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Merge branch 'master' of ssh://dm/home/dm4/OpenFOAM/OpenFOAM-dev
This commit is contained in:
Henry
@ -12,12 +12,20 @@ FoamFile
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class dictionary;
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object snappyHexMeshDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Which of the steps to run
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castellatedMesh false;
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snap false;
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addLayers true;
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castellatedMesh true;
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snap true;
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addLayers false;
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foamyHexMesh
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{
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#include "foamyHexMeshDict"
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}
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// Geometry. Definition of all surfaces. All surfaces are of class
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@ -28,20 +36,8 @@ addLayers true;
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// - to 'snap' the mesh boundary to the surface
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geometry
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{
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// motorBike.obj
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// {
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// type triSurfaceMesh;
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// name motorBike;
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// }
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//
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// refinementBox
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// {
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// type searchableBox;
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// min (-1.0 -0.7 0.0);
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// max ( 8.0 0.7 2.5);
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// }
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};
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${:foamyHexMesh.geometry};
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}
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// Settings for the castellatedMesh generation.
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@ -67,19 +63,12 @@ castellatedMeshControls
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// few cells. This setting will cause refinement to stop if <= minimumRefine
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// are selected for refinement. Note: it will at least do one iteration
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// (unless the number of cells to refine is 0)
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minRefinementCells 10;
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// Allow a certain level of imbalance during refining
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// (since balancing is quite expensive)
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// Expressed as fraction of perfect balance (= overall number of cells /
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// nProcs). 0=balance always.
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maxLoadUnbalance 0.10;
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minRefinementCells 0;
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// Number of buffer layers between different levels.
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// 1 means normal 2:1 refinement restriction, larger means slower
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// refinement.
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nCellsBetweenLevels 3;
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nCellsBetweenLevels 1;
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@ -90,10 +79,10 @@ castellatedMeshControls
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// This is a featureEdgeMesh, read from constant/triSurface for now.
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features
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(
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//{
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// file "someLine.eMesh";
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// level 2;
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//}
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{
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file "flange.eMesh";
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level 0;
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}
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);
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@ -109,19 +98,11 @@ castellatedMeshControls
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refinementSurfaces
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{
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// motorBike
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// {
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// // Surface-wise min and max refinement level
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// level (5 6);
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//
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// // Optional specification of patch type (default is wall). No
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// // constraint types (cyclic, symmetry) etc. are allowed.
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// patchInfo
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// {
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// type wall;
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// inGroups (motorBike);
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// }
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// }
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flange
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{
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// Surface-wise min and max refinement level
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level (2 2);
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}
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}
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// Resolve sharp angles
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@ -143,11 +124,11 @@ castellatedMeshControls
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refinementRegions
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{
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// refinementBox
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// {
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// mode inside;
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// levels ((1E15 4));
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// }
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refineHole
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{
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mode inside;
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levels ((1E15 3));
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}
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}
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@ -159,7 +140,7 @@ castellatedMeshControls
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// section reachable from the locationInMesh is kept.
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// NOTE: This point should never be on a face, always inside a cell, even
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// after refinement.
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locationInMesh (-1 0 0);
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locationInMesh ${:foamyHexMesh.surfaceConformation.locationInMesh};
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// Whether any faceZones (as specified in the refinementSurfaces)
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@ -180,19 +161,31 @@ snapControls
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//- Relative distance for points to be attracted by surface feature point
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// or edge. True distance is this factor times local
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// maximum edge length.
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tolerance 4.0;
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tolerance 1.0;
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//- Number of mesh displacement relaxation iterations.
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nSolveIter 0;
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nSolveIter 300;
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//- Maximum number of snapping relaxation iterations. Should stop
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// before upon reaching a correct mesh.
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nRelaxIter 5;
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//- Highly experimental and wip: number of feature edge snapping
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// iterations. Leave out altogether to disable.
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// Do not use here since mesh resolution too low and baffles present
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//nFeatureSnapIter 10;
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// Feature snapping
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// Number of feature edge snapping iterations.
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// Leave out altogether to disable.
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nFeatureSnapIter 10;
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// Detect (geometric only) features by sampling the surface
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// (default=false).
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implicitFeatureSnap true;
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// Use castellatedMeshControls::features (default = true)
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explicitFeatureSnap false;
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// Detect features between multiple surfaces
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// (only for explicitFeatureSnap, default = false)
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multiRegionFeatureSnap true;
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}
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@ -207,14 +200,15 @@ addLayersControls
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// Per final patch (so not geometry!) the layer information
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layers
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{
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"flange.obj.*"
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"flange_.*"
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{
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nSurfaceLayers 1;
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}
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}
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// Expansion factor for layer mesh
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expansionRatio 1.5;
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expansionRatio 1.0;
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// Wanted thickness of final added cell layer. If multiple layers
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// is the thickness of the layer furthest away from the wall.
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@ -231,9 +225,9 @@ addLayersControls
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// If points get not extruded do nGrow layers of connected faces that are
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// also not grown. This helps convergence of the layer addition process
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// close to features.
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// Note: changed(corrected) w.r.t 17x! (didn't do anything in 17x)
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nGrow 0;
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// Advanced settings
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// When not to extrude surface. 0 is flat surface, 90 is when two faces
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@ -261,10 +255,8 @@ addLayersControls
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maxThicknessToMedialRatio 0.3;
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// Angle used to pick up medial axis points
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// Note: changed(corrected) w.r.t 17x! 90 degrees corresponds to 130 in 17x.
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minMedianAxisAngle 90;
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// Create buffer region for new layer terminations
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nBufferCellsNoExtrude 0;
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@ -273,16 +265,35 @@ addLayersControls
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// if it reaches this number of iterations; possibly with an illegal
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// mesh.
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nLayerIter 50;
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// Max number of iterations after which relaxed meshQuality controls
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// get used. Up to nRelaxIter it uses the settings in meshQualityControls,
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// after nRelaxIter it uses the values in meshQualityControls::relaxed.
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nRelaxedIter 20;
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}
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// Generic mesh quality settings. At any undoable phase these determine
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// where to undo.
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meshQualityControls
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{
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// Generic mesh quality settings. At any undoable phase these determine
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// where to undo.
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#include "meshQualityDict"
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maxNonOrtho 65;
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// Optional : some meshing phases allow usage of relaxed rules.
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// See e.g. addLayersControls::nRelaxedIter.
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relaxed
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{
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//- Maximum non-orthogonality allowed. Set to 180 to disable.
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maxNonOrtho 75;
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}
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// Advanced
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//- Number of error distribution iterations
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nSmoothScale 4;
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//- amount to scale back displacement at error points
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@ -302,7 +313,7 @@ debug 0;
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// Merge tolerance. Is fraction of overall bounding box of initial mesh.
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// Note: the write tolerance needs to be higher than this.
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mergeTolerance 1e-6;
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mergeTolerance 1E-6;
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// ************************************************************************* //
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