Problem with roughnesstoFoam/ version problem

jimswa · February 6, 2018, 12:18

Hello,

I have a problem with an already exisiting case which is discribed here:
http://openfoamwiki.net/index.php/Co...oughnessToFoam

The code is hosted on Github:
https://github.com/hananel/roughnessToFoam

I tried to launch the case, but it doesn't work. I found in other threads that this data was created in OpenFoam 4 and I have the version 5.0.1 .

Do you maybe know what I need to modify so that it works.

Il also tried the commands:
blockMesh
snappyHexMesh -overwrite
But then the following error message occurs:

--> FOAM FATAL ERROR:
Number of cells in mesh:8000 does not equal size of cellLevel:24880
This might be because of a restart with inconsistent cellLevel.

From function Foam::scalar Foam::hexRef8::getLevel0EdgeLength() const
in file polyTopoChange/polyTopoChange/hexRef8/hexRef8.C at line 355.

.
.
.

Thank you for your help!

Antimony · February 6, 2018, 21:36

Hi,

Based on your error message, it would seem like that you would need to clean your case before beginning the meshing process again. Have you given that a try?

Delete the points/faces/cellZones/boundary files in polyMesh folder and try running from blockMesh again.

At the very least the error message that you are seeing right now, should go off.

Cheers,
Antimony

jimswa · February 7, 2018, 10:21

Thank you for the answer, but I already tried it.

I changed the commands to:
blockMesh
decomposePar
snappyHexMesh

Now, the mesh is created. But how does it work to take the roughnesstoFoam into account?

February 6, 2018, 12:18	Problem with roughnesstoFoam/ version problem	#1
jimswa New Member Hans Kurst Join Date: Feb 2018 Posts: 4 Rep Power: 8	Hello, I have a problem with an already exisiting case which is discribed here: http://openfoamwiki.net/index.php/Co...oughnessToFoam The code is hosted on Github: https://github.com/hananel/roughnessToFoam I tried to launch the case, but it doesn't work. I found in other threads that this data was created in OpenFoam 4 and I have the version 5.0.1 . Do you maybe know what I need to modify so that it works. Il also tried the commands: blockMesh snappyHexMesh -overwrite But then the following error message occurs: --> FOAM FATAL ERROR: Number of cells in mesh:8000 does not equal size of cellLevel:24880 This might be because of a restart with inconsistent cellLevel. From function Foam::scalar Foam::hexRef8::getLevel0EdgeLength() const in file polyTopoChange/polyTopoChange/hexRef8/hexRef8.C at line 355. . . . Thank you for your help!

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February 6, 2018, 21:36		#2
Antimony Senior Member Join Date: Aug 2013 Posts: 407 Rep Power: 16	Hi, Based on your error message, it would seem like that you would need to clean your case before beginning the meshing process again. Have you given that a try? Delete the points/faces/cellZones/boundary files in polyMesh folder and try running from blockMesh again. At the very least the error message that you are seeing right now, should go off. Cheers, Antimony

February 7, 2018, 10:21		#3
jimswa New Member Hans Kurst Join Date: Feb 2018 Posts: 4 Rep Power: 8	Thank you for the answer, but I already tried it. I changed the commands to: blockMesh decomposePar snappyHexMesh Now, the mesh is created. But how does it work to take the roughnesstoFoam into account?