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Search: Posts Made By: hamed.majeed
Forum: CFX July 31, 2012, 14:55
Replies: 10
Views: 3,352
Posted By hamed.majeed
Conservative or hybrid values makes no...

Conservative or hybrid values makes no difference, also the difference between either using wall shear or 0.0000198 [Pa s] *Velocity u.Gradient Y is very large.
Forum: CFX July 31, 2012, 05:17
Replies: 10
Views: 3,352
Posted By hamed.majeed
I am using hybrid values.

I am using hybrid values.
Forum: CFX July 31, 2012, 01:56
Replies: 10
Views: 3,352
Posted By hamed.majeed
About the method 1, I suggested earlier, it is...

About the method 1, I suggested earlier, it is for a general case not immersed solid. I compared the value of wall shear with the general accepted definition, but the results differ!!
I mean Wall...
Forum: CFX July 31, 2012, 01:51
Replies: 10
Views: 3,352
Posted By hamed.majeed
By the factor do you mean the momentum source...

By the factor do you mean the momentum source scaling factor, well I have found out that momentum source scaling factor performs best for momentum source scaling factor of 100 or above. I did that...
Forum: CFX July 30, 2012, 23:23
Replies: 10
Views: 3,352
Posted By hamed.majeed
Thnx for the reply. I figured out two ways,...

Thnx for the reply.

I figured out two ways, actually the problem is with wall shear.

Method 1:
As wall shear stress is given by
http://s19.postimage.org/6ypmbgulf/Untitled28.png
Then in cfx...
Forum: CFX July 30, 2012, 09:09
Replies: 10
Views: 3,352
Posted By hamed.majeed
wall shear in immersed solid

Hi,

In immersed solid module of cfx, I need to find the wall shear; basically use it to find the skin friction coefficient cf
It seems that the immersed solid does not recognize wall shear.
I...
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