How to model 2D infiltration in XPSWMM?

Define landuse

As shown below, we first need to define manning’s and infiltration as separate landuse entries in the global database.

Draw the polygons

There are 3 ways to get the manning’s n, and soil type polygons into XPSWMM.

  • draw the polygon directly inside XPSWMM
  • import from a shapefile
  • using the external references (another blog will cover the steps)

Default landuse

We’ll need to define a default landuse for the model. When soil infiltration is used, we should provide the default landuse with an infiltration type defined.

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