/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  v2506                                 |
|   \\  /    A nd           | Website:  www.openfoam.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

scale           0.001;

depth           6.2;    // depth in the empty direction
width           300;    // width of the wide part of the hopper
gap             30;     // width of the gap
totalHeight     500;    // height of the hopper including the angled part
bottomAngle     30;     // angle of the bottom with respect to the ground

minX            #eval{ 0.5*$width - 0.5*$gap };
maxX            #eval{ 0.5*$width + 0.5*$gap };

// height of the angled part based on the bottom angle
htilted         #eval{ $minX*tan(degToRad($bottomAngle)) };

vertices
(
    (0       $htilted        $depth)
    ($minX   0               $depth)
    ($maxX   0               $depth)
    ($width  $htilted        $depth)
    ($width  $totalHeight    $depth)
    (0       $totalHeight    $depth)
    (0       $htilted             0)
    ($minX   0                    0)
    ($maxX   0                    0)
    ($width  $htilted             0)
    ($width  $totalHeight         0)
    (0       $totalHeight         0)
);

blocks
(
    hex (6 9 10 11 0 3 4 5 ) (20 40 1) simpleGrading (1 1 1)
    hex (7 8 9 6 1 2 3 0) (20 8 1) simpleGrading (1 1 1)
);

boundary
(
    walls
    {
        type wall;
        faces
        (
            (1 7 8 2)
            (0 6 7 1)
            (2 8 9 3)
            (0 5 11 6)
            (3 4 10 9)
            (4 10 11 5)
        );
    }

    frontAndBack
    {
        type wall;
        faces
        (
            (0 3 4 5)
            (1 2 3 0)
            (6 11 10 9)
            (6 9 8 7)
        );
    }
);


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