|August 14, 2012, 05:12||
Join Date: Aug 2012
Posts: 2Rep Power: 0
I am new to Ansys/CFD and have some questions about my convergence plot shown below.
For the beginning an ideal gas in a pipe was simulated with following parameters:
diameter: 0.1 cm
Inlet speed: 125m/s
relative pressure outlet: 0 Pa
Is my result already "okay"?
Do I have to improve any settings, for example mesh, to obatin better results?
Are more iterations steps necessary?
I know, that the pipe is too short to reach a fully developed flow profile. Does this affect my convergence?
Thanks in advace,
|August 14, 2012, 07:43||
Join Date: May 2011
Location: old europe
Posts: 84Rep Power: 7
But this is only a guess... I do not have much experience with turbulent flows. So you better wait for someone who is qulified to confirm this =)
|August 14, 2012, 07:49||
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 12,638Rep Power: 98
This FAQ describes some issues which cause CFD errors:
the following FAQ has a link to a very useful piece on CFD accuracy.
|August 14, 2012, 13:18||
Join Date: Jul 2009
Location: Portsmouth, England
Posts: 484Rep Power: 15
Just to add to that above. You should also check the various imbalance percentages at the end of the out file.
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