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Search: Posts Made By: amin.z
Forum: FLUENT August 17, 2014, 04:54
Replies: 9
Views: 2,265
Posted By amin.z
Hey What is the solution residuals? Supersonic...

Hey
What is the solution residuals? Supersonic flows usually need at least 1e-7 for convergence!
And do you increase courant number and under relaxation factors after solution convergence with...
Forum: FLUENT August 12, 2014, 14:46
Replies: 9
Views: 2,265
Posted By amin.z
I don't understand your meaning dear! Are...

I don't understand your meaning dear!

Are your sure quality of your grid is ok and it's enough fine...!? It can be reason of divergence!
Also you must ensure that your initalization be close to...
Forum: FLUENT August 12, 2014, 11:34
Replies: 9
Views: 2,265
Posted By amin.z
For a supersonic flow is better to use "pressure...

For a supersonic flow is better to use "pressure inlet" or "mass flow inlet" for inlet faces and "pressure outlet" and "pressure far field" for outlet faces!
When you using "pressure far field",...
Forum: FLUENT August 12, 2014, 10:25
Replies: 9
Views: 2,265
Posted By amin.z
Hey! Outflow boundary condition is a special...

Hey!
Outflow boundary condition is a special model!
It can not be used for compressible flow and you know every supersonic flow is compressible!
It can not be used with pressure inlet boundary...
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