openfoam/tutorials/mesh/createPatch/TJunctionSwitching_createPatch/central/system/blockMeshDict

/*--------------------------------*- 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;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

//           outlet1
//             +-+
//             | |
//             | |
//             | |
//             | |
// +-----------+-+
// |inlet      | |
// +-----------+-+
//             | |
//             | |
//             | |
//             | |
//             +-+
//           outlet2

scale   1;

vertices
(
    (0.0  -0.01 0)  //0
    (0.19 -0.01 0)
    (0.19  0.01 0)  //2
    (0.0   0.01 0)

    (0.19 -0.02 0)  //4
    (0.23 -0.02 0)
    (0.23  0.02 0)  //6
    (0.19  0.02 0)

    (0.2  -0.21 0)  //8
    (0.22 -0.21 0)
    (0.22 -0.02 0)  //10
    (0.2  -0.02 0)

    (0.2   0.02 0)  //12
    (0.22  0.02 0)
    (0.22  0.21 0)  //14
    (0.2   0.21 0)

    // Z
    (0.0  -0.01 0.01)
    (0.19 -0.01 0.01)
    (0.19  0.01 0.01)
    (0.0   0.01 0.01)

    (0.19 -0.02 0.01)
    (0.23 -0.02 0.01)
    (0.23  0.02 0.01)
    (0.19  0.02 0.01)

    (0.2  -0.21 0.01)
    (0.22 -0.21 0.01)
    (0.22 -0.02 0.01)
    (0.2  -0.02 0.01)

    (0.2   0.02 0.01)
    (0.22  0.02 0.01)
    (0.22  0.21 0.01)
    (0.2   0.21 0.01)
);

blocks
(
    // inlet block
    hex (0 1 2 3  16 17 18 19) inlet (50 5 1) simpleGrading (1 1 1)

    // central block
    hex (4 5 6 7  20 21 22 23) central (12 12 1) simpleGrading (1 1 1)

    // bottom block
    hex (8 9 10 11  24 25 26 27) bottom (5 50 1) simpleGrading (1 1 1)

    // top block
    hex (12 13 14 15  28 29 30 31) top (5 50 1) simpleGrading (1 1 1)
);

edges
(
);

boundary
(
    inlet
    {
        type patch;
        faces
        (
            (0 16 19 3)
        );
    }

    outlet1
    {
        type patch;
        faces
        (
            (8 9 25 24)
        );
    }

    outlet2
    {
        type patch;
        faces
        (
            (14 15 31 30)
        );
    }

    walls
    {
        type wall;
        faces
        (
            // Inlet block
            (2 3 19 18)
            (0 1 17 16)
            // Central block
            (5 6 22 21)
            // Bottom block
            (8 24 27 11)
            (9 10 26 25)
            // Top block
            (13 14 30 29)
            (12 28 31 15)
        );
    }


    // Inlet - Central block
    // ~~~~~~~~~~~~~~~~~~~~~

    inlet_central_couple
    {
        type            cyclicACMI;
        neighbourPatch  central_inlet_couple;
        nonOverlapPatch inlet_central_blockage;
        faces
        (
            (1 2 18 17)
        );
    }
    inlet_central_blockage
    {
        type            wall;
        faces
        (
            (1 2 18 17)
        );
    }
    central_inlet_couple
    {
        type            cyclicACMI;
        neighbourPatch  inlet_central_couple;
        nonOverlapPatch central_inlet_blockage;
        faces
        (
            (4 20 23 7)
        );
    }
    central_inlet_blockage
    {
        type            wall;
        faces
        (
            (4 20 23 7)
        );
    }


    // Central - Bottom block
    // ~~~~~~~~~~~~~~~~~~~~~

    bottom_central_couple
    {
        type            cyclicACMI;
        neighbourPatch  central_bottom_couple;
        nonOverlapPatch bottom_central_blockage;
        faces
        (
            (10 11 27 26)
        );

        scale           table
        (
            (0.00   1.0)
            (0.20   1.0)
            (0.30   0.0)
        );
    }
    bottom_central_blockage
    {
        type            wall;
        faces
        (
            (10 11 27 26)
        );
    }
    central_bottom_couple
    {
        type            cyclicACMI;
        neighbourPatch  bottom_central_couple;
        nonOverlapPatch central_bottom_blockage;
        faces
        (
            (4 5 21 20)
        );
    }
    central_bottom_blockage
    {
        type            wall;
        faces
        (
            (4 5 21 20)
        );
    }


    // Central - Top block
    // ~~~~~~~~~~~~~~~~~~~

    top_central_couple
    {
        type            cyclicACMI;
        neighbourPatch  central_top_couple;
        nonOverlapPatch top_central_blockage;
        faces
        (
            (12 13 29 28)
        );

        scale           table
        (
            (0.00   0.0)
            (0.20   0.0)
            (0.30   1.0)
        );
    }
    top_central_blockage
    {
        type            wall;
        faces
        (
            (12 13 29 28)
        );
    }
    central_top_couple
    {
        type            cyclicACMI;
        neighbourPatch  top_central_couple;
        nonOverlapPatch central_top_blockage;
        faces
        (
            (6 7 23 22)
        );
    }
    central_top_blockage
    {
        type            wall;
        faces
        (
            (6 7 23 22)
        );
    }
);


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