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Search: Posts Made By: colinB
Forum: OpenFOAM Running, Solving & CFD July 10, 2012, 09:45
Replies: 8
Views: 1,723
Posted By colinB
Sorry for the late reply, but I'm afraid I...

Sorry for the late reply,
but I'm afraid I can't provide you the chapters mentioned.

regards
Colin
Forum: OpenFOAM Running, Solving & CFD June 29, 2012, 06:40
Replies: 8
Views: 1,723
Posted By colinB
Dear Mina_Shahi, I have to admit, that I...

Dear Mina_Shahi,

I have to admit, that I don't know what is happening below this value.
But you might want to have a look at Pope, Turbulent flows, he explained
in some separate chapters wall...
Forum: OpenFOAM Running, Solving & CFD June 21, 2012, 11:06
Replies: 8
Views: 1,723
Posted By colinB
concerning 3D: y+ is the non dimensionless...

concerning 3D:

y+ is the non dimensionless cell hight of the first cell normal to the wall.
So it doesn't care about 2 or 3D

concerning compressible flows:

I have to admit I haven't done...
Forum: OpenFOAM Running, Solving & CFD June 21, 2012, 06:41
Replies: 8
Views: 1,723
Posted By colinB
Hi there, the y+ value is not useless at...

Hi there,

the y+ value is not useless at all. However it is just an indication of your
mesh resolution close to walls.

For a DNS the y+ value should be 1.
But this kind of calculations take...
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