Interested in programming your own schemes?

Jesper_Roland · March 24, 2021, 05:02

Hi everyone,

I would like to hear if there is any interest in a video tutorial series on how to copy and modify various schemes in OpenFOAM?

I have experience with creating my own:
- Temporal schemes
- Convection schemes
- Divergence schemes
- Laplacian schemes
- Interpolation schemes

I have in mind that the tutorials should cover how to copy the existing numerical scheme, the associated base class and how to create a new call from the fvc/fvm namespace which can be used in the solver codes. Furthermore for the cenvection and laplacian operators, I would also spent some time on showing how the coefficient matrices are assembled face by face. This is more a help to the programming beginners in OpenFOAM, that would like to link the code to theory that they learned in their basic CFD course.

Please give the post a comment to share you opinion if you are interested.

If there is enough interest I will start to consider how I can make time to create these tutorials in the future.

Cheers,

Jesper Qwist

nipinl · March 24, 2021, 11:19

It would be great if you could find time to make such tutorials. Needless to say, I'm interested.

mayursathe · March 24, 2021, 12:09

Sure! it will help people teetering on the edge and afraid to take a plunge, myself included!

Tibo99 · March 24, 2021, 12:44

I would be also interested since I'm trying to implement a new interpolation scheme myself and I'm totally lost.

Your help would be appreciated!

Best Regards,

Shibi · March 24, 2021, 13:04

10/10 approve!

10/10 would buy from udemy

mAlletto · March 26, 2021, 05:18

Maybe you can try to publish the tutorial here: https://wiki.openfoam.com/Tutorials

wa$$im · March 27, 2021, 05:32

Great Idea !

Will be very useful to me.

Thank you !

Jesper_Roland · April 21, 2021, 04:24

Hi everyone,

Thank you for the feedback.

I have decided to make an attempt on the first tutorial, which will be on interpolation schemes, when I find the time. Doing a PhD and having a 1 year old daugther leaves very little time, but I will do it as soon as I can.

I will also try to make it available at https://wiki.openfoam.com/Tutorials.

Cheers,

Jesper

Tibo99 · April 21, 2021, 08:14

Thank you very much for the update.

I'll certainly appreciate your work.

Good success and stay safe.

Best Regards,

warnerchang · April 22, 2021, 09:14

of course！

looking forward to it!

Ramkumar21194 · April 25, 2021, 05:22

Hi, i am pretty much interested in such coding tutorials of OpenFOAM C++.. please let us know when u publish/upload ur tutorials.. it would be a great resource!

Thank you in advance for ur work!

Shibi · May 19, 2021, 09:01

Any update on this?

Tibo99 · July 8, 2021, 12:19

Is it still on working progress?

Sakun · November 8, 2021, 06:04

Quote:

Originally Posted by Jesper_Roland

Hi everyone,

I would like to hear if there is any interest in a video tutorial series on how to copy and modify various schemes in OpenFOAM?

I have experience with creating my own:
- Temporal schemes
- Convection schemes
- Divergence schemes
- Laplacian schemes
- Interpolation schemes

I have in mind that the tutorials should cover how to copy the existing numerical scheme, the associated base class and how to create a new call from the fvc/fvm namespace which can be used in the solver codes. Furthermore for the cenvection and laplacian operators, I would also spent some time on showing how the coefficient matrices are assembled face by face. This is more a help to the programming beginners in OpenFOAM, that would like to link the code to theory that they learned in their basic CFD course.

Please give the post a comment to share you opinion if you are interested.

If there is enough interest I will start to consider how I can make time to create these tutorials in the future.

Cheers,

Jesper Qwist

Hi ,

is there any tutorials regarding implementing turbulence modelling ?

Tibo99 · February 9, 2022, 08:42

I'm wondering if your tutorial about implementing new/custom interpolation scheme is still on working progress? Or did you post it somewhere on GitHub or an other platform?

@Ramkumar21194 and I made an attempt but the scheme don't seem to take effect.

We share the work on GitHub here:

https://github.com/RTibo/OpenFOAM-Ne...ation-Scheme-U

If anyone see something about what could cause the issue, please share your observations.

Best Regards,

March 24, 2021, 05:02	Interested in programming your own schemes?	#1
Jesper_Roland New Member Jesper R. K. Qwist Join Date: Dec 2017 Posts: 20 Rep Power: 7	Hi everyone, I would like to hear if there is any interest in a video tutorial series on how to copy and modify various schemes in OpenFOAM? I have experience with creating my own: - Temporal schemes - Convection schemes - Divergence schemes - Laplacian schemes - Interpolation schemes I have in mind that the tutorials should cover how to copy the existing numerical scheme, the associated base class and how to create a new call from the fvc/fvm namespace which can be used in the solver codes. Furthermore for the cenvection and laplacian operators, I would also spent some time on showing how the coefficient matrices are assembled face by face. This is more a help to the programming beginners in OpenFOAM, that would like to link the code to theory that they learned in their basic CFD course. Please give the post a comment to share you opinion if you are interested. If there is enough interest I will start to consider how I can make time to create these tutorials in the future. Cheers, Jesper Qwist mayursathe, nipinl, kera and 11 others like this.

March 26, 2021, 05:18		#6
mAlletto Senior Member Michael Alletto Join Date: Jun 2018 Location: Bremen Posts: 609 Rep Power: 14	Maybe you can try to publish the tutorial here: https://wiki.openfoam.com/Tutorials Shibi likes this.

April 21, 2021, 04:24	Thank you for the feedback	#8
Jesper_Roland New Member Jesper R. K. Qwist Join Date: Dec 2017 Posts: 20 Rep Power: 7	Hi everyone, Thank you for the feedback. I have decided to make an attempt on the first tutorial, which will be on interpolation schemes, when I find the time. Doing a PhD and having a 1 year old daugther leaves very little time, but I will do it as soon as I can. I will also try to make it available at https://wiki.openfoam.com/Tutorials. Cheers, Jesper nipinl, Tibo99, Shibi and 1 others like this.

April 25, 2021, 05:22		#11
Ramkumar21194 New Member Ramkumar Join Date: Nov 2014 Location: pondicherry, India Posts: 16 Rep Power: 10	Hi, i am pretty much interested in such coding tutorials of OpenFOAM C++.. please let us know when u publish/upload ur tutorials.. it would be a great resource! Thank you in advance for ur work! Tibo99 likes this.

February 9, 2022, 08:42		#15
Tibo99 Senior Member René Thibault Join Date: Dec 2019 Location: Canada Posts: 109 Rep Power: 5	I'm wondering if your tutorial about implementing new/custom interpolation scheme is still on working progress? Or did you post it somewhere on GitHub or an other platform? @Ramkumar21194 and I made an attempt but the scheme don't seem to take effect. We share the work on GitHub here: https://github.com/RTibo/OpenFOAM-Ne...ation-Scheme-U If anyone see something about what could cause the issue, please share your observations. Best Regards, Sakun likes this.

March 24, 2021, 11:19		#2
nipinl New Member Nipin L Join Date: Nov 2012 Location: India Posts: 14 Rep Power: 12	It would be great if you could find time to make such tutorials. Needless to say, I'm interested.

March 24, 2021, 12:09		#3
mayursathe New Member Mayur Sathe Join Date: Jul 2012 Location: Chicago, USA Posts: 2 Rep Power: 0	Sure! it will help people teetering on the edge and afraid to take a plunge, myself included!

March 24, 2021, 12:44		#4
Tibo99 Senior Member René Thibault Join Date: Dec 2019 Location: Canada Posts: 109 Rep Power: 5	I would be also interested since I'm trying to implement a new interpolation scheme myself and I'm totally lost. Your help would be appreciated! Best Regards,

March 24, 2021, 13:04		#5
Shibi Member Zé Join Date: Feb 2020 Posts: 90 Rep Power: 5	10/10 approve! 10/10 would buy from udemy

March 27, 2021, 05:32		#7
wa$$im New Member Wassim Abdel Nour Join Date: Feb 2021 Posts: 10 Rep Power: 4	Great Idea ! Will be very useful to me. Thank you !

April 21, 2021, 08:14		#9
Tibo99 Senior Member René Thibault Join Date: Dec 2019 Location: Canada Posts: 109 Rep Power: 5	Thank you very much for the update. I'll certainly appreciate your work. Good success and stay safe. Best Regards,

April 22, 2021, 09:14		#10
warnerchang New Member warner chang Join Date: Aug 2020 Posts: 21 Rep Power: 4	of course！ looking forward to it!

May 19, 2021, 09:01		#12
Shibi Member Zé Join Date: Feb 2020 Posts: 90 Rep Power: 5	Any update on this?

July 8, 2021, 12:19		#13
Tibo99 Senior Member René Thibault Join Date: Dec 2019 Location: Canada Posts: 109 Rep Power: 5	Is it still on working progress?

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