diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/T b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/T
new file mode 100644
index 0000000000000000000000000000000000000000..2f930360fd37896b527889abe6270f3643cca6e6
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/T
@@ -0,0 +1,48 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    object      T;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 0 0 1 0 0 0];
+
+internalField   uniform 265;
+
+boundaryField
+{
+    ground
+    {
+        type            fixedValue;
+        value           uniform 265;
+    }
+
+    igloo_region0
+    {
+        type            fixedValue;
+        value           uniform 265;
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            fixedValue;
+        value           uniform 303;
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            fixedValue;
+        value           uniform 303;
+    }
+}
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/U b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/U
new file mode 100644
index 0000000000000000000000000000000000000000..5d70f2a9c021a7c55ded01f6296f0113bb31029b
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/U
@@ -0,0 +1,48 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volVectorField;
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform (0 0 0);
+
+boundaryField
+{
+    ground
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+
+    igloo_region0
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            fixedValue;
+        value           uniform (0 0 0);
+    }
+}
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/alphat b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/alphat
new file mode 100644
index 0000000000000000000000000000000000000000..acdcda178a7d947cf732c6668ddf055b5bc51d05
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/alphat
@@ -0,0 +1,50 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      alphat;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -1 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    ground
+    {
+        type            alphatWallFunction;
+        value           uniform 0;
+    }
+
+    igloo_region0
+    {
+        type            alphatWallFunction;
+        value           uniform 0;
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            alphatWallFunction;
+        value           uniform 0;
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            alphatWallFunction;
+        value           uniform 0;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/epsilon b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/epsilon
new file mode 100644
index 0000000000000000000000000000000000000000..0fa9bf60f265f63d0b0c957fc39f70ec920c8323
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/epsilon
@@ -0,0 +1,50 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      epsilon;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -3 0 0 0 0];
+
+internalField   uniform 0.01;
+
+boundaryField
+{
+    ground
+    {
+        type            epsilonWallFunction;
+        value           uniform 0.01;
+    }
+
+    igloo_region0
+    {
+        type            epsilonWallFunction;
+        value           uniform 0.01;
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            epsilonWallFunction;
+        value           uniform 0.01;
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            epsilonWallFunction;
+        value           uniform 0.01;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/k b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/k
new file mode 100644
index 0000000000000000000000000000000000000000..bd0cf46f0db295c3f0170202b33472417c20bca3
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/k
@@ -0,0 +1,50 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      k;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -2 0 0 0 0];
+
+internalField   uniform 0.1;
+
+boundaryField
+{
+    ground
+    {
+        type            kQRWallFunction;
+        value           uniform 0.1;
+    }
+
+    igloo_region0
+    {
+        type            kQRWallFunction;
+        value           uniform 0.1;
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            kQRWallFunction;
+        value           uniform 0.1;
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            kQRWallFunction;
+        value           uniform 0.1;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/nut b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/nut
new file mode 100644
index 0000000000000000000000000000000000000000..e9e5f16e555dccc27b4fd7c11b0b4877afc1bb4f
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/nut
@@ -0,0 +1,50 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      nut;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -1 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    ground
+    {
+        type            nutWallFunction;
+        value           uniform 0;
+    }
+
+    igloo_region0
+    {
+        type            nutWallFunction;
+        value           uniform 0;
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            nutWallFunction;
+        value           uniform 0;
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            nutWallFunction;
+        value           uniform 0;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/p b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/p
new file mode 100644
index 0000000000000000000000000000000000000000..2b90b18e74e8b30535be502ed783da524727c7df
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/0/p
@@ -0,0 +1,52 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      http://www.OpenFOAM.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    object      p;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    ground
+    {
+        type            fixedFluxBuoyantPressure;
+        rho             rhok;
+        value           uniform 0;
+    }
+
+    igloo_region0
+    {
+        type            fixedFluxBuoyantPressure;
+        rho             rhok;
+        value           uniform 0;
+    }
+
+    twoFridgeFreezers_seal_0
+    {
+        type            fixedFluxBuoyantPressure;
+        rho             rhok;
+        value           uniform 0;
+    }
+
+    twoFridgeFreezers_herring_1
+    {
+        type            fixedFluxBuoyantPressure;
+        rho             rhok;
+        value           uniform 0;
+    }
+}
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/Allrun b/tutorials/mesh/snappyHexMesh/iglooWithFridges/Allrun
new file mode 100755
index 0000000000000000000000000000000000000000..79dc3f4b95e1f1dff9646fd6dd1ba9fa3bbae4ac
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/Allrun
@@ -0,0 +1,9 @@
+#!/bin/sh
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+runApplication blockMesh
+runApplication snappyHexMesh -overwrite
+runApplication setFields
+runApplication buoyantBoussinesqSimpleFoam
+
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/RASProperties b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/RASProperties
new file mode 100644
index 0000000000000000000000000000000000000000..35b5a409f230c180f07469bfe0679cdf00cb419d
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/RASProperties
@@ -0,0 +1,100 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    location    "constant";
+    object      RASProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+RASModel        kEpsilon;
+
+turbulence      on;
+
+printCoeffs     on;
+
+laminarCoeffs
+{
+}
+
+kEpsilonCoeffs
+{
+    Cmu             0.09;
+    C1              1.44;
+    C2              1.92;
+    C3              0.85;
+    alphah          1;
+    alphak          1;
+    alphaEps        0.76923;
+}
+
+RNGkEpsilonCoeffs
+{
+    Cmu             0.0845;
+    C1              1.42;
+    C2              1.68;
+    C3              -0.33;
+    alphah          1;
+    alphak          1.39;
+    alphaEps        1.39;
+    eta0            4.38;
+    beta            0.012;
+}
+
+LaunderSharmaKECoeffs
+{
+    Cmu             0.09;
+    C1              1.44;
+    C2              1.92;
+    C3              -0.33;
+    alphah          1;
+    alphak          1;
+    alphaEps        0.76923;
+}
+
+LRRCoeffs
+{
+    Cmu             0.09;
+    Clrr1           1.8;
+    Clrr2           0.6;
+    C1              1.44;
+    C2              1.92;
+    alphah          1;
+    Cs              0.25;
+    Ceps            0.15;
+    alphaR          1;
+    alphaEps        0.76923;
+}
+
+LaunderGibsonRSTMCoeffs
+{
+    Cmu             0.09;
+    Clg1            1.8;
+    Clg2            0.6;
+    C1              1.44;
+    C2              1.92;
+    alphah          1;
+    C1Ref           0.5;
+    C2Ref           0.3;
+    Cs              0.25;
+    Ceps            0.15;
+    alphaR          1;
+    alphaEps        0.76923;
+}
+
+wallFunctionCoeffs
+{
+    kappa           0.4187;
+    E               9;
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/environmentalProperties b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/environmentalProperties
new file mode 100644
index 0000000000000000000000000000000000000000..8ecb2a440203a35f242328826e7484e672012712
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/environmentalProperties
@@ -0,0 +1,20 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    location    "constant";
+    object      environmentalProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+g               g [0 1 -2 0 0 0 0] (0 0 -9.81);
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/polyMesh/blockMeshDict b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/polyMesh/blockMeshDict
index d97dbb8e268c425f32326827a59e880e05e07eda..39d94d804fadab1df4f1ac72260fbd477d5f9204 100644
--- a/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/polyMesh/blockMeshDict
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/polyMesh/blockMeshDict
@@ -40,27 +40,32 @@ edges
 
 patches
 (
-    patch maxY
+    empty maxY
     (
         (3 7 6 2)
     )
-    patch minX
+
+    empty minX
     (
         (0 4 7 3)
     )
-    patch maxX
+
+    empty maxX
     (
         (2 6 5 1)
     )
-    patch minY
+
+    empty minY
     (
         (1 5 4 0)
     )
-    patch minZ
+
+    wall ground
     (
         (0 3 2 1)
     )
-    patch maxZ
+
+    empty maxZ
     (
         (4 5 6 7)
     )
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/transportProperties b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/transportProperties
new file mode 100644
index 0000000000000000000000000000000000000000..f48fda19ccac705f76f1573b7ba40cce45abfd5b
--- /dev/null
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/constant/transportProperties
@@ -0,0 +1,42 @@
+/*---------------------------------------------------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.5.x                                 |
+|   \\  /    A nd           | Web:      http://www.openfoam.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          transportProperties;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+transportModel Newtonian;
+
+// Laminar viscosity
+nu              nu [0 2 -1 0 0 0 0] 1e-05;
+
+// Thermal expansion coefficient
+beta            beta [0 0 0 -1 0 0 0] 3e-03;
+
+// Reference temperature
+TRef            TRef [0 0 0 1 0 0 0] 300;
+
+// Laminar Prandtl number
+Pr              Pr [0 0 0 0 0 0 0] 0.9;
+
+// Turbulent Prandtl number
+Prt             Prt [0 0 0 0 0 0 0] 0.7;
+
+// ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/controlDict b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/controlDict
index ef80311ee11931792c1d637b6d45c5a9b75c24de..46e7cd00c334efd3d10a44f4e932cef57ccff22d 100644
--- a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/controlDict
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/controlDict
@@ -15,25 +15,25 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-startFrom       latestTime;
+startFrom       startTime;
 
 startTime       0;
 
 stopAt          endTime;
 
-endTime         100;
+endTime         1000;
 
 deltaT          1;
 
 writeControl    timeStep;
 
-writeInterval   1;
+writeInterval   100;
 
 purgeWrite      0;
 
 writeFormat     ascii;
 
-writePrecision  7;
+writePrecision  6;
 
 writeCompression uncompressed;
 
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSchemes b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSchemes
index 2fa85964b7e2113902ff5be6f03334f6777d84b6..b54bb8631600a594830b214816d8a858bcf83a02 100644
--- a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSchemes
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSchemes
@@ -17,33 +17,40 @@ FoamFile
 
 ddtSchemes
 {
-    default         Euler;
+    default         steadyState;
 }
 
 gradSchemes
 {
     default         Gauss linear;
-    grad(p)         Gauss linear;
 }
 
 divSchemes
 {
     default         none;
-    div(phi,U)      Gauss linear;
+    div(phi,U)      Gauss upwind;
+    div(phi,T)      Gauss upwind;
+    div(phi,k)      Gauss upwind;
+    div(phi,epsilon) Gauss upwind;
+    div(phi,R)      Gauss upwind;
+    div(R)          Gauss linear;
+    div((nuEff*dev(grad(U).T()))) Gauss linear;
 }
 
 laplacianSchemes
 {
     default         none;
-    laplacian(nu,U) Gauss linear corrected;
-    laplacian(1|A(U),p) Gauss linear corrected;
-    laplacian(diffusivity,cellMotionU) Gauss linear uncorrected;
+    laplacian(nuEff,U) Gauss linear corrected;
+    laplacian((1|A(U)),p) Gauss linear corrected;
+    laplacian(kappaEff,T) Gauss linear corrected;
+    laplacian(DkEff,k) Gauss linear corrected;
+    laplacian(DepsilonEff,epsilon) Gauss linear corrected;
+    laplacian(DREff,R) Gauss linear corrected;
 }
 
 interpolationSchemes
 {
     default         linear;
-    interpolate(HbyA) linear;
 }
 
 snGradSchemes
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSolution b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSolution
index 876c8c233f9dece81ca38c9186f66b783bae4ec9..c2053ee47d6e6890ba5dc9b2e9041cdd7eb269d5 100644
--- a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSolution
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/fvSolution
@@ -16,15 +16,73 @@ FoamFile
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 solvers
-{}
+{
+    p
+    {
+        solver          PCG;
+        preconditioner  DIC;
+        tolerance       1e-08;
+        relTol          0.01;
+    }
+
+    U
+    {
+        solver          PBiCG;
+        preconditioner  DILU;
+        tolerance       1e-05;
+        relTol          0.1;
+    }
+
+    T
+    {
+        solver          PBiCG;
+        preconditioner  DILU;
+        tolerance       1e-05;
+        relTol          0.1;
+    }
+
+    k
+    {
+        solver          PBiCG;
+        preconditioner  DILU;
+        tolerance       1e-05;
+        relTol          0.1;
+    }
+
+    epsilon
+    {
+        solver          PBiCG;
+        preconditioner  DILU;
+        tolerance       1e-05;
+        relTol          0.1;
+    }
 
-PISO
+    R
+    {
+        solver          PBiCG;
+        preconditioner  DILU;
+        tolerance       1e-05;
+        relTol          0.1;
+    }
+}
+
+SIMPLE
 {
-    nCorrectors     2;
     nNonOrthogonalCorrectors 0;
     pRefCell        0;
     pRefValue       0;
 }
 
+relaxationFactors
+{
+    rho             1;
+    p               0.3;
+    U               0.7;
+    T               0.7;
+    k               0.7;
+    epsilon         0.7;
+    R               0.7;
+}
+
 
 // ************************************************************************* //
diff --git a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/snappyHexMeshDict b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/snappyHexMeshDict
index 30da45333116a695a3d463d85d30aa98babc1b38..2f5d4049d690ca9918409324e33e014f049f7149 100644
--- a/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/snappyHexMeshDict
+++ b/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/snappyHexMeshDict
@@ -42,12 +42,13 @@ geometry
         min (0 0 0);
         max (1 1 1);
     }
+
     fridgeFreezer
     {
         type searchableSurfaceCollection;
 
         mergeSubRegions true;
-    
+
         freezer
         {
             surface box1;
@@ -73,12 +74,13 @@ geometry
             }
         }
     }
+
     twoFridgeFreezers
     {
         type searchableSurfaceCollection;
-    
+
         mergeSubRegions true;
-    
+
         seal
         {
             surface fridgeFreezer;