example of feature edge refinement

tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/triSurface/fridgeA.eMesh

@@ -0,0 +1,58 @@
+/*---------------------------------------------------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.3.1                                 |
+|   \\  /    A nd           | Web:      http://www.openfoam.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version 2.0;
+    format ascii;
+
+    root "..";
+    case "cavity";
+    instance ""constant"";
+    local "polyMesh";
+
+    class featureEdgeMesh;
+    object points;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Points
+(
+(1.99 1.99 0.01)     //0
+(3.01 1.99 0.01)     //1
+(3.01 3.01 0.01)     //2
+(1.99 3.01 0.01)     //3
+
+(1.99 1.99 2.01)     //4
+(3.01 1.99 2.01)     //5
+(3.01 3.01 2.01)     //6
+(1.99 3.01 2.01)     //7
+)
+
+// Edges
+(
+(0 1)
+(1 2)
+(2 3)
+(3 0)
+
+(4 5)
+(5 6)
+(6 7)
+(7 4)
+
+(0 4)
+(1 5)
+(2 6)
+(3 7)
+)
+
+
+
+// ************************************************************************* //

tutorials/mesh/snappyHexMesh/iglooWithFridges/system/snappyHexMeshDict

@@ -143,10 +143,10 @@ castellatedMeshControls
     // This is a featureEdgeMesh, read from constant/triSurface for now.
     features
     (
-//        {
-//            file "fridgeA.eMesh";
-//            level 3;
-//        }
+        {
+            file "fridgeA.eMesh";
+            level 3;
+        }
     );
 
 
@@ -308,6 +308,10 @@ addLayersControls
 
     // Create buffer region for new layer terminations
     nBufferCellsNoExtrude 0;
+
+
+    // Overall max number of layer addition iterations
+    nLayerIter 50;
 }