diff --git a/src/simpleCubicFoam/system/collapseDict b/src/simpleCubicFoam/system/collapseDict
new file mode 100644
index 0000000..7a19a37
--- /dev/null
+++ b/src/simpleCubicFoam/system/collapseDict
@@ -0,0 +1,28 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  v2012                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   2e-7;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   5;
+}
+
+
+// ************************************************************************* //
diff --git a/src/simpleCubicFoam/system/createPatchDict b/src/simpleCubicFoam/system/createPatchDict
index e2efc6b..ed7f4a0 100644
--- a/src/simpleCubicFoam/system/createPatchDict
+++ b/src/simpleCubicFoam/system/createPatchDict
@@ -54,7 +54,7 @@ patches
             type cyclicAMI;
             neighbourPatch cyclicPlaneBW;
             transform translational;
-            separationVector (-2 2 0);
+            separationVector (2 2 0);
             matchTolerance 1e-4;
             inGroups (cyclic);
         }
@@ -71,7 +71,7 @@ patches
             type cyclicAMI;
             neighbourPatch cyclicPlaneFW;
             transform translational;
-            separationVector (2 -2 0);
+            separationVector (-2 -2 0);
             matchTolerance 1e-4;
             inGroups (cyclic);
         }
@@ -88,7 +88,7 @@ patches
             type cyclicAMI;
             neighbourPatch cyclicPlaneR;
             transform translational;
-            separationVector (2 2 0);
+            separationVector (-2 2 0);
             matchTolerance 1e-4;
             inGroups (cyclic);
         }
@@ -105,7 +105,7 @@ patches
             type cyclicAMI;
             neighbourPatch cyclicPlaneL;
             transform translational;
-            separationVector (-2 -2 0);
+            separationVector (2 -2 0);
             matchTolerance 1e-4;
             inGroups (cyclic);
         }