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Forum: OpenFOAM Pre-Processing October 29, 2021, 13:34
Replies: 22
Views: 4,568
Posted By Yann
Hi Amol, I ran your case with OpenFOAM-v2012...

Hi Amol,

I ran your case with OpenFOAM-v2012 and here are few comments:


Your mesh has a very poor resolution in the solid region (see picture attached)
The timestep is limited by maxDi in...
Forum: OpenFOAM Pre-Processing October 29, 2021, 06:23
Replies: 22
Views: 4,568
Posted By Yann
Are you running all these steps with OpenFOAM-8? ...

Are you running all these steps with OpenFOAM-8?

It seems there are a lot of things mixed up between OpenFOAM-8 and OpenFOAM-v2012. For instance, in the case you have provided, snappyHexMesh...
Forum: OpenFOAM Pre-Processing October 29, 2021, 05:00
Replies: 22
Views: 4,568
Posted By Yann
Hi Amol, Can you provide a script with...

Hi Amol,


Can you provide a script with your case in order to reproduce all the steps you are doing to mesh and run your case?



Yann
Forum: OpenFOAM Pre-Processing October 23, 2021, 04:35
Replies: 22
Views: 4,568
Posted By Yann
Hi Amol, Something is wrong with your...

Hi Amol,

Something is wrong with your Boundary Conditions.

In processor*/constant/shell/polyMesh/boundary, check what boundary types you have. It should be type patch on the inlet an outlet.
...
Forum: OpenFOAM Pre-Processing October 21, 2021, 09:09
Replies: 22
Views: 4,568
Posted By Yann
The ESI-OpenCFD branch (openfoam.com) and...

The ESI-OpenCFD branch (openfoam.com) and OpenFOAM foundation branch (openfoam.org) are different despite their common origin. If you take a case from one version, you will often have to adapt it to...
Forum: OpenFOAM Pre-Processing October 21, 2021, 08:32
Replies: 22
Views: 4,568
Posted By Yann
Hi Amol, Without the geometry I cannot run...

Hi Amol,

Without the geometry I cannot run your case
After having a look at it, it seems strangely similar to the shellAndTubeHeatExchanger ...
Forum: OpenFOAM Pre-Processing October 14, 2021, 05:15
Replies: 22
Views: 4,568
Posted By Yann
It can be related to a lot of things, this is...

It can be related to a lot of things, this is hard to say without knowing more about your case setup. First guess would be to check the boundary conditions and initialization, but the problem might...
Forum: OpenFOAM Pre-Processing October 14, 2021, 04:27
Replies: 22
Views: 4,568
Posted By Yann
OK then it should be fine, but still you don't...

OK then it should be fine, but still you don't have to run the decomposePar -allRegions written at the 4th step of your previous post.
Does it run properly now?

All the commands you run are...
Forum: OpenFOAM Pre-Processing October 13, 2021, 10:20
Replies: 22
Views: 4,568
Posted By Yann
Hi Amol, The 4th step is wrong. After...

Hi Amol,

The 4th step is wrong. After running snappyHexMesh in parallel, the mesh is already decomposed in each processor directory. But you need to use the splitMeshRegions utility to split your...
Forum: OpenFOAM Pre-Processing October 13, 2021, 03:13
Replies: 22
Views: 4,568
Posted By Yann
Hi Amol, Yes, this is probably the issue....

Hi Amol,


Yes, this is probably the issue. Can you describe exactly what operations you do on your case, and in which order please?


Regards,
Yann
Forum: OpenFOAM Pre-Processing October 12, 2021, 11:00
Replies: 22
Views: 4,568
Posted By Yann
Hi, What OpenFOAM version are you using? ...

Hi,

What OpenFOAM version are you using?
Can you describe your full workflow?

In a multiregion case running in parallel, you should have a polymesh directory containing the region mesh in...
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