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Forum: CFX June 20, 2013, 18:40
Replies: 8
Views: 2,116
Posted By ghorrocks
In some cases you will get higher diffusion in...

In some cases you will get higher diffusion in tet grids compared to hex, but CFX has done a pretty good job of making the diffusion on an equal quality hex and tet grid reasonably similar.

Other...
Forum: CFX June 20, 2013, 06:35
Replies: 8
Views: 2,116
Posted By ghorrocks
If your mesh is too coarse for an accurate...

If your mesh is too coarse for an accurate solution then you will get inaccurate answers. You do not learn much by comparing two inaccurate solutions. To compare hex versus tet properly you have to...
Forum: CFX June 19, 2013, 19:03
Replies: 8
Views: 2,116
Posted By ghorrocks
Yes, the turbulent schmidt number is constant. It...

Yes, the turbulent schmidt number is constant. It can be changed, but it must be a constant value for a simulation (no time or space variations) - at least as far as I can recall.

Unless you are...
Forum: CFX May 21, 2012, 18:37
Replies: 8
Views: 2,116
Posted By ghorrocks
It will be in there somewhere as it is a...

It will be in there somewhere as it is a fundamental constant for the turbulence model. But I have no idea where for old versions of CFX. You really should upgrade to the current version.
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