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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 4.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object snappyRefineMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Surface to keep to
surface "plexi.obj";
// What is outside. These points have to be inside a cell (so not on a face!)
outsidePoints ((-0.99001 -0.99001 -0.99001));
//
// Selection of cells to refine
//
// If smallest edge of mesh > maxEdgeLen select all cut cells for refinement.
// If < maxEdgeLen select only those cut cells which are closer than
// curvatureDistance to surface
// and with cos of angle between normals on surface < curvature.
maxEdgeLen 0.1;
curvatureDistance 1.0;
curvature 0.9;
// if > 0: Remove inside cells at every step. Inside is given by number of
// layers separating outside from inside.
// (note that we cannot remove outside
// cells since these contain the outsidePoints)
// Do not use this option if you want mesh to spill through a hole which is
// not visible on the coarsest level but only becomes visible after refinement
nCutLayers 2;
// Refine until smallest edge of mesh < minEdgeLen
minEdgeLen 0.1;
// Or until the number of cells would become more than (stops one level before
// this)
cellLimit 2500000;
//
// Selection of final set
//
// Select based on side of surface. Usually select inside cells and project
// outwards or select outside cells and project inwards.
selectCut false;
selectInside false;
selectOutside true;
// Leave out cell closer than nearDistance to the surface. Usually
// 0.5*minEdgeLen. Set to -1 to disable.
nearDistance -1;
// Some cells on the surface of the selected cells might have all their
// points on the 'outside'. These would get flattened when projecting so
// are either kept and refined (selectHanging) or removed from the set
selectHanging false;
//
// Refinement parameters
//
// Type of coordinate system
coordinateSystem global;
//coordinateSystem patchLocal;
// .. and its coefficients. x,y in this case. (normal = tan1^tan2)
globalCoeffs
{
tan1 (1 0 0);
tan2 (0 1 0);
}
patchLocalCoeffs
{
patch outside; // Normal direction is facenormal of zero'th face of patch
tan1 (1 0 0);
}
// List of directions to refine
directions
(
tan1
tan2
normal
);
// refinement level difference between neighbouring cells. Set to large if
// there is no need for a limit.
splitLevel 2;
// Cut purely geometric (will cut hexes through vertices) or take topology
// into account.
geometricCut false;
// Whether to use hex topology. This will never cut hex through vertices.
useHexTopology yes;
// Write meshes from intermediate steps
writeMesh true;
// ************************************************************************* //
|
