Identify one or more outlet surfaces and define the conditions.

  1. On the Fluids ribbon, select the Outlet tool.

    Tip: To find and open a tool, press Ctrl+F. For more information, see Find and Search for Tools.
  2. Select one or more surfaces as the outlets.
  3. In the microdialog, select and define the desired outlet condition. Choose between Gauge Pressure, Average Velocity, and Volumetric Flow Rate.
    Tip: Gauge pressure is defined relative to the atmospheric pressure. To set the outlet pressure equal to the atmospheric pressure, enter 0.