/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | foam-extend: Open Source CFD                    |
|  \\    /   O peration     | Version:     3.2                                |
|   \\  /    A nd           | Web:         http://www.foam-extend.org         |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// General macros to create 2D/extruded-2D meshes



//define(calc, [esyscmd(echo $1 | bc | tr -d \\n)])









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

convertToMeters 1;

// HUB AND SHROUD RADIUS
// Hub radius (m)

// Shroud radius (m)


// GUIDE VANE REGION GEOMETRY AND MESH PROPERTIES
// Guide vane inlet axial length (m)

// Guide vane axial length (m)

// Guide vane outlet axial length (m)

// Number of guide vanes per 360 degrees (integer!)

// Number of cells in radial direction at guide vane

// Number of cells in tangential direction between guide vanes

// Number of cells in axial direction at guide vane inlet

// Number of cells in axial direction between guide vanes

// Number of cells in axial direction at guide vane outlet


// RUNNER REGION GEOMETRY AND MESH PROPERTIES
// Runner inlet axial length (m)

// Runner axial length (m)

// Runner outlet axial length (m)

// Number of runner blades per 360 degrees (integer!)

// Number of cells in radial direction in runner

// Number of cells in tangential direction between runner blades

// Number of cells in axial direction at runner inlet

// Number of cells in axial direction between runner blades

// Number of cells in axial direction at runner outlet


// DRAFT TUBE REGION GEOMETRY AND MESH PROPERTIES
// "Draft tube" axial length (m)

// Number of sections per 360 degrees (integer!)

// Number of cells in radial direction in "draft tube"

// Number of cells in tangential direction in "draft tube"

// Number of cells in axial direction in "draft tube"


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

// TANGENTIAL PITCHES (RADIANS)
// Guide vane region

// Runner region

// Draft tube region


// TANGENTIAL SHIFTS BETWEEN AXIAL LEVELS (BOTTOM-UP)
// Tangential shift from level DT0 to DT1

// Runner region
// Tangential shift from level RU0 to RU1

// Tangential shift from level RU1 to RU2

// Tangential shift from level RU2 to RU3

// Guide vane region
// Tangential shift from level GV0 to GV1

// Tangential shift from level GV1 to GV2

// Tangential shift from level GV2 to GV3


// AXIAL/TANGENTIAL BASE POINTS FOR EACH LEVEL (BOTTOM-UP):
// (CENTER OF RUNNER SET TO THETA=0, Z=0)
// Draft tube:
 //Center runner
 // Straight draft tube!
 //Center runner
// Runner:
 //Center runner
 //Center runner



// Guide vane:
 //Center runner
 //Center runner




vertices //(radial [m], tangential [radians], axial [m])
(
//Guide vane hub:
    (0.05 -0.0691150383 0.07) // Vertex GV0lb = 0
    (0.05 -0.00628318530000001 0.07) // Vertex GV0rb = 1
    (0.05 -0.062831853 0.09) // Vertex GV1lb = 2
    (0.05 0 0.09) // Vertex GV1rb = 3
    (0.05 -0.0314159265 0.19) // Vertex GV2lb = 4
    (0.05 0.0314159265 0.19) // Vertex GV2rb = 5
    (0.05 -0.0314159265 0.29) // Vertex GV3lb = 6
    (0.05 0.0314159265 0.29) // Vertex GV3rb = 7

//Guide vane shroud:
    (0.1 -0.0691150383 0.07) // Vertex GV0lt = 8
    (0.1 -0.00628318530000001 0.07) // Vertex GV0rt = 9
    (0.1 -0.062831853 0.09) // Vertex GV1lt = 10
    (0.1 0 0.09) // Vertex GV1rt = 11
    (0.1 -0.0314159265 0.19) // Vertex GV2lt = 12
    (0.1 0.0314159265 0.19) // Vertex GV2rt = 13
    (0.1 -0.0314159265 0.29) // Vertex GV3lt = 14
    (0.1 0.0314159265 0.29) // Vertex GV3rt = 15

//Runner hub:
    (0.05 -0.0062831853 -0.07) // Vertex RU0lb = 16
    (0.05 0.0565486677 -0.07) // Vertex RU0rb = 17
    (0.05 -0.0125663706 -0.05) // Vertex RU1lb = 18
    (0.05 0.0502654824 -0.05) // Vertex RU1rb = 19
    (0.05 -0.062831853 0.05) // Vertex RU2lb = 20
    (0.05 0 0.05) // Vertex RU2rb = 21
    (0.05 -0.0691150383 0.07) // Vertex RU3lb = 22
    (0.05 -0.00628318530000001 0.07) // Vertex RU3rb = 23

//Runner shroud:
    (0.1 -0.0062831853 -0.07) // Vertex RU0lt = 24
    (0.1 0.0565486677 -0.07) // Vertex RU0rt = 25
    (0.1 -0.0125663706 -0.05) // Vertex RU1lt = 26
    (0.1 0.0502654824 -0.05) // Vertex RU1rt = 27
    (0.1 -0.062831853 0.05) // Vertex RU2lt = 28
    (0.1 0 0.05) // Vertex RU2rt = 29
    (0.1 -0.0691150383 0.07) // Vertex RU3lt = 30
    (0.1 -0.00628318530000001 0.07) // Vertex RU3rt = 31

//Draft tube hub:
    (0.05 -0.0062831853 -0.14) // Vertex DT0lb = 32
    (0.05 0.0565486677 -0.14) // Vertex DT0rb = 33
    (0.05 -0.0062831853 -0.07) // Vertex DT1lb = 34
    (0.05 0.0565486677 -0.07) // Vertex DT1rb = 35

//Draft tube shroud:
    (0.1 -0.0062831853 -0.14) // Vertex DT0lt = 36
    (0.1 0.0565486677 -0.14) // Vertex DT0rt = 37
    (0.1 -0.0062831853 -0.07) // Vertex DT1lt = 38
    (0.1 0.0565486677 -0.07) // Vertex DT1rt = 39
);

blocks
(
//Guide vane:
    hex (0 1 3 2 8 9 11 10)
    (10 2 10)
    simpleGrading (1 1 1)

    hex (2 3 5 4 10 11 13 12)
    (10 10 10)
    simpleGrading (1 1 1)

    hex (4 5 7 6 12 13 15 14)
    (10 10 10)
    simpleGrading (1 1 1)

//Runner:
    hex (16 17 19 18 24 25 27 26)
    rotor
    (10 2 10)
    simpleGrading (1 1 1)

    hex (18 19 21 20 26 27 29 28)
    rotor
    (10 10 10)
    simpleGrading (1 1 1)

    hex (20 21 23 22 28 29 31 30)
    rotor
    (10 2 10)
    simpleGrading (1 1 1)

//Draft tube:
    hex (32 33 35 34 36 37 39 38)
    (10 7 10)
    simpleGrading (1 1 1)

);

edges // Inappropriate with arc due to coordinate conversion
(
//Runner
    spline 26 28
    (
        (0.1 -0.04523893416 0)
    )
    spline 18 20
    (
        (0.05 -0.04523893416 0)
    )
    spline 27 29
    (
        (0.1 0.0125663706 0)
    )
    spline 19 21
    (
        (0.05 0.0125663706 0)
    )
//Guide vane
    spline 10 12
    (
        (0.1 -0.039269908125 0.14)
    )
    spline 2 4
    (
        (0.05 -0.039269908125 0.14)
    )
    spline 11 13
    (
        (0.1 0.020420352225 0.14)
    )
    spline 3 5
    (
        (0.05 0.020420352225 0.14)
    )
);

boundary
(
    GVINLET
    {
        type            patch;
        faces
        (
            (7 6 14 15)
        );
    }

    GVOUTLET
    {
        type            mixingPlane;
        shadowPatch     RUINLET;
        zone            GVOUTLETZone;
        coordinateSystem
        {
            type            cylindrical;
            name            mixingCS;
            origin          (0 0 0);
            axis            (0 0 1);
            direction       (1 0 0);
            inDegrees       false; //Use radians
            //Equivalent axis/direction definition:
            //e3              (0 0 1);
            //e1              (1 0 0);
        }
        ribbonPatch
        {
            sweepAxis       Theta;
            stackAxis       R;
            discretisation  bothPatches;
        }
        faces
        (
            (0 1 9 8)
        );
    }

    GVCYCLIC
    {
        type cyclic;
        featureCos      0.9;
        //MUST specify transformation since cyclic is not flat.
        //Set global debugSwitch cyclic to 1 to check that it is correct!
        transform   rotational;
        rotationAxis (0 0 1);
        rotationCentre (0 0 0);
        rotationAngle  -72; //Degrees from second half to first half
        //Face numbering must be same on both halfs/sides. The numbering
        //is determined by the block definition, not by the faces list
        //below. Just make sure that each face definition is according
        //to the rule "clockwise when looking from inside the block".
        faces
        (
            //First half, left side:
            (2 0 8 10)
            (6 4 12 14)
            //Second half, right side:
            (1 3 11 9)
            (5 7 15 13)
        );
    }

    GVBLADE
    {
        type wall;
        faces
        (
            (4 2 10 12)
            (3 5 13 11)
        );
    }

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

    GVSHROUD
    {
        type wall;
        faces
        (
            (8 9 11 10)
            (10 11 13 12)
            (12 13 15 14)
        );
    }

    RUINLET
    {
        type            mixingPlane;
        shadowPatch     GVOUTLET;
        zone            RUINLETZone;
        coordinateSystem
        {
            type            cylindrical;
            name            mixingCS;
            origin          (0 0 0);
            axis            (0 0 1);
            direction       (1 0 0);
            inDegrees       false; //Use radians
            //Equivalent axis/direction definition:
            //e3              (0 0 1);
            //e1              (1 0 0);
        }
        ribbonPatch
        {
            sweepAxis       Theta;
            stackAxis       R;
            discretisation  bothPatches;
        }
        faces
        (
            (23 22 30 31)
        );
    }

    RUOUTLET
    {
        type            mixingPlane;
        shadowPatch     DTINLET;
        zone            RUOUTLETZone;
        coordinateSystem
        {
            type            cylindrical;
            name            mixingCS;
            origin          (0 0 0);
            axis            (0 0 1);
            direction       (1 0 0);
            inDegrees       false; //Use radians
            //Equivalent axis/direction definition:
            //e3              (0 0 1);
            //e1              (1 0 0);
        }
        ribbonPatch
        {
            sweepAxis       Theta;
            stackAxis       R;
            discretisation  bothPatches;
        }
        faces
        (
            (16 17 25 24)
        );
    }

    RUCYCLIC1
    {
        type             cyclicGgi;
        shadowPatch      RUCYCLIC2;
        zone             RUCYCLIC1Zone;
        bridgeOverlap    false;
        rotationAxis     (0 0 1);
        rotationAngle    72;
        separationOffset (0 0 0);
        faces
        (
            (18 16 24 26)
            (22 20 28 30)
        );
    }

    RUCYCLIC2
    {
        type             cyclicGgi;
        shadowPatch      RUCYCLIC1;
        zone             RUCYCLIC2Zone;
        bridgeOverlap    false;
        rotationAxis     (0 0 1);
        rotationAngle    -72;
        separationOffset (0 0 0);
        faces
        (
            (17 19 27 25)
            (21 23 31 29)
        );
    }

    RUBLADE
    {
        type wall;
        faces
        (
            (20 18 26 28)
            (19 21 29 27)
        );
    }

    RUHUB
    {
        type wall;
        faces
        (
            (16 18 19 17)
            (18 20 21 19)
            (20 22 23 21)
        );
    }

    RUSHROUD
    {
        type wall;
        faces
        (
            (24 25 27 26)
            (26 27 29 28)
            (28 29 31 30)
        );
    }

    DTINLET
    {
        type            mixingPlane;
        shadowPatch     RUOUTLET;
        zone            DTINLETZone;
        coordinateSystem
        {
            type            cylindrical;
            name            mixingCS;
            origin          (0 0 0);
            axis            (0 0 1);
            direction       (1 0 0);
            inDegrees       false; //Use radians
            //Equivalent axis/direction definition:
            //e3              (0 0 1);
            //e1              (1 0 0);
        }
        ribbonPatch
        {
            sweepAxis       Theta;
            stackAxis       R;
            discretisation  bothPatches;
        }
        faces
        (
            (35 34 38 39)
        );
    }

    DTOUTLET
    {
        type patch;
        faces
        (
            (32 33 37 36)
        );
    }

    DTCYCLIC1
    {
        type             cyclicGgi;
        shadowPatch      DTCYCLIC2;
        zone             DTCYCLIC1Zone;
        bridgeOverlap    false;
        rotationAxis     (0 0 1);
        rotationAngle    72;
        separationOffset (0 0 0);
        faces
        (
            (34 32 36 38)
        );
    }

    DTCYCLIC2
    {
        type             cyclicGgi;
        shadowPatch      DTCYCLIC1;
        zone             DTCYCLIC2Zone;
        bridgeOverlap    false;
        rotationAxis     (0 0 1);
        rotationAngle    -72;
        separationOffset (0 0 0);
        faces
        (
            (33 35 39 37)
        );
    }

    DTHUB
    {
        type wall;
        faces
        (
            (32 34 35 33)
        );
    }

    DTSHROUD
    {
        type wall;
        faces
        (
            (36 37 39 38)
        );
    }
);

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