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Search: Posts Made By: snak
Forum: OpenFOAM Programming & Development May 2, 2022, 07:49
Replies: 7
Views: 212
Posted By snak
Hi Pablo, As you can see the equation by...

Hi Pablo,

As you can see the equation by Voulet, Coh will be a volSymmTensorField instead of a volVectorField.

A Laplacian term in solidFoam with anisotropic setting uses volSymmTensorField.
Forum: OpenFOAM Programming & Development April 28, 2022, 07:54
Replies: 7
Views: 212
Posted By snak
Hi Pablo, Have you take a look at solidFoam...

Hi Pablo,

Have you take a look at solidFoam solver?
https://www.openfoam.com/documentation/guides/latest/api/dir_2dd292586dde56d23b24a911d4e7b6b2.html

Laplacian term in anisotropic case will...
Forum: OpenFOAM Programming & Development March 23, 2022, 06:37
Replies: 3
Views: 183
Posted By snak
Hi, There is the section (3.4.9, P-43) about...

Hi,

There is the section (3.4.9, P-43) about the source terms in Programmer's Guide.
https://sourceforge.net/projects/openfoam/files/v2112/

With the implicit method, the term will be...
Forum: OpenFOAM Meshing & Mesh Conversion September 26, 2021, 23:53
Replies: 11
[snappyHexMesh] SnappyHexMesh refinement
Views: 555
Posted By snak
Now I understand the problem. My misunderstanding...

Now I understand the problem. My misunderstanding was "one outer big circle is the shamal and one inner big circle is the hub". The outer and inner big circles are the shamal, and the inner tiny...
Forum: OpenFOAM Meshing & Mesh Conversion September 24, 2021, 21:58
Replies: 11
[snappyHexMesh] SnappyHexMesh refinement
Views: 555
Posted By snak
Hi, You have geometry named "hub" based...

Hi,


You have geometry named "hub" based on "hub.stl".

You refined the surface and its neighborhood using a "refeinementSurfaces" entry.

refinementSurfaces{ hub{ level (6 6); }
How...
Forum: OpenFOAM September 18, 2021, 07:40
Replies: 5
Views: 474
Posted By snak
Hi, If you really need the motion, you need...

Hi,

If you really need the motion, you need a time-dependent solver as Erick said.

There is some tutorials which handle rotating motion with a steady-state solver. ...
Forum: OpenFOAM Running, Solving & CFD September 4, 2021, 05:00
Replies: 3
Views: 337
Posted By snak
Could you put a log file from your run and a...

Could you put a log file from your run and a compressed case file you used. It may help people they wanna help this community.
Forum: OpenFOAM Running, Solving & CFD September 3, 2021, 12:39
Replies: 2
Views: 558
Posted By snak
Hi Gabriel, Thank you for summarizing the...

Hi Gabriel,

Thank you for summarizing the procedure.

Some important points are missing in this guide. The dimension and type of pressure and the physical property of viscosity depend on the...
Forum: OpenFOAM Running, Solving & CFD September 2, 2021, 06:42
Replies: 26
Views: 1,233
Posted By snak
There is a tutorial case with a liquid filled...

There is a tutorial case with a liquid filled cavity with free surface. pimpleFoam solver is used. Only one fluid is considered. Free surface moves using an interface-tracking dynamic mesh.

...
Forum: OpenFOAM Running, Solving & CFD September 1, 2021, 00:36
Replies: 26
Views: 1,233
Posted By snak
There is an interface-tracking dynamic mesh. I'm...

There is an interface-tracking dynamic mesh. I'm not sure this fits your needs or not. I have an interest in this function but I have never used...
...
Forum: OpenFOAM Post-Processing August 31, 2021, 23:39
Replies: 9
Views: 3,950
Posted By snak
How about creating symbolic links to data files...

How about creating symbolic links to data files and directories. You can arrange the files and directories as you like, aren't you?
Forum: OpenFOAM Pre-Processing August 29, 2021, 20:37
Replies: 3
Views: 339
Posted By snak
Hi, It means a "correct()" function in...

Hi,

It means a "correct()" function in "combustion" instance is called.

To know what exactly it means, we have to know the definition of "combustion".

Could you tell us the version of...
Forum: OpenFOAM August 27, 2021, 00:16
Replies: 2
Views: 511
Posted By snak
Hi, There is a mapFields utility which...

Hi,

There is a mapFields utility which maps one or more fields relating to a given geometry onto the corresponding fields for another geometry.
...
Forum: OpenFOAM Running, Solving & CFD August 24, 2021, 04:21
Replies: 11
Views: 2,162
Posted By snak
Hi Kraneberger, I found the open issue at...

Hi Kraneberger,

I found the open issue at VTK site.
https://gitlab.kitware.com/vtk/vtk/-/issues/18085

Using ParaView without a OpenFOAM Plugin (or not using paraFoam) causes this misleading...
Forum: OpenFOAM Running, Solving & CFD August 23, 2021, 20:42
Replies: 11
Views: 2,162
Posted By snak
Hi Kraneberger, I used OpenFOAM v2106. With...

Hi Kraneberger,

I used OpenFOAM v2106. With v1912, I got the same result as shown here:
86000

I used paraFoam command. paraFoam will stat paraview with the OpenFOAM libraries and reader...
Forum: OpenFOAM Running, Solving & CFD August 21, 2021, 07:40
Replies: 11
Views: 2,162
Posted By snak
Hi, How did you take data and plot ? ...

Hi,


How did you take data and plot ?


With tutorials/simpleFoam/airFoil2D case, velocities at the wall is zero with noSlip condition as shown here,

85969
Forum: OpenFOAM Running, Solving & CFD August 7, 2021, 08:14
Replies: 2
Views: 205
Posted By snak
Hi, You are using SimpleFoam. Only the...

Hi,

You are using SimpleFoam. Only the steady field is simulated. So, the blades do not rotate.

However, a MRF zone (named MRF1, created from rotor cellZone) exists. MRF1 is adding rotational...
Forum: OpenFOAM Running, Solving & CFD August 7, 2021, 08:01
Replies: 5
Views: 527
Posted By snak
Hi, Is this correct? In your case, the...

Hi,


Is this correct? In your case, the diameter of pipe is about 200 mm. (It is estimated from a STL file.)


As Daniel pointed out, the pressure drop you obtained from the website will be...
Forum: OpenFOAM Bugs January 26, 2021, 05:13
Replies: 19
Views: 3,238
Posted By snak
Hi, It is discussed here; ...

Hi,


It is discussed here;
https://www.cfd-online.com/Forums/openfoam-solving/60096-ddtphicorr.html
Forum: OpenFOAM Bugs January 6, 2021, 10:41
Replies: 19
Views: 3,238
Posted By snak
Hi, You can check information about...

Hi,

You can check information about OpenFOAM you installed with the following command;


dpkg -l | grep openfoam
This will tell you the tag like 20190620. We can see the tags...
Forum: OpenFOAM Bugs January 6, 2021, 06:39
Replies: 19
Views: 3,238
Posted By snak
Hi, ...

Hi,

https://github.com/OpenFOAM/OpenFOAM-dev/commit/b162c4818b9bbdb824db9e75baffef6ac7c5a7a0
The above commit is dated on 21 Feb 2019 and has a tag "20190304".
...
Forum: OpenFOAM Bugs January 5, 2021, 10:37
Replies: 19
Views: 3,238
Posted By snak
Hi, The ddtScheme has been reverted to...

Hi,


The ddtScheme has been reverted to previous one with the following commit;


ddtScheme::fvcDdtPhiCoeff: Reverted to previous flux-normalised scheme
...
Forum: OpenFOAM September 27, 2020, 05:25
Replies: 6
Views: 711
Posted By snak
Hi, log of a standard tutorial...

Hi,


log of a standard tutorial (aachenBomb) is something like this;
No finite volume options present
Courant Number mean: 0 max: 0

Starting time loopYour case stopped at just before Courant...
Forum: OpenFOAM September 1, 2020, 05:17
Replies: 13
Views: 859
Posted By snak
Example: coalChemistryFoam solver Changes in...

Example: coalChemistryFoam solver

Changes in coalChemistryFoam.C (adding lines to extra output)
runTime++;

Info<< "Time = " << runTime.timeName() << nl << endl;


...
Forum: OpenFOAM September 1, 2020, 04:50
Replies: 13
Views: 859
Posted By snak
Hi Kummi, It is quite difficult to advice...

Hi Kummi,

It is quite difficult to advice without knowing solver and library codes and a working example.

You have just shared the part of the library. I can not figure out the whole code...
Showing results 1 to 25 of 100

 
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