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Search: Posts Made By: LuckyTran
Forum: FLUENT August 3, 2021, 18:52
Replies: 14
Views: 7,523
Posted By LuckyTran
This isn't a problem that needs fixing. It was...

This isn't a problem that needs fixing. It was never a problem, only a user misunderstanding of how stuff works. A pressure outlet fixes the outlet pressure. Using the target mass flow option allows...
Forum: FLUENT May 7, 2012, 19:16
Replies: 14
Views: 7,523
Posted By LuckyTran
The numbers that your computer is cranking have...

The numbers that your computer is cranking have almost no meaning in the physical world. The flow does not know that it is compressible/incompressible. That is entirely up to your modelling. There's...
Forum: FLUENT May 7, 2012, 12:19
Replies: 14
Views: 7,523
Posted By LuckyTran
Your velocities are 0 everywhere. Did you perhaps...

Your velocities are 0 everywhere. Did you perhaps plot wall velocity?
Forum: FLUENT May 6, 2012, 21:50
Replies: 14
Views: 7,523
Posted By LuckyTran
The segregated pressure based solver is much more...

The segregated pressure based solver is much more stable than the coupled density based solver. It will not be as accurate for compressible flows as the density based solver but you can temporarily...
Forum: FLUENT May 6, 2012, 21:35
Replies: 14
Views: 7,523
Posted By LuckyTran
Are you using the pressure or density based...

Are you using the pressure or density based solver? Spatial discretization?

Try better initialization or reducing under-relaxation factors? If possible, you can try solving it using the pressure...
Forum: FLUENT May 6, 2012, 14:08
Replies: 14
Views: 7,523
Posted By LuckyTran
The pressure outlet boundary condition (with...

The pressure outlet boundary condition (with target mass flow) will iterate the pressure at the outlet until the desired mass flow rate is achieved. In other words, it is an iterated/variable...
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