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Search: Posts Made By: Tobi
Forum: OpenFOAM Running, Solving & CFD June 19, 2022, 16:16
Replies: 10
Views: 864
Posted By Tobi
My suggestion to you is: use...

My suggestion to you is:


use moveDynamicMesh
Write out each time-step
Inspect your mesh motion
Analyze the mesh problems/wrong setup
Correct it

If that is not helping. Put some pics...
Forum: OpenFOAM Running, Solving & CFD June 12, 2022, 14:01
Replies: 82
Views: 41,700
Posted By Tobi
Be more precise.

Be more precise.
Forum: OpenFOAM Programming & Development June 6, 2022, 15:16
Replies: 6
Views: 3,728
Posted By Tobi
Not 100 % or you did not write it carefully. ...

Not 100 % or you did not write it carefully.


First of all, the fluxes are different compared to the velocities as its on the surface and not in the cell center. You are right, the fluxes are...
Forum: OpenFOAM Programming & Development March 13, 2022, 06:11
Replies: 11
Views: 414
Posted By Tobi
Can you share your code? Does it work with...

Can you share your code?

Does it work with all directions?
Forum: OpenFOAM Programming & Development March 10, 2022, 09:24
Replies: 6
Views: 1,414
Posted By Tobi
The constructor you are calling does not exist.

The constructor you are calling does not exist.
Forum: OpenFOAM Meshing & Mesh Conversion March 9, 2022, 08:02
Replies: 12
[snappyHexMesh] STL file for snappyHexMesh
Views: 1,373
Posted By Tobi
The problem is that you are doing things wrong: ...

The problem is that you are doing things wrong:

code snippets from snappyHexMeshDict

geometry
{
interface.stl
{
type triSurfaceMesh;
name interface;
Forum: OpenFOAM Programming & Development March 4, 2022, 09:50
Replies: 11
Views: 414
Posted By Tobi
Is it in the code snippet you already provided?...

Is it in the code snippet you already provided? If so, we could incorporate it into the real ATM boundary but there need to me more logic as the gravity direction can be x y z (means the ground can...
Forum: OpenFOAM Running, Solving & CFD February 22, 2022, 08:23
Replies: 13
Views: 4,247
Posted By Tobi
You cannot use cyclicAMI for periodic things as...

You cannot use cyclicAMI for periodic things as far as I know. You need cyclicPeriodicAMI. Its obvious that you run into trouble with cyclicAMI.
Forum: OpenFOAM Programming & Development February 14, 2022, 07:36
Replies: 15
Views: 493
Posted By Tobi
Totally agree Tobermory, thank you for bringing...

Totally agree Tobermory, thank you for bringing up another field in which we use a similar approach.


However, I want to update this talk in terms of differences, of the given implementation I...
Forum: OpenFOAM Programming & Development February 14, 2022, 05:39
Replies: 15
Views: 493
Posted By Tobi
For comparison reasons and transparency: ...

For comparison reasons and transparency:

https://holzmann-cfd.com/forum/simpleFoamVsSimpleFoamInnerIteration.tar.gz



The solver is not attached as you simply can built it by copy simpleFoam...
Forum: OpenFOAM Programming & Development February 14, 2022, 05:19
Replies: 15
Views: 493
Posted By Tobi
Hey all, I got a private message from...

Hey all,


I got a private message from Chris in which he clarifies his ideas and what he want to do. I will summarize and give feedback now:


He wants to calculate a filter which gets...
Forum: OpenFOAM Programming & Development February 11, 2022, 13:55
Replies: 15
Views: 493
Posted By Tobi
So here is the proof that both SIMPLE and SIMPLE...

So here is the proof that both SIMPLE and SIMPLE + Inner-Loop are identical:

https://www.cfd-online.com/Forums/attachment.php?attachmentid=88331&stc=1&d=1644605424

I simply made a copy of...
Forum: OpenFOAM Community Contributions February 10, 2022, 19:08
Replies: 4
Views: 4,166
Posted By Tobi
Dear OpenFOAM community, right now I am updating...

Dear OpenFOAM community, right now I am updating all my tutorial cases to work with OpenFOAM v2112. Stay tuned by simply visiting https://Holzmann-cfd.com.
Forum: OpenFOAM Programming & Development February 10, 2022, 13:15
Replies: 15
Views: 493
Posted By Tobi
No idea why you does make it so complicated: ...

No idea why you does make it so complicated:


relaxationFactors
{ ...
Forum: OpenFOAM February 9, 2022, 06:26
Replies: 20
Views: 806
Posted By Tobi
So yesterday I was thinking about a new...

So yesterday I was thinking about a new implementation. Its not straight forward and tricky. So lets see if I can get some code-snippet work.
The main problem is, that we can apply the condition to...
Forum: OpenFOAM Community Contributions February 8, 2022, 16:29
Replies: 560
[openSmoke] libOpenSMOKE
Views: 71,764
Posted By Tobi
Now I got it. Which problem do you have? Any...

Now I got it.
Which problem do you have? Any errors you can provide us in order to give some support?
Forum: OpenFOAM Post-Processing February 7, 2022, 07:35
Replies: 12
Views: 2,201
Posted By Tobi
You mix up a few things here. However, you are...

You mix up a few things here. However, you are right, the momentum-prediction is not implemented:...
Forum: OpenFOAM Community Contributions February 7, 2022, 07:29
Replies: 560
[openSmoke] libOpenSMOKE
Views: 71,764
Posted By Tobi
I said, that I don't understand why you...

I said, that I don't understand why you implemented the flameletSImpleFoam into OpenFOAM-4. We have already everything in my repository. You simply can use it.
Forum: OpenFOAM February 7, 2022, 06:06
Replies: 20
Views: 806
Posted By Tobi
I don't need any block or buildings inside your...

I don't need any block or buildings inside your domain (but of course you can add a block). I just need the terrain, which means that I am only interested in the "inlet" profile... Or maybe I am...
Forum: OpenFOAM Running, Solving & CFD February 6, 2022, 16:58
Replies: 3
Views: 179
Posted By Tobi
Of course, you can put a gnuplot command into a...

Of course, you can put a gnuplot command into a bash-shell script. Even if you push it to the background.
Forum: OpenFOAM Post-Processing February 6, 2022, 16:57
Replies: 12
Views: 2,201
Posted By Tobi
Can you provide use the solver log file? If...

Can you provide use the solver log file?
If you have the momentumPredictor activated, you have to see it. Maybe its related to the solver and the residual control function object (don't know how...
Forum: OpenFOAM Community Contributions February 5, 2022, 15:53
Replies: 560
[openSmoke] libOpenSMOKE
Views: 71,764
Posted By Tobi
Don't know why you built it for OpenFOAM-4 as I...

Don't know why you built it for OpenFOAM-4 as I already have it here:

https://github.com/shor-ty/CRECKFlameletModel

Check it out. Things should work here with v4
Forum: OpenFOAM February 4, 2022, 14:38
Replies: 20
Views: 806
Posted By Tobi
Okay, I guess you have some buildings...

Okay,

I guess you have some buildings inside, or is it just a normal terrain analysis (without any buildings or other special geometries inside the domain?).


So what I would like to need is...
Forum: OpenFOAM Programming & Development February 4, 2022, 04:30
Replies: 7
Views: 356
Posted By Tobi
I got the hint from the developers, that the...

I got the hint from the developers, that the results are stored in the functionObjectProperties which is owned by Time. So you should have access in that way.
Forum: OpenFOAM February 3, 2022, 17:43
Replies: 20
Views: 806
Posted By Tobi
So I am actually only interested in the inlet...

So I am actually only interested in the inlet part. So you can leave out all geometries inside the domain and only provide a test case that has the "terrain" applied. I would like to use it and...
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