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Forum: OpenFOAM Programming & Development November 1, 2011, 19:11
Replies: 41
Views: 17,787
Posted By Saxwax
Cameosas, Are the zero values for mut and y...

Cameosas,

Are the zero values for mut and y in the same cells (or all the cells)? If so I would guess that the mutkWallFunction uses y to calculate the mut value. You could check this by looking...
Forum: OpenFOAM Programming & Development October 24, 2011, 23:50
Replies: 41
Views: 17,787
Posted By Saxwax
Nut?

Cameosas,

The way I see it, based on the equation used to calculate the cell y+ value in the yPlus utility there are three possible reasons why a value of exactly zero would be output:

1) y =...
Forum: OpenFOAM Programming & Development October 18, 2011, 19:53
Replies: 41
Views: 17,787
Posted By Saxwax
y+ = y*

Hi Cameosas,

Glad to hear that the file compiled, not sure about the 0 for fully resolved boundary layers. It is possible that I used the old version of Niklas' yPlus utility. Have you checked...
Forum: OpenFOAM Programming & Development October 17, 2011, 00:36
Replies: 41
Views: 17,787
Posted By Saxwax
yPlus code change for OF 2.0.*

To compile the yPlus code for OF 2.0.* requires a few small changes:

There are multiple nutWallFunctions available in 2.0.* - the RASModels.C file utilises nutkWallFunction in the y+ (Yp) function...
Forum: OpenFOAM Programming & Development October 13, 2011, 21:07
Replies: 41
Views: 17,787
Posted By Saxwax
First Cell Normal Distance

Hi José,

I'm not sure if you are still interested in this thread but I thought I might just post this up anyway. I've attached a sketch that (hopefully) shows how the first cell centre normal...
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