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Old   June 1, 2015, 02:42
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i am doing fluent tutorials and came across the word called backflow
in tutorial it is mention like

"ANSYS FLUENT will use the backflow conditions only if the fluid is
flowing into the computational domain through the outlet. Since backflow
might occur at some point during the solution procedure, you should set
reasonable backflow conditions to prevent convergence from being adversely
affected."
can anyone explain this
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