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Forum: OpenFOAM November 28, 2013, 00:53
Replies: 29
Views: 13,242
Posted By skeptik
About a case

Really, i haven't understood your case.
But i have something to say about case settings.

1. You chose steady-state simulation. Do you know that in this case you get only rough solution?

try...
Forum: OpenFOAM November 8, 2013, 00:13
Replies: 29
Views: 13,242
Posted By skeptik
Another pic about RSM

Here you can see differences.
Vortexes are little bit bigger and have little bit higher frequency. But not so high as in experimental case.

26684
Forum: OpenFOAM November 8, 2013, 00:08
Replies: 29
Views: 13,242
Posted By skeptik
Hi Jason, About my case. The velosity...

Hi Jason,

About my case. The velosity profile was not correct. But at least RSM results were better than k-eps. Sorry, I can't remember what was right and what was wrong exactly.

My cyclone was...
Forum: OpenFOAM October 15, 2013, 01:42
Replies: 29
Views: 13,242
Posted By skeptik
As i know, it's a common problem of the...

As i know, it's a common problem of the RSM-models.
But, possibly, bad convergence and non-physically solutions were reasoned by wrong boundary conditions. What is your case? Can you publish it?
Forum: OpenFOAM October 12, 2013, 17:21
Replies: 29
Views: 13,242
Posted By skeptik
Here you can download cyclone- testcase...

Here you can download cyclone- testcase (https://www.dropbox.com/s/obbnkwcrvfi11f0/LRRmod.zip)
Forum: OpenFOAM October 8, 2013, 02:36
Replies: 29
Views: 13,242
Posted By skeptik
Lrr

I used to LRR in cyclone, so it had showed better results than k-eps both k-omega models.

I think it's a good model for special cases.
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