data/tutorials/mesh/blockMesh/sphere/system/blockMeshDict

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

geometry
{
    sphere
    {
        type sphere;
        centre (0 0 0);
        radius 1;
    }
}

v 0.5773502;
mv -0.5773502;

a 0.7071067;
ma -0.7071067;

vertices
(
    ($mv $mv $mv)
    ( $v $mv $mv)
    ( $v  $v $mv)
    ($mv  $v $mv)
    ($mv $mv  $v)
    ( $v $mv  $v)
    ( $v  $v  $v)
    ($mv  $v  $v)
);

blocks
(
    hex (0 1 2 3 4 5 6 7) (10 10 10) simpleGrading (1 1 1)
);

edges
(
    arc 0 1 (0 $ma $ma)
    arc 2 3 (0 $a $ma)
    arc 6 7 (0 $a $a)
    arc 4 5 (0 $ma $a)

    arc 0 3 ($ma 0 $ma)
    arc 1 2 ($a 0 $ma)
    arc 5 6 ($a 0 $a)
    arc 4 7 ($ma 0 $a)

    arc 0 4 ($ma $ma 0)
    arc 1 5 ($a $ma 0)
    arc 2 6 ($a $a 0)
    arc 3 7 ($ma $a 0)
);

faces
(
    project (0 4 7 3) sphere
    project (2 6 5 1) sphere
    project (1 5 4 0) sphere
    project (3 7 6 2) sphere
    project (0 3 2 1) sphere
    project (4 5 6 7) sphere
);

boundary
(
    walls
    {
        type wall;
        faces
        (
            (0 4 7 3)
            (2 6 5 1)
            (1 5 4 0)
            (3 7 6 2)
            (0 3 2 1)
            (4 5 6 7)
        );
    }
);

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