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Zaktatir September 21, 2010 07:11

Turbulence Numerics
 
Hello everyone,
Can anyone explain for me the Turbulence Numerics High Resolution Scheme.
thx

ghorrocks September 21, 2010 18:21

By default CFX uses upwinding for the spatial differencing in the turbulence equations. The HR scheme uses a second order scheme and is potentially more accurate, but harder to converge.

pavitran September 22, 2010 22:35

Hi
 
It is not always second order as it depends on the local solution field, it reduces to first order near discontinuities.

ghorrocks September 23, 2010 02:37

Very good, just checking somebody was paying attention :)

Zaktatir September 24, 2010 02:41

So, i started another case and unfortunately it is not the problem related to numeric. I think something goes wrong the partitioning of the mesh with few than 10 K cells.

tests are carried out...


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