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Showing results 1 to 18 of 18 Search took 0.00 seconds. Search: Posts Made By: henry

Forum: OpenFOAM Bugs July 6, 2010, 04:34

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry nutLowReWallFunction is for low-Re models,... nutLowReWallFunction is for low-Re models, k-Omega SST isn't. You need the continuous wall-function currently called nutSpalartAllmarasWallFunction, see previous posts. H

Forum: OpenFOAM Bugs July 5, 2010, 09:53

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry nutLowReWallFunction is to be used with low-Re... nutLowReWallFunction is to be used with low-Re models on walls for which y+>1. H

Forum: OpenFOAM Bugs July 5, 2010, 09:12

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry If your near-wall y+<1 everywhere you can use a... If your near-wall y+<1 everywhere you can use a low-Re model; you don't need wall-functions at all. H

Forum: OpenFOAM Bugs July 3, 2010, 18:18

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry nutSpalartAllmarasWallFunction has not been... nutSpalartAllmarasWallFunction has not been renamed yet but it will be. For this release we decided to maintain backward-compatibility with 1.6.x on this and a few other issues. > New...

Forum: OpenFOAM Bugs January 29, 2010, 07:38

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry Actually the... Actually the "nutSpalartAllmarasWallFunction"-wall function is generic and obtains the details of the boundary layer from the velocity field rather than k and hence can be used with any of the...

Forum: OpenFOAM Bugs January 28, 2010, 17:24

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry Which tutorials use "calculated" for the wall BC... Which tutorials use "calculated" for the wall BC of k and epsilon? This would neither be correct nor would the code run. H

Forum: OpenFOAM Bugs December 14, 2009, 03:32

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry It's not normally a big issue because such cells... It's not normally a big issue because such cells are usually in corners in which case simple boundary-layer modeling is not strictly applicable and the flow may be complex or stagnant and often...

Forum: OpenFOAM Bugs December 12, 2009, 06:37

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry > Do you have pushed in the 1.6.x version? ... > Do you have pushed in the 1.6.x version? Yes, Andy pushed it into OpenFOAM-1.6.x yesterday. > And, do you suggest to use it in conjunction with the nutSpalartAllmarasWallFunction in order to...

Forum: OpenFOAM Bugs December 11, 2009, 17:35

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry We have just pushed an enhancement to the... We have just pushed an enhancement to the omegaWallFunction which now includes both the laminar and log-law components blended as Menter et. al. specify: Description Provides a wall function...

Forum: OpenFOAM Bugs December 10, 2009, 09:43

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry We used omegaWallFunction for omega. H We used omegaWallFunction for omega. H

Forum: OpenFOAM Bugs December 8, 2009, 11:07

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry I am referring to nutSpalartAllmarasWallFunction... I am referring to nutSpalartAllmarasWallFunction for incompressible flow and mutSpalartAllmarasWallFunction for compressible flow. Even though these were created for use with the Spalart-Allmaras...

Forum: OpenFOAM Bugs November 14, 2009, 14:25

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry The k-omega-SST model we currently release is... The k-omega-SST model we currently release is based on a blend of the high-Re k-epsilon and k-omega models, not the low Re k-omega model. With an adaptive/continuous wall-function you can use this...

Forum: OpenFOAM Bugs November 14, 2009, 05:19

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry The k-omega-SST model I implemented is the... The k-omega-SST model I implemented is the high-Re form to be used with the standard, continuous/adaptive or rough wall-functions supplied. However it would be quite easy to implement the low-Re...

Forum: OpenFOAM Bugs September 24, 2007, 12:03

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry It is not a mistake, the model It is not a mistake, the model has evolved over the years particularly in this term. I assure your that what I have implemented is what is in the paper I refer to in the header. I cannot say if...

Forum: OpenFOAM Bugs September 24, 2007, 08:56

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry The value of a1 in the papers The value of a1 in the papers I have is also 0.31. I don't know at what point Menter added the sqrt(2) prefactor I haven't seen it in any of the published papers on the k-Omega model I have but I...

Forum: OpenFOAM Bugs September 24, 2007, 06:51

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry All the k-Omega papers I have All the k-Omega papers I have give this term without the sqrt(2) but then it could easily be contained in a1. What value is proposed for a1 in CFX-VAL10/0602 and does it differ from the value...

Forum: OpenFOAM Bugs August 31, 2007, 10:18

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry Here is a corrected version of Here is a corrected version of kOmegaSST.C http://www.cfd-online.com/OpenFOAM_Discus/icons/attachment_icon.gif kOmegaSST.C...

Forum: OpenFOAM Bugs August 30, 2007, 06:17

Replies: 78 Compressible kOmegaSST Views: 56,940 Posted By henry Yes your are correct, I implem Yes your are correct, I implemented the model just before release and didn't have time to test it. I will check it through again, test it and post a corrected version next week sometime.

Showing results 1 to 18 of 18

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