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tutorials/mesh/foamyHexMesh/Allrun

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+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+
+(
+    cd blob || exit
+    ./Allrun
+)
+(
+    cd flange || exit
+    ./Allrun
+)
+(
+    cd simpleShapes || exit
+    ./Allrun
+)
+(
+    cd mixerVessel || exit
+    ./Allrun
+)
+
+exit 0
+
+# Any cases that are links to solver test cases and are run when the Allrun
+# scripts of those solvers are run.
+
+# This dummy Allrun script avoids meshing these cases twice.
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/blob/Allclean

@@ -0,0 +1,27 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/CleanFunctions
+
+cleanCase
+
+rm -rf 0 > /dev/null 2>&1
+
+rm -rf constant/triSurface/blob.stl.gz > /dev/null 2>&1
+
+rm -rf constant/cellAlignments > /dev/null 2>&1
+rm -rf constant/targetCellSize > /dev/null 2>&1
+rm -rf constant/internalDelaunayVertices > /dev/null 2>&1
+
+rm -rf constant/backgroundMeshDecomposition/polyMesh/boundary > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/faces > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/neighbour > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/owner > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/points > /dev/null 2>&1
+
+rm -rf snapToSurface?.obj > /dev/null 2>&1
+rm -rf tetsToSnapTo.obj > /dev/null 2>&1
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/blob/Allrun

@@ -0,0 +1,21 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# copy flange surface from resources directory
+cp $FOAM_TUTORIALS/resources/geometry/blob.stl.gz constant/triSurface/
+
+runApplication foamyHexMesh
+
+runApplication collapseEdges -latestTime -collapseFaces
+mv log.collapseEdges log.collapseFaces
+
+runApplication collapseEdges -latestTime -collapseFaceSet indirectPatchFaces
+mv log.collapseEdges log.collapseFaceSet
+
+runApplication checkMesh -latestTime -allGeometry -allTopology
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/blob/Allrun-parallel

@@ -0,0 +1,29 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Get the number of processors to run on from system/decomposeParDict
+nProc=$(getNumberOfProcessors)
+
+# copy flange surface from resources directory
+cp $FOAM_TUTORIALS/resources/geometry/blob.stl.gz constant/triSurface/
+
+runApplication blockMesh -region backgroundMeshDecomposition
+runApplication decomposePar -region backgroundMeshDecomposition
+
+runParallel foamyHexMesh $nProc
+
+runParallel collapseEdges $nProc -latestTime -collapseFaces
+mv log.collapseEdges log.collapseFaces
+
+runParallel collapseEdges $nProc -latestTime -collapseFaceSet indirectPatchFaces
+mv log.collapseEdges log.collapseFaceSet
+
+runParallel checkMesh $nProc -latestTime -allTopology -allGeometry
+
+runApplication reconstructParMesh -latestTime
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/blob/constant/backgroundMeshDecomposition/polyMesh/blockMeshDict

@@ -0,0 +1,69 @@
+/*--------------------------------*- 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       dictionary;
+    object      blockMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+convertToMeters 1.0;
+
+xmin -1.3;
+xmax  0.65;
+ymin -1.1;
+ymax  0.8;
+zmin -1.4;
+zmax  0.55;
+
+vertices
+(
+    ($xmin $ymin $zmin)
+    ($xmax $ymin $zmin)
+    ($xmax $ymax $zmin)
+    ($xmin $ymax $zmin)
+    ($xmin $ymin $zmax)
+    ($xmax $ymin $zmax)
+    ($xmax $ymax $zmax)
+    ($xmin $ymax $zmax)
+
+);
+
+blocks
+(
+    hex (0 1 2  3 4 5 6 7) (11 11 9) simpleGrading (1 1 1)
+);
+
+edges
+(
+);
+
+boundary
+(
+    walls
+    {
+        type wall;
+        faces
+        (
+            (3 7 6 2)
+            (0 4 7 3)
+            (2 6 5 1)
+            (1 5 4 0)
+            (0 3 2 1)
+            (4 5 6 7)
+        );
+    }
+);
+
+mergePatchPairs
+(
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/constant/triSurface/README

@@ -0,0 +1,4 @@
+Directory to house tri-surfaces
+
+The Allrun script copies the surface from the $FOAM_TUTORIALS/resources/geometry
+directory

tutorials/mesh/foamyHexMesh/blob/system/backgroundMeshDecomposition/decomposeParDict

@@ -0,0 +1,47 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      decomposeParDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+numberOfSubdomains 2;
+
+method          scotch;
+//method          ptscotch;
+// method          hierarchical;
+
+simpleCoeffs
+{
+    n               ( 2 2 1 );
+    delta           0.001;
+}
+
+hierarchicalCoeffs
+{
+    n               ( 2 1 1 );
+    delta           0.001;
+    order           xyz;
+}
+
+manualCoeffs
+{
+    dataFile        "";
+}
+
+distributed     no;
+
+roots           ( );
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/backgroundMeshDecomposition/fvSchemes

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+../fvSchemes

tutorials/mesh/foamyHexMesh/blob/system/backgroundMeshDecomposition/fvSolution

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+../fvSolution

tutorials/mesh/foamyHexMesh/blob/system/collapseDict

@@ -0,0 +1,84 @@
+/*--------------------------------*- 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           dictionary;
+    object          collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+controlMeshQuality      on;
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   1e-6;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   180;
+}
+
+collapseFacesCoeffs
+{
+    // The initial face length factor
+    initialFaceLengthFactor                 0.5;
+
+    // If the face can't be collapsed to an edge, and it has a span less than
+    // the target face length multiplied by this coefficient, collapse it
+    // to a point.
+    maxCollapseFaceToPointSideLengthCoeff   0.3;
+
+    // Allow early collapse of edges to a point
+    allowEarlyCollapseToPoint               on;
+
+    // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
+    // allowEarlyCollapseToPoint is enabled
+    allowEarlyCollapseCoeff                 0.2;
+
+    // Defining how close to the midpoint (M) of the projected
+    // vertices line a projected vertex (X) can be before making this
+    // an invalid edge collapse
+    //
+    // X---X-g----------------M----X-----------g----X--X
+    //
+    // Only allow a collapse if all projected vertices are outwith
+    // guardFraction (g) of the distance form the face centre to the
+    // furthest vertex in the considered direction
+    guardFraction                           0.1;
+}
+
+controlMeshQualityCoeffs
+{
+    // Name of the dictionary that has the mesh quality coefficients used
+    // by motionSmoother::checkMesh
+    #include                    "meshQualityDict";
+
+    // The amount that minimumEdgeLength will be reduced by for each
+    // edge if that edge's collapse generates a poor quality face
+    edgeReductionFactor         0.5;
+
+    // The amount that initialFaceLengthFactor will be reduced by for each
+    // face if its collapse generates a poor quality face
+    faceReductionFactor         0.5;
+
+    // Maximum number of smoothing iterations for the reductionFactors
+    maximumSmoothingIterations  2;
+
+    // Maximum number of outer iterations is mesh quality checking is enabled
+    maximumIterations           10;
+
+    // Maximum number of iterations deletion of a point can cause a bad face
+    // to be constructed before it is forced to not be deleted
+    maxPointErrorCount          3;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/controlDict

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+/*--------------------------------*- 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;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       startTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         80;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   80;
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  12;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/decomposeParDict

@@ -0,0 +1,47 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      decomposeParDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+numberOfSubdomains 2;
+
+method          scotch;
+//method          ptscotch;
+// method          hierarchical;
+
+simpleCoeffs
+{
+    n               ( 2 2 1 );
+    delta           0.001;
+}
+
+hierarchicalCoeffs
+{
+    n               ( 2 1 1 );
+    delta           0.001;
+    order           xyz;
+}
+
+manualCoeffs
+{
+    dataFile        "";
+}
+
+distributed     no;
+
+roots           ( );
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/foamyHexMeshDict

@@ -0,0 +1,131 @@
+/*--------------------------------*- 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           dictionary;
+    object          foamyHexMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Include defaults parameters from master dictionary
+#include "$WM_PROJECT_DIR/etc/caseDicts/foamyHexMeshDict"
+
+geometry
+{
+    blob.stl
+    {
+        name blob;
+        type triSurfaceMesh;
+    }
+
+    refinementBox
+    {
+        type searchableBox;
+        min (-0.2  -0.6 -0.2);
+        max ( 0.4   0.2  0.35);
+    }
+}
+
+
+backgroundMeshDecomposition
+{
+    minLevels           0;
+    sampleResolution    4;
+    spanScale           20;
+    maxCellWeightCoeff  20;
+}
+
+
+initialPoints
+{
+    initialPointsMethod         autoDensity;
+    // initialPointsMethod     pointFile;
+
+    autoDensityCoeffs
+    {
+        minLevels               0;
+        maxSizeRatio            5.0;
+        sampleResolution        5;
+        surfaceSampleResolution 5;
+    }
+
+    pointFileCoeffs
+    {
+        pointFile               "constant/internalDelaunayVertices";
+    }
+}
+
+
+surfaceConformation
+{
+    locationInMesh              (0.1 0.1 0.2);
+
+    featurePointControls
+    {
+        specialiseFeaturePoints off;
+        edgeAiming              off;
+        guardFeaturePoints      off;
+        snapFeaturePoints       off;
+        circulateEdges          off;
+    }
+
+    geometryToConformTo
+    {
+        blob
+        {
+            featureMethod       none;
+        }
+    }
+}
+
+
+motionControl
+{
+    defaultCellSize             0.1;
+
+    minimumCellSizeCoeff        0;
+
+    maxSmoothingIterations      100;
+
+    maxRefinementIterations     0;
+
+    shapeControlFunctions
+    {
+        blob
+        {
+            type                    searchableSurfaceControl;
+            priority                1;
+            mode                    bothSides;
+
+            surfaceCellSizeFunction uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff     1;
+            }
+
+            cellSizeFunction        uniform;
+            uniformCoeffs
+            {}
+        }
+    }
+
+    objOutput                   no;
+
+    timeChecks                  no;
+}
+
+
+meshQualityControls
+{
+    #include "meshQualityDict"
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/fvSchemes

@@ -0,0 +1,54 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSchemes;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+ddtSchemes
+{
+    default         none;
+}
+
+gradSchemes
+{
+    default         none;
+}
+
+divSchemes
+{
+    default         none;
+}
+
+laplacianSchemes
+{
+    default         none;
+}
+
+interpolationSchemes
+{
+    default         none;
+}
+
+snGradSchemes
+{
+    default         none;
+}
+
+fluxRequired
+{
+    default         no;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/fvSolution

@@ -0,0 +1,22 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSolution;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+solvers
+{
+}
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/meshQualityDict

@@ -0,0 +1,65 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshQualityDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+//- Maximum non-orthogonality allowed. Set to 180 to disable.
+maxNonOrtho         65;
+
+//- Max skewness allowed. Set to <0 to disable.
+maxBoundarySkewness 50;
+maxInternalSkewness 10;
+
+//- Max concaveness allowed. Is angle (in degrees) below which concavity
+//  is allowed. 0 is straight face, <0 would be convex face.
+//  Set to 180 to disable.
+maxConcave          80;
+
+//- Minimum quality of the tet formed by the face-centre
+//  and variable base point minimum decomposition triangles and
+//  the cell centre. This has to be a positive number for tracking
+//  to work. Set to very negative number (e.g. -1E30) to
+//  disable.
+//     <0 = inside out tet,
+//      0 = flat tet
+//      1 = regular tet
+minTetQuality       1e-30;
+
+//- Minimum pyramid volume. Is absolute volume of cell pyramid.
+//  Set to a sensible fraction of the smallest cell volume expected.
+//  Set to very negative number (e.g. -1E30) to disable.
+minVol              1e-20;
+
+//- Minimum face area. Set to <0 to disable.
+minArea             -1;
+
+//- Minimum face twist. Set to <-1 to disable. dot product of face normal
+//- and face centre triangles normal
+minTwist            0.001;
+
+//- minimum normalised cell determinant
+//- 1 = hex, <= 0 = folded or flattened illegal cell
+minDeterminant      0.001;
+
+//- minFaceWeight (0 -> 0.5)
+minFaceWeight       0.02;
+
+//- minVolRatio (0 -> 1)
+minVolRatio         0.01;
+
+//must be >0 for Fluent compatibility
+minTriangleTwist    -1;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/snappyHexMeshDict

@@ -0,0 +1,302 @@
+/*--------------------------------*- 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       dictionary;
+    object      snappyHexMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Which of the steps to run
+castellatedMesh false;
+snap            false;
+addLayers       true;
+
+
+// Geometry. Definition of all surfaces. All surfaces are of class
+// searchableSurface.
+// Surfaces are used
+// - to specify refinement for any mesh cell intersecting it
+// - to specify refinement for any mesh cell inside/outside/near
+// - to 'snap' the mesh boundary to the surface
+geometry
+{
+//    motorBike.obj
+//    {
+//        type triSurfaceMesh;
+//        name motorBike;
+//    }
+//
+//    refinementBox
+//    {
+//        type searchableBox;
+//        min (-1.0 -0.7 0.0);
+//        max ( 8.0  0.7 2.5);
+//    }
+};
+
+
+
+// Settings for the castellatedMesh generation.
+castellatedMeshControls
+{
+
+    // Refinement parameters
+    // ~~~~~~~~~~~~~~~~~~~~~
+
+    // If local number of cells is >= maxLocalCells on any processor
+    // switches from from refinement followed by balancing
+    // (current method) to (weighted) balancing before refinement.
+    maxLocalCells 100000;
+
+    // Overall cell limit (approximately). Refinement will stop immediately
+    // upon reaching this number so a refinement level might not complete.
+    // Note that this is the number of cells before removing the part which
+    // is not 'visible' from the keepPoint. The final number of cells might
+    // actually be a lot less.
+    maxGlobalCells 2000000;
+
+    // The surface refinement loop might spend lots of iterations refining just a
+    // few cells. This setting will cause refinement to stop if <= minimumRefine
+    // are selected for refinement. Note: it will at least do one iteration
+    // (unless the number of cells to refine is 0)
+    minRefinementCells 10;
+
+    // Allow a certain level of imbalance during refining
+    // (since balancing is quite expensive)
+    // Expressed as fraction of perfect balance (= overall number of cells /
+    // nProcs). 0=balance always.
+    maxLoadUnbalance 0.10;
+
+
+    // Number of buffer layers between different levels.
+    // 1 means normal 2:1 refinement restriction, larger means slower
+    // refinement.
+    nCellsBetweenLevels 3;
+
+
+
+    // Explicit feature edge refinement
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // Specifies a level for any cell intersected by its edges.
+    // This is a featureEdgeMesh, read from constant/triSurface for now.
+    features
+    (
+        //{
+        //    file "someLine.eMesh";
+        //    level 2;
+        //}
+    );
+
+
+
+    // Surface based refinement
+    // ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // Specifies two levels for every surface. The first is the minimum level,
+    // every cell intersecting a surface gets refined up to the minimum level.
+    // The second level is the maximum level. Cells that 'see' multiple
+    // intersections where the intersections make an
+    // angle > resolveFeatureAngle get refined up to the maximum level.
+
+    refinementSurfaces
+    {
+//        motorBike
+//        {
+//            // Surface-wise min and max refinement level
+//            level (5 6);
+//
+//            // Optional specification of patch type (default is wall). No
+//            // constraint types (cyclic, symmetry) etc. are allowed.
+//            patchInfo
+//            {
+//                type wall;
+//                inGroups (motorBike);
+//            }
+//        }
+    }
+
+    // Resolve sharp angles
+    resolveFeatureAngle 30;
+
+
+    // Region-wise refinement
+    // ~~~~~~~~~~~~~~~~~~~~~~
+
+    // Specifies refinement level for cells in relation to a surface. One of
+    // three modes
+    // - distance. 'levels' specifies per distance to the surface the
+    //   wanted refinement level. The distances need to be specified in
+    //   descending order.
+    // - inside. 'levels' is only one entry and only the level is used. All
+    //   cells inside the surface get refined up to the level. The surface
+    //   needs to be closed for this to be possible.
+    // - outside. Same but cells outside.
+
+    refinementRegions
+    {
+//        refinementBox
+//        {
+//            mode inside;
+//            levels ((1E15 4));
+//        }
+    }
+
+
+    // Mesh selection
+    // ~~~~~~~~~~~~~~
+
+    // After refinement patches get added for all refinementSurfaces and
+    // all cells intersecting the surfaces get put into these patches. The
+    // section reachable from the locationInMesh is kept.
+    // NOTE: This point should never be on a face, always inside a cell, even
+    // after refinement.
+    locationInMesh (-1 0 0);
+
+
+    // Whether any faceZones (as specified in the refinementSurfaces)
+    // are only on the boundary of corresponding cellZones or also allow
+    // free-standing zone faces. Not used if there are no faceZones.
+    allowFreeStandingZoneFaces true;
+}
+
+
+
+// Settings for the snapping.
+snapControls
+{
+    //- Number of patch smoothing iterations before finding correspondence
+    //  to surface
+    nSmoothPatch 3;
+
+    //- Relative distance for points to be attracted by surface feature point
+    //  or edge. True distance is this factor times local
+    //  maximum edge length.
+    tolerance 4.0;
+
+    //- Number of mesh displacement relaxation iterations.
+    nSolveIter 0;
+
+    //- Maximum number of snapping relaxation iterations. Should stop
+    //  before upon reaching a correct mesh.
+    nRelaxIter 5;
+
+    //- Highly experimental and wip: number of feature edge snapping
+    //  iterations. Leave out altogether to disable.
+    //  Do not use here since mesh resolution too low and baffles present
+    //nFeatureSnapIter 10;
+}
+
+
+
+// Settings for the layer addition.
+addLayersControls
+{
+    // Are the thickness parameters below relative to the undistorted
+    // size of the refined cell outside layer (true) or absolute sizes (false).
+    relativeSizes false;
+
+    // Per final patch (so not geometry!) the layer information
+    layers
+    {
+        blob.stl_patch1
+        {
+            nSurfaceLayers 4;
+        }
+    }
+
+    // Expansion factor for layer mesh
+    expansionRatio 1.5;
+
+    // Wanted thickness of final added cell layer. If multiple layers
+    // is the thickness of the layer furthest away from the wall.
+    // Relative to undistorted size of cell outside layer.
+    // is the thickness of the layer furthest away from the wall.
+    // See relativeSizes parameter.
+    finalLayerThickness 0.02;
+
+    // Minimum thickness of cell layer. If for any reason layer
+    // cannot be above minThickness do not add layer.
+    // Relative to undistorted size of cell outside layer.
+    minThickness 0.005;
+
+    // If points get not extruded do nGrow layers of connected faces that are
+    // also not grown. This helps convergence of the layer addition process
+    // close to features.
+    // Note: changed(corrected) w.r.t 17x! (didn't do anything in 17x)
+    nGrow 0;
+
+    // Advanced settings
+
+    // When not to extrude surface. 0 is flat surface, 90 is when two faces
+    // are perpendicular
+    featureAngle 90;
+
+    // Maximum number of snapping relaxation iterations. Should stop
+    // before upon reaching a correct mesh.
+    nRelaxIter 3;
+
+    // Number of smoothing iterations of surface normals
+    nSmoothSurfaceNormals 1;
+
+    // Number of smoothing iterations of interior mesh movement direction
+    nSmoothNormals 3;
+
+    // Smooth layer thickness over surface patches
+    nSmoothThickness 10;
+
+    // Stop layer growth on highly warped cells
+    maxFaceThicknessRatio 1000;
+
+    // Reduce layer growth where ratio thickness to medial
+    // distance is large
+    maxThicknessToMedialRatio 0.3;
+
+    // Angle used to pick up medial axis points
+    // Note: changed(corrected) w.r.t 17x! 90 degrees corresponds to 130 in 17x.
+    minMedianAxisAngle 90;
+
+
+    // Create buffer region for new layer terminations
+    nBufferCellsNoExtrude 0;
+
+
+    // Overall max number of layer addition iterations. The mesher will exit
+    // if it reaches this number of iterations; possibly with an illegal
+    // mesh.
+    nLayerIter 50;
+}
+
+
+
+// Generic mesh quality settings. At any undoable phase these determine
+// where to undo.
+meshQualityControls
+{
+    #include "meshQualityDict"
+
+    // Advanced
+
+    //- Number of error distribution iterations
+    nSmoothScale 4;
+    //- amount to scale back displacement at error points
+    errorReduction 0.75;
+}
+
+
+// Advanced
+
+// Merge tolerance. Is fraction of overall bounding box of initial mesh.
+// Note: the write tolerance needs to be higher than this.
+mergeTolerance 1e-6;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/blob/system/topoSetDict

@@ -0,0 +1,149 @@
+/*--------------------------------*- 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       dictionary;
+    object      topoSetDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+actions
+(
+    {
+        name    z;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100 -100 -0.2)(100 100 100);
+        }
+    }
+
+    {
+        name    zf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    z;
+            option all;
+        }
+    }
+
+    {
+        name    z;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    zf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    z;
+            option all;
+        }
+    }
+
+    // ~~~~~~~~~~~~~~~~ //
+
+    {
+        name    x;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-0.32 -100 -100)(100 100 100);
+        }
+    }
+
+    {
+        name    xf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    x;
+            option all;
+        }
+    }
+
+    {
+        name    x;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    xf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    x;
+            option all;
+        }
+    }
+
+    // ~~~~~~~~~~~~~~~~ //
+
+    {
+        name    sp;
+        type    cellSet;
+        action  new;
+        source  sphereToCell;
+        sourceInfo
+        {
+            centre (-0.3 -0.3 -0.3);
+            radius 0.4;
+        }
+    }
+
+    {
+        name    spf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    sp;
+            option all;
+        }
+    }
+
+    {
+        name    sp;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    spf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    sp;
+            option all;
+        }
+    }
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/Allclean

@@ -0,0 +1,24 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/CleanFunctions
+
+rm -r constant/triSurface/flange.stl.gz > /dev/null 2>&1
+
+rm -rf constant/extendedFeatureEdgeMesh > /dev/null 2>&1
+rm -r constant/ccx constant/ccy constant/ccz > /dev/null 2>&1
+rm -r constant/internalDelaunayVertices constant/targetCellSize > /dev/null 2>&1
+rm -r 0 > /dev/null 2>&1
+
+rm -rf constant/backgroundMeshDecomposition/polyMesh/boundary > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/faces > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/neighbour > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/owner > /dev/null 2>&1
+rm -rf constant/backgroundMeshDecomposition/polyMesh/points > /dev/null 2>&1
+
+rm -r *.obj > /dev/null 2>&1
+
+cleanCase
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/flange/Allrun

@@ -0,0 +1,21 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# copy flange surface from resources directory
+cp $FOAM_TUTORIALS/resources/geometry/flange.stl.gz constant/triSurface/
+
+runApplication foamyHexMesh
+
+runApplication collapseEdges -latestTime -collapseFaces
+mv log.collapseEdges log.collapseFaces
+
+runApplication collapseEdges -latestTime -collapseFaceSet indirectPatchFaces
+mv log.collapseEdges log.collapseFaceSet
+
+runApplication checkMesh -latestTime -allGeometry -allTopology
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/flange/Allrun-parallel

@@ -0,0 +1,30 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Get the number of processors to run on from system/decomposeParDict
+nProc=$(getNumberOfProcessors)
+
+# copy flange surface from resources directory
+cp $FOAM_TUTORIALS/resources/geometry/flange.stl.gz constant/triSurface/
+
+# Create tight-fitting background mesh
+runApplication blockMesh -region backgroundMeshDecomposition
+runApplication decomposePar -region backgroundMeshDecomposition
+
+runParallel foamyHexMesh $nProc
+
+runParallel collapseEdges $nProc -latestTime -collapseFaces
+mv log.collapseEdges log.collapseFaces
+
+runParallel collapseEdges $nProc -latestTime -collapseFaceSet indirectPatchFaces
+mv log.collapseEdges log.collapseFaceSet
+
+runParallel checkMesh $nProc -latestTime -allTopology -allGeometry
+
+runApplication reconstructParMesh -latestTime
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/flange/Alltest

@@ -0,0 +1,32 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# copy flange surface from resources directory
+cp $FOAM_TUTORIALS/resources/geometry/flange.stl.gz constant/triSurface/
+
+cp system/controlDict system/controlDict.org
+
+sed -e s/"\(endTime[ \t]*\)\([0-9]*\);"/"\1 10;"/g \
+    -e s/"\(writeInterval[ \t]*\)\([0-9]*\);"/"\1 10;"/g \
+    system/controlDict.org > system/controlDict
+
+runApplication foamyHexMesh
+
+# Change collapseEdges to only do one iteration
+cp system/collapseDict system/collapseDict.org
+
+sed -e s/"\(maximumIterations[ \t]*\)\([0-9]*\);"/"\1 1;"/g \
+    system/collapseDict.org > system/collapseDict
+
+runApplication collapseEdges -latestTime -collapseFaces
+
+cp system/controlDict.org system/controlDict
+cp system/collapseDict.org system/collapseDict
+
+rm -f system/controlDict.org system/collapseDict.org
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/flange/constant/backgroundMeshDecomposition/polyMesh/blockMeshDict

@@ -0,0 +1,69 @@
+/*--------------------------------*- 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       dictionary;
+    object      blockMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+convertToMeters 1.0;
+
+xmin -0.0265;
+xmax  0.0265;
+ymin -0.028;
+ymax  0.023;
+zmin -0.024;
+zmax  0.01;
+
+vertices
+(
+    ($xmin $ymin $zmin)
+    ($xmax $ymin $zmin)
+    ($xmax $ymax $zmin)
+    ($xmin $ymax $zmin)
+    ($xmin $ymin $zmax)
+    ($xmax $ymin $zmax)
+    ($xmax $ymax $zmax)
+    ($xmin $ymax $zmax)
+
+);
+
+blocks
+(
+    hex (0 1 2  3 4 5 6 7) (5 6 3) simpleGrading (1 1 1)
+);
+
+edges
+(
+);
+
+boundary
+(
+    walls
+    {
+        type wall;
+        faces
+        (
+            (3 7 6 2)
+            (0 4 7 3)
+            (2 6 5 1)
+            (1 5 4 0)
+            (0 3 2 1)
+            (4 5 6 7)
+        );
+    }
+);
+
+mergePatchPairs
+(
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/constant/triSurface/README

@@ -0,0 +1,4 @@
+Directory to house tri-surfaces
+
+The Allrun script copies the surface from the $FOAM_TUTORIALS/resources/geometry
+directory

tutorials/mesh/foamyHexMesh/flange/system/backgroundMeshDecomposition/decomposeParDict

@@ -0,0 +1,46 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      decomposeParDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+numberOfSubdomains 8;
+
+//method          scotch;
+method          hierarchical;
+
+simpleCoeffs
+{
+    n               ( 2 2 2 );
+    delta           0.001;
+}
+
+hierarchicalCoeffs
+{
+    n               ( 2 2 2 );
+    delta           0.001;
+    order           xyz;
+}
+
+manualCoeffs
+{
+    dataFile        "";
+}
+
+distributed     no;
+
+roots           ( );
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/backgroundMeshDecomposition/fvSchemes

@@ -0,0 +1 @@
+../fvSchemes

tutorials/mesh/foamyHexMesh/flange/system/backgroundMeshDecomposition/fvSolution

@@ -0,0 +1 @@
+../fvSolution

tutorials/mesh/foamyHexMesh/flange/system/collapseDict

@@ -0,0 +1,84 @@
+/*--------------------------------*- 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           dictionary;
+    object          collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+controlMeshQuality      on;
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   1e-6;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   180;
+}
+
+collapseFacesCoeffs
+{
+    // The initial face length factor
+    initialFaceLengthFactor                 0.5;
+
+    // If the face can't be collapsed to an edge, and it has a span less than
+    // the target face length multiplied by this coefficient, collapse it
+    // to a point.
+    maxCollapseFaceToPointSideLengthCoeff   0.3;
+
+    // Allow early collapse of edges to a point
+    allowEarlyCollapseToPoint               on;
+
+    // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
+    // allowEarlyCollapseToPoint is enabled
+    allowEarlyCollapseCoeff                 0.2;
+
+    // Defining how close to the midpoint (M) of the projected
+    // vertices line a projected vertex (X) can be before making this
+    // an invalid edge collapse
+    //
+    // X---X-g----------------M----X-----------g----X--X
+    //
+    // Only allow a collapse if all projected vertices are outwith
+    // guardFraction (g) of the distance form the face centre to the
+    // furthest vertex in the considered direction
+    guardFraction                           0.1;
+}
+
+controlMeshQualityCoeffs
+{
+    // Name of the dictionary that has the mesh quality coefficients used
+    // by motionSmoother::checkMesh
+    #include                    "meshQualityDict";
+
+    // The amount that minimumEdgeLength will be reduced by for each
+    // edge if that edge's collapse generates a poor quality face
+    edgeReductionFactor         0.5;
+
+    // The amount that initialFaceLengthFactor will be reduced by for each
+    // face if its collapse generates a poor quality face
+    faceReductionFactor         0.5;
+
+    // Maximum number of smoothing iterations for the reductionFactors
+    maximumSmoothingIterations  2;
+
+    // Maximum number of outer iterations is mesh quality checking is enabled
+    maximumIterations           10;
+
+    // Maximum number of iterations deletion of a point can cause a bad face
+    // to be constructed before it is forced to not be deleted
+    maxPointErrorCount          3;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/controlDict

@@ -0,0 +1,58 @@
+/*--------------------------------*- 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;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+application     foamyHexMesh;
+
+startFrom       startTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         100;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   100;
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+libs ("libdistributed.so");
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/decomposeParDict

@@ -0,0 +1,46 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      decomposeParDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+numberOfSubdomains 8;
+
+//method          scotch;
+method          hierarchical;
+
+simpleCoeffs
+{
+    n               ( 2 2 2 );
+    delta           0.001;
+}
+
+hierarchicalCoeffs
+{
+    n               ( 2 2 2 );
+    delta           0.001;
+    order           xyz;
+}
+
+manualCoeffs
+{
+    dataFile        "";
+}
+
+distributed     no;
+
+roots           ( );
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/faceSetDict

@@ -0,0 +1,35 @@
+/*--------------------------------*- 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       dictionary;
+    object      faceSetDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Name of set to operate on
+name facesToBeRemoved;
+
+// One of clear/new/invert/add/delete|subset/list
+action new;
+
+// Actions to apply to pointSet. These are all the topoSetSource's ending
+// in ..ToFace (see the meshTools library).
+topoSetSources
+(
+    //  Select by explicitly providing face labels
+    labelToFace
+    {
+        value #include "../facesToBeRemoved";
+    }
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/foamyHexMeshDict

@@ -0,0 +1,178 @@
+/*--------------------------------*- 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           dictionary;
+    object          foamyHexMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Include defaults parameters from master dictionary
+#include "$WM_PROJECT_DIR/etc/caseDicts/foamyHexMeshDict"
+
+// Any scalar with a name <name>Coeff specifies a value that will be implemented
+// as a faction of the target cell size
+
+geometry
+{
+    #include "meshDict.geometry"
+}
+
+
+initialPoints
+{
+    initialPointsMethod         autoDensity;
+
+    autoDensityCoeffs
+    {
+        minLevels               2;
+        maxSizeRatio            3.0;
+        sampleResolution        4;
+        surfaceSampleResolution 5;
+    }
+}
+
+
+surfaceConformation
+{
+    locationInMesh      (0 0 0);
+
+    geometryToConformTo
+    {
+        flange
+        {
+            featureMethod           extractFeatures;
+            includedAngle           140;
+
+            regions
+            {
+                patch1
+                {
+                    patchInfo
+                    {
+                        type        wall;
+                        inGroups    (groupFlange groupWalls);
+                    }
+                }
+
+                patch2
+                {
+                    patchInfo
+                    {
+                        type        wall;
+                        inGroups    (groupFlange groupWalls);
+                    }
+                }
+
+                patch3
+                {
+                    patchInfo
+                    {
+                        type        wall;
+                        inGroups    (groupFlange);
+                    }
+                }
+
+                patch4
+                {
+                    patchInfo
+                    {
+                        type        patch;
+                        inGroups    (groupFlange);
+                    }
+                }
+            }
+        }
+    }
+}
+
+
+motionControl
+{
+    defaultCellSize             0.0008;
+
+    minimumCellSizeCoeff        0;
+
+    maxSmoothingIterations      100;
+
+    maxRefinementIterations     0;
+
+    shapeControlFunctions
+    {
+        flange
+        {
+            type                        searchableSurfaceControl;
+            priority                    1;
+            mode                        inside;
+            surfaceCellSizeFunction     uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff    1;
+            }
+            cellSizeFunction            surfaceOffsetLinearDistance;
+            surfaceOffsetLinearDistanceCoeffs
+            {
+                distanceCellSizeCoeff   1;
+                surfaceOffsetCoeff      2.5;
+                linearDistanceCoeff     2.5;
+            }
+
+            regions
+            {
+                patch3
+                {
+                    type                        searchableSurfaceControl;
+                    priority                    2;
+                    mode                        inside;
+                    surfaceCellSizeFunction     uniformValue;
+                    uniformValueCoeffs
+                    {
+                        surfaceCellSizeCoeff    0.25;
+                    }
+                    cellSizeFunction            surfaceOffsetLinearDistance;
+                    surfaceOffsetLinearDistanceCoeffs
+                    {
+                        distanceCellSizeCoeff   1;
+                        surfaceOffsetCoeff      2;
+                        linearDistanceCoeff     2;
+                    }
+                }
+            }
+        }
+    }
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart         1.0;
+        relaxationEnd           0.0;
+    }
+
+    objOutput                   no;
+
+    timeChecks                  no;
+}
+
+
+backgroundMeshDecomposition
+{
+    minLevels           1;
+    sampleResolution    4;
+    spanScale           5;
+    maxCellWeightCoeff  10;
+}
+
+
+meshQualityControls
+{
+    #include "meshQualityDict"
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/fvSchemes

@@ -0,0 +1,55 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSchemes;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+ddtSchemes
+{
+    default         none;
+}
+
+gradSchemes
+{
+    default         Gauss linear;
+}
+
+divSchemes
+{
+    default         none;
+}
+
+laplacianSchemes
+{
+    default         none;
+    laplacian(nn)   Gauss linear corrected;
+}
+
+interpolationSchemes
+{
+    default         none;
+}
+
+snGradSchemes
+{
+    default         corrected;
+}
+
+fluxRequired
+{
+    default         no;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/fvSolution

@@ -0,0 +1,29 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSolution;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+solvers
+{
+    nn
+    {
+        solver          PCG;
+        preconditioner  DIC;
+        tolerance       1e-06;
+        relTol          0;
+    }
+}
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/meshDict.geometry

@@ -0,0 +1,47 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshDict.geometry;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+flange.stl
+{
+    name flange;
+    type triSurfaceMesh;
+
+    regions
+    {
+        patch1
+        {
+            name wall;
+        }
+
+        patch2
+        {
+            name plate;
+        }
+
+        patch3
+        {
+            name rings;
+        }
+
+        patch4
+        {
+            name outlet;
+        }
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/meshQualityDict

@@ -0,0 +1,65 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshQualityDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+//- Maximum non-orthogonality allowed. Set to 180 to disable.
+maxNonOrtho         45;
+
+//- Max skewness allowed. Set to <0 to disable.
+maxBoundarySkewness 50;
+maxInternalSkewness 10;
+
+//- Max concaveness allowed. Is angle (in degrees) below which concavity
+//  is allowed. 0 is straight face, <0 would be convex face.
+//  Set to 180 to disable.
+maxConcave          80;
+
+//- Minimum quality of the tet formed by the face-centre
+//  and variable base point minimum decomposition triangles and
+//  the cell centre. This has to be a positive number for tracking
+//  to work. Set to very negative number (e.g. -1E30) to
+//  disable.
+//     <0 = inside out tet,
+//      0 = flat tet
+//      1 = regular tet
+minTetQuality       1e-30;
+
+//- Minimum pyramid volume. Is absolute volume of cell pyramid.
+//  Set to a sensible fraction of the smallest cell volume expected.
+//  Set to very negative number (e.g. -1E30) to disable.
+minVol              0;
+
+//- Minimum face area. Set to <0 to disable.
+minArea             -1;
+
+//- Minimum face twist. Set to <-1 to disable. dot product of face normal
+//- and face centre triangles normal
+minTwist            0.001;
+
+//- minimum normalised cell determinant
+//- 1 = hex, <= 0 = folded or flattened illegal cell
+minDeterminant      0.001;
+
+//- minFaceWeight (0 -> 0.5)
+minFaceWeight       0.02;
+
+//- minVolRatio (0 -> 1)
+minVolRatio         0.01;
+
+//must be >0 for Fluent compatibility
+minTriangleTwist    -1;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/snappyHexMeshDict

@@ -0,0 +1,311 @@
+/*--------------------------------*- 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       dictionary;
+    object      snappyHexMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Which of the steps to run
+castellatedMesh true;
+snap            true;
+addLayers       false;
+
+
+foamyHexMesh
+{
+    #include "foamyHexMeshDict"
+}
+
+
+
+// Geometry. Definition of all surfaces. All surfaces are of class
+// searchableSurface.
+// Surfaces are used
+// - to specify refinement for any mesh cell intersecting it
+// - to specify refinement for any mesh cell inside/outside/near
+// - to 'snap' the mesh boundary to the surface
+geometry
+{
+    ${:foamyHexMesh.geometry};
+}
+
+
+// Settings for the castellatedMesh generation.
+castellatedMeshControls
+{
+
+    // Refinement parameters
+    // ~~~~~~~~~~~~~~~~~~~~~
+
+    // If local number of cells is >= maxLocalCells on any processor
+    // switches from from refinement followed by balancing
+    // (current method) to (weighted) balancing before refinement.
+    maxLocalCells 100000;
+
+    // Overall cell limit (approximately). Refinement will stop immediately
+    // upon reaching this number so a refinement level might not complete.
+    // Note that this is the number of cells before removing the part which
+    // is not 'visible' from the keepPoint. The final number of cells might
+    // actually be a lot less.
+    maxGlobalCells 2000000;
+
+    // The surface refinement loop might spend lots of iterations refining just a
+    // few cells. This setting will cause refinement to stop if <= minimumRefine
+    // are selected for refinement. Note: it will at least do one iteration
+    // (unless the number of cells to refine is 0)
+    minRefinementCells 0;
+
+    // Number of buffer layers between different levels.
+    // 1 means normal 2:1 refinement restriction, larger means slower
+    // refinement.
+    nCellsBetweenLevels 1;
+
+
+
+    // Explicit feature edge refinement
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // Specifies a level for any cell intersected by its edges.
+    // This is a featureEdgeMesh, read from constant/triSurface for now.
+    features
+    (
+        {
+            file "flange.eMesh";
+            level 0;
+        }
+    );
+
+
+
+    // Surface based refinement
+    // ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    // Specifies two levels for every surface. The first is the minimum level,
+    // every cell intersecting a surface gets refined up to the minimum level.
+    // The second level is the maximum level. Cells that 'see' multiple
+    // intersections where the intersections make an
+    // angle > resolveFeatureAngle get refined up to the maximum level.
+
+    refinementSurfaces
+    {
+        flange
+        {
+            // Surface-wise min and max refinement level
+            level (2 2);
+        }
+    }
+
+    // Resolve sharp angles
+    resolveFeatureAngle 30;
+
+
+    // Region-wise refinement
+    // ~~~~~~~~~~~~~~~~~~~~~~
+
+    // Specifies refinement level for cells in relation to a surface. One of
+    // three modes
+    // - distance. 'levels' specifies per distance to the surface the
+    //   wanted refinement level. The distances need to be specified in
+    //   descending order.
+    // - inside. 'levels' is only one entry and only the level is used. All
+    //   cells inside the surface get refined up to the level. The surface
+    //   needs to be closed for this to be possible.
+    // - outside. Same but cells outside.
+
+    refinementRegions
+    {
+        refineHole
+        {
+            mode inside;
+            levels ((1E15 3));
+        }
+    }
+
+
+    // Mesh selection
+    // ~~~~~~~~~~~~~~
+
+    // After refinement patches get added for all refinementSurfaces and
+    // all cells intersecting the surfaces get put into these patches. The
+    // section reachable from the locationInMesh is kept.
+    // NOTE: This point should never be on a face, always inside a cell, even
+    // after refinement.
+    locationInMesh ${:foamyHexMesh.surfaceConformation.locationInMesh};
+
+
+    // Whether any faceZones (as specified in the refinementSurfaces)
+    // are only on the boundary of corresponding cellZones or also allow
+    // free-standing zone faces. Not used if there are no faceZones.
+    allowFreeStandingZoneFaces true;
+}
+
+
+
+// Settings for the snapping.
+snapControls
+{
+    //- Number of patch smoothing iterations before finding correspondence
+    //  to surface
+    nSmoothPatch 3;
+
+    //- Relative distance for points to be attracted by surface feature point
+    //  or edge. True distance is this factor times local
+    //  maximum edge length.
+    tolerance 1.0;
+
+    //- Number of mesh displacement relaxation iterations.
+    nSolveIter 300;
+
+    //- Maximum number of snapping relaxation iterations. Should stop
+    //  before upon reaching a correct mesh.
+    nRelaxIter 5;
+
+    // Feature snapping
+
+        // Number of feature edge snapping iterations.
+        // Leave out altogether to disable.
+        nFeatureSnapIter 10;
+
+        // Detect (geometric only) features by sampling the surface
+        // (default=false).
+        implicitFeatureSnap true;
+
+        // Use castellatedMeshControls::features (default = true)
+        explicitFeatureSnap false;
+
+        // Detect features between multiple surfaces
+        // (only for explicitFeatureSnap, default = false)
+        multiRegionFeatureSnap true;
+}
+
+
+
+// Settings for the layer addition.
+addLayersControls
+{
+    // Are the thickness parameters below relative to the undistorted
+    // size of the refined cell outside layer (true) or absolute sizes (false).
+    relativeSizes false;
+
+    // Per final patch (so not geometry!) the layer information
+    layers
+    {
+        "flange_.*"
+        {
+            nSurfaceLayers 1;
+        }
+    }
+
+    // Expansion factor for layer mesh
+    expansionRatio 1.0;
+
+
+    // Wanted thickness of final added cell layer. If multiple layers
+    // is the thickness of the layer furthest away from the wall.
+    // Relative to undistorted size of cell outside layer.
+    // is the thickness of the layer furthest away from the wall.
+    // See relativeSizes parameter.
+    finalLayerThickness 0.0003;
+
+    // Minimum thickness of cell layer. If for any reason layer
+    // cannot be above minThickness do not add layer.
+    // Relative to undistorted size of cell outside layer.
+    minThickness 0.0001;
+
+    // If points get not extruded do nGrow layers of connected faces that are
+    // also not grown. This helps convergence of the layer addition process
+    // close to features.
+    nGrow 0;
+
+
+    // Advanced settings
+
+    // When not to extrude surface. 0 is flat surface, 90 is when two faces
+    // are perpendicular
+    featureAngle 90;
+
+    // Maximum number of snapping relaxation iterations. Should stop
+    // before upon reaching a correct mesh.
+    nRelaxIter 3;
+
+    // Number of smoothing iterations of surface normals
+    nSmoothSurfaceNormals 1;
+
+    // Number of smoothing iterations of interior mesh movement direction
+    nSmoothNormals 3;
+
+    // Smooth layer thickness over surface patches
+    nSmoothThickness 10;
+
+    // Stop layer growth on highly warped cells
+    maxFaceThicknessRatio 1000;
+
+    // Reduce layer growth where ratio thickness to medial
+    // distance is large
+    maxThicknessToMedialRatio 0.3;
+
+    // Angle used to pick up medial axis points
+    minMedianAxisAngle 90;
+
+    // Create buffer region for new layer terminations
+    nBufferCellsNoExtrude 0;
+
+
+    // Overall max number of layer addition iterations. The mesher will exit
+    // if it reaches this number of iterations; possibly with an illegal
+    // mesh.
+    nLayerIter 50;
+
+    // Max number of iterations after which relaxed meshQuality controls
+    // get used. Up to nRelaxIter it uses the settings in meshQualityControls,
+    // after nRelaxIter it uses the values in meshQualityControls::relaxed.
+    nRelaxedIter 20;
+}
+
+
+
+// Generic mesh quality settings. At any undoable phase these determine
+// where to undo.
+meshQualityControls
+{
+    // Generic mesh quality settings. At any undoable phase these determine
+    // where to undo.
+    #include "meshQualityDict"
+
+    maxNonOrtho 65;
+
+    // Optional : some meshing phases allow usage of relaxed rules.
+    // See e.g. addLayersControls::nRelaxedIter.
+    relaxed
+    {
+        //- Maximum non-orthogonality allowed. Set to 180 to disable.
+        maxNonOrtho 75;
+    }
+
+    // Advanced
+
+    //- Number of error distribution iterations
+    nSmoothScale 4;
+    //- amount to scale back displacement at error points
+    errorReduction 0.75;
+}
+
+
+// Advanced
+
+// Merge tolerance. Is fraction of overall bounding box of initial mesh.
+// Note: the write tolerance needs to be higher than this.
+mergeTolerance 1E-6;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/topoSetDict-background

@@ -0,0 +1,319 @@
+/*--------------------------------*- 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       dictionary;
+    object      topoSetDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// List of actions. Each action is a dictionary with e.g.
+//     // name of set
+//     name    c0;
+//
+//     // type: pointSet/faceSet/cellSet/faceZoneSet/cellZoneSet
+//     type    cellSet;
+//
+//     // action to perform on set. Two types:
+//     // - require no source : clear/invert
+//     // - require source    : new/add/delete/subset
+//     action  new;
+//
+// The source entry varies according to the type of set:
+//
+// cellSet
+// ~~~~~~~
+//
+//    // Select by explicitly providing cell labels
+//    source labelToCell;
+//    {
+//        value (12 13 56);   // labels of cells
+//    }
+//
+//    // Copy elements from cellSet
+//    source cellToCell;
+//    {
+//        set c1;
+//    }
+//
+//    // Cells in cell zone
+//    source zoneToCell;
+//    {
+//        name ".*Zone";      // Name of cellZone, regular expressions allowed
+//    }
+//
+//    // Cells on master or slave side of faceZone
+//    source faceZoneToCell;
+//    {
+//        name ".*Zone";      // Name of faceZone, regular expressions allowed
+//        option master;      // master/slave
+//    }
+//
+//    // Select based on faceSet
+//    source faceToCell;
+//    {
+//        set f0;             // Name of faceSet
+//
+//        //option neighbour; // cell with neighbour in faceSet
+//        //option owner;     //  ,,       owner
+//        option any;         // cell with any face in faceSet
+//        //option all;       // cell with all faces in faceSet
+//    }
+//
+//    // Select based on pointSet
+//    source pointToCell;
+//    {
+//        set p0;
+//        option any;         // cell with any point in pointSet
+//        //option all;       // cell with all points in pointSet
+//    }
+//
+//    // Select based on cellShape
+//    source shapeToCell;
+//    {
+//        type hex;           // hex/wedge/prism/pyr/tet/tetWedge/splitHex
+//    }
+//
+//    // Cells with cell centre within box
+//    source boxToCell;
+//    {
+//       box   (0 0 0) (1 1 1);
+//    }
+//
+//    // Cells with cell centre within box
+//    // Is skewed, rotated box. Given as origin and three spanning vectors.
+//    source rotatedBoxToCell;
+//    {
+//       origin   (0.2 0.2 -10);
+//       i        (0.2 0.2 0);
+//       j        (-0.2 0.2 0);
+//       k        (10 10 10);
+//    }
+//
+//    // Cells with centre within cylinder
+//    source cylinderToCell;
+//    {
+//       p1       (0.2 0.2 -10); // start point on cylinder axis
+//       p2       (0.2 0.2 0);   // end point on cylinder axis
+//       radius   5.0;
+//    }
+//
+//    // Cells with centre within sphere
+//    source sphereToCell;
+//    {
+//       centre   (0.2 0.2 -10);
+//       radius   5.0;
+//    }
+//
+//    // Cells with cellCentre nearest to coordinates
+//    source nearestToCell;
+//    {
+//       points ((0 0 0) (1 1 1)(2 2 2));
+//    }
+//
+//    // Select based on surface
+//    source surfaceToCell;
+//    {
+//        file            "www.avl.com-geometry.stl";
+//        outsidePoints   ((-99 -99 -59));    // definition of outside
+//        includeCut      false;              // cells cut by surface
+//        includeInside   false;              // cells not on outside of surf
+//        includeOutside  false;              // cells on outside of surf
+//        nearDistance    -1;                 // cells with centre near surf
+//                                            // (set to -1 if not used)
+//        curvature       0.9;                // cells within nearDistance
+//                                            // and near surf curvature
+//                                            // (set to -100 if not used)
+//    }
+//
+//    // values of field within certain range
+//    source fieldToCell;
+//    {
+//        fieldName   U;      // Note: uses mag(U) since volVectorField
+//        min         0.1;
+//        max         0.5;
+//    }
+//
+//    // Mesh region (non-face connected part of (subset of)mesh)
+//    source regionToCell;
+//    {
+//        set         c0;         // name of cellSet giving mesh subset
+//        insidePoint (1 2 3);    // point inside region to select
+//    }
+//
+//
+//
+// faceSet
+// ~~~~~~~
+//
+//    // Copy elements from faceSet
+//    source faceToFace;
+//    {
+//        set f1;
+//    }
+//
+//    // Select based on cellSet
+//    source cellToFace;
+//    {
+//        set c0;
+//        option all;         // All faces of cells
+//        //option both;      // Only faces whose owner&neighbour are in cellSet
+//    }
+//
+//    // Select based on pointSet
+//    source pointToFace;
+//    {
+//        set p0;
+//        option any;         // Faces using any point in pointSet
+//        //option all        // Faces with all points in pointSet
+//    }
+//
+//    //  Select by explicitly providing face labels
+//    source labelToFace;
+//    {
+//        value (12 13 56);   // labels of faces
+//    }
+//
+//    // All faces of patch
+//    source patchToFace;
+//    {
+//        name ".*Wall";      // Name of patch, regular expressions allowed
+//    }
+//
+//    // All faces of faceZone
+//    source zoneToFace;
+//    {
+//        name ".*Zone1";     // Name of faceZone, regular expressions allowed
+//    }
+//
+//    // Faces with face centre within box
+//    source boxToFace;
+//    {
+//        box  (0 0 0) (1 1 1);
+//    }
+//
+//    // Faces with normal to within certain angle aligned with vector.
+//    source normalToFace;
+//    {
+//        normal (0 0 1);     // Vector
+//        cos     0.01;       // Tolerance (max cos of angle)
+//    }
+//
+//
+//
+// pointSet
+// ~~~~~~~
+//
+//    // Copy elements from pointSet
+//    source pointToPoint;
+//    {
+//        set p1;
+//    }
+//
+//    // Select based on cellSet
+//    source cellToPoint;
+//    {
+//        set c0;
+//        option all;         // all points of cell
+//    }
+//
+//    // Select based on faceSet
+//    source faceToPoint;
+//    {
+//        set f0;             // name of faceSet
+//        option all;         // all points of face
+//    }
+//
+//    // Select by explicitly providing point labels
+//    source labelToPoint;
+//    {
+//        value (12 13 56);   // labels of points
+//    }
+//
+//    // All points in pointzone
+//    source zoneToPoint;
+//    {
+//        name ".*Zone";      // name of pointZone, regular expressions allowed
+//    }
+//
+//    // Points nearest to coordinates
+//    source nearestToPoint;
+//    {
+//       points ((0 0 0) (1 1 1));
+//    }
+//
+//    // Points with coordinate within box
+//    source boxToPoint;
+//    {
+//       box   (0 0 0) (1 1 1);
+//    }
+//
+//    // Select based on surface
+//    source surfaceToPoint;
+//    {
+//        file            "www.avl.com-geometry.stl";
+//        nearDistance    0.1;    // points near to surface
+//        includeInside   false;  // points on inside of surface
+//                                // (requires closed surface with consistent
+//                                //  normals)
+//        includeOutside  false;  //   ,,    outside  ,,
+//    }
+//
+//
+//
+//
+// cellZoneSet
+// ~~~~~~~~~~~
+// (mirrors operations on a cellSet into a cellZone)
+//
+//    // Select based on cellSet
+//    source setToCellZone;
+//    {
+//        set c0;           // name of cellSet
+//    }
+//
+//
+//
+// faceZoneSet
+// ~~~~~~~~~~~
+//    // Select based on faceSet without orientation
+//    source setToFaceZone;
+//    {
+//        set f0;           // name of faceSet
+//    }
+//
+//    // Select based on faceSet, using cellSet to determine orientation
+//    source setsToFaceZone;
+//    {
+//        faceSet f0;       // name of faceSet
+//        cellSet c0;       // name of cellSet of slave side
+//    }
+
+actions
+(
+    {
+        name    background;
+        type    cellSet;
+        action  new;
+        source surfaceToCell;
+        sourceInfo
+        {
+            file            "constant/triSurface/flange.obj";
+            outsidePoints   ((-0.026 -0.0275 -0.0235));
+            includeCut      true;
+            includeInside   true;
+            includeOutside  false;
+            nearDistance    -1;
+            curvature       -100;
+        }
+    }
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/flange/system/topoSetDict-slices

@@ -0,0 +1,152 @@
+/*--------------------------------*- 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       dictionary;
+    object      topoSetDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+zSlice  -0.009;
+ySlice  0.0;
+xSlice  0.0;
+
+actions
+(
+    {
+        name    z;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100 -100 $zSlice)(100 100 100);
+        }
+    }
+
+    {
+        name    zf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    z;
+            option all;
+        }
+    }
+
+    {
+        name    z;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    zf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    z;
+            option all;
+        }
+    }
+
+    // ~~~~~~~~~~~~~~~~ //
+
+    {
+        name    y;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100 $ySlice -100)(100 100 100);
+        }
+    }
+
+    {
+        name    yf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    y;
+            option all;
+        }
+    }
+
+    {
+        name    y;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    yf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    y;
+            option all;
+        }
+    }
+
+    // ~~~~~~~~~~~~~~~~ //
+
+    {
+        name    x;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box ($xSlice -100 -100)(100 100 100);
+        }
+    }
+
+    {
+        name    xf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    x;
+            option all;
+        }
+    }
+
+    {
+        name    x;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    xf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    x;
+            option all;
+        }
+    }
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/0.org/U

@@ -0,0 +1,64 @@
+/*--------------------------------*- 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      binary;
+    class       volVectorField;
+    object      U;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -1 0 0 0 0];
+
+internalField   uniform (0 0 0);
+
+boundaryField
+{
+    ".*"
+    {
+        type           fixedValue;
+        value          $internalField;
+    }
+
+    gasInlet
+    {
+        type           fixedValue;
+        value          uniform (0 0 0.5);
+    }
+
+    outlet
+    {
+        type            pressureInletOutletVelocity;
+        phi             phi;
+        value           $internalField;
+    }
+
+    "(shaftRotating|stirrer)"
+    {
+        type            movingWallVelocity;
+        value           $internalField;
+    }
+
+    shaft
+    {
+        type            rotatingWallVelocity;
+        origin          (0 0 0);
+        axis            (0 0 1);
+        omega           -5;
+    }
+
+    "AMI.*"
+    {
+        type            cyclicAMI;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/0.org/alpha.phase1

@@ -0,0 +1,47 @@
+/*--------------------------------*- 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;
+    object      alpha.phase1;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 0 0 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    ".*"
+    {
+        type            zeroGradient;
+    }
+
+    gasInlet
+    {
+        type            fixedValue;
+        value           uniform 1;
+    }
+
+    outlet
+    {
+        type            inletOutlet;
+        inletValue      uniform 0;
+        value           $internalField;
+    }
+
+    "AMI.*"
+    {
+        type            cyclicAMI;
+    }
+}
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/0.org/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;
+    object      epsilon;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -3 0 0 0 0];
+
+internalField   uniform 7e-3;
+
+boundaryField
+{
+    ".*"
+    {
+        type            epsilonWallFunction;
+        value           $internalField;
+    }
+
+    gasInlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            inletOutlet;
+        inletValue      $internalField;
+        value           $internalField;
+    }
+
+    "AMI.*"
+    {
+        type            cyclicAMI;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/0.org/k

@@ -0,0 +1,49 @@
+/*--------------------------------*- 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;
+    object      k;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -2 0 0 0 0];
+
+internalField   uniform 0.01;
+
+boundaryField
+{
+    ".*"
+    {
+        type            kqRWallFunction;
+        value           $internalField;
+    }
+
+    gasInlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            inletOutlet;
+        inletValue      $internalField;
+        value           $internalField;
+    }
+
+    "AMI.*"
+    {
+        type            cyclicAMI;
+        value           $internalField;
+    }
+}
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/0.org/nut

@@ -0,0 +1,48 @@
+/*--------------------------------*- 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;
+    object      nut;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 2 -1 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    ".*"
+    {
+        type            nutkWallFunction;
+        value           $internalField;
+    }
+
+    gasInlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            inletOutlet;
+        inletValue      $internalField;
+        value           $internalField;
+    }
+
+    "AMI.*"
+    {
+        type            cyclicAMI;
+    }
+}
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/0.org/p_rgh

@@ -0,0 +1,43 @@
+/*--------------------------------*- 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;
+    object      p_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions       [1 -1 -2 0 0 0 0];
+
+internalField   uniform 1.25e5;
+
+boundaryField
+{
+    ".*"
+    {
+        type            fixedFluxPressure;
+        phi             phiAbs;
+        value           $internalField;
+    }
+
+    outlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    "AMI.*"
+    {
+        type            cyclicAMI;
+        value           $internalField;
+    }
+}
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/Allclean

@@ -0,0 +1,24 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial clean functions
+. $WM_PROJECT_DIR/bin/tools/CleanFunctions
+
+cleanCase
+
+\rm -rf 0
+\rm -rf constant/extendedFeatureEdgeMesh/
+\rm -f constant/triSurface/*.eMesh*
+\rm -f constant/triSurface/*.stl
+\rm -f constant/triSurface/*.obj
+\rm -f constant/triSurface/problemFaces
+\rm -f *.obj
+
+\rm -f constant/backgroundMeshDecomposition/polyMesh/boundary
+\rm -f constant/backgroundMeshDecomposition/polyMesh/faces
+\rm -f constant/backgroundMeshDecomposition/polyMesh/neighbour
+\rm -f constant/backgroundMeshDecomposition/polyMesh/owner
+\rm -f constant/backgroundMeshDecomposition/polyMesh/points
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/mixerVessel/Allrun

@@ -0,0 +1,13 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Generate mesh
+./Allrun-pre
+
+# Run simulation
+./Allrun-simulation
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/mixerVessel/Allrun-pre

@@ -0,0 +1,109 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+intersectSurfaces()
+{
+    runApplication              \
+        surfaceBooleanFeatures  \
+        intersection            \
+        "$@"
+
+    outputName1=$(basename $1)
+    outputName1=${outputName1%.*}
+
+    outputName2=$(basename $2)
+    outputName2=${outputName2%.*}
+
+    mv log.surfaceBooleanFeatures \
+       log.surfaceBooleanFeatures.$outputName1:$outputName2
+}
+
+# Set application name
+application=$(getApplication)
+
+# Get number of processors to run on
+nProcs=$(getNumberOfProcessors)
+
+\rm -rf 0
+
+
+# Run the surface preparation script
+./constant/triSurface/surfaceProcess.sh > log.surfaceProcess 2>&1
+
+
+# Surface intersections
+intersectSurfaces                           \
+    constant/triSurface/vessel.stl          \
+    constant/triSurface/spargerShaft.stl    \
+    -perturb
+
+intersectSurfaces                           \
+    constant/triSurface/vessel.stl          \
+    constant/triSurface/shaft.stl           \
+    -perturb
+
+intersectSurfaces                           \
+    constant/triSurface/spargerShaft.stl    \
+    constant/triSurface/spargerInlet.stl    \
+    -perturb
+
+intersectSurfaces                           \
+    constant/triSurface/stirrer.stl         \
+    constant/triSurface/shaftRotating.stl   \
+    -perturb
+
+intersectSurfaces                           \
+    constant/triSurface/stirrer_baffles.stl \
+    constant/triSurface/stirrer.stl         \
+    -surf1Baffle                            \
+    -perturb
+
+intersectSurfaces                           \
+    constant/triSurface/rotating.stl        \
+    constant/triSurface/shaft.stl           \
+    -surf1Baffle                            \
+    -perturb
+
+# Intersect blades with the plate
+for bladeI in $(seq 1 6);
+do
+    intersectSurfaces                                   \
+        constant/triSurface/stirrer_baffles_$bladeI.obj \
+        constant/triSurface/stirrer_baffles_plate.obj   \
+        -surf1Baffle                                    \
+        -surf2Baffle
+done
+
+
+# Meshing
+\cp system/controlDict.mesh system/controlDict
+\cp system/collapseDict.collapseFaces system/collapseDict
+
+runApplication blockMesh -region backgroundMeshDecomposition
+
+runApplication decomposePar -region backgroundMeshDecomposition
+
+runApplication surfaceFeatureExtract
+
+runParallel foamyHexMesh $nProcs
+
+runParallel collapseEdges $nProcs -collapseFaces -latestTime
+mv log.collapseEdges log.collapseFaces
+
+#\cp system/collapseDict.indirectPatchFaces system/collapseDict
+#runParallel collapseEdges $nProcs -collapseFaceSet indirectPatchFaces -latestTime
+#mv log.collapseEdges log.collapseFaceSet
+
+runParallel checkMesh $nProcs -allTopology -allGeometry -latestTime
+
+runApplication reconstructParMesh -latestTime
+
+# Copy the mesh into polyMesh and delete the 102 directory
+\cp -r 101/polyMesh constant
+\rm -rf 101
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/mixerVessel/Allrun-simulation

@@ -0,0 +1,40 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+\cp system/controlDict.flow system/controlDict
+
+# Set application name
+application=$(getApplication)
+
+# Get number of processors to run on
+nProcs=$(getNumberOfProcessors)
+
+\rm -rf 0
+
+runApplication createBaffles -overwrite
+runApplication mergeOrSplitBaffles -split -overwrite
+
+# Get rid of zero faced patches
+runApplication createPatch -overwrite
+
+# Copy fields after meshing to avoind the generation of unnecessary patch fields
+\cp -r 0.org 0
+
+# Initialize alpha
+runApplication setFields
+
+# Decompose
+\rm log.decomposePar
+runApplication decomposePar -force
+
+# Run
+runParallel $application $nProcs
+
+# Reconstruct
+runApplication reconstructPar -noFunctionObjects
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/mixerVessel/Alltest

@@ -0,0 +1,9 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Do nothing for now.
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/mixerVessel/constant/RASProperties

@@ -0,0 +1,25 @@
+/*--------------------------------*- 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       dictionary;
+    location    "constant";
+    object      RASProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+RASModel        kEpsilon;
+
+turbulence      on;
+
+printCoeffs     off;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/constant/backgroundMeshDecomposition/polyMesh/blockMeshDict

@@ -0,0 +1,58 @@
+/*--------------------------------*- 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       dictionary;
+    object      blockMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+convertToMeters 1e-3;
+
+vertices
+(
+    ( -309 -309 -250)
+    (  300 -309 -250)
+    (  300  300 -250)
+    ( -309  300 -250)
+    ( -309 -309 1500)
+    (  300 -309 1500)
+    (  300  300 1500)
+    ( -309  300 1500)
+);
+
+blocks
+(
+    hex (0 1 2 3 4 5 6 7) (30 30 67) simpleGrading (1 1 1)
+);
+
+edges
+(
+);
+
+boundary
+(
+    allBoundary
+    {
+        type patch;
+        faces
+        (
+            (3 7 6 2)
+            (0 4 7 3)
+            (2 6 5 1)
+            (1 5 4 0)
+            (0 3 2 1)
+            (4 5 6 7)
+        );
+    }
+);
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/constant/dynamicMeshDict

@@ -0,0 +1,36 @@
+/*--------------------------------*- 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       dictionary;
+    location    "constant";
+    object      dynamicMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dynamicFvMesh   solidBodyMotionFvMesh;
+
+motionSolverLibs ( "libfvMotionSolvers.so" );
+
+solidBodyMotionFvMeshCoeffs
+{
+    cellZone        rotating;
+
+    solidBodyMotionFunction  rotatingMotion;
+    rotatingMotionCoeffs
+    {
+        origin        (0 0 0);
+        axis          (0 0 1);
+        omega         -5; // 5 rad/s
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/constant/g

@@ -0,0 +1,22 @@
+/*--------------------------------*- 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       uniformDimensionedVectorField;
+    location    "constant";
+    object      g;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 1 -2 0 0 0 0];
+value           ( 0 0 -9.81 );
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/constant/transportProperties

@@ -0,0 +1,36 @@
+/*--------------------------------*- 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       dictionary;
+    location    "constant";
+    object      transportProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+phases (phase1 phase2);
+
+phase1
+{
+    transportModel  Newtonian;
+    nu              nu [ 0 2 -1 0 0 0 0 ] 1e-06;
+    rho             rho [ 1 -3 0 0 0 0 0 ] 300;
+}
+
+phase2
+{
+    transportModel  Newtonian;
+    nu              nu [ 0 2 -1 0 0 0 0 ] 1e-6;
+    rho             rho [ 1 -3 0 0 0 0 0 ] 1027;
+}
+
+sigma           sigma [ 1 0 -2 0 0 0 0 ] 0.07;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/rawSurfaces/baffles.stl

@@ -0,0 +1,114 @@
+solid baffles
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex 0.137322 -0.137322 0.025
+   vertex 0.137322 -0.137322 0.4
+   vertex 0.155 -0.155 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex 0.137322 -0.137322 0.4
+   vertex 0.155 -0.155 0.4
+   vertex 0.155 -0.155 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex 0.155 -0.155 0.025
+   vertex 0.155 -0.155 0.4
+   vertex 0.172678 -0.172678 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex 0.155 -0.155 0.4
+   vertex 0.172678 -0.172678 0.4
+   vertex 0.172678 -0.172678 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex 0.137322 -0.137322 0.4
+   vertex 0.137322 -0.137322 0.775
+   vertex 0.155 -0.155 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex 0.137322 -0.137322 0.775
+   vertex 0.155 -0.155 0.775
+   vertex 0.155 -0.155 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex 0.155 -0.155 0.4
+   vertex 0.155 -0.155 0.775
+   vertex 0.172678 -0.172678 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex 0.155 -0.155 0.775
+   vertex 0.172678 -0.172678 0.775
+   vertex 0.172678 -0.172678 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex -0.172678 0.172678 0.025
+   vertex -0.172678 0.172678 0.4
+   vertex -0.155 0.155 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex -0.172678 0.172678 0.4
+   vertex -0.155 0.155 0.4
+   vertex -0.155 0.155 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex -0.155 0.155 0.025
+   vertex -0.155 0.155 0.4
+   vertex -0.137322 0.137322 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex -0.155 0.155 0.4
+   vertex -0.137322 0.137322 0.4
+   vertex -0.137322 0.137322 0.025
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex -0.172678 0.172678 0.4
+   vertex -0.172678 0.172678 0.775
+   vertex -0.155 0.155 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex -0.172678 0.172678 0.775
+   vertex -0.155 0.155 0.775
+   vertex -0.155 0.155 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 -0
+  outer loop
+   vertex -0.155 0.155 0.4
+   vertex -0.155 0.155 0.775
+   vertex -0.137322 0.137322 0.4
+  endloop
+ endfacet
+ facet normal 0.707107 0.707107 0
+  outer loop
+   vertex -0.155 0.155 0.775
+   vertex -0.137322 0.137322 0.775
+   vertex -0.137322 0.137322 0.4
+  endloop
+ endfacet
+endsolid baffles

tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/rawSurfaces/gasInlet.stl

@@ -0,0 +1,254 @@
+solid gasInlet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0984808 0.0173648 0
+   vertex 0 0 0
+   vertex 0.1 0 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0939693 0.034202 0
+   vertex 0 0 0
+   vertex 0.0984808 0.0173648 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0866025 0.05 0
+   vertex 0 0 0
+   vertex 0.0939693 0.034202 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0766044 0.0642788 0
+   vertex 0 0 0
+   vertex 0.0866025 0.05 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0642788 0.0766044 0
+   vertex 0 0 0
+   vertex 0.0766044 0.0642788 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.05 0.0866025 0
+   vertex 0 0 0
+   vertex 0.0642788 0.0766044 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.034202 0.0939693 0
+   vertex 0 0 0
+   vertex 0.05 0.0866025 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0173648 0.0984808 0
+   vertex 0 0 0
+   vertex 0.034202 0.0939693 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 6.12323e-18 0.1 0
+   vertex 0 0 0
+   vertex 0.0173648 0.0984808 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.0173648 0.0984808 0
+   vertex 0 0 0
+   vertex 6.12323e-18 0.1 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.034202 0.0939693 0
+   vertex 0 0 0
+   vertex -0.0173648 0.0984808 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.05 0.0866025 0
+   vertex 0 0 0
+   vertex -0.034202 0.0939693 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.0642788 0.0766044 0
+   vertex 0 0 0
+   vertex -0.05 0.0866025 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.0766044 0.0642788 0
+   vertex 0 0 0
+   vertex -0.0642788 0.0766044 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.0866025 0.05 0
+   vertex 0 0 0
+   vertex -0.0766044 0.0642788 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.0939693 0.034202 0
+   vertex 0 0 0
+   vertex -0.0866025 0.05 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.0984808 0.0173648 0
+   vertex 0 0 0
+   vertex -0.0939693 0.034202 0
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.1 1.22465e-17 0
+   vertex 0 0 0
+   vertex -0.0984808 0.0173648 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.0984808 -0.0173648 0
+   vertex 0 0 0
+   vertex -0.1 1.22465e-17 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.0939693 -0.034202 0
+   vertex 0 0 0
+   vertex -0.0984808 -0.0173648 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.0866025 -0.05 0
+   vertex 0 0 0
+   vertex -0.0939693 -0.034202 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.0766044 -0.0642788 0
+   vertex 0 0 0
+   vertex -0.0866025 -0.05 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.0642788 -0.0766044 0
+   vertex 0 0 0
+   vertex -0.0766044 -0.0642788 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.05 -0.0866025 0
+   vertex 0 0 0
+   vertex -0.0642788 -0.0766044 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.034202 -0.0939693 0
+   vertex 0 0 0
+   vertex -0.05 -0.0866025 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -0.0173648 -0.0984808 0
+   vertex 0 0 0
+   vertex -0.034202 -0.0939693 0
+  endloop
+ endfacet
+ facet normal 0 -0 1
+  outer loop
+   vertex -1.83697e-17 -0.1 0
+   vertex 0 0 0
+   vertex -0.0173648 -0.0984808 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0173648 -0.0984808 0
+   vertex 0 0 0
+   vertex -1.83697e-17 -0.1 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.034202 -0.0939693 0
+   vertex 0 0 0
+   vertex 0.0173648 -0.0984808 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.05 -0.0866025 0
+   vertex 0 0 0
+   vertex 0.034202 -0.0939693 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0642788 -0.0766044 0
+   vertex 0 0 0
+   vertex 0.05 -0.0866025 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0766044 -0.0642788 0
+   vertex 0 0 0
+   vertex 0.0642788 -0.0766044 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0866025 -0.05 0
+   vertex 0 0 0
+   vertex 0.0766044 -0.0642788 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0939693 -0.034202 0
+   vertex 0 0 0
+   vertex 0.0866025 -0.05 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.0984808 -0.0173648 0
+   vertex 0 0 0
+   vertex 0.0939693 -0.034202 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex 0.1 -2.44929e-17 0
+   vertex 0 0 0
+   vertex 0.0984808 -0.0173648 0
+  endloop
+ endfacet
+endsolid gasInlet

tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/rawSurfaces/outlet.stl

@@ -0,0 +1,240 @@
+solid outlet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.13 -0.1 1.3
+   vertex -0.129544 -0.105209 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.125981 -0.115 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.128191 -0.110261 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.128191 -0.110261 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.129544 -0.105209 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.122981 -0.119284 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.125981 -0.115 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.119284 -0.122981 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.122981 -0.119284 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.115 -0.125981 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.119284 -0.122981 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.110261 -0.128191 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.115 -0.125981 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.105209 -0.129544 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.110261 -0.128191 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.1 -0.13 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.105209 -0.129544 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0947905 -0.129544 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.1 -0.13 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0897394 -0.128191 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0947905 -0.129544 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.085 -0.125981 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0897394 -0.128191 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0807164 -0.122981 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.085 -0.125981 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0770187 -0.119284 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0807164 -0.122981 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0740192 -0.115 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0770187 -0.119284 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0718092 -0.110261 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0740192 -0.115 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0704558 -0.105209 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0718092 -0.110261 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.07 -0.1 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0704558 -0.105209 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0704558 -0.0947905 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.07 -0.1 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0718092 -0.0897394 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0704558 -0.0947905 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0740192 -0.085 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0718092 -0.0897394 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0770187 -0.0807164 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0740192 -0.085 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0807164 -0.0770187 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0770187 -0.0807164 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.085 -0.0740192 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0807164 -0.0770187 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0897394 -0.0718092 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.085 -0.0740192 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.0947905 -0.0704558 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0897394 -0.0718092 1.3
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -0.1 -0.07 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.0947905 -0.0704558 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.105209 -0.0704558 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.1 -0.07 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.110261 -0.0718092 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.105209 -0.0704558 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.115 -0.0740192 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.110261 -0.0718092 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.119284 -0.0770187 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.115 -0.0740192 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.122981 -0.0807164 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.119284 -0.0770187 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.125981 -0.085 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.122981 -0.0807164 1.3
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex -0.128191 -0.0897394 1.3
+   vertex -0.129544 -0.0947905 1.3
+   vertex -0.125981 -0.085 1.3
+  endloop
+ endfacet
+endsolid ascii

tutorials/mesh/foamyHexMesh/mixerVessel/constant/triSurface/surfaceProcess.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+cd ${0%/*} || exit 1    # run from this directory
+
+\cp rawSurfaces/*.stl .
+
+
+# Vessel surface
+surfaceAdd outlet.stl vessel.stl vessel.stl
+
+# Sparger
+surfaceCheck sparger.stl
+surfaceAdd gasInlet.stl sparger_0.obj spargerInlet.stl
+surfaceConvert sparger_1.obj spargerShaft.stl
+surfaceOrient -inside spargerInlet.stl "(0 0.1 1)" spargerInlet.stl
+surfaceOrient -inside spargerShaft.stl "(0 0.1 -0.1)" spargerShaft.stl
+
+# Rotating shaft
+surfaceOrient -inside shaftRotating.stl "(0 0.1 1)" shaftRotating.stl
+
+# Static shaft
+surfaceOrient -inside shaft.stl "(0 0.1 1)" shaft.stl
+
+# Stirrer
+surfaceSplitByTopology stirrer.stl stirrer.stl
+surfaceOrient -inside stirrer.stl "(0 0.1 1)" stirrer.stl
+
+\mv stirrer_bafflePart_0.stl stirrer_baffles.stl
+
+surfaceCheck stirrer_baffles.stl
+\mv stirrer_baffles_0.obj stirrer_baffles_plate.obj
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/mixerVessel/constant/turbulenceProperties

@@ -0,0 +1,20 @@
+/*--------------------------------*- 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       dictionary;
+    location    "constant";
+    object      turbulenceProperties;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+simulationType RASModel;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/backgroundMeshDecomposition

@@ -0,0 +1 @@
+.

tutorials/mesh/foamyHexMesh/mixerVessel/system/cellShapeControlMesh

@@ -0,0 +1 @@
+.

tutorials/mesh/foamyHexMesh/mixerVessel/system/collapseDict

@@ -0,0 +1,85 @@
+/*--------------------------------*- 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           dictionary;
+    object          collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// If on, after collapsing check the quality of the mesh. If bad faces are
+// generated then redo the collapsing with stricter filtering.
+controlMeshQuality      on;
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   1e-6;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   180;
+}
+
+
+collapseFacesCoeffs
+{
+    // The initial face length factor
+    initialFaceLengthFactor                 1;
+
+    // If the face can't be collapsed to an edge, and it has a span less than
+    // the target face length multiplied by this coefficient, collapse it
+    // to a point.
+    maxCollapseFaceToPointSideLengthCoeff   0.3;
+
+    // Allow early collapse of edges to a point
+    allowEarlyCollapseToPoint               on;
+
+    // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
+    // allowEarlyCollapseToPoint is enabled
+    allowEarlyCollapseCoeff                 0.2;
+
+    // Defining how close to the midpoint (M) of the projected
+    // vertices line a projected vertex (X) can be before making this
+    // an invalid edge collapse
+    //
+    // X---X-g----------------M----X-----------g----X--X
+    //
+    // Only allow a collapse if all projected vertices are outwith
+    // guardFraction (g) of the distance form the face centre to the
+    // furthest vertex in the considered direction
+    guardFraction                           0.1;
+}
+
+
+controlMeshQualityCoeffs
+{
+    // Name of the dictionary that has the mesh quality coefficients used
+    // by motionSmoother::checkMesh
+    #include                    "meshQualityDict";
+
+    // The amount that minimumEdgeLength will be reduced by for each
+    // edge if that edge's collapse generates a poor quality face
+    edgeReductionFactor         0.5;
+
+    // The amount that initialFaceLengthFactor will be reduced by for each
+    // face if its collapse generates a poor quality face
+    faceReductionFactor         0.5;
+
+    // Maximum number of outer iterations is mesh quality checking is enabled
+    maximumIterations           10;
+
+    maximumSmoothingIterations  1;
+
+    maxPointErrorCount          3;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/collapseDict.collapseFaces

@@ -0,0 +1,85 @@
+/*--------------------------------*- 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           dictionary;
+    object          collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// If on, after collapsing check the quality of the mesh. If bad faces are
+// generated then redo the collapsing with stricter filtering.
+controlMeshQuality      on;
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   1e-6;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   180;
+}
+
+
+collapseFacesCoeffs
+{
+    // The initial face length factor
+    initialFaceLengthFactor                 0.35;
+
+    // If the face can't be collapsed to an edge, and it has a span less than
+    // the target face length multiplied by this coefficient, collapse it
+    // to a point.
+    maxCollapseFaceToPointSideLengthCoeff   0.3;
+
+    // Allow early collapse of edges to a point
+    allowEarlyCollapseToPoint               on;
+
+    // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
+    // allowEarlyCollapseToPoint is enabled
+    allowEarlyCollapseCoeff                 0.2;
+
+    // Defining how close to the midpoint (M) of the projected
+    // vertices line a projected vertex (X) can be before making this
+    // an invalid edge collapse
+    //
+    // X---X-g----------------M----X-----------g----X--X
+    //
+    // Only allow a collapse if all projected vertices are outwith
+    // guardFraction (g) of the distance form the face centre to the
+    // furthest vertex in the considered direction
+    guardFraction                           0.1;
+}
+
+
+controlMeshQualityCoeffs
+{
+    // Name of the dictionary that has the mesh quality coefficients used
+    // by motionSmoother::checkMesh
+    #include                    "meshQualityDict";
+
+    // The amount that minimumEdgeLength will be reduced by for each
+    // edge if that edge's collapse generates a poor quality face
+    edgeReductionFactor         0.5;
+
+    // The amount that initialFaceLengthFactor will be reduced by for each
+    // face if its collapse generates a poor quality face
+    faceReductionFactor         0.5;
+
+    // Maximum number of outer iterations is mesh quality checking is enabled
+    maximumIterations           10;
+
+    maximumSmoothingIterations  1;
+
+    maxPointErrorCount          3;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/collapseDict.indirectPatchFaces

@@ -0,0 +1,85 @@
+/*--------------------------------*- 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           dictionary;
+    object          collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// If on, after collapsing check the quality of the mesh. If bad faces are
+// generated then redo the collapsing with stricter filtering.
+controlMeshQuality      on;
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   1e-6;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   180;
+}
+
+
+collapseFacesCoeffs
+{
+    // The initial face length factor
+    initialFaceLengthFactor                 1;
+
+    // If the face can't be collapsed to an edge, and it has a span less than
+    // the target face length multiplied by this coefficient, collapse it
+    // to a point.
+    maxCollapseFaceToPointSideLengthCoeff   0.3;
+
+    // Allow early collapse of edges to a point
+    allowEarlyCollapseToPoint               on;
+
+    // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
+    // allowEarlyCollapseToPoint is enabled
+    allowEarlyCollapseCoeff                 0.2;
+
+    // Defining how close to the midpoint (M) of the projected
+    // vertices line a projected vertex (X) can be before making this
+    // an invalid edge collapse
+    //
+    // X---X-g----------------M----X-----------g----X--X
+    //
+    // Only allow a collapse if all projected vertices are outwith
+    // guardFraction (g) of the distance form the face centre to the
+    // furthest vertex in the considered direction
+    guardFraction                           0.1;
+}
+
+
+controlMeshQualityCoeffs
+{
+    // Name of the dictionary that has the mesh quality coefficients used
+    // by motionSmoother::checkMesh
+    #include                    "meshQualityDict";
+
+    // The amount that minimumEdgeLength will be reduced by for each
+    // edge if that edge's collapse generates a poor quality face
+    edgeReductionFactor         0.5;
+
+    // The amount that initialFaceLengthFactor will be reduced by for each
+    // face if its collapse generates a poor quality face
+    faceReductionFactor         0.5;
+
+    // Maximum number of outer iterations is mesh quality checking is enabled
+    maximumIterations           10;
+
+    maximumSmoothingIterations  1;
+
+    maxPointErrorCount          3;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/controlDict

@@ -0,0 +1,48 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      controlDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+application     foamyHexMesh;
+
+startFrom       startTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         100;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   100;
+
+purgeWrite      0;
+
+writeFormat     binary;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/controlDict.flow

@@ -0,0 +1,56 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      controlDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+application     interDyMFoam;
+
+startFrom       startTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         5.0;
+
+deltaT          1e-4;
+
+writeControl    adjustableRunTime;
+
+writeInterval   0.05;
+
+purgeWrite      0;
+
+writeFormat     binary;
+
+writePrecision  6;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   10;
+
+runTimeModifiable yes;
+
+adjustTimeStep  yes;
+
+maxCo           1.5;
+
+maxAlphaCo      1;
+
+maxDeltaT       1;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/controlDict.mesh

@@ -0,0 +1,48 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      controlDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+application     foamyHexMesh;
+
+startFrom       startTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         100;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   100;
+
+purgeWrite      0;
+
+writeFormat     binary;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/createBafflesDict

@@ -0,0 +1,103 @@
+/*--------------------------------*- 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       dictionary;
+    object      createBafflesDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Whether to convert internal faces only (so leave boundary faces intact).
+// This is only relevant if your face selection type can pick up boundary
+// faces.
+internalFacesOnly true;
+
+
+// Baffles to create.
+baffles
+{
+    baffles
+    {
+        //- Use predefined faceZone to select faces and orientation.
+        type        faceZone;
+        zoneName    baffles;
+
+        patches
+        {
+            master
+            {
+                //- Master side patch
+                name            baffles;
+                type            wall;
+            }
+            slave
+            {
+                ${..master}
+            }
+        }
+    }
+
+    stirrer_baffles
+    {
+        //- Use predefined faceZone to select faces and orientation.
+        type        faceZone;
+        zoneName    stirrer_baffles;
+
+        patches
+        {
+            master
+            {
+                //- Master side patch
+                name            stirrer_baffles;
+                type            wall;
+            }
+            slave
+            {
+                ${..master}
+            }
+        }
+    }
+
+    rotating
+    {
+        //- Use predefined faceZone to select faces and orientation.
+        type        faceZone;
+        zoneName    rotating;
+
+        patches
+        {
+            master
+            {
+                //- Master side patch
+                name            AMI1;
+                type            cyclicAMI;
+                matchTolerance  0.0001;
+                neighbourPatch  AMI2;
+                transform       noOrdering;
+                // Switch to zero-gradient for low weights
+                lowWeightCorrection 0.2;
+            }
+
+            slave
+            {
+                //- Slave side patch
+                name            AMI2;
+                type            cyclicAMI;
+                matchTolerance  0.0001;
+                neighbourPatch  AMI1;
+                transform       noOrdering;
+                lowWeightCorrection 0.2;
+            }
+        }
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/createPatchDict

@@ -0,0 +1,27 @@
+/*--------------------------------*- 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       dictionary;
+    object      createPatchDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Do a synchronisation of coupled points after creation of any patches.
+// Note: this does not work with points that are on multiple coupled patches
+//       with transformations (i.e. cyclics).
+pointSync false;
+
+// Patches to create.
+patches
+(
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/decomposeParDict

@@ -0,0 +1,47 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      decomposeParDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+numberOfSubdomains 8;
+
+//method          ptscotch;
+method          hierarchical;
+//method          scotch;
+
+simpleCoeffs
+{
+    n               ( 2 2 1 );
+    delta           0.001;
+}
+
+hierarchicalCoeffs
+{
+    n               ( 2 2 2 );
+    delta           0.001;
+    order           xyz;
+}
+
+manualCoeffs
+{
+    dataFile        "";
+}
+
+distributed     no;
+
+roots           ( );
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/foamyHexMeshDict

@@ -0,0 +1,109 @@
+/*--------------------------------*- 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           dictionary;
+    object          foamyHexMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#include "$WM_PROJECT_DIR/etc/caseDicts/foamyHexMeshDict"
+
+geometry
+{
+    #include "meshDict.geometry"
+}
+
+
+initialPoints
+{
+    //initialPointsMethod         pointFile;
+    initialPointsMethod         autoDensity;
+
+    autoDensityCoeffs
+    {
+        minLevels               2;
+        maxSizeRatio            2.0;
+        sampleResolution        5;
+        surfaceSampleResolution 5;
+    }
+
+    pointFileCoeffs
+    {
+        insideOutsideCheck off;
+        randomiseInitialGrid off;
+        randomPerturbationCoeff 1e-3;
+        pointFile "0/internalDelaunayVertices";
+    }
+}
+
+
+surfaceConformation
+{
+    locationInMesh                      (0 0.1 1.0);
+
+    #include "meshDict.conformationSurfaces"
+
+    featurePointExclusionDistanceCoeff  0.65;
+    featureEdgeExclusionDistanceCoeff   0.5;
+    maxSurfaceProtrusionCoeff           0.1;
+
+    conformationControls
+    {
+        edgeSearchDistCoeff             5;
+        surfacePtReplaceDistCoeff       0.5;
+        surfacePtExclusionDistanceCoeff 0.5;
+        maxIterations                   15;
+        iterationToInitialHitRatioLimit 0.0001;
+    }
+}
+
+
+motionControl
+{
+    defaultCellSize             6e-3;
+
+    minimumCellSizeCoeff        0.1;
+
+    maxRefinementIterations     1;
+
+    maxSmoothingIterations      100;
+
+    shapeControlFunctions
+    {
+        #include "meshDict.cellShapeControl"
+    }
+
+    objOutput                   no;
+
+    timeChecks                  no;
+}
+
+
+backgroundMeshDecomposition
+{
+    minLevels           1;
+    sampleResolution    4;
+    spanScale           20;
+    maxCellWeightCoeff  20;
+}
+
+
+polyMeshFiltering
+{
+    writeBackgroundMeshDecomposition    true;
+    writeCellShapeControlMesh           true;
+    writeTetDualMesh                    false;
+    filterEdges                         on;
+    filterFaces                         off;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/fvSchemes

@@ -0,0 +1,66 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSchemes;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+ddtSchemes
+{
+    default         Euler;
+}
+
+gradSchemes
+{
+    default         Gauss linear;
+    grad(U)         cellLimited Gauss linear 1;
+}
+
+divSchemes
+{
+    div(rhoPhi,U)  Gauss linearUpwind grad(U);
+    div(phi,alpha)  Gauss vanLeer;
+    div(phirb,alpha) Gauss linear;
+    div(phid1,p_rgh) Gauss upwind;
+    div(phid2,p_rgh) Gauss upwind;
+    div(rhoPhi,T)  Gauss linearUpwind unlimited;
+    div(rhoPhi,K)  Gauss upwind;
+    div(phi,k)  Gauss upwind;
+    div(phi,epsilon) Gauss upwind;
+    div((muEff*dev(T(grad(U))))) Gauss linear;
+}
+
+laplacianSchemes
+{
+    default         Gauss linear limited 0.333;
+}
+
+interpolationSchemes
+{
+    default         linear;
+}
+
+snGradSchemes
+{
+    default         limited 0.333;
+}
+
+fluxRequired
+{
+    default         no;
+    p_rgh;
+    pcorr;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/fvSolution

@@ -0,0 +1,111 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSolution;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+solvers
+{
+    alpha.phase1
+    {
+        nAlphaCorr          1;
+        nAlphaSubCycles     2;
+        cAlpha              1;
+    }
+
+    p_rgh
+    {
+        solver          GAMG;
+        tolerance       1e-6;
+        relTol          0.02;
+        smoother        GaussSeidel;
+        cacheAgglomeration true;
+        nCellsInCoarsestLevel 10;
+        agglomerator    faceAreaPair;
+        nPreSweeps      0;
+        nPostSweeps     2;
+        mergeLevels     1;
+    }
+
+    pcorr
+    {
+        $p_rgh;
+        tolerance       0.1;
+        relTol          0;
+    }
+
+    p_rghFinal
+    {
+        $p_rgh;
+        relTol          0;
+    }
+
+    pcorrFinal
+    {
+        $pcorr;
+        tolerance       0.1;
+        relTol          0;
+    }
+
+    ".*(rho|rhoFinal)"
+    {
+        solver          diagonal;
+    }
+
+    "U.*"
+    {
+        solver          smoothSolver;
+        smoother        symGaussSeidel;
+        tolerance       1e-6;
+        relTol          0;
+    }
+
+    "(T|k|epsilon).*"
+    {
+        solver          smoothSolver;
+        smoother        symGaussSeidel;
+        tolerance       1e-6;
+        relTol          0;
+    }
+}
+
+PIMPLE
+{
+    momentumPredictor   yes;
+    correctPhi          yes;
+    transSonic          no;
+    nOuterCorrectors    1;
+    nCorrectors         3;
+    nNonOrthogonalCorrectors 0;
+    nAlphaCorr          1;
+    nAlphaSubCycles     2;
+    cAlpha              1;
+}
+
+relaxationFactors
+{
+    fields
+    {
+    }
+    equations
+    {
+        "U.*"           1;
+        "k.*"           1;
+        "epsilon.*"     1;
+        "T.*"           1;
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.cellShapeControl

@@ -0,0 +1,189 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshDict.cellShapeControl;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+vessel
+{
+    type                        searchableSurfaceControl;
+    priority                    1;
+    mode                        inside;
+    forceInitialPointInsertion  off;
+
+    surfaceCellSizeFunction     uniformValue;
+    uniformValueCoeffs
+    {
+        surfaceCellSizeCoeff    1;
+    }
+
+    cellSizeFunction            uniform;
+    uniformCoeffs{}
+
+    regions
+    {
+        vessel
+        {
+            surfaceCellSizeFunction     uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff    1;
+            }
+
+            cellSizeFunction            uniform;
+            uniformCoeffs{}
+        }
+
+        outlet
+        {
+            priority                    2;
+            surfaceCellSizeFunction     uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff    0.5;
+            }
+
+            cellSizeFunction            uniformDistance;
+            uniformDistanceCoeffs
+            {
+                distanceCoeff           2;
+            }
+        }
+    }
+}
+
+shaftRotating
+{
+    type                        searchableSurfaceControl;
+    priority                    2;
+    mode                        inside;
+    forceInitialPointInsertion  on;
+
+    surfaceCellSizeFunction     uniformValue;
+    uniformValueCoeffs
+    {
+        surfaceCellSizeCoeff    0.5;
+    }
+
+    cellSizeFunction            linearDistance;
+    linearDistanceCoeffs
+    {
+        distanceCellSizeCoeff   1;
+        distanceCoeff           4;
+    }
+}
+
+shaft
+{
+    ${shaftRotating};
+}
+
+stirrer
+{
+    ${shaftRotating};
+}
+
+spargerInlet
+{
+    type                        searchableSurfaceControl;
+    priority                    2;
+    mode                        inside;
+    forceInitialPointInsertion  on;
+
+    surfaceCellSizeFunction     uniformValue;
+    uniformValueCoeffs
+    {
+        surfaceCellSizeCoeff    0.5;
+    }
+
+    cellSizeFunction            linearDistance;
+    linearDistanceCoeffs
+    {
+        distanceCellSizeCoeff   1;
+        distanceCoeff           4;
+    }
+}
+
+spargerShaft
+{
+    ${spargerInlet}
+}
+
+stirrer_baffles
+{
+    type                        searchableSurfaceControl;
+    priority                    2;
+    mode                        bothSides;
+    forceInitialPointInsertion  on;
+
+    surfaceCellSizeFunction     uniformValue;
+    uniformValueCoeffs
+    {
+        surfaceCellSizeCoeff    0.5;
+    }
+
+    cellSizeFunction            linearDistance;
+    linearDistanceCoeffs
+    {
+        distanceCellSizeCoeff   1;
+        distanceCoeff           4;
+    }
+}
+
+rotating
+{
+    type                        searchableSurfaceControl;
+    priority                    2;
+    mode                        bothSides;
+    forceInitialPointInsertion  on;
+
+    surfaceCellSizeFunction     uniformValue;
+    uniformValueCoeffs
+    {
+        surfaceCellSizeCoeff    1;
+    }
+
+    cellSizeFunction            uniform;
+    uniformCoeffs{}
+    //cellSizeFunction            linearDistance;
+    //linearDistanceCoeffs
+    //{
+    //    distanceCellSizeCoeff   1;
+    //    distanceCoeff           4;
+    //}
+}
+
+baffles
+{
+    ${rotating}
+/*    type                        searchableSurfaceControl;*/
+/*    priority                    3;*/
+/*    mode                        bothSides;*/
+/*    forceInitialPointInsertion  on;*/
+
+/*    surfaceCellSizeFunction     uniformValue;*/
+/*    uniformValueCoeffs*/
+/*    {*/
+/*        surfaceCellSizeCoeff    0.25;*/
+/*    }*/
+
+/*    cellSizeFunction            linearDistance;*/
+/*    linearDistanceCoeffs*/
+/*    {*/
+/*        distanceCellSizeCoeff   1;*/
+/*        distanceCoeff           4;*/
+/*    }*/
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.conformationSurfaces

@@ -0,0 +1,228 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshDict.conformationSurfaces;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+geometryToConformTo
+{
+    spargerInlet
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "spargerInlet.extendedFeatureEdgeMesh";
+
+        regions
+        {
+            gasInlet
+            {
+                patchInfo
+                {
+                    type patch;
+                }
+            }
+
+            sparger
+            {
+                patchInfo
+                {
+                    type     wall;
+                    inGroups (meshedWalls);
+                }
+            }
+        }
+    }
+
+    spargerShaft
+    {
+        featureMethod           none;
+        patchInfo
+        {
+            type     wall;
+            inGroups (meshedWalls);
+        }
+    }
+
+    vessel
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "vessel.extendedFeatureEdgeMesh";
+        regions
+        {
+            outlet
+            {
+                patchInfo
+                {
+                    type patch;
+                }
+            }
+            vessel
+            {
+                patchInfo
+                {
+                    type     wall;
+                    inGroups (meshedWalls);
+                }
+            }
+        }
+    }
+
+    shaftRotating
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "shaftRotating.extendedFeatureEdgeMesh";
+        patchInfo
+        {
+            type     wall;
+            inGroups (meshedWalls);
+        }
+    }
+
+    shaft
+    {
+        featureMethod           none;
+        patchInfo
+        {
+            type     wall;
+            inGroups (meshedWalls);
+        }
+    }
+
+    stirrer
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer.extendedFeatureEdgeMesh";
+        patchInfo
+        {
+            type     wall;
+            inGroups (meshedWalls);
+        }
+    }
+
+    stirrer_baffles
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles.extendedFeatureEdgeMesh";
+        patchInfo
+        {
+            type     wall;
+            inGroups (meshedWalls);
+        }
+        meshableSide            both;
+
+        faceZone                stirrer_baffles;
+    }
+
+    rotating
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "rotating.extendedFeatureEdgeMesh";
+        meshableSide            both;
+
+        faceZone                rotating;
+        cellZone                rotating;
+        cellZoneInside          inside;
+    }
+
+    baffles
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "baffles.extendedFeatureEdgeMesh";
+        patchInfo
+        {
+            type     wall;
+            inGroups (meshedWalls);
+        }
+        meshableSide            both;
+
+        faceZone                baffles;
+    }
+}
+
+
+additionalFeatures
+{
+    spargerShaft_spargerInlet_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "spargerShaft_spargerInlet_intersection.extendedFeatureEdgeMesh";
+    }
+
+    vessel_shaft_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "vessel_shaft_intersection.extendedFeatureEdgeMesh";
+    }
+
+    vessel_spargerShaft_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "vessel_spargerShaft_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_shaftRotating_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_shaftRotating_intersection.extendedFeatureEdgeMesh";
+    }
+
+    rotating_shaft_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "rotating_shaft_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_stirrer_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_stirrer_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_1_stirrer_baffles_plate_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_1_stirrer_baffles_plate_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_2_stirrer_baffles_plate_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_2_stirrer_baffles_plate_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_3_stirrer_baffles_plate_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_3_stirrer_baffles_plate_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_4_stirrer_baffles_plate_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_4_stirrer_baffles_plate_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_5_stirrer_baffles_plate_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_5_stirrer_baffles_plate_intersection.extendedFeatureEdgeMesh";
+    }
+
+    stirrer_baffles_6_stirrer_baffles_plate_intersection
+    {
+        featureMethod           extendedFeatureEdgeMesh;
+        extendedFeatureEdgeMesh "stirrer_baffles_6_stirrer_baffles_plate_intersection.extendedFeatureEdgeMesh";
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/meshDict.geometry

@@ -0,0 +1,155 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshDict.geometry;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+vessel.stl
+{
+    name vessel;
+    type triSurfaceMesh;
+
+    regions
+    {
+        outlet {name outlet;}
+        vessel {name vessel;}
+    }
+}
+
+
+spargerInlet.stl
+{
+    name spargerInlet;
+    type triSurfaceMesh;
+
+    regions
+    {
+        gasInlet
+        {
+            name gasInlet;
+        }
+
+        sparger
+        {
+            name sparger;
+        }
+    }
+}
+
+
+spargerShaft.stl
+{
+    name spargerShaft;
+    type triSurfaceMesh;
+
+    regions
+    {
+        sparger
+        {
+            name spargerShaft;
+        }
+    }
+}
+
+
+shaftRotating.stl
+{
+    name shaftRotating;
+    type triSurfaceMesh;
+
+    regions
+    {
+        shaftRotating
+        {
+            name shaftRotating;
+        }
+    }
+}
+
+
+shaft.stl
+{
+    name shaft;
+    type triSurfaceMesh;
+
+    regions
+    {
+        shaft
+        {
+            name shaft;
+        }
+    }
+}
+
+
+stirrer_baffles.stl
+{
+    name stirrer_baffles;
+    type triSurfaceMesh;
+
+    regions
+    {
+        stirrer
+        {
+            name stirrer_baffles;
+        }
+    }
+}
+
+
+stirrer.stl
+{
+    name stirrer;
+    type triSurfaceMesh;
+
+    regions
+    {
+        stirrer
+        {
+            name stirrer;
+        }
+    }
+}
+
+
+rotating.stl
+{
+    name rotating;
+    type triSurfaceMesh;
+
+    regions
+    {
+        MRF
+        {
+            name rotating;
+        }
+    }
+}
+
+
+baffles.stl
+{
+    name baffles;
+    type triSurfaceMesh;
+
+    regions
+    {
+        baffles
+        {
+            name baffles;
+        }
+    }
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/meshQualityDict

@@ -0,0 +1,30 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshQualityControls;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+maxNonOrtho         60;
+maxBoundarySkewness 50;
+maxInternalSkewness 10;
+maxConcave          80;
+minVol              1e-20;
+minTetQuality       1e-30;
+minArea             -1;
+minTwist            0.0;
+minDeterminant      0.001;
+minFaceWeight       0.02;
+minVolRatio         0.01;
+minTriangleTwist    -1;
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/setFieldsDict

@@ -0,0 +1,36 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      setFieldsDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+defaultFieldValues
+(
+    volScalarFieldValue alpha.phase1 1
+);
+
+regions
+(
+    boxToCell
+    {
+        box (-4 -4 -1) (4 4 0.74);
+        fieldValues
+        (
+            volScalarFieldValue alpha.phase1 0
+        );
+    }
+);
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/mixerVessel/system/surfaceFeatureExtractDict

@@ -0,0 +1,144 @@
+/*--------------------------------*- 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       dictionary;
+    object      surfaceFeatureExtractDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+shaftRotating.stl
+{
+    extractionMethod    extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle   100;
+    }
+
+    subsetFeatures
+    {
+        // Remove the top feature
+        insideBox       (-0.1 -0.1 -0.1)(0.1 0.1 0.1);
+    }
+
+    // Write options
+
+        writeObj        yes;
+}
+
+
+vessel.stl
+{
+    extractionMethod        extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle       120;
+    }
+
+    subsetFeatures
+    {
+        // Keep nonManifold edges (edges with >2 connected faces where
+        // the faces form more than two different normal planes)
+        nonManifoldEdges    no;
+
+        // Keep open edges (edges with 1 connected face)
+        openEdges           no;
+    }
+
+    // Write options
+
+        writeObj            no;
+}
+
+
+spargerInlet.stl
+{
+    extractionMethod    extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle   120;
+    }
+
+    // Write options
+
+        writeObj        no;
+}
+
+
+stirrer.stl
+{
+    extractionMethod    extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle   120;
+    }
+
+    // Write options
+
+        writeObj        no;
+}
+
+
+stirrer_baffles.stl
+{
+    extractionMethod    extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle   120;
+    }
+
+    baffles (stirrer);
+
+    // Write options
+
+        writeObj        no;
+}
+
+
+rotating.stl
+{
+    extractionMethod    extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle   120;
+    }
+
+    baffles (MRF);
+
+    // Write options
+
+        writeObj        yes;
+}
+
+
+baffles.stl
+{
+    extractionMethod    extractFromSurface;
+
+    extractFromSurfaceCoeffs
+    {
+        includedAngle   120;
+    }
+
+    baffles (baffles);
+
+    // Write options
+
+        writeObj        no;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/Allclean

@@ -0,0 +1,22 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/CleanFunctions
+
+rm -r constant/extendedFeatureEdgeMesh constant/internalDelaunayVertices > /dev/null 2>&1
+rm constant/triSurface/*.eMesh > /dev/null 2>&1
+rm constant/triSurface/*_orient* > /dev/null 2>&1
+rm -r constant/polyMesh > /dev/null 2>&1
+rm -r constant/polyMesh > /dev/null 2>&1
+rm -r constant/tetDualMesh > /dev/null 2>&1
+
+rm -r snapToSurface?.obj tetsToSnapTo.obj > /dev/null 2>&1
+
+rm domain coneAndSphere > /dev/null 2>&1
+
+rm -rf 0/
+
+cleanCase
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/simpleShapes/Allrun

@@ -0,0 +1,31 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+runApplication surfaceOrient \
+    constant/triSurface/cone.stl \
+    -inside '(0 -0.5 0)' \
+    constant/triSurface/cone_orient.stl
+mv log.surfaceOrient log.surfaceOrient.cone
+
+runApplication surfaceOrient \
+    constant/triSurface/sphere.stl \
+    -inside '(0 -0.5 0)' \
+    constant/triSurface/sphere_orient.stl
+mv log.surfaceOrient log.surfaceOrient.sphere
+
+runApplication surfaceBooleanFeatures intersection \
+                       constant/triSurface/cone_orient.stl \
+                       constant/triSurface/sphere_orient.stl
+
+runApplication foamyHexMesh
+
+runApplication collapseEdges -latestTime -collapseFaceSet indirectPatchFaces
+mv log.collapseEdges log.collapseFaceSet
+
+runApplication collapseEdges -latestTime -collapseFaces
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/foamyHexMesh/simpleShapes/constant/triSurface/cone.stl

@@ -0,0 +1,828 @@
+solid ascii
+ facet normal -1 0 0
+  outer loop
+   vertex -0.5 0.475528 -0.154509
+   vertex -0.5 0.456773 -0.203368
+   vertex -0.5 0.489074 -0.103956
+  endloop
+ endfacet
+ facet normal -1 0 0
+  outer loop
+   vertex -0.5 0.489074 -0.103956
+   vertex -0.5 0.456773 -0.203368
+   vertex -0.5 0.497261 -0.0522642
+  endloop
+ endfacet
+ facet normal -1 0 0
+  outer loop
+   vertex -0.5 0.497261 -0.0522642
+   vertex -0.5 0.456773 -0.203368
+   vertex -0.5 0.5 0
+  endloop
+ endfacet
+ facet normal -1 0 0
+  outer loop
+   vertex -0.5 0.5 0
+   vertex -0.5 0.456773 -0.203368
+   vertex -0.5 0.497261 0.0522642
+  endloop
+ endfacet
+ facet normal -1 0 0
+  outer loop
+   vertex -0.5 0.497261 0.0522642
+   vertex -0.5 0.456773 -0.203368
+   vertex -0.5 0.489074 0.103956
+  endloop
+ endfacet
+ facet normal -1 0 0
+  outer loop
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+ endfacet
+ facet normal 0.446723 -0.231558 -0.864187
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 -0.154509 -0.475528
+   vertex -0.5 -0.103956 -0.489074
+  endloop
+ endfacet
+ facet normal 0.446723 -0.139958 -0.883657
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 -0.103956 -0.489074
+   vertex -0.5 -0.0522642 -0.497261
+  endloop
+ endfacet
+ facet normal 0.446723 -0.0468234 -0.893446
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 -0.0522642 -0.497261
+   vertex -0.5 3.07655e-10 -0.5
+  endloop
+ endfacet
+ facet normal 0.446723 0.0468234 -0.893446
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 3.07655e-10 -0.5
+   vertex -0.5 0.0522642 -0.497261
+  endloop
+ endfacet
+ facet normal 0.446723 0.139958 -0.883657
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.0522642 -0.497261
+   vertex -0.5 0.103956 -0.489074
+  endloop
+ endfacet
+ facet normal 0.446723 0.231558 -0.864187
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.103956 -0.489074
+   vertex -0.5 0.154509 -0.475528
+  endloop
+ endfacet
+ facet normal 0.446723 0.320622 -0.835248
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.154509 -0.475528
+   vertex -0.5 0.203368 -0.456773
+  endloop
+ endfacet
+ facet normal 0.446723 0.406173 -0.797159
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.203368 -0.456773
+   vertex -0.5 0.25 -0.433013
+  endloop
+ endfacet
+ facet normal 0.446723 0.487273 -0.750335
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.25 -0.433013
+   vertex -0.5 0.293893 -0.404509
+  endloop
+ endfacet
+ facet normal 0.446723 0.563036 -0.695291
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.293893 -0.404509
+   vertex -0.5 0.334565 -0.371572
+  endloop
+ endfacet
+ facet normal 0.446723 0.632629 -0.632629
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.334565 -0.371572
+   vertex -0.5 0.371572 -0.334565
+  endloop
+ endfacet
+ facet normal 0.446723 0.695291 -0.563036
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.371572 -0.334565
+   vertex -0.5 0.404509 -0.293893
+  endloop
+ endfacet
+ facet normal 0.446723 0.750335 -0.487273
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.404509 -0.293893
+   vertex -0.5 0.433013 -0.25
+  endloop
+ endfacet
+ facet normal 0.446723 0.797159 -0.406173
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.433013 -0.25
+   vertex -0.5 0.456773 -0.203368
+  endloop
+ endfacet
+ facet normal 0.446723 0.835248 -0.320622
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.456773 -0.203368
+   vertex -0.5 0.475528 -0.154509
+  endloop
+ endfacet
+ facet normal 0.446723 0.864187 -0.231558
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.475528 -0.154509
+   vertex -0.5 0.489074 -0.103956
+  endloop
+ endfacet
+ facet normal 0.446723 0.883657 -0.139958
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.489074 -0.103956
+   vertex -0.5 0.497261 -0.0522642
+  endloop
+ endfacet
+ facet normal 0.446723 0.893446 -0.0468234
+  outer loop
+   vertex 0.5 0 0
+   vertex -0.5 0.497261 -0.0522642
+   vertex -0.5 0.5 0
+  endloop
+ endfacet
+endsolid

tutorials/mesh/foamyHexMesh/simpleShapes/system/collapseDict

@@ -0,0 +1,85 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      collapseDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+controlMeshQuality      on;
+
+collapseEdgesCoeffs
+{
+    // Edges shorter than this absolute value will be merged
+    minimumEdgeLength   1e-6;
+
+    // The maximum angle between two edges that share a point attached to
+    // no other edges
+    maximumMergeAngle   180;
+}
+
+collapseFacesCoeffs
+{
+    // The initial face length factor
+    initialFaceLengthFactor                 0.5;
+
+    // If the face can't be collapsed to an edge, and it has a span less than
+    // the target face length multiplied by this coefficient, collapse it
+    // to a point.
+    maxCollapseFaceToPointSideLengthCoeff   0.3;
+
+    // Allow early collapse of edges to a point
+    allowEarlyCollapseToPoint               on;
+
+    // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
+    // allowEarlyCollapseToPoint is enabled
+    allowEarlyCollapseCoeff                 0.2;
+
+    // Defining how close to the midpoint (M) of the projected
+    // vertices line a projected vertex (X) can be before making this
+    // an invalid edge collapse
+    //
+    // X---X-g----------------M----X-----------g----X--X
+    //
+    // Only allow a collapse if all projected vertices are outwith
+    // guardFraction (g) of the distance form the face centre to the
+    // furthest vertex in the considered direction
+    guardFraction                           0.1;
+}
+
+controlMeshQualityCoeffs
+{
+    // Name of the dictionary that has the mesh quality coefficients used
+    // by motionSmoother::checkMesh
+    #include                    "meshQualityDict";
+
+    // The amount that minimumEdgeLength will be reduced by for each
+    // edge if that edge's collapse generates a poor quality face
+    edgeReductionFactor         0.5;
+
+    // The amount that initialFaceLengthFactor will be reduced by for each
+    // face if its collapse generates a poor quality face
+    faceReductionFactor         0.5;
+
+    // Maximum number of smoothing iterations for the reductionFactors
+    maximumSmoothingIterations  2;
+
+    // Maximum number of outer iterations is mesh quality checking is enabled
+    maximumIterations           10;
+
+    // Maximum number of iterations deletion of a point can cause a bad face
+    // to be constructed before it is forced to not be deleted
+    maxPointErrorCount          3;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/system/controlDict

@@ -0,0 +1,47 @@
+/*--------------------------------*- 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;
+    location        "system";
+    class           dictionary;
+    object          controlDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       startTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         80;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   80;   // 10 to see the meshing steps
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/system/foamyHexMeshDict

@@ -0,0 +1,210 @@
+/*--------------------------------*- 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           dictionary;
+    object          foamyHexMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Include defaults parameters from master dictionary
+#include "$WM_PROJECT_DIR/etc/caseDicts/foamyHexMeshDict"
+
+geometry
+{
+    sphere_orient.stl
+    {
+        name sphere;
+        type triSurfaceMesh;
+    }
+
+    cone_orient.stl
+    {
+        name cone;
+        type triSurfaceMesh;
+    }
+
+    // Outside of domain
+    domain
+    {
+        type searchableBox;
+        min (-0.7 -0.9 -1);
+        max (1.3 1.1 1);
+    }
+
+}
+
+
+surfaceConformation
+{
+    locationInMesh (0 -0.5 0);
+
+    featurePointControls
+    {
+        specialiseFeaturePoints off;
+        edgeAiming              off;
+        guardFeaturePoints      off;
+        snapFeaturePoints       off;
+        circulateEdges          off;
+    }
+
+    // Geometry to mesh to
+    geometryToConformTo
+    {
+        cone
+        {
+            featureMethod   extractFeatures;
+            includedAngle   140;
+
+            patchInfo
+            {
+                type        wall;
+                inGroups    (groupConeAndSphere);
+            }
+        }
+
+        sphere
+        {
+            featureMethod   none;
+
+            patchInfo
+            {
+                type        wall;
+                inGroups    (groupConeAndSphere);
+            }
+        }
+
+        domain
+        {
+            featureMethod   extractFeatures;
+            includedAngle   100;
+            mode            outside;
+        }
+    }
+
+    additionalFeatures
+    {
+        coneSphereIntersection
+        {
+            featureMethod           extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "cone_orient_sphere_orient_intersection.extendedFeatureEdgeMesh";
+        }
+    }
+}
+
+
+initialPoints
+{
+    initialPointsMethod         autoDensity;
+
+    autoDensityCoeffs
+    {
+        minCellSizeLimit        0.1;
+        minLevels               4;
+        maxSizeRatio            5.0;
+        sampleResolution        3;
+        surfaceSampleResolution 3;
+    }
+}
+
+
+motionControl
+{
+    defaultCellSize         0.1;
+
+    minimumCellSizeCoeff    0;
+
+    // For background cell size and alignment grid
+    maxSmoothingIterations  100;
+
+    maxRefinementIterations 0;
+
+    shapeControlFunctions
+    {
+        sphere
+        {
+            type                        searchableSurfaceControl;
+            priority                    2;
+            mode                        inside;
+
+            surfaceCellSizeFunction     uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff    0.25;
+            }
+
+            cellSizeFunction            linearDistance;
+            linearDistanceCoeffs
+            {
+                distanceCellSizeCoeff   1;
+                distanceCoeff           2;
+            }
+        }
+
+        cone
+        {
+            type                searchableSurfaceControl;
+            priority            1;
+            mode                bothSides;
+
+            surfaceCellSizeFunction uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff 1;
+            }
+
+            cellSizeFunction        uniform;
+            uniformCoeffs
+            {}
+        }
+
+        domain
+        {
+            type                searchableSurfaceControl;
+            priority            1;
+            mode                bothSides;
+
+            surfaceCellSizeFunction uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSizeCoeff 1;
+            }
+
+            cellSizeFunction        uniform;
+            uniformCoeffs
+            {}
+        }
+    }
+
+    // Output lots and lots of .obj files
+    objOutput                   no;
+
+    // Timing and memory usage.
+    timeChecks                  no;
+}
+
+
+// After simulation, when converting to polyMesh, filter out small faces/edges.
+// Do not change. See cvControls.H
+polyMeshFiltering
+{
+    filterEdges                 on;
+    filterFaces                 on;
+    writeTetDualMesh            false;
+}
+
+
+meshQualityControls
+{
+    #include "meshQualityDict"
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/system/fvSchemes

@@ -0,0 +1,55 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSchemes;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+d2dt2Schemes
+{
+    default         steadyState;
+}
+
+gradSchemes
+{
+    default         Gauss cubic;
+}
+
+divSchemes
+{
+    default         Gauss cubic;
+}
+
+laplacianSchemes
+{
+    default         Gauss linear uncorrected;
+}
+
+interpolationSchemes
+{
+    default         cubic;
+}
+
+snGradSchemes
+{
+    default         uncorrected;
+}
+
+fluxRequired
+{
+    default         no;
+    D               ;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/system/fvSolution

@@ -0,0 +1,41 @@
+/*--------------------------------*- 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       dictionary;
+    location    "system";
+    object      fvSolution;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+solvers
+{
+    "(D|Dcorr)"
+    {
+        solver          GAMG;
+        tolerance       1e-06;
+        relTol          0.99;
+        smoother        GaussSeidel;
+        cacheAgglomeration  true;
+        nCellsInCoarsestLevel 6;
+        agglomerator    faceAreaPair;
+        mergeLevels     1;
+    }
+}
+
+stressAnalysis
+{
+    nCorrectors     1;
+    D               1e-10;
+    accelerationFactor 2;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/system/meshQualityDict

@@ -0,0 +1,65 @@
+/*--------------------------------*- 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           dictionary;
+    object          meshQualityDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+//- Maximum non-orthogonality allowed. Set to 180 to disable.
+maxNonOrtho         65;
+
+//- Max skewness allowed. Set to <0 to disable.
+maxBoundarySkewness 50;
+maxInternalSkewness 10;
+
+//- Max concaveness allowed. Is angle (in degrees) below which concavity
+//  is allowed. 0 is straight face, <0 would be convex face.
+//  Set to 180 to disable.
+maxConcave          80;
+
+//- Minimum quality of the tet formed by the face-centre
+//  and variable base point minimum decomposition triangles and
+//  the cell centre. This has to be a positive number for tracking
+//  to work. Set to very negative number (e.g. -1E30) to
+//  disable.
+//     <0 = inside out tet,
+//      0 = flat tet
+//      1 = regular tet
+minTetQuality       1e-30;
+
+//- Minimum pyramid volume. Is absolute volume of cell pyramid.
+//  Set to a sensible fraction of the smallest cell volume expected.
+//  Set to very negative number (e.g. -1E30) to disable.
+minVol              0;
+
+//- Minimum face area. Set to <0 to disable.
+minArea             -1;
+
+//- Minimum face twist. Set to <-1 to disable. dot product of face normal
+//- and face centre triangles normal
+minTwist            0.001;
+
+//- minimum normalised cell determinant
+//- 1 = hex, <= 0 = folded or flattened illegal cell
+minDeterminant      0.001;
+
+//- minFaceWeight (0 -> 0.5)
+minFaceWeight       0.02;
+
+//- minVolRatio (0 -> 1)
+minVolRatio         0.01;
+
+//must be >0 for Fluent compatibility
+minTriangleTwist    -1;
+
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/simpleShapes/system/topoSetDict

@@ -0,0 +1,148 @@
+/*--------------------------------*- 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       dictionary;
+    object      topoSetDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+actions
+(
+    {
+        name    z;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100 -100 0)(100 100 100);
+        }
+    }
+
+    {
+        name    zf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    z;
+            option all;
+        }
+    }
+
+    {
+        name    z;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    zf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    z;
+            option all;
+        }
+    }
+
+    // ~~~~~~~~~~~~~~~~ //
+
+    {
+        name    y;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100 0.1 -100)(100 100 100);
+        }
+    }
+
+    {
+        name    yf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    y;
+            option all;
+        }
+    }
+
+    {
+        name    y;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    yf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    y;
+            option all;
+        }
+    }
+
+    // ~~~~~~~~~~~~~~~~ //
+
+    {
+        name    x;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (0.3 -100 -100)(100 100 100);
+        }
+    }
+
+    {
+        name    xf;
+        type    faceSet;
+        action  new;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    x;
+            option all;
+        }
+    }
+
+    {
+        name    x;
+        type    cellSet;
+        action  invert;
+    }
+
+    {
+        name    xf;
+        type    faceSet;
+        action  subset;
+        source  cellToFace;
+        sourceInfo
+        {
+            set    x;
+            option all;
+        }
+    }
+);
+
+// ************************************************************************* //

tutorials/mesh/foamyHexMesh/straightDuctImplicit

@@ -0,0 +1 @@
+../../incompressible/porousSimpleFoam/straightDuctImplicit

tutorials/mesh/foamyQuadMesh/OpenCFD/0.org/T

@@ -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;
+    object      T;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [0 0 0 1 0 0 0];
+
+internalField   uniform 1;
+
+boundaryField
+{
+    inlet
+    {
+        type            fixedValue;
+        value           uniform 1;
+    }
+
+    outlet
+    {
+        type            zeroGradient;
+    }
+
+    bottom
+    {
+        type            zeroGradient;
+    }
+
+    top
+    {
+        type            zeroGradient;
+    }
+
+    letters
+    {
+        type            zeroGradient;
+    }
+}
+
+// ************************************************************************* //