Bentley SewerGEMS considers the following inlet hydraulic principles:

• "HEC-22 Inlet Capacity Calculations"
• "Flows in Gutters on Grade"
• "Flow in Ditch or Median Section on Grade"
• "Inlet Openings"
• "Grate Inlet on Grade"
• "Curb Inlet on Grade"
• "Slot Inlet on Grade"
• "Combination Inlet on Grade"
• "Grate Inlet in Sag"
• "Curb Inlet in Sag"
• "Slot Inlet in Sag"
• "Combination Inlet in Sag"
• "Location of Flows"