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TUFLOW 1D Flood Modeller Connectivity: Difference between revisions

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An X1DQ might be more appropriate where a Flood Modeller model stops and flows into an ESTRY model. The water level calculated by TUFLOW is applied as a time-varying head boundary in Flood Modeller. The Flood Modeller 1D node on the end of an X1DQ connection must be an HTBDY unit. This does not need to contain any data as this data will be overridden by the water levels provided by TUFLOW.
 
[[File:X1DQ Example.PNG|thumb|Border|none|700px|Figure 2: Flood Modeller Open Channel Discharging into a TUFLOW 1D Open Channel, the green node is the location of the 'X1DQ' node.]]
 
'''NOTE: Remember that the Flood Modeller node ID is Case Sensitive.'''
 
==Building a TUFLOW-Flood Modeller 1D-1D Connection==
Flood Modeller and TUFLOW will be considered linked if an ESTRY node in a 1D_nwk layer, and a Flood Modeller node in a Read GIS ISIS Nodes or Read GIS ISIS Network layer are snapped together (see Figure 3). MakeEnsure surethat the 2 nodes are snapped, or that a snap tolerance is being used. The ESTRY node should have a 1d_nwk Conn_1D_2D attribute of either "X1DH" or "X1DQ". If Conn_1D_2D field is blank then “X1DH” is assumed (see Figure 4). Note that the upstream and downstream inverts for the ESTRY node linked to Flood Modeller should be set to -99999 unless the node is also being used to set the inverts of channels snapped to it.
 
[[File:Estry Link.png|thumb|Border|none|400px|Figure 3-The ESTRY 1d_nwk node layer (in blue) snapped to a Flood Modeller node (in a 1d_x1d_isis layer in orange).]]<br>
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The type or existence of a connection can be also be checked by viewing the Conn_1D_2D attribute in the 1d_nwk_N_ check layer as shown in Figure 7.
 
[[File:1d nwk N Check.png|thumb|border|none|700px|Figure 7: 1d_nwk_N_ check layer showing successful activation of X1DQ connection. ]]
 
The _messages.mif/.shp layer contains CHECK 1393 messages at each ESTRY node linked to a Flood Modeller node. The presence of this message indicates that that the TUFLOW 1D (ESTRY) node has been successfully connected to a Flood Modeller node and therefore no action is required.
 
[[File:Messages.png|thumb|border|none|700px|Figure 8: _messages layer showing successful activation of X1DQ connection.]]
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* X1DH V Out: The volume of water out via a X1DH link.
* X1DQ V In: The volume of water in via a X1DQ link.
* X1DQ V Out: The volume of water out via a X1DQ link.
 
These additional outputs are shown in the highlighted columns in the image below. In this example there is an example of an 'X1DH' link and an 'X1DQ' link.
Results can also be plotted using the TUFLOW Viewer. In the case of a X1DH link between ESTRY and FLOOD Modeller, results are shown in Figure X.▼
 
[[File:X1dh results.png|thumb|border|none|700px|Figure 9]]▼
 
 
[[File:X1dq results.png|thumb|border|none|700px|Figure 10]]▼
▲Results can also be plotted using the TUFLOW Viewer. In the case of a X1DH link between ESTRY and FLOOD Modeller, results are shown in Figure X10.
 
▲[[File:X1dh results.png|thumb|border|none|700px|Figure 910]]
 
▲[[File:X1dq results.png|thumb|border|none|700px|Figure 1011]]
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