Clayey?
No
F
Set:
Yes
m Is there soil
Fmax, WI = 3 < M.C. < Fmax, WI = 5 = Wet
toisture input for
Fmax, WI = 2 ≤ M.C. ≤ Fmax, WI = 3 = Average
hawed layer?
≤ M.C. < Fmax, WI = 2 = Dry
max, WI = 2
No
W
Set:
WI0, 1 = Dry
WI2, 3 = Average
I4, 5 = Wet
Dry,oaverage,
r wet
Wet
Dry
Average
No
Yes
s DTHAW < 15 cm?
Is sinkage < DTHAW?
Use normal soil conditions
Use normal soil conditions
Normal soil conditions
Yes
s
Set RCI for
T
Set:
inkage = DTHAW
M = TRRCI 300 TRMULT
R
R = MRRCI 300 MRMULT
I
Normal soil conditions
P. RICHMOND
P
R 54
Figure B2 (cont'd). Logic in the cold regions module of NRMM II ver. 2.5.0.
C CRLSNOW COLD REGIONS MODEL 28 March 94
C***************************
C
*
CCRLSNOW*
C
*
C****************
LOGICAL FUNCTION CRLSNOW()
C
C 18 Jun 92
Implemented in CAMMS/NRMM by R.B.Ahlvin
C 15 Mar 94
Paul Richmond
C 28 Mar 94
Karen Faran
C
C Inputs:
C Common /DERIVE/
C JPSI
Current deflection scenario index
C Common /PREP/
C GCA(NAMBLY,NJPSI)
Ground contact area for each traction element
C Common /TERRAN/
40
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