Inlet
Use the Inlet node to define an edge or point where fluid enters the gap.
Inlet Settings
Select an Inlet condition — Zero pressure (the default), Pressure, or Normal inflow velocity.
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For Zero pressure pf = 0 applies on the boundary, edge, or point.
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For Pressure enter a Pressure pf0 (SI unit: Pa) to impose pf = pf0 on the boundary, edge, or point. The default is 0 Pa. If the reference pressure pref, defined at the physics interface level is 0, pf0 is the absolute pressure. Otherwise, pf0 is the relative pressure.
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For Normal inflow velocity enter a Normal inflow velocity U0 (SI unit: m/s). The default is 0 m/s.