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Forum: OpenFOAM Running, Solving & CFD

March 25, 2014, 20:21

Replies: 41

Everything you need to compute DNS in channel vs OF 2.1.0

Views: 11,994

Posted By huangxianbei

Hi: I use the perturbU to make a initial field,...

Hi:
I use the perturbU to make a initial field, setting the maximum streak to be at y+=12 by modifying the perturbU.C. However, the solution takes long time to reach a perhaps fully developed flow...

Forum: OpenFOAM Running, Solving & CFD

March 6, 2014, 21:27

Replies: 41

Everything you need to compute DNS in channel vs OF 2.1.0

Views: 11,994

Posted By huangxianbei

Hi,lev: Another question(probably very simple)....

Hi,lev:
Another question(probably very simple). In the controlDict in your test case, the application name is solver_DNS, while the solver you defined is ico_DNS, is this should be "ico_DNS'...

Forum: OpenFOAM Running, Solving & CFD

March 3, 2014, 20:08

Replies: 41

Everything you need to compute DNS in channel vs OF 2.1.0

Views: 11,994

Posted By huangxianbei

Hi I just follow your idea of adding a source...

Hi
I just follow your idea of adding a source term representing the grad(p) in the UEqn, I made my domain as 12.56*2*6.28m in 3 orientation. The fluid is water whose nu =1e-6m2/s, the...

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