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Search: Posts Made By: flotus1
Forum: FLUENT March 27, 2013, 12:51
Replies: 50
Views: 32,103
Posted By flotus1
Maybe you answered the question yourself. The...

Maybe you answered the question yourself. The backflow entering from the outlet is causing a disturbance of the flow upstream.
Have a closer look at the region where backflow occurs and consider...
Forum: FLUENT March 26, 2013, 08:14
Replies: 50
Views: 32,103
Posted By flotus1
Double precision usually is only necessary if...

Double precision usually is only necessary if there are cells with really high aspect ratio in the boundary layer to achieve Yplus<1.
In most cases, the other errors in the simulation are several...
Forum: FLUENT March 26, 2013, 08:05
Replies: 50
Views: 32,103
Posted By flotus1
This clearly indicates that you need more RAM....

This clearly indicates that you need more RAM. Are you running the case in double precision? If this is not necessay, switch to single precision.
Forum: FLUENT March 26, 2013, 07:31
Replies: 50
Views: 32,103
Posted By flotus1
30 minutes for one iteration sounds like the...

30 minutes for one iteration sounds like the simulation is running out of core.
Check the RAM usage while running the case.
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