SWMM - Curves - Rating Curves

Describes the flow variation as a function of elevation in SWMM Outlet

It is assigned to a Orifice of the SWMM when the Constructor (gravity linear) of device associates this to tool Orifice

Can also be assigned to Orifice with a control rule

A discharge curve has the following properties:

• Identification
  • Description (Description, String) - Use a user-friendly description when the item name is not sufficient
  • Name (Name, String) - item name
    Avoid very long names or names containing the following characters: '*', '>', '<', '/', '\', '"', ':', ';', '|', '=', '`', '#', ',', '?'
• Object
  • Priority (Priority, Enum) - Information regarding the item's current status. Can be:
    • Neutral: no issues
    • Critical: A problem preventing the calculation or use of the item
  • Error Evaluation (CurveError, Enum) Result of the data evaluation
  • Curve Data (CurveData, IListClonavel) - the curve data, with the columns:
    • Head (X, Double) - water elevation at the weir
    • Flow Rate (Y, Double) - the flowing discharge

The data is populated in the table and plotted on the graph for better visualization:

Elevations must be in ascending order and not repeating and cannot be negative, otherwise the Priority property will be Critical