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Forum: OpenFOAM Meshing & Mesh Conversion

February 16, 2017, 22:37

Replies: 28

[blockMesh] FATAL ERROR: face 6 in patch 2 does not have neighbour cell face: 4(8 9 21 20)

Views: 26,878

Posted By Antimony

Hi, To be able to define a face with the...

Hi,

To be able to define a face with the vertices, the vertices MUST form part of a block. Your blocks are:

hex (0 1 2 3 6 7 8 9) (200 36 1) simpleGrading (1 1 1)
hex (3 2 4 5 9 8 10 11)...

Forum: OpenFOAM Meshing & Mesh Conversion

July 10, 2016, 22:11

Replies: 28

[blockMesh] FATAL ERROR: face 6 in patch 2 does not have neighbour cell face: 4(8 9 21 20)

Views: 26,878

Posted By Antimony

Hi, Please refer to my reply to Madi. it is...

Hi,

Please refer to my reply to Madi. it is the same in your case.

If you want to specify a subset of your block to be something different, I suggest you use the combination of topoSet and...

Forum: OpenFOAM Meshing & Mesh Conversion

June 27, 2016, 06:21

Replies: 28

[blockMesh] FATAL ERROR: face 6 in patch 2 does not have neighbour cell face: 4(8 9 21 20)

Views: 26,878

Posted By Antimony

Hi, @Madi: You get the error because none of...

Hi,

@Madi: You get the error because none of the blocks that you have defined have all of 28 2 10 and 26. If you want to create a face, then the first rule is that all the vertices specifying the...

Forum: OpenFOAM Meshing & Mesh Conversion

June 21, 2016, 05:58

Replies: 28

[blockMesh] FATAL ERROR: face 6 in patch 2 does not have neighbour cell face: 4(8 9 21 20)

Views: 26,878

Posted By Antimony

Hi, It means that you have not specified...

Hi,

It means that you have not specified that patch in the boundary file.

Essentially, every patch entry in the boundary file under constant/polyMesh, must be mentioned in each of your boundary...

Forum: OpenFOAM Meshing & Mesh Conversion

June 21, 2016, 03:44

Replies: 28

[blockMesh] FATAL ERROR: face 6 in patch 2 does not have neighbour cell face: 4(8 9 21 20)

Views: 26,878

Posted By Antimony

Hi, Your "lowerWall_G" and "G1" have the...

Hi,

Your "lowerWall_G" and "G1" have the exact same face definition. A face can be specified as belonging only to one patch...

Cheers,
Antimony

Forum: OpenFOAM Meshing & Mesh Conversion

April 15, 2016, 04:19

Replies: 28

[blockMesh] FATAL ERROR: face 6 in patch 2 does not have neighbour cell face: 4(8 9 21 20)

Views: 26,878

Posted By Antimony

Hi, From the definition of your last block,...

Hi,

From the definition of your last block, you have (12 13 17 16 15 14 19 18).

If you look up the way OF looks at a block, then you will see that there is no face that can be defined by (12...

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