TUFLOW SWMM Tutorial M01 Results QGIS

SWMM.rpt Output

The SWMM simulation report can be opened using a text editor to review the 1D SWMM model result summary and simulation health.

1. In Windows File Explorer, navigate to the TUFLOW\results folder and open TS01_5m_001_swmm.rpt in Notepad++.
2. Review the result summary for information such as:

   • Continuity Error (%) .....: The target value for this metric is less than +-1%
   • Various Node Result Summary Reports
   • Various Link / Conduit Result Summary Reports

   
   
   
   

QGIS Result Viewing

1. Open TUFLOW Viewer from the TUFLOW Plugin toolbar.
   
   
   
   
2. Open the simulation results. There are two options available:

   • Open 1D and 2D results: Select File > 'Load Results'. Navigate to the TUFLOW\runs folder and select TS01_5m_001.tcf.
   • Open 1D (no 2D results): Select File > 'Load Results - Time Series'. Navigate to the TUFLOW\results folder and select TS01_5m_001_swmm_ts.gpkg.

3. The video example below opens the 1D and 2D results, using the first of the above options. When asked 'Do you want to open result GIS layer?', select 'Yes'. Five new files will load to the QGIS Layers Panel:

   • TS01_5m_001_swmm_ts_P: 1D SWMM Node and outlet water level results
   • TS01_5m_001_swmm_ts_L: 1D SWMM conduit flow results
   • TS01_5m_001_PLOT_P: 1D ESTRY and 2D plot output water level and velocity results (Note: There are no ESTRY results from this simulation)
   • TS01_5m_001_PLOT_L: 1D ESTRY and 2D plot output flow results (Note: There are no ESTRY results from this simulation)
   • TS01_5m_001: 2D TUFLOW results

   
   
   
   
4. In the QGIS Layers Panel, select (left click) TS01_5m_001 to establish it as the active dataset. Click on a scalar dataset 'Depth' under the Result Type in the TUFLOW Viewer 'Map Outputs' list. Move the time slider to observe how the results vary at different times during the simulation.
   Note: The styling of the Map Outputs can be changed by right clicking on each result dataset and editing the 'Properties'.
   
   
   
   
5. In the QGIS Layers Panel, right click TS01_5m_001_swmm_ts_L and select 'Zoom to Layer(s)'.
6. Right click TS01_5m_001_swmm_ts_L again, and select 'Show Labels'.
7. Use the 'Select Features' tool to highlight all items included in TS01_5m_001_swmm_ts_L.
8. Click on the 'Flow' dataset under the Result Type in the TUFLOW Viewer 'Time Series' list.
9. Tick on 'Show Current Time'.
   
   
   
   

   Notice the minor instability associated with the flows through culvert FC04.1_C? The following section, TUFLOW SWMM Tutorial 01 Check Files, will discuss options to stabilize the flow.

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