Read MI Table Links == <.mif/.mid_file> 50
Read Materials File == 51
Relative Resistance == [ {RELATIVE} | MATERIAL ] 51
S Channel Approach == [ PRE 2004-06-AA ] 51
Storage Above Structure Obvert == [ {CHANNEL WIDTH} | ] 51
Trim XZ Profiles == [ ON | {OFF} ] 52
XS Database == 52
[ BG | CS | NA | VG ].... ! Fixed Field Flags 60
BG Data == 60
CS Data == 60
NA Data == 61
VG Data == 61
Read MI IWL == <.mif/.mid_file> 69
Set IWL == 69
BC Database == <.csv_file> 77
BC Event Name == 77
BC Event Text == 78
EB Data == 78
Read MI BC == <.mif/.mid_file> 78
Cell Size == 9
Grid Size (N,M) == , 9
Grid Size (X,Y) == , 9
Orientation == , 9
Orientation Angle == 10
Origin == , 10
Read MI Location == <.mif/.mid_file> 10
Read TGA == <.tga_file> 18
Read TGF == <.tgf_file> 18
External Bndy == , , , 27
Read MI [ MAT | IWL | CnM | FRIC | WrF | FLC ] == 28
Read MI Code [ {} | BC ] == 28
Read MID [ CODE | MAT | IWL | CnM | FRIC | WrF | FLC ] == 28
Read MID Grid == 29
Set [ CODE | MAT | IWL | CnM | FRIC | WrF ] == 29
Write MI Domain == <.mif/.mid_file> 29
Write MI Grid == <.mif/.mid_file> 29
Allow Dangling Z Lines == [ ON | {OFF} ] 38
Default Land Z == 38
Interpolate ZC [ {} | ALL ] [ {} | LOWER ] 38
Interpolate [ ZHC | ZUVC ] [ {} | ALL ] [ {} | AFTER ] 39
Pause When Polyline Does Not Find Zpt == [ ON | {OFF} ] 39
Read MI Z Line [ {} | RIDGE or MAX | GULLY or MIN | HX ] [ {} | CC ] [ {} | THICK ] [ {} | ADD ] == 40
Read MI Zpts [ {} | ADD | MAX | MIN ] == 41
Read MID Zpts [ {} | ADD | MAX | MIN ] == 41
Set Zpt == 42
Write MI Zpts == 42
ZC == MIN(ZU,ZV) 42
Read File == 51
Stop 51
BC Database == <.csv_file> 9
BC Event Name == 9
BC Event Text == 10
Global Rainfall Area Factor == [ {1.0} | ] 10
Global Rainfall BC == 10
Global Rainfall Continuing Loss == [ {0} | ] 10
Global Rainfall Initial Loss == [ {0} | ] 10
Read MI BC == <.mif/.mid_file> 10
Read MI SA [ {} | Rainfall ] == <.mif/.mid_file> 11
Unused HX and SX Connections == [ {ERROR} | WARNING ] 11
Cell Side Wet/Dry Depth == [ {0.03} | ]
(Optional)
Sets the wet/dry depth for determining when cell sides wet and dry. The default is 0.03m. The depth should be selected according to the magnitude of flooding depths. For fine-scale urban flood studies, a wet/dry depth of 0.01 to 0.02m may be more appropriate. The cell side wet/dry depth should be commensurate with the cell wet/dry depth and is typically less in magnitude.
Cell Wet/Dry Depth == [ {0.05} | ]
(Optional)
Sets the wet/dry depth for determining when a cell wets and dries. The default is 0.05m. The depth should be selected according to the magnitude of flooding depths. For fine-scale urban flood studies, a wet/dry depth of 0.01 to 0.02m may be more appropriate.
HX ZC Check == [ {ON} | OFF ]
(Optional)
If ON (the default), checks whether the minimum ZC elevation at or along a HX object (see Table 4 .24 and Table 4 .25) is above the 1D bed level interpolated between connected 1D nodes. This is necessary to ensure that there is water in the nodes when the 2D HX cells start to wet. If the ZC elevation is lower than the 1D bed level, unexpected flows or a surge of water may occur into the 2D domain.
Using the “Z” flag (see HX in Table 4 .25), the ZC elevation is automatically raised at each 2D HX cell to slightly above the 1D node bed level. Only ZC elevations that are below the 1D bed are raised.
The checks and any automatic raising of ZC points includes the Cell Wet/Dry Depth value so that the ZC elevation is above the node bed plus the cell wet/dry depth.
If this option is set to OFF, lower ZC elevations are allowed and no automatic raising of ZC elevations occurs.
This option was incorporated in Build 2004-01-AE and is provided for backward compatibility.
SX ZC Check == [ {ON} | OFF ]
(Optional)
If ON (the default), checks whether the minimum ZC elevation at or along a SX object (see Table 4 .24 and Table 4 .25) is below the connected or snapped 1D node bed level. This is necessary to ensure that the channels connected to the node only start flowing once the 2D SX cell is wet and the water level in the cell is above the lowest channel bed. If the ZC elevation is higher than the lowest channel, unexpected flows or a surge of water may occur in the 1D channels.
Using the “Z” flag (see SX in Table 4 .25), the ZC elevation is automatically lowered at each cell associated with a SX object to below the connected or snapped 1D node bed level. Only ZC elevations that are above the node are lowered.
The checks and any automatic lowering of ZC points includes the Cell Wet/Dry Depth value so that the ZC elevation is below the node bed less the cell wet/dry depth.
If this option is set to OFF, higher ZC elevations are allowed and no automatic lowering of ZC elevations occurs.
This option was incorporated in Build 2002-08-AI and is provided for backward compatibility.
Wetting and Drying == [ {ON} | ON NO SIDE CHECKS | OFF ]
(Optional)
Controls the wetting and drying method.
The default “ON” drys cells once the cell water depth falls below the cell wet/dry depth (see “Cell Wet/Dry Depth” command). A cell becomes wet once an adjoining cell’s water level is higher than the cell’s wet/dry depth. This method only considers adjoining wet cells that share a common cell side that is wet.
The “ON NO SIDE CHECKS” option is as described above, except that drying at the cell sides is not considered. All four adjoining cells are always considered.
The “OFF” option disables wetting and drying. This should only be used for models that have no cells likely to wet and/or dry.
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