diff --git a/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ChangeMixingPlaneBoundary.py b/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ChangeMixingPlaneBoundary.py
index 4486fc5d4..128c75122 100644
--- a/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ChangeMixingPlaneBoundary.py
+++ b/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ChangeMixingPlaneBoundary.py
@@ -33,6 +33,11 @@ Change MixingPlane boundary condition parameters
                                dest="shadowPatch",
                                default=None,
                                help='Name of the shadowPatch')
+        self.parser.add_option("--zone",
+                               action="store",
+                               dest="zone",
+                               default=None,
+                               help='Name of the zone for mixingPlanePatch')                                     
         self.parser.add_option("--coordinateSystemName",
                                action="store",
                                dest="coordinateSystemName",
@@ -68,11 +73,11 @@ Change MixingPlane boundary condition parameters
                                dest="ribbonPatchStackAxis",
                                default=None,
                                help='ribbonPatch stackAxis (X|Y|Z|R|Theta')
-        self.parser.add_option("--ribbonPatchDiscretization",
+        self.parser.add_option("--ribbonPatchDiscretisation",
                                action="store",
-                               dest="ribbonPatchDiscretization",
+                               dest="ribbonPatchDiscretisation",
                                default=None,
-                               help='ribbonPatch discretization (masterPatch|slavePatch|bothPatches|uniform|userDefined)')
+                               help='ribbonPatch discretisation (masterPatch|slavePatch|bothPatches|uniform|userDefined)')
         
         self.parser.add_option("--test",
                                action="store_true",
@@ -102,6 +107,9 @@ Change MixingPlane boundary condition parameters
                     if self.parser.getOptions().shadowPatch!=None:
                         val["shadowPatch"]=self.parser.getOptions().shadowPatch
 
+                    if self.parser.getOptions().zone!=None:
+                        val["zone"]=self.parser.getOptions().zone
+
                     if val.has_key("coordinateSystem")==False:
                         val["coordinateSystem"]={}
 
@@ -129,8 +137,8 @@ Change MixingPlane boundary condition parameters
                     if self.parser.getOptions().ribbonPatchStackAxis!=None:
                         val["ribbonPatch"]["stackAxis"]=self.parser.getOptions().ribbonPatchStackAxis
 
-                    if self.parser.getOptions().ribbonPatchDiscretization!=None:
-                        val["ribbonPatch"]["discretization"]=self.parser.getOptions().ribbonPatchDiscretization
+                    if self.parser.getOptions().ribbonPatchDiscretisation!=None:
+                        val["ribbonPatch"]["discretisation"]=self.parser.getOptions().ribbonPatchDiscretisation
 
                 break
 
diff --git a/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ConvertMixingPlaneBoundaryToNewSyntax.py b/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ConvertMixingPlaneBoundaryToNewSyntax.py
index e69de7785..c73c9f609 100644
--- a/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ConvertMixingPlaneBoundaryToNewSyntax.py
+++ b/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/ConvertMixingPlaneBoundaryToNewSyntax.py
@@ -118,21 +118,24 @@ Change MixingPlane boundary condition parameters
 
                 if bnd[indexDefPatch].has_key("ribbonPatch")==False:
                     bnd[indexDefPatch]["ribbonPatch"]={}
+                    
+                if bnd[indexDefPatch].has_key("zone")==False:
+                    bnd[indexDefPatch]["zone"]=bnd[index] + "Zone"
 
                 if oldAssembly != "":
-                    # Converting "assembly" to ribbonPatch/discretization    
+                    # Converting "assembly" to ribbonPatch/discretisation    
                     for case in switch(oldAssembly):
                         if case('master'):
-                            bnd[indexDefPatch]["ribbonPatch"]["discretization"]="masterPatch"
+                            bnd[indexDefPatch]["ribbonPatch"]["discretisation"]="masterPatch"
                             break
                         if case('slave'):
-                            bnd[indexDefPatch]["ribbonPatch"]["discretization"]="slavePatch"
+                            bnd[indexDefPatch]["ribbonPatch"]["discretisation"]="slavePatch"
                             break
                         if case('both'):
-                            bnd[indexDefPatch]["ribbonPatch"]["discretization"]="bothPatches"
+                            bnd[indexDefPatch]["ribbonPatch"]["discretisation"]="bothPatches"
                             break
                         if case('userdefined'):
-                            bnd[indexDefPatch]["ribbonPatch"]["discretization"]="userDefined"
+                            bnd[indexDefPatch]["ribbonPatch"]["discretisation"]="userDefined"
                             break
                         if case(): # default
                             print "Unsupported assembly type: ", oldAssembly
diff --git a/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/InitMixingPlaneInterface.py b/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/InitMixingPlaneInterface.py
index b213dbbc1..f35e20073 100644
--- a/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/InitMixingPlaneInterface.py
+++ b/ThirdParty/LocalDev/Hydro-Quebec/PyFoam/InitMixingPlaneInterface.py
@@ -72,11 +72,11 @@ Init MixingPlane boundary condition parameters
                                dest="ribbonPatchStackAxis",
                                default=None,
                                help='ribbonPatch stackAxis (X|Y|Z|R|Theta')
-        self.parser.add_option("--ribbonPatchDiscretization",
+        self.parser.add_option("--ribbonPatchDiscretisation",
                                action="store",
-                               dest="ribbonPatchDiscretization",
+                               dest="ribbonPatchDiscretisation",
                                default=None,
-                               help='ribbonPatch discretization (masterPatch|slavePatch|bothPatches|uniform|userDefined)')
+                               help='ribbonPatch discretisation (masterPatch|slavePatch|bothPatches|uniform|userDefined)')
 
         self.parser.add_option("--timeDirs",
                                action="store",
@@ -111,7 +111,7 @@ the current definition
             'ribbonPatch' : {
                 'sweepAxis'      : 'Theta',
                 'stackAxis'      : 'Z',
-                'discretization' : 'bothPatches',
+                'discretisation' : 'bothPatches',
                 }
             }
         return newPatch
@@ -151,8 +151,8 @@ Modify the definition of a mixingPlane patch
         if self.parser.getOptions().ribbonPatchStackAxis!=None:
             patch["ribbonPatch"]["stackAxis"]=self.parser.getOptions().ribbonPatchStackAxis
 
-        if self.parser.getOptions().ribbonPatchDiscretization!=None:
-            patch["ribbonPatch"]["discretization"]=self.parser.getOptions().ribbonPatchDiscretization
+        if self.parser.getOptions().ribbonPatchDiscretisation!=None:
+            patch["ribbonPatch"]["discretisation"]=self.parser.getOptions().ribbonPatchDiscretisation