Files
OpenFOAM-6/etc/caseDicts/mesh/generation/meshQualityDict
2018-07-09 15:58:01 +01:00

82 lines
2.7 KiB
C++

/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: 6
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object meshQualityDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
//- Maximum non-orthogonality allowed. Set to 180 to disable.
maxNonOrtho 65;
//- Max skewness allowed. Set to <0 to disable.
maxBoundarySkewness 20;
maxInternalSkewness 4;
//- Max concaveness allowed. Is angle (in degrees) below which concavity
// is allowed. 0 is straight face, <0 would be convex face.
// Set to 180 to disable.
maxConcave 80;
//- Minimum pyramid volume. Is absolute volume of cell pyramid.
// Set to a sensible fraction of the smallest cell volume expected.
// Set to very negative number (e.g. -1E30) to disable.
minVol 1e-13;
//- Minimum quality of the tet formed by the face-centre
// and variable base point minimum decomposition triangles and
// the cell centre. Set to very negative number (e.g. -1E30) to
// disable.
// <0 = inside out tet,
// 0 = flat tet
// 1 = regular tet
minTetQuality 1e-15;
//- Minimum face area. Set to <0 to disable.
minArea -1;
//- Minimum face twist. Set to <-1 to disable. dot product of face normal
// and face centre triangles normal
minTwist 0.02;
//- Minimum normalised cell determinant. This is the determinant of all
// the areas of internal faces. It is a measure of how much of the
// outside area of the cell is to other cells. The idea is that if all
// outside faces of the cell are 'floating' (zeroGradient) the
// 'fixedness' of the cell is determined by the area of the internal faces.
// 1 = hex, <= 0 = folded or flattened illegal cell
minDeterminant 0.001;
//- Relative position of face in relation to cell centres (0.5 for orthogonal
// mesh) (0 -> 0.5)
minFaceWeight 0.05;
//- Volume ratio of neighbouring cells (0 -> 1)
minVolRatio 0.01;
//- Per triangle normal compared to average normal. Like face twist
// but now per (face-centre decomposition) triangle. Must be >0 for Fluent
// compatibility
minTriangleTwist -1;
nSmoothScale 4;
errorReduction 0.75;
//- If >0 : preserve cells with all points on the surface if the
// resulting volume after snapping (by approximation) is larger than
// minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
// If <0 : delete always.
//minVolCollapseRatio 0.1;
// ************************************************************************* //