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Forum: OpenFOAM Pre-Processing

July 4, 2013, 12:09

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

I've found that one in the forum: ...

I've found that one in the forum:

http://www.cfd-online.com/Forums/openfoam/86562-y-u-values-low-re-rans-turbulence-models-utility-testcase.html

compilation of 'yPlus220' :

yPlus.C:36:63:...

Forum: OpenFOAM Pre-Processing

July 4, 2013, 11:39

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

:eek::):p --> yPlus220 The other one...

:eek::):p

--> yPlus220
The other one (plusPostRANS) is from another one.

Forum: OpenFOAM Pre-Processing

July 4, 2013, 11:34

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

oha

:o, not the one you've sent me :confused:

Forum: OpenFOAM Pre-Processing

July 4, 2013, 11:15

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

plusPostRANS

Made a stupid mistake. Instead of 'plusPostRANS' I've started 'YplusRAS'. Now I've tried to use 'plusPostRANS', but the compiler reported an error message:

plusPostRANS.C:96:40: error: ‘class...

Forum: OpenFOAM Pre-Processing

July 4, 2013, 10:18

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

I try desperately to simulate convection rolls in...

I try desperately to simulate convection rolls in the canal (--> small T changes in the fluid). The canals height is very small compared to its lengths and width. Therefore I've decided to finally...

Forum: OpenFOAM Pre-Processing

July 4, 2013, 09:27

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

lot of time - Low Re Models

Hallo Ehsan,

what do you understand by 'consumes a lot of time'. Could you give an example?
Maybe some simple geometry, # of cells --> time? (in case we use a low Re model)

Lisa

Forum: OpenFOAM Pre-Processing

June 26, 2013, 14:53

Replies: 16

defining of turbulence coefficient boundary condition on the wall

Views: 2,263

Posted By aylalisa

low-Re models

Hi Ehsan,

experimental setup: flow channel
fluid: water
L_{total}= 3,1m (0m-1m) (x-axis)
\DeltaL_1 = 1,0m (developing part of canal)
\DeltaL_2 = 1,5m (heating from bottom)
\DeltaL_3 = = 0,6m...

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