Tutorial M04: Difference between revisions
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= Introduction =
In this module, bridges are represented within the 2D domain.
* Part 1: 2D Layered Flow Constriction
* Part 2: 2D Bridge Structure
Topographic changes are made to cut through the road and a time series data output created to gain information on a range of hydraulic parameters of the bridge.<br>
The GIS layers are:
:*TGC layers:
<ol><ol>
<ol><ol><li>2d_lfcsh: A layer used for modelling 2D flow under and over bridges, pipes and other obstructions across the waterway. ▼
<li>2d_zsh: A layer used to modify Zpt elevations using points, lines and polygons.
▲
<li>2d_bg: A layer used for modelling 2D bridges
</ol></ol>
:*TCF layers:
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</ol></ol>
'''Module 4 builds from the model created in <u>[[Tutorial_M02 | Module 2]]</u>. The completed Module 2 model is provided in the Module_04\TUFLOW folder.''' <br>
<br>▼
= Part 1 - Layered Flow Constriction =
== GIS Inputs ==
Create, import and view input data:<br>
:*<u>[[Tutorial_M04_GIS_Inputs_QGIS | QGIS - SHP]]</u>
:*<u>[[Tutorial_M04_GIS_Inputs_QGIS_GPKG | QGIS - GPKG]]</u>
<br>▼
== Simulation Control Files ==
=== TUFLOW Geometry Control File (TGC) ===
<ol>
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<li>Save the TGC.
</ol>
The '''2d_zsh_M02_cut_002_R''' file from Module 2 is first read to cut through the embankment. The 2d_lfcsh is then read to represent the structure. The order is important as the 2d_lfcsh has an invert value of 99999, it uses the underlying elevation values to represent the invert of the 2D bridge. If this was read before the 2d_zsh file, it would use the elevation of the embankment crest.
=== TUFLOW Control File (TCF) ===
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<li>Save the TCF.
</ol>
<br>▼
== Running the Simulation ==
<ol>
<li>Save a copy of '''_run_M02_HPC.bat''' as '''_run_M04_HPC.bat''' in the '''Module_04\TUFLOW\runs''' folder.
<li>Update the batch file to reference the '''M04_5m_001.tcf''' :<br>
<font color="blue"><tt>'''set'''</tt></font> <font color="black"><tt>exe</tt></font><font color="red"><tt>=</tt></font><font color="black"><tt>"..\..\..\exe\
<font color="blue"><tt>'''set'''</tt></font> <font color="black"><tt>run</tt></font><font color="red"><tt>=</tt></font><font color="black"><tt>start "TUFLOW" /wait</tt></font> <font color="orange"><tt> %exe%</tt></font> <font color="black"><tt> -b</tt></font> <br>
<font color="orange"><tt>%run% </tt></font> <font color="black"><tt>M04_5m_001.tcf </tt></font> <br>
<li>Save the batch file and double click it in file explorer to run the simulation.
</ol>
<br>▼
== Troubleshooting =
See tips on common mistakes and troubleshooting steps if the model doesn't run:
:*<u>[[Tutorial_Troubleshooting_QGIS | QGIS]]</u>
== Check Files ==
While the model is running, review the added features are specified correctly:
:*<u>[[Tutorial_M04_Check_Files_QGIS | QGIS - SHP]]</u>
:*<u>[[Tutorial_M04_Check_Files_QGIS_GPKG | QGIS - GPKG]]</u>
== Results ==
When the model is finished, review the results:
:*<u>[[Tutorial_M04_Results_QGIS | QGIS]]</u>
▲<br>
= Part 2 - 2D Bridge Structure =
Part 2 replaces the 2d_lfcsh layer representing the bridge with a 2d_bg layer.
== GIS Inputs ==
Create, import and view input data:<br>
:*<u>[[Tutorial_M04_002_GIS_Inputs_QGIS | QGIS - SHP]]</u>
:*<u>[[Tutorial_M04_002_GIS_Inputs_QGIS_GPKG | QGIS - GPKG]]</u>
== Simulation Control Files ==
=== TUFLOW Geometry Control File (TGC) ===
<li>Save a copy of '''M04_001.tgc''' as '''M04_002.tgc''' in the '''Module_04\TUFLOW\model''' folder.
<li>Open the '''M04_002.tgc''' in a text editor
<li> Comment out the Read GIS Layered FC Shape command and add the Read GIS BG Shape command: <br>
<u>'''QGIS - SHP'''</u><br>
<font color="green"><tt>! Read GIS Layered FC Shape == gis\2d_lfcsh_M04_bridge_001_L.shp</tt></font><br>
<font color="blue"><tt>Read GIS BG Shape </tt></font> <font color="red"><tt>== </tt></font> <font color="black"><tt>gis\2d_bg_M04_002_L.shp</tt></font> <font color="green"><tt> ! Bridge structure representing 2D bridge losses</tt></font> <br>
<u>'''QGIS - GPKG'''</u><br>
<font color="green"><tt>! Read GIS Layered FC Shape == 2d_lfcsh_M04_bridge_001_L</tt></font><br>
<font color="blue"><tt>Read GIS BG Shape </tt></font> <font color="red"><tt>== </tt></font> <font color="black"><tt>2d_bg_M04_002_L</tt></font> <font color="green"><tt> ! Bridge structure representing 2D bridge losses</tt></font> <br>
<li>Save the TGC.
</ol>
=== TUFLOW Control File (TCF) ===
<li>Save a copy of '''M04_5m_001.tcf''' as '''M04_5m_002.tcf''' in the '''Module_04\TUFLOW\runs''' folder.
<li>Open the '''M04_5m_002.tcf''' in a text editor and make the following reference updates: <br>
<u>'''QGIS - SHP'''</u> <br>
<font color="blue"><tt>Geometry Control File </tt></font> <font color="red"><tt>== </tt></font> <font color="black"><tt>..\model\M04_002.tgc</tt></font> <font color="green"><tt> ! Reference the TUFLOW Geometry Control File</tt></font> <br>
<u>'''QGIS - GPKG'''</u> <br>
<font color="blue"><tt>Spatial Database </tt></font> <font color="red"><tt>== </tt></font> <font color="black"><tt>..\model\gis\M04_002.gpkg</tt></font> <font color="green"><tt> ! Specify the location of the GeoPackage Spatial Database</tt></font> <br>
<font color="blue"><tt>Geometry Control File </tt></font> <font color="red"><tt>== </tt></font> <font color="black"><tt>..\model\M04_002.tgc</tt></font> <font color="green"><tt> ! Reference the TUFLOW Geometry Control File</tt></font> <br>
<li> Add the following line in the 'Model Inputs' section: <br>
<font color="blue"><tt>Blank BG FLC Approach </tt></font> <font color="red"><tt>== </tt></font> <font color="black"><tt>METHOD A</tt></font> <font color="green"><tt> ! Automatic superstructure FLC values will be calculated based on the ratio of the depth of the pier layer</tt></font> <br>
<li>Save the TCF.
</ol>
== Running the Simulation ==
<li>Update the batch file created in the first part of Module 4 to reference the '''M04_5m_002.tcf''' file.<br>
<li>Save the batch file and double click it in file explorer to run the simulation.
</ol>
== Troubleshooting ==
See tips on common mistakes and troubleshooting steps if the model doesn't run:
:*<u>[[Tutorial_Troubleshooting_QGIS | QGIS]]</u>
== Check Files ==
While the model is running, review the added features are specified correctly:
:*<u>[[Tutorial_M04_002_Check_Files_QGIS | QGIS - SHP]]</u>
:*<u>[[Tutorial_M04_002_Check_Files_QGIS_GPKG | QGIS - GPKG]]</u>
== Results ==
When the model is finished, review the results:
:*<u>[[Tutorial_M04_002_Results_QGIS | QGIS]]</u>
<br>
= Conclusion =
:*
:*2d_po structure group was setup and described to enable more detailed result viewing through the structure. <br>
:*Check files were used to review the 2D bridge application.
:*Results were visualised to show water passing through the 2D bridge and the structure group results were assessed. <br>
:*For further training opportunities see <u>[https://tuflow.com/training/training-course-catalogue/ TUFLOW Training Catalogue]</u> and/or contact <u>[mailto:training@tuflow.com training@tuflow.com]</u>. <br>
:*Alternatively, see the <u>[[TUFLOW_Example_Models#Example_Model_Catalogue | TUFLOW Example Models]]</u> to explore the full list of TUFLOW features.
<br>
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