GC CARD: Geometry, Continuity Check Lines
Optional
Card Description: Code corner nodes only. Code all lines in the same direction.
The lines will be numbered (J = 1, number of lines) according to their order of
appearance in this file.
Automatic calculation of the sediment flux across a continuity check line is not
available in current version of SED2D WES. At some future date the capability will
be added to calculate flux at up to MCC lines across part or all the grid with up to
MCCN nodes per line. The flux through the first continuity check line that is
specified will be used as a reference load for all subsequent continuity lines (as in
RMA2). Code all lines in the same direction to ensure a consistent sign for the flux
direction. . In general, code left to right when facing downstream.
Field
Variable
Value Description
0, C 1-2
IC1
GC
Card group identifier.
Number of corner nodes to be specified in this
1
NNL
+
continuity line.
2 to
List of corner nodes which define line segments for
Line (J,K)
+
NNL
automatic generation of boundary conditions (K = 1,
plus 1
NNL).
NOTE: If a continuation line is necessary, start the next corner node in field1 of
the next GC card.
GCL card has replaced the old GC line format.
Run Control GC Card 95
Users Guide To SED2D-WES
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