ENH: propeller: simplify setup (remove changeDictionary to add patches)

tutorials/incompressible/pimpleDyMFoam/propeller/Allrun.pre

@@ -29,6 +29,8 @@ for s in $surfaces; do
 done
 
 runApplication snappyHexMesh -overwrite
+# force removal of fields generated by snappy
+\rm -rf 0
 
 
 # - generate face/cell sets and zones
@@ -49,18 +51,13 @@ runApplication topoSet -dict system/createAMIFaces.topoSetDict
 mv log.topoSet log.createAMIFaces.topoSet
 
 
-# - create the inlet/outlet patches
+# - create the inlet/outlet patches and AMI patches
 
 runApplication createPatch -overwrite
 
 
 # - create the AMI faces by creating baffles, and then splitting the mesh
 
-runApplication changeDictionary
-
-# force removal of fields generated by snappy
-\rm -rf 0
-
 createBaffles -internalFacesOnly -overwrite innerCylinderSmall '(AMI1 AMI2)'   \
     > log.createBaffles 2>&1
 

tutorials/incompressible/pimpleDyMFoam/propeller/system/createAMIFaces.topoSetDict

@@ -91,6 +91,20 @@ actions
             cellSet     innerCylinderSmall;
         }
     }
+
+
+    // Dummy faceSet for creating initial patches
+    {
+        name    dummyFaces;
+        type    faceSet;
+        action  new;
+        source  labelToFace;
+        sourceInfo
+        {
+            value ();
+        }
+    }
+
 );
 
 // ************************************************************************* //

tutorials/incompressible/pimpleDyMFoam/propeller/system/createPatchDict

@@ -46,6 +46,37 @@ patches
 
         set outletFaces;
     }
+
+
+    // Construct empty patches
+    {
+        name AMI1;
+        patchInfo
+        {
+            type            cyclicAMI;
+            neighbourPatch  AMI2;
+            transform       noOrdering;
+            surface
+            {}
+        }
+        constructFrom set;
+        set dummyFaces;
+    }
+    {
+        name AMI2;
+
+        patchInfo
+        {
+            type            cyclicAMI;
+            neighbourPatch  AMI1;
+            transform       noOrdering;
+            surface
+            {}
+        }
+        constructFrom set;
+        set dummyFaces;
+    }
+
 );
 
 // ************************************************************************* //