diff --git a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/reactingCloud1Properties b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/reactingCloud1Properties
index 91b20eee70e0e31a2b2c602b95ecd7581809aa31..1de9320ac1ad84e40ae98d77419d38d6289d429e 100644
--- a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/reactingCloud1Properties
+++ b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/reactingCloud1Properties
@@ -89,6 +89,8 @@ subModels
 
     phaseChangeModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel thermoSurfaceFilm;
 
     radiation       off;
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/reactingCloud1Properties b/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/reactingCloud1Properties
index 91b20eee70e0e31a2b2c602b95ecd7581809aa31..1de9320ac1ad84e40ae98d77419d38d6289d429e 100644
--- a/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/reactingCloud1Properties
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/reactingCloud1Properties
@@ -89,6 +89,8 @@ subModels
 
     phaseChangeModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel thermoSurfaceFilm;
 
     radiation       off;
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/reactingCloud1Properties b/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/reactingCloud1Properties
index 91b20eee70e0e31a2b2c602b95ecd7581809aa31..1de9320ac1ad84e40ae98d77419d38d6289d429e 100644
--- a/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/reactingCloud1Properties
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/reactingCloud1Properties
@@ -89,6 +89,8 @@ subModels
 
     phaseChangeModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel thermoSurfaceFilm;
 
     radiation       off;
diff --git a/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties b/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
index aa8b02241a5b7ed42e112ad151f2340bb5ea59db..6b759cd17e3e038b3f29bdac510f4dc3b72e4621 100644
--- a/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
@@ -144,6 +144,8 @@ subModels
 
     surfaceReactionModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     radiation       off;
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
index bc122d0a3791682a799e6ab51be69453dafc5428..77742fd0180b23d33f2337fd6a4d93a8d5711ddb 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/coalCloud1Properties
@@ -117,6 +117,8 @@ subModels
 
     devolatilisationModel constantRateDevolatilisation;
 
+    stochasticCollisionModel none;
+
     surfaceReactionModel COxidationKineticDiffusionLimitedRate;
 
     surfaceFilmModel none;
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties
index 0517933f4d4b7470debddaedb58196a8662a04ad..1177f8fc321c5ec9277ae8a9816a8150dedf3f33 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/limestoneCloud1Properties
@@ -104,6 +104,8 @@ subModels
 
     heatTransferModel RanzMarshall;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     radiation       on;
diff --git a/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperEmptying/constant/kinematicCloudProperties b/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperEmptying/constant/kinematicCloudProperties
index 36014706556c8524d4ff3e3ab9b26cfb0c95518d..20eed6f6e0e785cd4e37eeb988c69c98396ada00 100644
--- a/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperEmptying/constant/kinematicCloudProperties
+++ b/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperEmptying/constant/kinematicCloudProperties
@@ -70,6 +70,8 @@ subModels
 
     heatTransferModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     collisionModel pairCollision;
diff --git a/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperInitialState/constant/kinematicCloudProperties b/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperInitialState/constant/kinematicCloudProperties
index fbd8c9f174c499ac0d2829f7e958bc6ae1702691..b24dcb63b23eba2f077124ac95e021fd7d0744a8 100644
--- a/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperInitialState/constant/kinematicCloudProperties
+++ b/tutorials/lagrangian/icoUncoupledKinematicParcelFoam/hopper/hopperInitialState/constant/kinematicCloudProperties
@@ -80,6 +80,8 @@ subModels
 
     heatTransferModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     collisionModel pairCollision;
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/reactingCloud1Properties
index 68e6be961fcf77de5a29026e74b7ae2c5f7d9773..45ae8875b737fc122940315d9d3ff594744a9512 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/reactingCloud1Properties
@@ -101,6 +101,8 @@ subModels
 
     phaseChangeModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel thermoSurfaceFilm;
 
     radiation       off;
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/reactingCloud1Properties
index a4d326c0411c0f9831860b14739a1294fa5cac6d..fb559463aade92aabea4545fd8a48dde00ba5646 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/reactingCloud1Properties
@@ -123,6 +123,8 @@ subModels
 
     phaseChangeModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel thermoSurfaceFilm;
 
     radiation       off;
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/reactingCloud1Properties
index b59b42445e9092a2997977b7433fd3d158f968d4..c25468b554f13ea9ffe18c18a972fb1a5538385a 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/reactingCloud1Properties
@@ -101,6 +101,8 @@ subModels
 
     phaseChangeModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel thermoSurfaceFilm;
 
     radiation       off;
diff --git a/tutorials/lagrangian/reactingParcelFoam/filter/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFoam/filter/constant/reactingCloud1Properties
index cb6c2dd3becd14a73d94c1392f5671307b8e7898..5a1582cead67ec7a347edce8a3fc920e365ef92b 100644
--- a/tutorials/lagrangian/reactingParcelFoam/filter/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFoam/filter/constant/reactingCloud1Properties
@@ -110,6 +110,8 @@ subModels
 
     surfaceReactionModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     radiation       off;
diff --git a/tutorials/lagrangian/reactingParcelFoam/parcelInBox/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFoam/parcelInBox/constant/reactingCloud1Properties
index 56b0a2d3e7c473f1316a983cbfa0e1aed79c467d..478bbe13595bf8beb9ee5c04f6b1970a70f44ce7 100644
--- a/tutorials/lagrangian/reactingParcelFoam/parcelInBox/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFoam/parcelInBox/constant/reactingCloud1Properties
@@ -118,6 +118,8 @@ subModels
 
     surfaceReactionModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     radiation       off;
diff --git a/tutorials/lagrangian/reactingParcelFoam/verticalChannel/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
index b4d1d9abdf50879e95417c9dbe5aac5e873ca786..47cd1a3bb693eec15eb18a46377e26275325fa76 100644
--- a/tutorials/lagrangian/reactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
@@ -139,6 +139,8 @@ subModels
 
     surfaceReactionModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     radiation       off;
diff --git a/tutorials/lagrangian/simpleReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties b/tutorials/lagrangian/simpleReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
index aa8b02241a5b7ed42e112ad151f2340bb5ea59db..6b759cd17e3e038b3f29bdac510f4dc3b72e4621 100644
--- a/tutorials/lagrangian/simpleReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/simpleReactingParcelFoam/verticalChannel/constant/reactingCloud1Properties
@@ -144,6 +144,8 @@ subModels
 
     surfaceReactionModel none;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     radiation       off;
diff --git a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/sprayCloudProperties b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/sprayCloudProperties
index 0ce1e3bbc8a22230ffde01e1393f55c4e6c05deb..dc08a39d09b9ecbab2837cc9282400335c5b5ef0 100644
--- a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/sprayCloudProperties
+++ b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/sprayCloudProperties
@@ -161,14 +161,14 @@ subModels
 
     phaseChangeModel liquidEvaporationBoil;
 
+    stochasticCollisionModel none;
+
     surfaceFilmModel none;
 
     atomizationModel none;
 
     breakupModel    ReitzDiwakar; // ReitzKHRT;
 
-    stochasticCollisionModel none;
-
     radiation       off;
 
     standardWallInteractionCoeffs