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Showing results 1 to 3 of 3 Search took 0.00 seconds. Search: Posts Made By: florian_krause

Forum: OpenFOAM Running, Solving & CFD April 4, 2012, 03:37

Replies: 68 LES turbulent pipe flow Views: 30,811 Posted By florian_krause I have never used these utilities, so I cannot... I have never used these utilities, so I cannot help you with that. I created my pipe grids in a different grid generator calculating the thickness of the viscous sublayer as y_{visc. sublayer} =...

Forum: OpenFOAM Running, Solving & CFD March 29, 2012, 08:09

Replies: 68 LES turbulent pipe flow Views: 30,811 Posted By florian_krause Well, if y+=70 at the wall is not a typo, then... Well, if y+=70 at the wall is not a typo, then for a LES it is far too large. You have to resolve the flow near the wall, so you should have at least 3 cells within the viscous sublayer (y+...

Forum: OpenFOAM Running, Solving & CFD March 29, 2012, 07:11

Replies: 68 LES turbulent pipe flow Views: 30,811 Posted By florian_krause I would say, if after 70 flow cycles your... I would say, if after 70 flow cycles your perturbed laminar flow field is not becoming turbulent there is something going wrong... did you check how your perturbations (the imposed low-speed streaks...

Showing results 1 to 3 of 3

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