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Forum: FLUENT

April 19, 2023, 19:23

Replies: 13

Pressure far field or Pressure outlet

Views: 2,854

Posted By LuckyTran

For pressure outlets (and inlets also) you are...

For pressure outlets (and inlets also) you are specifying p=whatever is your condition. p' does not need any specification because the properties of the gases on the boundary + the specification of g...

Forum: FLUENT

March 20, 2023, 21:19

Replies: 13

Pressure far field or Pressure outlet

Views: 2,854

Posted By LuckyTran

It's supersonic, which means the flow is moving...

It's supersonic, which means the flow is moving faster than the downstream information can propagate upstream. Pressure disturbances travel at the sound speed.

Forum: FLUENT

March 20, 2023, 02:31

Replies: 13

Pressure far field or Pressure outlet

Views: 2,854

Posted By LuckyTran

For supersonic problems you don't need to provide...

For supersonic problems you don't need to provide anything at an outlet. For subsonic problems you need to supply a downstream static pressure condition, hence almost always it is a pressure outlet....

Forum: FLUENT

March 17, 2023, 21:31

Replies: 13

Pressure far field or Pressure outlet

Views: 2,854

Posted By LuckyTran

Pressure outlet applies a static pressure at the...

Pressure outlet applies a static pressure at the outlet boundary.

Pressure far field is meant to be used as an inlet boundary condition. It is almost never appropriate to use a far field as an...

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