View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0003443 | OpenFOAM | Bug | public | 2020-02-06 16:10 | 2020-02-07 16:16 |
| Reporter | bakonyi.dani | Assigned To | henry | ||
| Priority | normal | Severity | major | Reproducibility | always |
| Status | resolved | Resolution | fixed | ||
| Platform | Unix | OS | Ubuntu | OS Version | 18.04 |
| Summary | 0003443: nutkAtmRoughWallFunction not working properly in OpenFOAM 7 | ||||
| Description | I was trying to create a simple 2D case for an atmospheric boundary layer flow in OpenFOAM7 to check the consistency of the inlet and outlet profiles, but I had zero luck recreating anything I found in the literature (the outflow U, k, eps and nut all were very different). By elimination I finally found that the nutkAtmRoughWallFunction BC behaved strangely. It was totally unresponsive to any change of kappa or z0 inputs. I have read in the OpenFoam 7 release notes that the nutkRoughWallFunction code was updated, which made me suspicious and I quickly checked the case in OpenFOAM 6 as well. The problem went completely away, so it appears to be a bug in OpenFOAM 7 (maybe due to the changes made to nutkRoughWallFunction, but I don't have the skills jet to investigate any further). | ||||
| Steps To Reproduce | Simply run the case in OpenFOAM 6 vs. 7: https://bitbucket.org/BPPRepo/nutkatmroughwallfunction_test/src/master/ I used ParaView to visualize the profiles (the state is also included). | ||||
| Tags | No tags attached. | ||||
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Can you reproduce the problem in the tutorial case: tutorials/incompressible/simpleFoam/turbineSiting I have run this case in OpenFOAM-6, 7 and dev and get the same results for all three versions. |
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That is strange... I have uploaded a comparison of the vertical profiles (at the outlet, of U, k, eps etc.) I got from both the nutkAtmRoughWall and turbineSiting cases: https://drive.google.com/drive/folders/12iMIpLipg5w9HaxRk6ciPuBby-QarCWd They are very different for me. |
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Try this: commit ac27a25923cde9fd468ec09944b7c3a9872e8215 Author: Henry Weller <http://openfoam.org> Date: Thu Feb 6 21:42:26 2020 +0000 nutkAtmRoughWallFunction: Updated calcNut -> nut Resolves bug-report https://bugs.openfoam.org/view.php?id=3443 |
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It worked! I am now getting the same results as with OF6. Thank you! |
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Resolved in OpenFOAM-7 by commit ac27a25923cde9fd468ec09944b7c3a9872e8215 Resolved in OpenFOAM-dev by commit 6a2ecb4d0441e9a4906c71a577b626bcb6ff72b6 |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2020-02-06 16:10 | bakonyi.dani | New Issue | |
| 2020-02-06 18:12 | henry | Note Added: 0011135 | |
| 2020-02-06 19:50 | bakonyi.dani | Note Added: 0011136 | |
| 2020-02-06 21:43 | henry | Note Added: 0011138 | |
| 2020-02-07 16:07 | bakonyi.dani | Note Added: 0011149 | |
| 2020-02-07 16:16 | henry | Assigned To | => henry |
| 2020-02-07 16:16 | henry | Status | new => resolved |
| 2020-02-07 16:16 | henry | Resolution | open => fixed |
| 2020-02-07 16:16 | henry | Fixed in Version | => 7 |
| 2020-02-07 16:16 | henry | Note Added: 0011150 |
