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121c69ef2e
- in most cases this eliminates manually calculation of circumferential points. TUT: improve parameterization of sphere blockMeshDict - allow separate parameterization of radius, ratio of inner to outer, and the number of divisions in x/y/z and radial directions
104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v2006 |
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| \\ / A nd | Website: www.openfoam.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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object blockMeshDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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scale 1;
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// Geometric parameters
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outerRadius 1;
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// Divisions in x/y/z directions. Can be unequal.
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nx 10;
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ny $nx;
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nz $nx;
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geometry
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{
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sphere
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{
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type sphere;
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origin (0 0 0);
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radius $outerRadius;
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}
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}
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// Box sizes
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vo #eval{ sqrt($outerRadius/3) };
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mvo #eval{ -$vo };
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vertices
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(
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($mvo $mvo $mvo)
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( $vo $mvo $mvo)
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( $vo $vo $mvo)
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($mvo $vo $mvo)
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($mvo $mvo $vo)
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( $vo $mvo $vo)
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( $vo $vo $vo)
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($mvo $vo $vo)
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);
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blocks
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(
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hex (0 1 2 3 4 5 6 7) ($nx $ny $nz) grading (1 1 1)
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);
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edges
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(
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arc 0 1 origin (0 0 0)
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arc 2 3 origin (0 0 0)
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arc 6 7 origin (0 0 0)
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arc 4 5 origin (0 0 0)
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arc 0 3 origin (0 0 0)
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arc 1 2 origin (0 0 0)
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arc 5 6 origin (0 0 0)
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arc 4 7 origin (0 0 0)
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arc 0 4 origin (0 0 0)
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arc 1 5 origin (0 0 0)
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arc 2 6 origin (0 0 0)
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arc 3 7 origin (0 0 0)
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);
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faces
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(
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project (0 4 7 3) sphere // x-min
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project (1 2 6 5) sphere // x-max
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project (0 1 5 4) sphere // y-min
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project (3 7 6 2) sphere // y-max
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project (0 3 2 1) sphere // z-min
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project (4 5 6 7) sphere // z-max
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);
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boundary
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(
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walls
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{
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type wall;
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faces
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(
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(0 4 7 3) // x-min
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(1 2 6 5) // x-max
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(0 1 5 4) // y-min
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(3 7 6 2) // y-max
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(0 3 2 1) // z-min
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(4 5 6 7) // z-max
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);
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}
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);
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// ************************************************************************* //
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