/*--------------------------------*- C++ -*----------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Version:  6
     \\/     M anipulation  |
\*---------------------------------------------------------------------------*/
FoamFile {
  version     2.0;
  format      ascii;
  class       dictionary;
  object      blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

convertToMeters 1; // will be change after snappyHexMesh

backgroundMesh {
  yCells  20;
  zCells  20;

  // block A
  xMinA    0;
  xMaxA    0.5;
  yMinA    0;
  yMaxA    2;
  zMinA    0;
  zMaxA    2;
  xCellsA  5;

  // block B

  xMinB    0.5;
  xMaxB    2.5;
  yMinB    0;
  yMaxB    2;
  zMinB    0;
  zMaxB    2;
  xCellsB  20;

  // block C

  xMinC    2.5;
  xMaxC    3;
  yMinC    0;
  yMaxC    2;
  zMinC    0;
  zMaxC    2;
  xCellsC  5;
}

vertices
(
    // block A
    ($:backgroundMesh.xMinA $:backgroundMesh.yMinA $:backgroundMesh.zMinA) // 0
    ($:backgroundMesh.xMaxA $:backgroundMesh.yMinA $:backgroundMesh.zMinA) // 1
    ($:backgroundMesh.xMaxA $:backgroundMesh.yMaxA $:backgroundMesh.zMinA) // 2
    ($:backgroundMesh.xMinA $:backgroundMesh.yMaxA $:backgroundMesh.zMinA) // 3
    ($:backgroundMesh.xMinA $:backgroundMesh.yMinA $:backgroundMesh.zMaxA) // 4
    ($:backgroundMesh.xMaxA $:backgroundMesh.yMinA $:backgroundMesh.zMaxA) // 5
    ($:backgroundMesh.xMaxA $:backgroundMesh.yMaxA $:backgroundMesh.zMaxA) // 6
    ($:backgroundMesh.xMinA $:backgroundMesh.yMaxA $:backgroundMesh.zMaxA) // 7

    // block B
    ($:backgroundMesh.xMinB $:backgroundMesh.yMinB $:backgroundMesh.zMinB) // 8
    ($:backgroundMesh.xMaxB $:backgroundMesh.yMinB $:backgroundMesh.zMinB) // 9
    ($:backgroundMesh.xMaxB $:backgroundMesh.yMaxB $:backgroundMesh.zMinB) // 10
    ($:backgroundMesh.xMinB $:backgroundMesh.yMaxB $:backgroundMesh.zMinB) // 11
    ($:backgroundMesh.xMinB $:backgroundMesh.yMinB $:backgroundMesh.zMaxB) // 12
    ($:backgroundMesh.xMaxB $:backgroundMesh.yMinB $:backgroundMesh.zMaxB) // 13
    ($:backgroundMesh.xMaxB $:backgroundMesh.yMaxB $:backgroundMesh.zMaxB) // 14
    ($:backgroundMesh.xMinB $:backgroundMesh.yMaxB $:backgroundMesh.zMaxB) // 15

    // block C
    ($:backgroundMesh.xMinC $:backgroundMesh.yMinC $:backgroundMesh.zMinC) // 16
    ($:backgroundMesh.xMaxC $:backgroundMesh.yMinC $:backgroundMesh.zMinC) // 17
    ($:backgroundMesh.xMaxC $:backgroundMesh.yMaxC $:backgroundMesh.zMinC) // 18
    ($:backgroundMesh.xMinC $:backgroundMesh.yMaxC $:backgroundMesh.zMinC) // 19
    ($:backgroundMesh.xMinC $:backgroundMesh.yMinC $:backgroundMesh.zMaxC) // 20
    ($:backgroundMesh.xMaxC $:backgroundMesh.yMinC $:backgroundMesh.zMaxC) // 21
    ($:backgroundMesh.xMaxC $:backgroundMesh.yMaxC $:backgroundMesh.zMaxC) // 22
    ($:backgroundMesh.xMinC $:backgroundMesh.yMaxC $:backgroundMesh.zMaxC) // 23
);

blocks
(
    // block A
    hex (0 1 2 3 4 5 6 7) ($:backgroundMesh.xCellsA $:backgroundMesh.yCells $:backgroundMesh.zCells) simpleGrading (1 1 1)

    // block B
    hex (8 9 10 11 12 13 14 15) ($:backgroundMesh.xCellsB $:backgroundMesh.yCells $:backgroundMesh.zCells) simpleGrading (1 1 1)

    // block C
    hex (16 17 18 19 20 21 22 23) ($:backgroundMesh.xCellsC $:backgroundMesh.yCells $:backgroundMesh.zCells) simpleGrading (1 1 1)
);

edges
(
);

boundary
(
inlet {
  type patch;
  faces
  (
      (0 4 7 3)
  );
}

outlet {
  type patch;
  faces
  (
      (22 21 17 18)
  );
}

wall_buffer {
  type wall;
  faces
  (
      (3 7 6 2)
      (0 1 5 4)
      (4 5 6 7)
      (0 3 2 1)

      (19 23 22 18)
      (16 17 21 20)
      (20 21 22 23)
      (16 19 18 17)
  );
}

wall_effective_y1 {
  type wall;
  faces
  (
      (11 15 14 10)
  );
}

wall_effective_y2 {
  type wall;
  faces
  (
      (8 9 13 12)
  );
}

wall_effective_z1 {
  type wall;
  faces
  (
      (12 13 14 15)
  );
}

wall_effective_z2 {
  type wall;
  faces
  (
      (8 11 10 9)
  );
}

master1 {
  type patch;
  faces
  (
      (6 5 1 2)
  );
}

master2 {
  type patch;
  faces
  (
      (14 13 9 10)
  );
}

slave1 {
  type patch;
  faces
  (
      (8 12 15 11)
  );
}

slave2 {
  type patch;
  faces
  (
      (16 20 23 19)
  );
}


);

mergePatchPairs
(
    (master1 slave1)
    (master2 slave2)
);

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