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Forum: OpenFOAM Bugs

March 19, 2008, 13:01

Replies: 62

Error in channelOodles tutorial

Views: 10,534

Posted By kumar2

Hi Niels, Thanks again for

Hi Niels,

Thanks again for your valuable comments. Like you have suggested i am going to rerun at Rn=13000.

To add a picture. at the end of your post type

(backwardSlash)image{Text...

Forum: OpenFOAM Bugs

March 18, 2008, 23:25

Replies: 62

Error in channelOodles tutorial

Views: 10,534

Posted By kumar2

Hi Neils, Thanks a lot for

Hi Neils,

Thanks a lot for your valuable comments. In OpenFoam the Smagorinsky coefficient, Cs is calculated from coefficients ck and ce as Cs=sqrt(ck*sqrt(ck/ce)). In the channelOodles tutorial...

Forum: OpenFOAM Bugs

March 11, 2008, 16:18

Replies: 62

Error in channelOodles tutorial

Views: 10,534

Posted By kumar2

Hi Neils, Thanks a lot for

Hi Neils,

Thanks a lot for your suggestion. i am indeed going to grab the van driest profile and fit my data and compare.

But what concerns me is why my results are different from that in...

Forum: OpenFOAM Bugs

March 11, 2008, 00:54

Replies: 62

Error in channelOodles tutorial

Views: 10,534

Posted By kumar2

Dear Friends, I have been t

Dear Friends,

I have been trying to repeat the flow in a channel, as detailed in the publication 'Large Eddy Simulation of Turbulent Channel Flows' . I have followed the same approaches...

Forum: OpenFOAM Bugs

March 6, 2008, 16:02

Replies: 62

Error in channelOodles tutorial

Views: 10,534

Posted By kumar2

Hi Hadi, When you used the

Hi Hadi,

When you used the Crank nicholson scheme, were you able to run your computations with

ddt(U) CrankNicholson 1; or did you use a smaller fraction such as 0.5 or 0.75. When i run...

Forum: OpenFOAM Bugs

March 6, 2008, 00:24

Replies: 62

Error in channelOodles tutorial

Views: 10,534

Posted By kumar2

Hi Hadi, What delta did you

Hi Hadi,

What delta did you use while running channelOodles with Smagorinsky model ? was it a cubeRootDelta . I am refering to your post and figure dated -Monday, October 22, 2007 - 03:09 am. ...

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