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Forum: OpenFOAM Bugs October 26, 2007, 04:01
Replies: 62
Views: 10,537
Posted By henry
utau=sqrt(gradp*delta/rho) sho

utau=sqrt(gradp*delta/rho) should be appropriate for channel-flow irrespective of the model used and is the way we calculated utau in the TSF11 paper.
Forum: OpenFOAM Bugs October 23, 2007, 11:59
Replies: 62
Views: 10,537
Posted By henry
The bug is in the backward dd

The bug is in the backward ddt scheme in version 1.4 and the fix has been posted on this bugs list and also fixed in 1.4.1 so the easiest thing for you to do would be to upgrade.
Forum: OpenFOAM Bugs October 23, 2007, 11:00
Replies: 62
Views: 10,537
Posted By henry
I not you are using the backwa

I not you are using the backward ddt scheme in version 1.4, have you applied the bug-fix posted on this bugs list? If not I suggest you use the Crank-Nicholson scheme, apply the fix or better still...
Forum: OpenFOAM Bugs October 23, 2007, 05:10
Replies: 62
Views: 10,537
Posted By henry
How are you calculating u_tau?

How are you calculating u_tau?
Forum: OpenFOAM Bugs October 23, 2007, 04:44
Replies: 62
Views: 10,537
Posted By henry
In the publications we have pr

In the publications we have produced on the subject, e.g. "Large-eddy Simulation of Turbulent Channel Flows" in Turbulent Shear Flows 11, we normalized with u_tau to be consistent with the DNS data...
Forum: OpenFOAM Bugs October 22, 2007, 13:37
Replies: 62
Views: 10,537
Posted By henry
Are you running with the Crank

Are you running with the Crank-Nicholson ddt scheme?
Forum: OpenFOAM Bugs June 7, 2007, 05:48
Replies: 62
Views: 10,537
Posted By henry
In OpenFOAM-1.4/applications/u

In OpenFOAM-1.4/applications/utilities/postProcessing/miscellaneous/postChannel/readFields.H

replace tensor:: with symmTensor:: and recompile postChannel. This is the corrected version:

...
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