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meaning of invert

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Old   August 10, 2020, 23:36
Exclamation meaning of invert
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sw choi
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Dear All,

It would be great if I can get the meaning of following message see near bottom // part
Thanks for your help in advance.


// Heater2; added heater
{
name bottomWaterCellSet;
type cellSet;
action new;
source cellToCell;
sourceInfo
{
set heater2CellSet;
}
}

{
name bottomWaterCellSet;
type cellSet;
action invert; // I don't understand what this card means
}
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Old   August 11, 2020, 03:37
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Domenico Lahaye
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Dr. Google is your best friend.

action invert seems to invert the selection, i.e., it select cells not belonging to the highlighted set.

See, e.g.
Problem with topoSet Item#3
or
Porous Media using TopoSet Item#4
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Old   August 11, 2020, 08:20
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Hello dlahaye

Thank you so much for your comments. Typically, the reference e.g. is so useful for me to my question. I am trying to be familiar with this site contents and learn to find the information that I am looking for. Basically, I have reviewed user manuals, tutorials and youtube. I don't have a background for C+ language. Could you recommend any basic reference to catch up the commander used in OpenFOAM? Anyhow, thanks again.

Last edited by choist31; August 11, 2020 at 12:26.
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Old   August 12, 2020, 03:37
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Domenico Lahaye
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Not sure. Possibly below helps:

1. Extensive list on http://sourceflux.de/blog/101-things...ting-openfoam/

2. Moukalled, Manga and Darwish, The finite volume method in computational fluid dynamics, Springer 2015 , http://www.springer.com/gp/book/9783319168739

3. General introduction and subsequently moving into interFOAM http://infofich.unl.edu.ar/upload/3b...8wXLbV3yHH34UU

4. Wolf Dynamics: http://www.wolfdynamics.com/our-serv...ing.html?id=50

5. From simple to more detailed http://www.hpc.lsu.edu/training/week...f_20160224.pdf

* Udemy course on C++: https://www.udemy.com/share/101Wd4/

* https://www.youtube.com/watch?v=6y0b...CsPzVQ19iOBZb8
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Old   August 14, 2020, 06:37
Thumbs up Thank you so much
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sw choi
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Dear Dlahaye

You're a great mentor and helper for me like new OpenFOAM user. Thank you for helping me out; I really appreciate your kindness and support.

Typically, the linked youtube helps me a lot to understand the structure of C++ language.
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