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inward-pointing faces error

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Old   January 3, 2023, 15:35
Default inward-pointing faces error
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I've been tasked to simulate taylor couette flow between two concentric cylinders that are rotating, however I'm struggling to get the blockmesh file to work - Its giving me an error saying my faces are pointing inwards but I'm not sure why - I've double checked all the points and it should be fine.

Please see the attached blockmesh below:


/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: 8
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

convertToMeters 0.1;

vertices
(
(3 0 0)
(3 3 0)
(6 0 0)
(6 6 0)
(3 0 -0.1)
(3 3 -0.1)
(6 0 -0.1)
(6 6 -0.1)
);

blocks
(
wedge (0 1 2 3 4 5 6 7) (20 20 1) simpleGrading (1 1 1)
);

edges
(
arc 0 1 (0 0 0)
arc 2 3 (0 0 0)
arc 4 5 (0 0 -0.1)
arc 6 7 (0 0 -0.1)
);

boundary
(

topSide
{
type empty;
faces
(
(0 1 3 2) // this is the top side
);
}

bottomSide
{
type empty;

faces
(


(4 5 7 6) // this is the bottom side
);
}

movingWall1
{
type wall;
faces
(
(0 1 5 4)

);
}

movingWall2
{
type wall;
faces
(
(3 7 6 2)

);
}

leftwedge
{
type wedge;
faces
(
(1 3 7 5)

);
}

rightwedge
{
type wedge;
faces
(
(0 2 6 4)

);
}

);

mergePatchPairs
(
);

// ************************************************** *********************** //
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