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Search: Posts Made By: FMDenaro
Forum: Main CFD Forum August 21, 2019, 08:02
Replies: 10
Views: 1,015
Posted By FMDenaro
Without convergence there is no meaning in the...

Without convergence there is no meaning in the solution you get and the problems can be due to many reasons.



Have you tried first to check in a simpler controlled case problem, for example...
Forum: Main CFD Forum August 10, 2019, 19:28
Replies: 10
Views: 1,015
Posted By FMDenaro
Generally, if the physics you are simulating does...

Generally, if the physics you are simulating does not produce a vortical structure at the outlet, the first problem to check is for a wrong setting of the BCs.

Is your flow model fully...
Forum: Main CFD Forum August 10, 2019, 19:10
Replies: 10
Views: 1,015
Posted By FMDenaro
The real key of the question is if the backflow...

The real key of the question is if the backflow is a numerical issue or is due to vortical structures transported towards the outlet.
That strongly depends on the formulation, on the flow geometry...
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