The simulation’s general settings can be accessed through the main menu. Analysis > Time Simulation > SWMM > General Settings
Process:
Toggle if the process should be taken into account during the analysis.
Routing:
Define the analysis engine that should be used during the simulation.
Infiltration:
Define the infiltration method that should be used during the simulation. This is currently limited to Green Ampt.
Misc:
Define if ponding may be allowed and the minimum slope that will be used if conduits slopes are flat.