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Search: Posts Made By: NickG
Forum: OpenFOAM Running, Solving & CFD June 10, 2010, 12:01
Replies: 25
Views: 18,720
Posted By NickG
I would think so. There's another thread...

I would think so. There's another thread mentioned above in post #12 that you may want to check out.
Forum: OpenFOAM Running, Solving & CFD June 9, 2010, 06:18
Replies: 25
Views: 18,720
Posted By NickG
Hi again Axel Just realised that your...

Hi again Axel

Just realised that your equation and mine are the same (provided you meant Cmu)

N
Forum: OpenFOAM Running, Solving & CFD June 9, 2010, 06:15
Replies: 25
Views: 18,720
Posted By NickG
Hi Axel What version of OF and which solver...

Hi Axel

What version of OF and which solver are you using?
I've been using omega = (Cmu ^ -0.25)(k^0.5)/L
where L is the characteristic length, as an internal field for all except for the inlet...
Forum: OpenFOAM Running, Solving & CFD May 8, 2010, 02:30
Replies: 25
Views: 18,720
Posted By NickG
Thanks for that Christian, unfortunately with...

Thanks for that Christian, unfortunately with OF-1.5-dev it doesn't seem to be as simple as specifying a wall function as a boundary condition, but I think I need to go with the low-Re method anyway....
Forum: OpenFOAM Running, Solving & CFD May 7, 2010, 10:25
Replies: 25
Views: 18,720
Posted By NickG
Thanks Christoph I am currently using a...

Thanks Christoph

I am currently using a low-Re model. Ideally though, I wanted to use the wall function rather than a low-Re model as my simulations already take several days just in 2D due to the...
Forum: OpenFOAM Running, Solving & CFD May 7, 2010, 08:13
Replies: 25
Views: 18,720
Posted By NickG
Hi again I realised that I'm using a...

Hi again

I realised that I'm using a different version to you. Do you know how to implement the wall functions in 1.5-dev as I want to use TurbDyMFoam which is becoming difficult to compile in...
Forum: OpenFOAM Running, Solving & CFD May 6, 2010, 13:18
Replies: 25
Views: 18,720
Posted By NickG
Me again! When you set k=0 do you mean as a...

Me again!

When you set k=0 do you mean as a fixedValue not zeroGradient?

Cheers
Forum: OpenFOAM Running, Solving & CFD May 6, 2010, 12:57
Replies: 25
Views: 18,720
Posted By NickG
@cboss Hi - Did you do a study of the...

@cboss

Hi - Did you do a study of the various y+ values with your new method vis.:



Part of the problem I have is that I want 10 nodes inside the boundary layer as recommended in the CFX SST...
Forum: OpenFOAM Running, Solving & CFD May 6, 2010, 12:00
Replies: 25
Views: 18,720
Posted By NickG
Just wanted to say thanks for the post. Really...

Just wanted to say thanks for the post. Really Helpful.
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