sec
1
=
2
C
=
Chezy roughness coefficient
concentration of sediment, kg/m3
c
=
CME
=
coefficient of 1 for metric units and l.486 for English units
=
critical concentration = 300 mg/l
Cc
=
coefficient for deposition
Cd
=
coefficient for entrainment
Ce
=
equilibrium concentration
Ceq
=
approximate concentration in an element as evaluated from the shape
functions and nodal point values of c
D
=
water depth
=
effective grain size
Ds
effective diffusion coefficient in x-direction, m2/sec
=
Dx
effective diffusion coefficient in y-direction, m2/sec
Dy
=
DT
=
computation time interval
t
=
time
f(t)
=
time-varying characteristic
=
shear stress coefficient for currents
fc
=
shear stress coefficient for waves
fw
GP
=
transport potential
GS
=
transport capacity
g
=
acceleration due to gravity
i
=
number of grain size class
M
=
consolidation coefficient
N
=
quadratic shape functions
NE
=
total number of elements
148 Notation
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