求教各位大佬，我在使用snappyHexMeshDict一个建筑的室内外网格进行加密的时候遇到了两个问题，首先是想通过控制level从（3,3）到（4,4）在壁面附近对网格进行加密，但是画出来的网格只有在拐角的地方有加密，平面区域没变；
12.png
没办法只能通过增加边界层来加密，但是在直角处生成的边界层网格看着不是均匀的正六面体网格
11.png
虽然checkMesh显示的网格质量还OK，但是有没有进一步提高的方法
castellatedMesh true;
snap true;
addLayers false;
geometry
{
case.stl
{
type triSurfaceMesh;
name case;
regions
{
geo 0
......
}
}
}
castellatedMeshControls
{
maxLocalCells 1000000;
maxGlobalCells 8000000;
minRefinementCells 10;
maxLoadUnbalance 0.10;
nCellsBetweenLevels 1;
features ({file "case.eMesh"; level 3;} );
refinementSurfaces
{
case
{
level (3 3);
regions
{
geo1
{
level (3 3);
}
......
}
}
}
}
resolveFeatureAngle 60;
refinementRegions{}
locationInMesh (0.0 200.0 220.0);
allowFreeStandingZoneFaces true;
}
snapControls
{
nSmoothPatch 5;
nSmoothInternal 5;
tolerance 2;
nSolveIter 100;
nRelaxIter 8;
nFeatureSnapIter 10;
nFaceSplitInterval 5;
extractFeaturesRefineLevel true;
explicitFeatureSnap true;
}
addLayersControls
{
relativeSizes false;
layers
{
geo0
{
nSurfaceLayers 3;
expansionRatio 1.2;
}
......
}
expansionRatio 1.2;
firstLayerThickness 0.015;
minThickness 0.015;
nGrow 0;
featureAngle 180;
slipFeatureAngle 75;
nRelaxIter 5;
nsmoothSurfaceNormals 1;
nSmoothThickness 10;
nSmoothNormals 3;
maxFaceThicknessRatio 0.5;
maxThicknessToMedialRatio 0.3;
minMedianAxisAngle 130;
nBufferCellsNoExtrude 0;
nLayerIter 50;
nRelaxedIter 20;
}
meshQualityControls
{
maxNonOrtho 50;
maxBoundarySkewness 4;
maxInternalSkewness 4;
maxConcave 80;
minFlatness 0.5;
minVol 1e-13;
minTetQuality 1e-15;
minArea -1;
minTwist 0.02;
minDeterminant 1e-30;
minFaceWeight 1e-30;
maxFaceThicknessRatio 0.3;
minVolRatio 1e-30;
minTriangleTwist -1;
nSmoothScale 4;
errorReduction 0.75;
relaxed
{
maxNonOrtho 60;
}
}
```
