openfoam/tutorials/basic/potentialFoam/cylinder/system/blockMeshDict
2024-12-24 11:17:31 +00:00

186 lines
4.7 KiB
C++

/*--------------------------------*- 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;
// Geometric parameters
rInner 0.5;
rOuter 1;
xmax 2;
ymax 2;
zmin -0.5; // Back/front locations
zmax 0.5;
// Divisions: Radial, quarter circumference, outer region and z-directions.
nRadial 10;
nQuarter 10;
nxOuter 20;
nyOuter 20;
nz 1;
// ----------------
// Derived quantities
rInner45 ${{ $rInner * sqrt(0.5) }};
rOuter45 ${{ $rOuter * sqrt(0.5) }};
vertices #codeStream
{
codeInclude
#{
#include "pointField.H"
#};
code
#{
pointField points
({
/* 0*/ { $rInner, 0, $zmin },
/* 1*/ { $rOuter, 0, $zmin },
/* 2*/ { $xmax, 0, $zmin },
/* 3*/ { $xmax, $rOuter45, $zmin },
/* 4*/ { $rOuter45, $rOuter45, $zmin },
/* 5*/ { $rInner45, $rInner45, $zmin },
/* 6*/ { $xmax, $ymax, $zmin },
/* 7*/ { $rOuter45, $ymax, $zmin },
/* 8*/ { 0, $ymax, $zmin },
/* 9*/ { 0, $rOuter, $zmin },
/*10*/ { 0, $rInner, $zmin },
/*11*/ { -$rInner, 0, $zmin },
/*12*/ { -$rOuter, 0, $zmin },
/*13*/ { -$xmax, 0, $zmin },
/*14*/ { -$xmax, $rOuter45, $zmin },
/*15*/ { -$rOuter45, $rOuter45, $zmin },
/*16*/ { -$rInner45, $rInner45, $zmin },
/*17*/ { -$xmax, $ymax, $zmin },
/*18*/ { -$rOuter45, $ymax, $zmin }
});
// Duplicate z points for zmax
const label sz = points.size();
points.resize(2*sz);
for (label i = 0; i < sz; ++i)
{
const point& pt = points[i];
points[i + sz] = point(pt.x(), pt.y(), $zmax);
}
os << points;
#};
};
// Can remove unneeded variables
#remove ( "r(Inner|Outer).*" "[xy](min|max)" )
blocks
(
hex (5 4 9 10 24 23 28 29) ($nRadial $nQuarter $nz) grading (1 1 1)
hex (0 1 4 5 19 20 23 24) ($nRadial $nQuarter $nz) grading (1 1 1)
hex (1 2 3 4 20 21 22 23) ($nxOuter $nQuarter $nz) grading (1 1 1)
hex (4 3 6 7 23 22 25 26) ($nxOuter $nyOuter $nz) grading (1 1 1)
hex (9 4 7 8 28 23 26 27) ($nQuarter $nyOuter $nz) grading (1 1 1)
hex (15 16 10 9 34 35 29 28) ($nRadial $nQuarter $nz) grading (1 1 1)
hex (12 11 16 15 31 30 35 34) ($nRadial $nQuarter $nz) grading (1 1 1)
hex (13 12 15 14 32 31 34 33) ($nxOuter $nQuarter $nz) grading (1 1 1)
hex (14 15 18 17 33 34 37 36) ($nxOuter $nyOuter $nz) grading (1 1 1)
hex (15 9 8 18 34 28 27 37) ($nQuarter $nyOuter $nz) grading (1 1 1)
);
edges
(
// Inner cylinder
arc 0 5 origin (0 0 $zmin)
arc 5 10 origin (0 0 $zmin)
arc 1 4 origin (0 0 $zmin)
arc 4 9 origin (0 0 $zmin)
arc 19 24 origin (0 0 $zmax)
arc 24 29 origin (0 0 $zmax)
arc 20 23 origin (0 0 $zmax)
arc 23 28 origin (0 0 $zmax)
// Intermediate cylinder
arc 11 16 origin (0 0 $zmin)
arc 16 10 origin (0 0 $zmin)
arc 12 15 origin (0 0 $zmin)
arc 15 9 origin (0 0 $zmin)
arc 30 35 origin (0 0 $zmax)
arc 35 29 origin (0 0 $zmax)
arc 31 34 origin (0 0 $zmax)
arc 34 28 origin (0 0 $zmax)
);
boundary
(
down
{
type symmetryPlane;
faces
(
(0 1 20 19)
(1 2 21 20)
(12 11 30 31)
(13 12 31 32)
);
}
right
{
type patch;
faces
(
(2 3 22 21)
(3 6 25 22)
);
}
up
{
type symmetryPlane;
faces
(
(7 8 27 26)
(6 7 26 25)
(8 18 37 27)
(18 17 36 37)
);
}
left
{
type patch;
faces
(
(14 13 32 33)
(17 14 33 36)
);
}
cylinder
{
type symmetry;
faces
(
(10 5 24 29)
(5 0 19 24)
(16 10 29 35)
(11 16 35 30)
);
}
);
mergePatchPairs
(
);
// ************************************************************************* //