unused points
 

Hi there,

how can I delete unused points, when I use gmshToFoam?
Because of it I 've got an error using checkMesh

Hi Akuji,
after you converted using gmshToFoam you open the constant/PolyMesh/boundary file
and inside it you delete the last one "defaultFaces" and you also change the "number" on top of the boundary patches to "number-1" and all will be ok.

Good Luck

Thnx for replay,
but it doesn't work. Also, after using gmshToFoam in /constant/polyMesh/boundary I haven't a defaultFAces. I see faces, which I define.

hi,
can you send me the gmsh file ".geo"
i can check it for you if you want.

I'll be grateful:)


Here I try to visualize a flow around a building. As I see, gmsh make a mesh inside building too, but I don;t need it. How can I delete it?..

Hi,

Did you succeed in removing unused points from openfoam mesh?

Yes. I solved my problem

Hello Akuji,
how did you solve your problem?

Thanks, Karl

Hello, Karl!


My problem was solved long time ago... I don't remember now exactly, but I think I made my geometry on another way. Also, maybe I was a little inattentive and don't include in volume some faces, lines.
Hope you will find solution for yours problem


Best, Arina

Hello Arina,
thanks a lot for your answer. My problem was solved unexpectedly by Icem itself. In the forth or fith run of CheckMesh it found the unconnected vertices. I don't know, what the reason was, but okay.
So my advice for other people with similar problems: Just redo your actions in Icem. Icem just needs a little bit more time sometimes.

Best, Karl

Hi All,

I also had this problem: there are two unused points in my mesh. But I found that the mesh can still be used for running although I do not know if the results are correct. How did you solver this problem in the stage of mesh generation?

Thanks.
H

Same problem with Salome
 

*Unused points found in the mesh, number unused by faces: 6859 number unused by cells: 6859


how can i remove these unused points in salome.. please reply asap:confused:

Hi, I am also facing the same issue
*Unused points found in the mesh, number unused by faces: 1458 number unused by cells: 1458
<<Writing 1458 unused points to set unusedPoints

Have you solved this problem
I am using Salome for mesh generation

How to remove unused points
 

First use "topoSet" or "setSet" to select all cells you want to extract, excluding the unusedPoints. Or just call "checkMesh", it creates cellSet without unusedPoints as well.



If the resulting cellSet is "region0":


> subsetMesh region0 -overwrite

Hi,

I know it has been a long time since this post but I was wondering if the unused points caused any trouble with the final results?

I'm facing the same problem and not sure how to solve it.

Best,

Amirmohammad