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Forum: OpenFOAM

September 7, 2010, 16:01

Replies: 10

Please explain steady turbulence for simpleFoam

Views: 5,301

Posted By mdjames

The flow will be steady-state when the mean flow...

The flow will be steady-state when the mean flow stops developing. The fluctuations(turbulence) are kind of superimposed on the steady state flow.

Think of a river. If you had to describe the...

Forum: OpenFOAM

September 2, 2010, 11:56

Replies: 10

Please explain steady turbulence for simpleFoam

Views: 5,301

Posted By mdjames

is your flow oscillatory or time-independent as t...

is your flow oscillatory or time-independent as t -> Infinity? Also, is there an analytical solution?

Just a thought, you might get some more help from the General CFD forum as I'm not sure if...

Forum: OpenFOAM

September 1, 2010, 14:36

Replies: 10

Please explain steady turbulence for simpleFoam

Views: 5,301

Posted By mdjames

I would say the steady-state refers to a mean,...

I would say the steady-state refers to a mean, fully developed flowfield. While a pipe flow may be turbulent, you can expect it to reach a state where the mean flow profile doesn't change with time....

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