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TABS-MDS
DR CARD
DRAG REDUCTION
DR CARD
Field
Variable
Value
Description
0,C1-2
IC1
DR
Card group identifier
0,C3
IC3
/b
Option1: Global assignment
N
Option2: Assignment by node
E
Option3: Assignment by element
T
Option4: Assignment by material type
Option1: User specifies value for all nodes ≥ J
1
J
+
+
Option2: User specifies value for node J
+
Option3: User specifies values for all nodes in element J
+
Option4: User specifies values for all nodes in material type J
2
SGRF(J)
+
Ratio of the drag at the bed to the total drag.
Used in the presence of dense vegetation to eliminate form drag in the
calculation of the applied bed shear stress.
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