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TID CARD
TIMING, DYNAMIC ITERATIONS
TID CARD
Required for dynamic calculations
Field
Variable
Value
Description
0,C1-2
IC1
TID
Card group identifier
1
NITN
+,0
The number of iterations for a dynamic solution. For each iteration
include the following set(s) of control numbers:
2
IURVL(I)
+,0
The degree of under-relaxation:
= 0 relaxation factor = 1.0 (No active under-relaxation)
= 1 relaxation factor = 0.9
= 9 relaxation factor = 0.1
3
ITLVL(I)
+,0
Gaussian level:
= 0 normal
= 1 reduced order
4
ITEQV(I)
+,0
Active equations:
= 0 velocity, depth and quality constituent
= 1 velocity and depth
= 2 quality constituent only
5
ITEQS(I)
+,0
Active quality constituent types:
= 0 salinity
= 1 temperature
= 2 suspended sediment
NOTE: Repeat fields 2-5 until NITN sets are entered.
If a continuation card is necessary, start in field 1 of the next TID card and continue entering values for
IURVL..ITEQS.
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