/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  v2412                                 |
|   \\  /    A nd           | Website:  www.openfoam.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

scale   1;

// Dimensions for outer box
lo      0;      // outer lower corner
uo      1;      // outer upper corner

// Dimensions for inner box
li      -0.1;   // inner lower corner

ui      0.497;  // inner upper corner
//      ^^^^^ very poorly handled gaps

ui      0.498;  // inner upper corner
//      ^^^^^ slave patch probably does not project onto master

ui      0.499;  // inner upper corner
//      ^^^^^ OK


vertices
(
    ( $lo $lo $lo )
    ( $uo $lo $lo )
    ( $uo $uo $lo )
    ( $lo $uo $lo )
    ( $lo $lo $uo )
    ( $uo $lo $uo )
    ( $uo $uo $uo )
    ( $lo $uo $uo )

    ( $li $li $li )
    ( $ui $li $li )
    ( $ui $ui $li )
    ( $li $ui $li )
    ( $li $li $ui )
    ( $ui $li $ui )
    ( $ui $ui $ui )
    ( $li $ui $ui )
);

blocks
(
    hex (0 1 2 3 4 5 6 7)       (6 6 6)    simpleGrading (1 1 1)
    hex (8 9 10 11 12 13 14 15) (10 10 10) simpleGrading (1 1 1)
);

edges
(
);

boundary
(
    wallso
    {
        type patch;
        faces
        (
            // Walls of the outside block
            (0 4 7 3)
            (1 2 6 5)
            (0 1 5 4)
            (3 7 6 2)
            (0 3 2 1)
            (4 5 6 7)
        );
    }
    wallsi
    {
        type patch;
        faces
        (
            // Walls of the inside block
            (8 12 15 11)
            (8 9 13 12)
            (8 11 10 9)
        );
    }

    // Outer faces populated by subsetMesh
    outer
    {
        type patch;
        faces ();
    }

    innerx
    {
        type patch;
        inGroups (inner);
        faces
        (
            (9 10 14 13)
        );
    }
    innery
    {
        type patch;
        inGroups (inner);
        faces
        (
            (11 15 14 10)
        );
    }
    innerz
    {
        type patch;
        inGroups (inner);
        faces
        (
            (12 13 14 15)
        );
    }

);


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