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openfoam
Commits
634d6430
Commit
634d6430
authored
Apr 02, 2013
by
mattijs
Browse files
ENH: snappyHexMeshDict: improved comment
parent
9511eb27
Changes
1
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applications/utilities/mesh/generation/snappyHexMesh/snappyHexMeshDict
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634d6430
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@@ -337,55 +337,75 @@ addLayersControls
// Advanced settings
// When not to extrude surface. 0 is flat surface, 90 is when two faces
// are perpendicular
featureAngle 60;
// At non-patched sides allow mesh to slip if extrusion direction makes
// angle larger than slipFeatureAngle.
slipFeatureAngle 30;
// Static analysis of starting mesh
// Maximum number of snapping relaxation iterations. Should stop
// before upon reaching a correct mesh.
nRelaxIter 5;
// When not to extrude surface. 0 is flat surface, 90 is when two faces
// are perpendicular
featureAngle 130;
// Stop layer growth on highly warped cells
maxFaceThicknessRatio 0.5;
// Patch displacement
// Number of smoothing iterations of surface normals
nSmoothSurfaceNormals 1;
// Smooth layer thickness over surface patches
nSmoothThickness 10;
// Medial axis analysis
// Angle used to pick up medial axis points
// Note: changed(corrected) w.r.t 17x! 90 degrees corresponds to 130
// in 17x.
minMedianAxisAngle 90;
// Reduce layer growth where ratio thickness to medial
// distance is large
maxThicknessToMedialRatio 0.3;
// Number of smoothing iterations of
surface normals
nSmooth
Surface
Normals
1
;
// Number of smoothing iterations of
interior mesh movement direction
nSmoothNormals
3
;
// Number of smoothing iterations of interior mesh movement direction
nSmoothNormals 3;
// Optional: smooth displacement after medial axis determination.
// default is 0.
nSmoothDisplacement 90;
// Smooth layer thickness over surface patches
nSmoothThickness 10;
// Stop layer growth on highly warped cells
maxFaceThicknessRatio 0.5;
// Mesh shrinking
// Reduce layer growth where ratio thickness to medial
// distance is large
maxThicknessToMedialRatio 0.3;
// Optional: at non-patched sides allow mesh to slip if extrusion
// direction makes angle larger than slipFeatureAngle. Default is
// 0.5*featureAngle.
slipFeatureAngle 30;
//
Angle used to pick up medial axis points
//
Note:
ch
a
ng
ed(
correct
ed) w.r.t 17x! 90 degrees corresponds to 130 in 17x
.
minMedianAxisAngle 90
;
//
Maximum number of snapping relaxation iterations. Should stop
//
before upon rea
ch
i
ng
a
correct
mesh
.
nRelaxIter 5
;
// Create buffer region for new layer terminations
nBufferCellsNoExtrude 0;
// Create buffer region for new layer terminations
nBufferCellsNoExtrude 0;
// Overall max number of layer addition iterations. The mesher will
exit
// if it reaches this number of iterations; possibly with an
illegal
// mesh.
nLayerIter 50;
// Overall max number of layer addition iterations. The mesher will
//
exit
if it reaches this number of iterations; possibly with an
//
illegal
mesh.
nLayerIter 50;
// Max number of iterations after which relaxed meshQuality controls
// get used. Up to nRelaxIter it uses the settings in meshQualityControls,
// after nRelaxIter it uses the values in meshQualityControls::relaxed.
nRelaxedIter 20;
// Max number of iterations after which relaxed meshQuality controls
// get used. Up to nRelaxIter it uses the settings in
// meshQualityControls,
// after nRelaxIter it uses the values in meshQualityControls::relaxed.
nRelaxedIter 20;
// Additional reporting: if there are just a few faces where there
// are mesh errors (after adding the layers) print their face centres.
// This helps in tracking down problematic mesh areas.
//additionalReporting true;
// Additional reporting: if there are just a few faces where there
// are mesh errors (after adding the layers) print their face centres.
// This helps in tracking down problematic mesh areas.
//additionalReporting true;
}
// Generic mesh quality settings. At any undoable phase these determine
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