Vents are tiny channels at the end of the flow path that allow air and/or polymer to escape the cavity during a Gas-assisted Fill+Pack analysis.
The Gas-assisted Fill+Pack analysis program allows you to specify venting locations at the end of the gas channel. Venting locations can only be assigned to overflow wells, and are saved as boundary conditions to define the overflow well as having an infinite volume.
To define an overflow well as having an infinite volume, a venting location must be assigned to the end node on the overflow well.