diff --git a/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.C b/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.C
index e748f72077fb7bdaec4f178441bdf082c6cdbc29..80e0dea37d5faa8b9914f8dbe23707954ba5c52b 100644
--- a/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.C
+++ b/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.C
@@ -28,6 +28,7 @@ License
 #include "WallInteractionModel.H"
 #include "InflowBoundaryModel.H"
 #include "constants.H"
+#include "zeroGradientFvPatchFields.H"
 
 using namespace Foam::constant;
 
@@ -459,6 +460,8 @@ void Foam::DsmcCloud<ParcelType>::collisions()
 
     reduce(collisionCandidates, sumOp<label>());
 
+    sigmaTcRMax_.correctBoundaryConditions();
+
     if (collisionCandidates)
     {
         Info<< "    Collisions                      = "
@@ -550,6 +553,8 @@ void Foam::DsmcCloud<ParcelType>::calculateFields()
     rhoM *= nParticle_/mesh().cellVolumes();
     rhoM_.correctBoundaryConditions();
 
+    dsmcRhoN_.correctBoundaryConditions();
+
     linearKE *= nParticle_/mesh().cellVolumes();
     linearKE_.correctBoundaryConditions();
 
@@ -851,7 +856,8 @@ Foam::DsmcCloud<ParcelType>::DsmcCloud
             IOobject::AUTO_WRITE
         ),
         mesh_,
-        dimensionedScalar("zero",  dimensionSet(0, 3, -1, 0, 0), 0.0)
+        dimensionedScalar("zero",  dimensionSet(0, 3, -1, 0, 0), 0.0),
+        zeroGradientFvPatchScalarField::typeName
     ),
     collisionSelectionRemainder_(),
     q_
diff --git a/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.H b/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.H
index 1df4935f6850e72e8ed47f3674b93533f2d61d27..aba26e7bf83ad714a05bcf9a57283800626fa3d2 100644
--- a/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.H
+++ b/src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.H
@@ -83,10 +83,10 @@ class DsmcCloud
         //- Dictionary of particle properties
         IOdictionary particleProperties_;
 
-        //- A list of unique instances of molecule types in the simulation.
-        // The position of an entry in the list maps to the label identifying
-        // the typeId, i.e. where typeIdList_ = (N2 O2 CO2)
-        // N2 has typeId label = 0, O2 = 1, CO2 = 2.
+        //- A list of unique instances of molecule types in the
+        //  simulation.  The position of an entry in the list maps to
+        //  the label identifying the typeId, i.e. where typeIdList_ =
+        //  (N2 O2 CO2) N2 has typeId label = 0, O2 = 1, CO2 = 2.
         List<word> typeIdList_;
 
         //- Number of real atoms/molecules represented by a parcel
@@ -95,9 +95,9 @@ class DsmcCloud
         //- A data structure holding which particles are in which cell
         List<DynamicList<ParcelType*> > cellOccupancy_;
 
-        //- An IOField holding the value of (sigmaT * cR)max for each cell (see
-        // Bird p220). Initialised with the parcels, updated as required, and
-        // read in on start/restart.
+        //- A field holding the value of (sigmaT * cR)max for each
+        //  cell (see Bird p220). Initialised with the parcels,
+        //  updated as required, and read in on start/restart.
         volScalarField sigmaTcRMax_;
 
         //- A field holding the remainder from the previous collision selections
diff --git a/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionConstraint/fixedAxis/fixedAxis.H b/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionConstraint/fixedAxis/fixedAxis.H
index 6a17da99c928816c57220ea569b02452c144b590..c068bea3005ecd05a4724e3e164b43ce3f349d9d 100644
--- a/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionConstraint/fixedAxis/fixedAxis.H
+++ b/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionConstraint/fixedAxis/fixedAxis.H
@@ -25,8 +25,8 @@ Class
     Foam::sixDoFRigidBodyMotionConstraints::fixedAxis
 
 Description
-    sixDoFRigidBodyMotionConstraint.  Axis of body fixed global
-    space.
+    sixDoFRigidBodyMotionConstraint.  Body may only rotate around
+    an axis fixed in global space.
 
 SourceFiles
     fixedAxis.C
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
index b0c1390c4b95f1b672959b1013a9917c47b7155a..5cce898e22b9cf8b609d278b3824c09a72d80f75 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
@@ -221,24 +221,13 @@ void epsilonWallFunctionFvPatchScalarField::updateCoeffs()
     {
         label faceCellI = patch().faceCells()[faceI];
 
-        scalar yPlus =
-            Cmu25*y[faceI]*sqrt(k[faceCellI])
-           /(muw[faceI]/rhow[faceI]);
-
         epsilon[faceCellI] = Cmu75*pow(k[faceCellI], 1.5)/(kappa_*y[faceI]);
 
-        if (yPlus > yPlusLam_)
-        {
-            G[faceCellI] =
-                (mutw[faceI] + muw[faceI])
-               *magGradUw[faceI]
-               *Cmu25*sqrt(k[faceCellI])
-               /(kappa_*y[faceI]);
-        }
-        else
-        {
-            G[faceCellI] = 0.0;
-        }
+        G[faceCellI] =
+            (mutw[faceI] + muw[faceI])
+           *magGradUw[faceI]
+           *Cmu25*sqrt(k[faceCellI])
+           /(kappa_*y[faceI]);
     }
 
     fixedInternalValueFvPatchField<scalar>::updateCoeffs();
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
index d8437b07c54e6a54c44535dbe770d8bda0727053..1ab15d336fb6a2c8218a6714f2d175925eb091ca 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
@@ -223,28 +223,15 @@ void omegaWallFunctionFvPatchScalarField::updateCoeffs()
     {
         label faceCellI = patch().faceCells()[faceI];
 
-        scalar yPlus =
-            Cmu25*y[faceI]*sqrt(k[faceCellI])
-           /(muw[faceI]/rhow[faceI]);
-
         scalar omegaVis = 6.0*muw[faceI]/(rhow[faceI]*beta1_*sqr(y[faceI]));
-
         scalar omegaLog = sqrt(k[faceCellI])/(Cmu25*kappa_*y[faceI]);
-
         omega[faceCellI] = sqrt(sqr(omegaVis) + sqr(omegaLog));
 
-        if (yPlus > yPlusLam_)
-        {
-            G[faceCellI] =
-                (mutw[faceI] + muw[faceI])
-               *magGradUw[faceI]
-               *Cmu25*sqrt(k[faceCellI])
-               /(kappa_*y[faceI]);
-        }
-        else
-        {
-            G[faceCellI] = 0.0;
-        }
+        G[faceCellI] =
+            (mutw[faceI] + muw[faceI])
+           *magGradUw[faceI]
+           *Cmu25*sqrt(k[faceCellI])
+           /(kappa_*y[faceI]);
     }
 
     fixedInternalValueFvPatchField<scalar>::updateCoeffs();
diff --git a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
index e90118f7998e6e61e338cc79f8f1ed6ac425ada8..55a309f8abfc932d93cfa3fd9eccbc92491ba934 100644
--- a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
@@ -214,22 +214,13 @@ void epsilonWallFunctionFvPatchScalarField::updateCoeffs()
     {
         label faceCellI = patch().faceCells()[faceI];
 
-        scalar yPlus = Cmu25*y[faceI]*sqrt(k[faceCellI])/nuw[faceI];
-
         epsilon[faceCellI] = Cmu75*pow(k[faceCellI], 1.5)/(kappa_*y[faceI]);
 
-        if (yPlus > yPlusLam_)
-        {
-            G[faceCellI] =
-                (nutw[faceI] + nuw[faceI])
-               *magGradUw[faceI]
-               *Cmu25*sqrt(k[faceCellI])
-               /(kappa_*y[faceI]);
-        }
-        else
-        {
-            G[faceCellI] = 0.0;
-        }
+        G[faceCellI] =
+            (nutw[faceI] + nuw[faceI])
+           *magGradUw[faceI]
+           *Cmu25*sqrt(k[faceCellI])
+           /(kappa_*y[faceI]);
     }
 
     fixedInternalValueFvPatchField<scalar>::updateCoeffs();
diff --git a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
index 51622da14c91c67d30bc2feee8b7a88cf6adb08a..5bd1ab97b10358b01dea2dc27cf097e75450310f 100644
--- a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
@@ -219,26 +219,17 @@ void omegaWallFunctionFvPatchScalarField::updateCoeffs()
     {
         label faceCellI = patch().faceCells()[faceI];
 
-        scalar yPlus = Cmu25*y[faceI]*sqrt(k[faceCellI])/nuw[faceI];
-
         scalar omegaVis = 6.0*nuw[faceI]/(beta1_*sqr(y[faceI]));
 
         scalar omegaLog = sqrt(k[faceCellI])/(Cmu25*kappa_*y[faceI]);
 
         omega[faceCellI] = sqrt(sqr(omegaVis) + sqr(omegaLog));
 
-        if (yPlus > yPlusLam_)
-        {
-            G[faceCellI] =
-                (nutw[faceI] + nuw[faceI])
-               *magGradUw[faceI]
-               *Cmu25*sqrt(k[faceCellI])
-               /(kappa_*y[faceI]);
-        }
-        else
-        {
-            G[faceCellI] = 0.0;
-        }
+        G[faceCellI] =
+            (nutw[faceI] + nuw[faceI])
+           *magGradUw[faceI]
+           *Cmu25*sqrt(k[faceCellI])
+           /(kappa_*y[faceI]);
     }
 
     fixedInternalValueFvPatchField<scalar>::updateCoeffs();