SMS:TUFLOW AD

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SMS 11.1 and later supports the TUFLOW Advection Dispersion (AD) module. This allows users to model constituents using TUFLOW.

Creating the Constituents

The constituent data is entered in the Model Control of the TUFLOW simulation. The Constituents tab allows the user to enter in the following parameters for each constituent:

  • Name
  • Decay rate (units of day^-1)
  • Settling rate (units of m/day)
  • Longitudinal Dispersion Coefficient
  • Transverse Dispersion Coefficient
  • Initial Condition – Specified Value or Polygon by Polygon value
  • Minimum Dispersion – Specified Value or Polygon by Polygon value

Boundary Conditions

For each boundary condition and constituent the user can provide a curve representing concentration at the boundary. This can be done by selecting the Advection Dispersion BC... button in the properties dialog for the arc or polygon.