April 20, 2018 at 10:15 am
April 20, 2018 at 5:05 pmraul.raghavSubscriber
If you look into the data you have, the Sand Grain Roughness can easily be defined as a numerical value (either 0.05 or 0 [m]).
So the data you have essentially provides you the information of sand grain roughness in Z = 0 [m] and Z = 1 [m] planes. At Z = 0 [m] plane, the roughness is 0.05 [m]; and at Z = 1 [m] plane, the roughness is 0 [m]. So you can define two sets of walls: (1) Rough walls and (2) Smooth walls.
The data doesn't provide you any information about the top and bottom planes. You might want to see what the value of roughness at those planes would be and define it simply as a single numerical value. Hope this helps!
May 24, 2018 at 7:04 pmjoachimochsSubscriber
I found a Solution. It still don´t work in CFX but in Ansys Fluent the Profile works fine.
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