From 9021e777e0e3a8bb34bb72db89a3d5d8e90c1528 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs>
Date: Wed, 6 Apr 2011 19:04:17 +0100
Subject: [PATCH] ENH: flange feature edge tutorial: - slightly bigger display
so re-patching does not pick up original outside - additional refinement at
inlet since 2 cells across is too few occasionally - changed feature angle to
pick up more edges
---
tutorials/mesh/snappyHexMesh/flange/Allrun | 2 +-
.../flange/constant/polyMesh/blockMeshDict | 16 ++++++-------
.../flange/system/snappyHexMeshDict | 24 +++++++++++++++----
3 files changed, 29 insertions(+), 13 deletions(-)
diff --git a/tutorials/mesh/snappyHexMesh/flange/Allrun b/tutorials/mesh/snappyHexMesh/flange/Allrun
index 5291053bae8..c4ca60aed0e 100755
--- a/tutorials/mesh/snappyHexMesh/flange/Allrun
+++ b/tutorials/mesh/snappyHexMesh/flange/Allrun
@@ -3,5 +3,5 @@
. $WM_PROJECT_DIR/bin/tools/RunFunctions
runApplication blockMesh
-runApplication surfaceFeatureExtract -includedAngle 135 -writeObj constant/triSurface/flange.stl flange
+runApplication surfaceFeatureExtract -includedAngle 150 -writeObj constant/triSurface/flange.stl flange
runApplication snappyHexMesh -overwrite
diff --git a/tutorials/mesh/snappyHexMesh/flange/constant/polyMesh/blockMeshDict b/tutorials/mesh/snappyHexMesh/flange/constant/polyMesh/blockMeshDict
index b5f087977ba..83ee691b8c6 100644
--- a/tutorials/mesh/snappyHexMesh/flange/constant/polyMesh/blockMeshDict
+++ b/tutorials/mesh/snappyHexMesh/flange/constant/polyMesh/blockMeshDict
@@ -18,14 +18,14 @@ convertToMeters 1;
vertices
(
- ( -0.0260093 -0.0275 -0.02375)
- ( 0.0260093 -0.0275 -0.02375)
- ( 0.0260093 0.0225 -0.02375)
- ( -0.0260093 0.0225 -0.02375)
- ( -0.0260093 -0.0275 0.00225014)
- ( 0.0260093 -0.0275 0.00225014)
- ( 0.0260093 0.0225 0.00225014)
- ( -0.0260093 0.0225 0.00225014)
+ ( -0.03 -0.03 -0.03)
+ ( 0.03 -0.03 -0.03)
+ ( 0.03 0.03 -0.03)
+ ( -0.03 0.03 -0.03)
+ ( -0.03 -0.03 0.01)
+ ( 0.03 -0.03 0.01)
+ ( 0.03 0.03 0.01)
+ ( -0.03 0.03 0.01)
);
blocks
diff --git a/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict b/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
index c5fc9286f60..d7f6fd3439d 100644
--- a/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
+++ b/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
@@ -35,12 +35,23 @@ geometry
name flange;
}
- refine
+ //- Refine a bit extra around the small centre hole
+ refineHole
{
type searchableSphere;
centre (0 0 -0.012);
radius 0.003;
}
+
+ //- Refine a bit extra around the edge of the flange. With only two cells
+ // across it might/might not mesh correctly.
+ refineCap
+ {
+ type searchableCylinder;
+ point1 (0 0.021 -0.01075);
+ point2 (0 0.025 -0.01075);
+ radius 0.013;
+ }
};
@@ -110,7 +121,7 @@ castellatedMeshControls
}
}
- resolveFeatureAngle 45;
+ resolveFeatureAngle 30;
// Region-wise refinement
@@ -128,7 +139,12 @@ castellatedMeshControls
refinementRegions
{
- refine
+ refineHole
+ {
+ mode inside;
+ levels ((1E15 3));
+ }
+ refineCap
{
mode inside;
levels ((1E15 3));
@@ -221,7 +237,7 @@ addLayersControls
//- When not to extrude surface. 0 is flat surface, 90 is when two faces
// make straight angle.
- featureAngle 45;
+ featureAngle 30;
//- Maximum number of snapping relaxation iterations. Should stop
// before upon reaching a correct mesh.
--
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