diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
index 8b4ca414ad..ff84a8b26c 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
@@ -26,10 +26,10 @@ solution
     {
         schemes
         {
-            rho             explicit;
-            U               explicit;
-            Yi              explicit;
-            hs              explicit;
+            rho             explicit 1;
+            U               explicit 1;
+            Yi              explicit 1;
+            hs              explicit 1;
         }
     }
 
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties
index 7676293a75..a70e2ed0b9 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties
@@ -26,8 +26,8 @@ solution
     {
         schemes
         {
-            U               explicit;
-            hs              explicit;
+            U               explicit 1;
+            hs              explicit 1;
         }
     }
 
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/reactingCloud1Properties b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/reactingCloud1Properties
index c1025505b5..60ed5924df 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/reactingCloud1Properties
@@ -26,10 +26,10 @@ solution
     {
         schemes
         {
-            rho             explicit;
-            U               explicit;
-            Yi              explicit;
-            hs              explicit;
+            rho             explicit 1;
+            U               explicit 1;
+            Yi              explicit 1;
+            hs              explicit 1;
         }
     }
 
@@ -125,15 +125,7 @@ subModels
     {
         patches
         (
-            walls
-            {
-                type        rebound;
-            }
-            cycLeft_half0
-            {
-                type        rebound;
-            }
-            cycLeft_half1
+            "(walls|cyc.*)"
             {
                 type        rebound;
             }
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/reactingCloud1Properties b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/reactingCloud1Properties
index db94abd0f8..2e886ead21 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/reactingCloud1Properties
@@ -26,10 +26,10 @@ solution
     {
         schemes
         {
-            rho             explicit;
-            U               explicit;
-            Yi              explicit;
-            hs              explicit;
+            rho             explicit 1;
+            U               explicit 1;
+            Yi              explicit 1;
+            hs              explicit 1;
         }
     }
 
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/system/fvSolution b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/system/fvSolution
index 4d968d60c5..5151a8d8f9 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/system/fvSolution
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/system/fvSolution
@@ -34,7 +34,7 @@ solvers
         agglomerator     faceAreaPair;
         mergeLevels      1;
 
-        maxIter          100;
+        maxIter          20;
     };
     pFinal
     {
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
index 4d8a02f0bb..31418b6c0d 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
@@ -26,10 +26,10 @@ solution
     {
         schemes
         {
-            rho             explicit;
-            U               explicit;
-            Yi              explicit;
-            hs              explicit;
+            rho             explicit 1;
+            U               explicit 1;
+            Yi              explicit 1;
+            hs              explicit 1;
         }
     }
 
diff --git a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/reactingCloud1Properties
index f49cbb914f..a249360ee3 100644
--- a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/reactingCloud1Properties
@@ -26,10 +26,10 @@ solution
     {
         schemes
         {
-            rho             explicit;
-            U               explicit;
-            Yi              explicit;
-            hs              explicit;
+            rho             explicit 1;
+            U               explicit 1;
+            Yi              explicit 1;
+            hs              explicit 1;
         }
     }
 
diff --git a/tutorials/lagrangian/rhoPisoTwinParcelFoam/rhoPisoTwinParcelFoam/Make/options b/tutorials/lagrangian/rhoPisoTwinParcelFoam/rhoPisoTwinParcelFoam/Make/options
index bb5791463c..e9e6907d81 100644
--- a/tutorials/lagrangian/rhoPisoTwinParcelFoam/rhoPisoTwinParcelFoam/Make/options
+++ b/tutorials/lagrangian/rhoPisoTwinParcelFoam/rhoPisoTwinParcelFoam/Make/options
@@ -14,7 +14,8 @@ EXE_INC = \
     -I$(LIB_SRC)/thermophysicalModels/radiationModels/lnInclude \
     -I$(LIB_SRC)/turbulenceModels/compressible/turbulenceModel \
     -I$(LIB_SRC)/meshTools/lnInclude \
-    -I$(LIB_SRC)/surfaceFilmModels/lnInclude
+    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
+    -I$(LIB_SRC)/regionModels/surfaceFilmModels/lnInclude
 
 EXE_LIBS = \
     -llagrangian \
@@ -29,4 +30,5 @@ EXE_LIBS = \
     -lradiationModels \
     -lcompressibleRASModels \
     -lcompressibleLESModels \
+    -lregionModels \
     -lsurfaceFilmModels
diff --git a/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/kinematicCloud1Properties b/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/kinematicCloud1Properties
index f5de50c4ca..85d0ee01d2 100644
--- a/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/kinematicCloud1Properties
+++ b/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/kinematicCloud1Properties
@@ -26,7 +26,7 @@ solution
     {
         schemes
         {
-            U               explicit;
+            U               explicit 1;
         }
     }
 
diff --git a/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/thermoCloud1Properties b/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/thermoCloud1Properties
index 01cc6bd7b0..d7d6897c26 100644
--- a/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/thermoCloud1Properties
+++ b/tutorials/lagrangian/rhoPisoTwinParcelFoam/simplifiedSiwek/constant/thermoCloud1Properties
@@ -26,8 +26,8 @@ solution
     {
         schemes
         {
-            U               explicit;
-            hs              explicit;
+            U               explicit 1;
+            hs              explicit 1;
         }
     }