CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums

Search Results

Register Blogs Members List Search Today's Posts Mark Forums Read

Showing results 1 to 5 of 5
Search took 0.00 seconds.
Search: Posts Made By: oj.bulmer
Forum: CFX May 2, 2013, 12:55
Replies: 33
Views: 7,414
Posted By oj.bulmer
I think RSM is tuned to handle anisotropic...

I think RSM is tuned to handle anisotropic turbulence far better than SGS models. So if your grid is not small enough to capture the anisotropy-range lengthscales, they are passed on to SGS models...
Forum: CFX May 1, 2013, 13:03
Replies: 33
Views: 7,414
Posted By oj.bulmer
As Glenn suggests, the faster convergence is...

As Glenn suggests, the faster convergence is probably attributed to the numerical dissipation. LES can't be trusted unless you use adequate grid size and timescales, and the "mesh independence...
Forum: CFX April 20, 2013, 08:38
Replies: 33
Views: 7,414
Posted By oj.bulmer
The statistics you are providing indicates the...

The statistics you are providing indicates the mesh quality. But this won't help us identify if you reduce the mesh cell size, whether the results will change, ie, whether your solution is...
Forum: CFX April 20, 2013, 02:08
Replies: 33
Views: 7,414
Posted By oj.bulmer
Mesh quality is an indication of how...

Mesh quality is an indication of how proportionate individual cells of mesh are, but mesh density decides whether there are "enough" number of cells in the critical regions of high gradients, ie the...
Forum: CFX April 18, 2013, 11:11
Replies: 33
Views: 7,414
Posted By oj.bulmer
Why do I get a feeling that there is only one...

Why do I get a feeling that there is only one particle in your plots? Something doesn't seem right.

Are you sure about BCs, ie mass flow rate of fluid and the particles? In my experience, the...
Showing results 1 to 5 of 5

 
Forum Jump

All times are GMT -4. The time now is 09:17.