Flood Modeller Tutorial Module02: Difference between revisions
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* [[FM Tute M02_MI_Boundary_Conditions | MapInfo]]
* [[FM Tute M02_QGIS_Boundary_Conditions | QGIS]]
===Flood Modeller/ESTRY 1D/1D Link===
TUFLOW models can also be configured with Flood Modeller for dynamically linked 1D pipe network 2D overland flow modelling. The main driver for this feature is for Flood Modeller - TUFLOW models to utilise the powerful pipe network and manhole modelling capabilities of TUFLOW (see
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Flood Modeller and TUFLOW (ESTRY) nodes will be considered linked if:<br>
<ol>
<li> An ESTRY node in a 1d_nwk layer, and a Flood Modeller node in a Read GIS
<li> The ESTRY node has a 1d_nwk Conn_1D_2D attribute of either "X1DH" or "X1DQ".</li>
::(i) If Conn_1D_2D is blank then “X1DH” is assumed.
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<li>We will now add the commands to modify the topography to represent the proposed development. Add the following commands after the READ GIS Z Shape line:</li>
:<font color="blue"><tt>Create TIN Zpts WRITE TIN </tt></font><font color="red"><tt>==</tt></font> mi\
The <font color="blue"><tt>Create TIN Zpts Write TIN </tt></font> command creates and writes an SMS .tin file to the same location as the GIS layer (in this case the TUFLOW\model\mi folder). The TIN can be viewed, checked and modified in SMS. This can then be read into the model directly using the <font color="blue"><tt>Read TIN zpts</tt></font> command for any subsequent model simulations.
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Our intention for the 2d_mat layers created in this module is for them to build upon the existing commands which modify roughness. We would like for the new layers to overwrite the existing layers at the location of the proposed development. This process of layering and building up the model is a powerful tool in TUFLOW that minimises data duplication and provides a means of quality control. We need to ensure that the commands reading in our new 2d_mat layers are read in after the existing commands.
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:<font color="blue"><tt>Read GIS Mat</tt></font><font color="red"><tt>==</tt></font> mi\
:<font color="blue"><tt>Read GIS Mat</tt></font><font color="red"><tt>==</tt></font> mi\
'''QGIS or ArcGIS Users'''
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'''MapInfo Users'''<br>
<li> Add the following commands at the bottom of the file as follows:
:<font color="blue"><tt>Read GIS Network</tt></font> <font color="red"><tt>==</tt></font> mi\
:<font color="blue"><tt>Read GIS Network</tt></font> <font color="red"><tt>==</tt></font> mi\
:<font color="blue"><tt>Pit Inlet Database</tt></font> <font color="red"><tt>==</tt></font> ..\pit_dbase\pit_inlet_dbase.csv
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'''MapInfo Users'''<br>
<li>Insert the following commands after the existing <font color="blue"><tt>Read GIS SA</tt></font><font color="red"><tt> ==</tt></font> mi\
:<font color="blue"><tt>Read GIS SA PITS</tt></font><font color="red"><tt> ==</tt></font> mi\
'''QGIS or ArcGIS Users'''<br>
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==Flood Modeller Simulation Files==
<ol>
<li>Open the Flood Modeller Pro model as per [[Flood_Modeller_Tutorial_Module01
<li>In the 'Links' tab with the 2D scheme set as TUFLOW, change the full path of the 2D control file to the <b>FMT_M02_DEV_001.tcf</b> from the <b>\FMT_Tutorial\FMT_M02\TUFLOW\runs</b> folder
<li>Save the Scenario Data.</li></ol>
Use your preferred method to start the model <b>FMT_M02_001.ief</b> or follow the guidance in the [[Flood_Modeller_Tutorial_Module01
=Review Check Files=
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From the <b>TUFLOW\check\2d\</b> folder import (into MapInfo) or open (ArcMap and QGIS):
*FMT_M02_001_grd_check
The grd_check file contains information on all cells within the model extent, such as ZC elevation and the location of the cell in relation to the model origin. One of the attributes of this check layer is the Material ID assigned to each cell. A review of this check file is recommended particularly when using multiple GIS layers to define the roughness of a 2D domain. The file can be colour coded to provide a visual representation of the roughness assigned to the entire model extent by:
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[[File:M07 ccA Results.PNG|800px]]
=Conclusion=
We have added to the model a final proposed development scenario. Using the Create TIN Zpts command, we have altered the ground elevations to represent the development. We have also added a 1D pipe network which has been linked to the 2D domain as well as feeding flows in the 1-dimensional channel represented within Flood Modeller. A pit inlet database has been created to specify a depth-discharge relationship for flow into and out of the pits. This allows us to create a fully integrated urban drainage model comprises 1D representations of the pipe network and river system together with the 2D surface.<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>
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