Prevent Recirculation or Backflow near Outlets

If you observe reverse flow or large recirculation regions near an outlet, you can extrude the outlet face to allow the flow reversal to be contained before reaching the outlet boundary.
  1. Click the Geometry tab on the main ribbon.
  2. In the modeling window, double-click the outlet you would like to extrude.
    Note: You can also use the Extrude tool on the Geometry ribbon for more complex extrude options. Refer to Extrude for instructions.
  3. Use the white arrows to adjust.
  4. Right-click and mouse through the check mark to exit, or double-right-click.