diff --git a/applications/solvers/multiphase/bubbleFoam/alphaEqn.H b/applications/solvers/multiphase/bubbleFoam/alphaEqn.H
index 065aa19c6c93e1f02c327f3e98b2eb149c0f7ad3..a985c6eb95e1c9c5eb11c531912503351e19296c 100644
--- a/applications/solvers/multiphase/bubbleFoam/alphaEqn.H
+++ b/applications/solvers/multiphase/bubbleFoam/alphaEqn.H
@@ -46,3 +46,5 @@
         << "  Max(alpha) = " << max(alpha).value()
         << endl;
 }
+
+rho = alpha*rhoa + beta*rhob;
diff --git a/applications/solvers/multiphase/bubbleFoam/createFields.H b/applications/solvers/multiphase/bubbleFoam/createFields.H
index 9aca6933fc300f754f064f3b2ad95c05168e7fdd..9367838a52bcfa3d43337c70396d7c865e4c2504 100644
--- a/applications/solvers/multiphase/bubbleFoam/createFields.H
+++ b/applications/solvers/multiphase/bubbleFoam/createFields.H
@@ -156,6 +156,16 @@
       + fvc::interpolate(beta)*phib
     );
 
+    volScalarField rho
+    (
+        IOobject
+        (
+            "rho",
+            runTime.timeName(),
+            mesh
+        ),
+        alpha*rhoa + beta*rhob
+    );
 
     #include "createRASTurbulence.H"
 
diff --git a/applications/solvers/multiphase/twoPhaseEulerFoam/alphaEqn.H b/applications/solvers/multiphase/twoPhaseEulerFoam/alphaEqn.H
index e8b056ed7e8b4b39099790cb2b922b5540eb1a69..47057c0efb44ce9bfa26e50a70fc0588dd3df682 100644
--- a/applications/solvers/multiphase/twoPhaseEulerFoam/alphaEqn.H
+++ b/applications/solvers/multiphase/twoPhaseEulerFoam/alphaEqn.H
@@ -52,3 +52,5 @@
             << endl;
     }
 }
+
+rho = alpha*rhoa + beta*rhob;
diff --git a/applications/solvers/multiphase/twoPhaseEulerFoam/createFields.H b/applications/solvers/multiphase/twoPhaseEulerFoam/createFields.H
index 1fdaf944bb4dcfa00a07a3c51fbe5e26ef69afb7..8a176157152c6b3042870796b53644f7e467aeaf 100644
--- a/applications/solvers/multiphase/twoPhaseEulerFoam/createFields.H
+++ b/applications/solvers/multiphase/twoPhaseEulerFoam/createFields.H
@@ -145,6 +145,16 @@
         fvc::interpolate(alpha)*phia + fvc::interpolate(beta)*phib
     );
 
+    volScalarField rho
+    (
+        IOobject
+        (
+            "rho",
+            runTime.timeName(),
+            mesh
+        ),
+        alpha*rhoa + beta*rhob
+    );
 
     IOdictionary RASProperties
     (
diff --git a/tutorials/multiphase/cavitatingFoam/ras/throttle/constant/polyMesh/boundary b/tutorials/multiphase/cavitatingFoam/ras/throttle/constant/polyMesh/boundary
index 59f24d80d0f357d27a4b9bfd10777011d610ffa8..03d26bcf3c96c86ca8ecf11604193892ebc80d29 100644
--- a/tutorials/multiphase/cavitatingFoam/ras/throttle/constant/polyMesh/boundary
+++ b/tutorials/multiphase/cavitatingFoam/ras/throttle/constant/polyMesh/boundary
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  1.5                                   |
-|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
@@ -21,25 +21,25 @@ FoamFile
     {
         type            patch;
         nFaces          51;
-        startFace       15151;
+        startFace       57362;
     }
     outlet
     {
         type            patch;
         nFaces          51;
-        startFace       15202;
+        startFace       57413;
     }
     walls
     {
         type            wall;
-        nFaces          436;
-        startFace       15253;
+        nFaces          836;
+        startFace       57464;
     }
     frontBack
     {
         type            empty;
-        nFaces          15420;
-        startFace       15689;
+        nFaces          57540;
+        startFace       58300;
     }
 )