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SED2D-WES Version 4.3 Beta
CI CARD
CLAY CHARACTERISTIC by ID
CI CARD
Active parameters on this card cause the program to use the specified parameter values in place of the
default values.
Required for clay
Field
Variable
Value
Description
0,C1-2
IC1
CI
Card group identifier
≥0
1
IDCL
ID type number
(#1 is freshly deposited and unconsolidated)
If IDCL > MNCL (CC card) do not consolidate
≥0
2
THKTYPE
Typical layer thickness (m) for this id type
<0
Default = .03 meters
≥0
3
TAUP
Bed shear stress at which cohesive particles begin to erode
(newtons/sq m)
Default = 0.06 n/m2
<0
≥0
4
PERC
Erosion rate constant for particle erosion
Default = 0.002 kg/m2/sec
<0
≥0
5
QSI
Bed shear stress at which cohesive layers begin to erode in
mass (newtons/m2)
<0
Default = 0.06,.12,.41, and 3.4 for layers 1 through 4 and
3.4 (n/m2) for layers 5 through MNCL
≥0
6
QSE
Bed shear stress at which cohesive at age = 1 year begin to
erode in mass (n/m2
<0
Default = 1.1 x QSI values (see above)
≥0
7
RHOI
Initial dry density of a deposit of this type of cohesive
material (kg/m3)
43
WORKING DRAFT
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