EPA SWMM to TUFLOW: Difference between revisions
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=== Limitations ===
* SWMM open channel geometry may include both the channel and adjacent floodplain within the cross-section information. If the intention is to link the 1D to TUFLOW 2D, with 2D representing the floodplain, manual update of the cross-section information to limit the extent of the open channel section will be needed. The cross-section extent is displayed spatially in the GIS cross-section output. Edit the associated csv out file to modify the cross-section properties used in the modelling.
* SWMM includes a larger range of inbuilt culvert geometry types than TUFLOW 1D. TUFLOW 1D primarily supports Circular (C) and Rectangular (R) as hardcoded culvert / pipe geometries. All others SWMM culvert types are converted to TUFLOW 1D Irregular (I) culverts, with an associated Height vs Width 1D cross-section to define the culvert geometry.
* SWMM includes a variety of inbuilt pipe network inlet geometries. This information is not processed by the utility. It is the modellers responsibility to manually create depth / flow relationship information for the pit inlet database if using TUFLOW 1D. If you wish to use the inbuilt SWMM pipe network inlet geometries directly, please use direct coupling of SWMM with TUFLOW. Refer to <u>[[TUFLOW_SWMM_Tutorial_Introduction | TUFLOW SWMM Tutorial Module 2 and 3]]</u>
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