Merge branch 'cvm'

tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/particleTrackDict

@@ -26,4 +26,3 @@ fields
 
 
 // ************************************************************************* //
-

tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/reactions

@@ -6,4 +6,3 @@ species
 
 reactions
 {}
-

tutorials/mesh/cvMesh/car/Allrun

@@ -0,0 +1,48 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+surfacePointMerge constant/triSurface/m_car01_wheels.obj \
+    1e-2 constant/triSurface/m_car01_wheels_merge.obj \
+    > log.surfacePointMerge 2>&1
+
+# Orient so point to be meshed is inside surface
+surfaceOrient \
+    constant/triSurface/m_car01_wheels_merge.obj \
+    -inside -usePierceTest '(13 -200 149)' \
+    constant/triSurface/m_car01_wheels_merge_orient.obj \
+    > log.surfaceOrient.m_car01 2>&1
+
+# Same for outside
+surfaceOrient \
+    constant/triSurface/domain.stl \
+    -inside -usePierceTest '(13 -200 149)' \
+    constant/triSurface/domain_orient.stl \
+    > log.surfaceOrient.domain 2>&1
+
+# Extract feature edges and points
+runApplication surfaceFeatureExtract \
+    constant/triSurface/m_car01_wheels_merge_orient.obj  \
+    m_car01 -includedAngle 125 -writeObj
+mv log.surfaceFeatureExtract log.surfaceFeatureExtract.m_car01
+
+unset FOAM_SIGFPE
+runApplication surfaceFeatureExtract \
+    constant/triSurface/domain_orient.stl \
+    domain -includedAngle 125 -writeObj
+mv log.surfaceFeatureExtract log.surfaceFeatureExtract.domain
+
+# Generate aligned points (in constant/internalDelaunayVertices) and a
+# mesh from that.
+runApplication cvMesh
+
+# Generate some sets for a bit of mesh inspection
+runApplication topoSet -constant -time 0:100
+
+# And a field for thresholding
+writeCellCentres -constant
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/cvMesh/car/system/controlDict

@@ -0,0 +1,54 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       latestTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         0;  //80;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   1000;   //10 to see the meshing steps
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/car/system/cvMeshDict

@@ -0,0 +1,473 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+    class           dictionary;
+    object          cvMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+
+/*
+
+Control dictionary for cvMesh - polyhedral mesh generator.
+
+cvMesh phases:
+1. fill volume with initial points (initialPoints subdictionary). An option
+   is to reread from previous set of points.
+
+2. internal point motion (motionControl subdictionary)
+
+3. every once in a while add point duplets/triplets to conform to
+   surfaces and features (surfaceConformation subdictionary)
+
+4. back to 2
+
+5. construct polyMesh.
+    - filter (polyMeshFiltering subdictionary)
+    - check (meshQualityControls subdictionary) and undo filtering
+
+
+See also cvControls.H in the conformalVoronoiMesh library
+
+*/
+
+
+// Important:
+// ----------
+// Any scalar with a name <name>Coeff specifies a value that will be implemented
+// as a faction of the local target cell size
+// Any scalar with a name <name>Size specifies an absolute size.
+
+
+// Geometry. Definition of all surfaces. All surfaces are of class
+// searchableSurface.
+// Surfaces need to be (almost) closed - use closedTriSurfaceMesh
+// if they are not topologically closed. Surfaces need to be oriented so
+// the space to be meshed is always on the inside of all surfaces. Use e.g.
+// surfaceOrient.
+geometry
+{
+    // Internal shape
+    m_car01_wheels_merge_orient.obj
+    {
+        name m_car01;
+        type closedTriSurfaceMesh;
+    }
+
+    // Outside of domain
+    domain_orient.stl
+    {
+        name domain;
+        type triSurfaceMesh;
+    }
+
+}
+
+
+// Controls for conforming to the surfaces.
+surfaceConformation
+{
+    // A point inside surfaces that is inside mesh.
+    locationInMesh (13 -200 149);
+
+    // How far apart are point-duplets generated. Balance this between
+    // - very low distance: little chance of interference from other
+    //   surfaces
+    // - largish distance: less non-orthogonality in final cell
+    //   (circumcentre far away from centroid)
+    pointPairDistanceCoeff      0.1;
+
+    // Mixed feature edges - both inside and outside edges. Recreated
+    // by inserting triplets of points to recreate a single edge. Done for
+    // all edges emanating from point. triplets of points get inserted
+    // mixedFeaturePointPPDistanceCoeff distance away from feature point.
+    mixedFeaturePointPPDistanceCoeff    5.0;
+
+    // Distance to a feature point within which surface and edge
+    // conformation points are excluded - fraction of the local target
+    // cell size
+    featurePointExclusionDistanceCoeff  0.4;
+
+    // Distance to an existing feature edge conformation location
+    // within which other edge conformation location are excluded -
+    // fraction of the local target cell size
+    featureEdgeExclusionDistanceCoeff   0.2;
+
+    // Optimisation: do not check for surface intersection (of dual edges)
+    // for points near to surface.
+    surfaceSearchDistanceCoeff  2.5;
+
+    // Maximum allowable protrusion through the surface before
+    // conformation points are added - fraction of the local target
+    // cell size. These small protusions are (hopefully) done by mesh filtering
+    // instead.
+    maxSurfaceProtrusionCoeff   0.1;
+
+    // If feature edge with large angle (so more than 125 degrees) introduce
+    // additional points to create two half angled cells (= mitering).
+    maxQuadAngle 125;
+
+    // Frequency to redo surface conformation (expensive).
+    surfaceConformationRebuildFrequency 10;
+
+    // Initial and intermediate controls
+    coarseConformationControls
+    {
+        // Initial conformation
+        initial
+        {
+            // We've got a point poking through the surface. Don't do any
+            // surface conformation if near feature edge (since feature edge
+            // conformation should have priority)
+
+            // distance to search for near feature edges
+            edgeSearchDistCoeff         1.1;
+
+            // Proximity to a feature edge where a surface hit is
+            //  not created, only the edge conformation is created
+            // - fraction of the local target cell size. Coarse
+            // conformation, initial protrusion tests.
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        // Same for iterations
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        // Stop either at maxIterations or if the number of surface pokes
+        // is very small (iterationToInitialHitRatioLimit * initial number)
+        // Note: perhaps iterationToInitialHitRatioLimit should be absolute
+        // count?
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    // Final (at endTime) controls
+    fineConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    // Geometry to mesh to
+    geometryToConformTo
+    {
+        m_car01
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "m_car01_merge_orient.extendedFeatureEdgeMesh";
+        }
+
+        domain
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "domain_orient.extendedFeatureEdgeMesh";
+        }
+    }
+
+    additionalFeatures {}
+}
+
+
+// Controls for seeding initial points and general control of the target
+// cell size (used everywhere)
+initialPoints
+{
+    // Do not place point closer than minimumSurfaceDistanceCoeff
+    // to the surface. Is fraction of local target cell size (see below)
+    minimumSurfaceDistanceCoeff 0.55;
+
+    //initialPointsMethod             autoDensity;
+    // initialPointsMethod          uniformGrid;
+    // initialPointsMethod          bodyCentredCubic;
+    initialPointsMethod          pointFile;
+
+    // Take boundbox of all geometry. Samples with this box. If too much
+    // samples (due to target cell size) in box split box.
+    autoDensityCoeffs
+    {
+        // Initial number of refinement levels. Needs to be enough to pick
+        // up features due to size ratio. If not enough it will take longer
+        // to determine point seeding.
+        minLevels 1;
+        // Split box if ratio of min to max cell size larger than maxSizeRatio
+        maxSizeRatio 5.0;
+        // Per box sample 3x3x3 internally
+        sampleResolution 3;
+        // Additionally per face of the box sample 3
+        surfaceSampleResolution 3;
+    }
+
+    uniformGridCoeffs
+    {
+        // Absolute cell size.
+        initialCellSize         0.0015;
+        randomiseInitialGrid    yes;
+        randomPerturbationCoeff 0.02;
+    }
+
+    bodyCentredCubicCoeffs
+    {
+        initialCellSize         0.0015;
+        randomiseInitialGrid    no;
+        randomPerturbationCoeff 0.1;
+    }
+
+    pointFileCoeffs
+    {
+        // Reads points from file. Still rejects points that are too
+        // close to the surface (minimumSurfaceDistanceCoeff) or on the
+        // wrong side of the surfaces.
+        pointFile              "constant/internalDelaunayVertices";
+    }
+}
+
+
+// Control size of voronoi cells i.e. distance between points. This
+// determines the target cell size which is used everywhere.
+// It determines the cell size given a location. It then uses all
+// the rules
+// - defaultCellSize
+// - cellSizeControlGeometry
+// to determine target cell size. Rule with highest priority wins. If same
+// priority smallest cell size wins.
+motionControl
+{
+    // Absolute cell size of back ground mesh. This is the maximum cell size.
+    defaultCellSize     10;
+
+    // Assign a priority to all requests for cell sizes, the highest overrules.
+    defaultPriority     0;
+
+    cellSizeControlGeometry
+    {
+        nearCar
+        {
+            // optional name of geometry
+            surface             m_car01;
+            priority            1;
+            mode                bothSides;
+            cellSizeFunction    linearDistance;
+
+            // cellSizeFunctions:
+            //  uniform : uniform size
+            //  uniformDistance : fixed size for all within distance
+            //  linearSpatial : grading in specified direction only
+            //  linearDistance : vary linearly as distance to surface
+            //  surfaceOffsetLinearDistance : constant close to surface then
+            //  fade like linearDistance
+
+            // Vary from surfaceCellSize (close to the surface) to
+            // distanceCellSize (further than 'distance')
+            linearDistanceCoeffs
+            {
+                surfaceCellSize     1;    // absolute size
+                distanceCellSize    $defaultCellSize;
+                distance            10.0;
+            }
+        }
+
+    }
+
+    // Underrelaxation for point motion. Simulated annealing: starts off at 1
+    // and lowers to 0 (at simulation endTime) to converge points.
+    // adaptiveLinear is preferred choice.
+    // Points move by e.g. 10% of tet size.
+    relaxationModel     adaptiveLinear; //rampHoldFall
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart 1.0;
+        relaxationEnd   0.0;
+    }
+
+    // Output lots and lots of .obj files
+    objOutput                   no;
+
+    // Timing and memory usage.
+    timeChecks                  yes;
+
+    // Number of rays in plane parallel to nearest surface. Used to detect
+    // next closest surfaces. Used to work out alignment (three vectors)
+    // to surface.
+    // Note that only the initial points (from the seeding) calculate this
+    // information so if these are not fine enough the alignment will
+    // not be correct. (any points added during the running will lookup
+    // this information from the nearest initial point since it is
+    // expensive)
+    alignmentSearchSpokes       36;
+
+    // For each delaunay edge (between two vertices, becomes
+    // the Voronoi face normal) snap to the alignment direction if within
+    // alignmentAcceptanceAngle. Slightly > 45 is a good choice - prevents
+    // flipping.
+    alignmentAcceptanceAngle    48;
+
+    // How often to rebuild the alignment info (expensive)
+    sizeAndAlignmentRebuildFrequency 20;
+
+    // When to insert points. Not advisable change to
+    // these settings.
+    pointInsertionCriteria
+    {
+        // If edge larger than 1.75 target cell size
+        // (so tets too large/stretched) insert point
+        cellCentreDistCoeff     1.75;
+        // Do not insert point if voronoi face (on edge) very small.
+        faceAreaRatioCoeff      0.0025;
+        // Insert point only if edge closely aligned to local alignment
+        // direction.
+        acceptanceAngle         21.5;
+    }
+
+    // Opposite: remove point if mesh too compressed. Do not change these
+    // settings.
+    pointRemovalCriteria
+    {
+        cellCentreDistCoeff  0.65;
+    }
+
+    // How to determine the point motion. All edges got some direction.
+    // Sum all edge contributions to determine point motion. Weigh by
+    // face area so motion is preferentially determined by large faces
+    // (or more importantly ignore contribution from small faces).
+    // Do not change these settings.
+    faceAreaWeightModel piecewiseLinearRamp;
+
+    piecewiseLinearRampCoeffs
+    {
+        lowerAreaFraction       0.5;
+        upperAreaFraction       1.0;
+    }
+}
+
+
+// After simulation, when converting to polyMesh, filter out small faces/edges.
+// Do not change. See cvControls.H
+polyMeshFiltering
+{
+    // Write the underlying Delaunay tet mesh at output time
+    writeTetDualMesh                        true;
+
+    // Upper limit on the size of faces to be filtered.
+    // fraction of the local target cell size
+    filterSizeCoeff                         0.2;
+
+    // Upper limit on how close two dual vertices can be before
+    // being merged, fraction of the local target cell size
+    mergeClosenessCoeff                     1e-9;
+
+    // To not filter: set maxNonOrtho to 1 (so check fails) and then
+    // set continueFilteringOnBadInitialPolyMesh to false.
+    continueFilteringOnBadInitialPolyMesh   false;  //true;
+
+    // When a face is "bad", what fraction should the filterSizeCoeff be
+    // reduced by.  Recursive, so for a filterCount value of fC, the
+    // filterSizeCoeff is reduced by pow(filterErrorReductionCoeff, fC)
+    filterErrorReductionCoeff               0.5;
+
+    // Maximum number of filterCount applications before a face
+    // is not attempted to be filtered
+    filterCountSkipThreshold                4;
+
+    // Maximum number of permissible iterations of the face collapse
+    // algorithm.  The value to choose will be related the maximum number
+    // of points on a face that is to be collapsed and how many faces
+    // around it need to be collapsed.
+    maxCollapseIterations                   25;
+
+    // Maximum number of times an to allow an equal faceSet to be
+    // returned from the face quality assessment before stopping iterations
+    // to break an infinitie loop.
+    maxConsecutiveEqualFaceSets             5;
+    // Remove little steps (almost perp to surface) by collapsing face.
+    surfaceStepFaceAngle                    80;
+    // Do not collapse face to edge if should become edges
+    edgeCollapseGuardFraction               0.3;
+    // Only collapse face to point if high aspect ratio
+    maxCollapseFaceToPointSideLengthCoeff   0.35;
+}
+
+
+// Generic mesh quality settings. At any undoable phase these determine
+// where to undo. Same as in snappyHexMeshDict
+meshQualityControls
+{
+    //- 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 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 -1E30;
+
+    //- Minimum quality of the tet formed by the
+    //  variable base point minimum decomposition triangles and
+    //  the cell centre (so not face-centre decomposition).
+    //  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 absolute 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/cvMesh/car/system/fvSchemes

@@ -0,0 +1,55 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     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/cvMesh/car/system/fvSolution

@@ -0,0 +1,41 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     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/cvMesh/car/system/topoSetDict

@@ -0,0 +1,148 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      topoSetDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+actions
+(
+    {
+        name    z;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100000 -100000 50)(100000 100000 100000);
+        }
+    }
+
+    {
+        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 (-100000 0 -100000)(100000 100000 100000);
+        }
+    }
+
+    {
+        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 -100000 -100000)(100000 100000 100000);
+        }
+    }
+
+    {
+        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/cvMesh/carWheel/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/extendedFeatureEdgeMesh \
+    constant/internalDelaunayVertices \
+    constant/ccx constant/ccy constant/ccz \
+    constant/targetCellSize \
+    constant/tetDualMesh \
+    constant/polyMesh/boundary \
+    constant/triSurface/m_car01_wheel_merge.obj \
+    constant/triSurface/m_car01_wheel_merge_orient.eMesh \
+    constant/triSurface/m_car01_wheel_merge_orient.obj \
+    constant/triSurface/small_orient.eMesh \
+    constant/triSurface/small_orient.stl \
+    > /dev/null 2>&1
+rm constant/triSurface/*.eMesh > /dev/null 2>&1
+
+cleanCase
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/cvMesh/carWheel/Allrun

@@ -0,0 +1,48 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+surfacePointMerge constant/triSurface/m_car01_wheel.obj \
+    1e-2 constant/triSurface/m_car01_wheel_merge.obj \
+    > log.surfacePointMerge 2>&1
+
+# Orient so point to be meshed is inside surface
+surfaceOrient \
+    constant/triSurface/m_car01_wheel_merge.obj \
+    -inside -usePierceTest '(-100 0 170)' \
+    constant/triSurface/m_car01_wheel_merge_orient.obj \
+    > log.surfaceOrient.m_car01 2>&1
+
+# Same for outside
+surfaceOrient \
+    constant/triSurface/small.stl \
+    -inside -usePierceTest '(-100 0 170)' \
+    constant/triSurface/small_orient.stl \
+    > log.surfaceOrient.small 2>&1
+
+# Extract feature edges and points
+runApplication surfaceFeatureExtract \
+    constant/triSurface/m_car01_wheel_merge_orient.obj  \
+    m_car01 -includedAngle 165 -writeObj
+mv log.surfaceFeatureExtract log.surfaceFeatureExtract.m_car01
+
+unset FOAM_SIGFPE
+runApplication surfaceFeatureExtract \
+    constant/triSurface/small_orient.stl \
+    small -includedAngle 125 -writeObj
+mv log.surfaceFeatureExtract log.surfaceFeatureExtract.small
+
+# Generate aligned points (in constant/internalDelaunayVertices) and a
+# mesh from that.
+runApplication cvMesh
+
+# Generate some sets for a bit of mesh inspection
+runApplication topoSet -constant -time 0:100
+
+# And a field for thresholding
+writeCellCentres -constant
+
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/cvMesh/carWheel/constant/triSurface/small.stl

@@ -0,0 +1,86 @@
+solid ascii
+ facet normal -1 0 0
+  outer loop
+   vertex -200 -50 0
+   vertex -200 -50 200
+   vertex -200 250 0
+  endloop
+ endfacet
+ facet normal -1 0 0
+  outer loop
+   vertex -200 250 200
+   vertex -200 250 0
+   vertex -200 -50 200
+  endloop
+ endfacet
+ facet normal 1 0 0
+  outer loop
+   vertex 0 -50 0
+   vertex 0 250 0
+   vertex 0 -50 200
+  endloop
+ endfacet
+ facet normal 1 -0 0
+  outer loop
+   vertex 0 250 200
+   vertex 0 -50 200
+   vertex 0 250 0
+  endloop
+ endfacet
+ facet normal 0 -1 0
+  outer loop
+   vertex -200 -50 0
+   vertex 0 -50 0
+   vertex -200 -50 200
+  endloop
+ endfacet
+ facet normal 0 -1 0
+  outer loop
+   vertex 0 -50 200
+   vertex -200 -50 200
+   vertex 0 -50 0
+  endloop
+ endfacet
+ facet normal 0 1 0
+  outer loop
+   vertex -200 250 0
+   vertex -200 250 200
+   vertex 0 250 0
+  endloop
+ endfacet
+ facet normal 0 1 -0
+  outer loop
+   vertex 0 250 200
+   vertex 0 250 0
+   vertex -200 250 200
+  endloop
+ endfacet
+ facet normal 0 0 -1
+  outer loop
+   vertex -200 -50 0
+   vertex -200 250 0
+   vertex 0 -50 0
+  endloop
+ endfacet
+ facet normal 0 0 -1
+  outer loop
+   vertex 0 250 0
+   vertex 0 -50 0
+   vertex -200 250 0
+  endloop
+ endfacet
+ facet normal 0 0 1
+  outer loop
+   vertex -200 -50 200
+   vertex 0 -50 200
+   vertex -200 250 200
+  endloop
+ endfacet
+ facet normal -0 0 1
+  outer loop
+   vertex 0 250 200
+   vertex -200 250 200
+   vertex 0 -50 200
+  endloop
+ endfacet
+endsolid

tutorials/mesh/cvMesh/carWheel/system/controlDict

@@ -0,0 +1,54 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       latestTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         0;  //80;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   1000;   //10 to see the meshing steps
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/carWheel/system/cvMeshDict

@@ -0,0 +1,474 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+    class           dictionary;
+    object          cvMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+
+/*
+
+Control dictionary for cvMesh - polyhedral mesh generator.
+
+cvMesh phases:
+1. fill volume with initial points (initialPoints subdictionary). An option
+   is to reread from previous set of points.
+
+2. internal point motion (motionControl subdictionary)
+
+3. every once in a while add point duplets/triplets to conform to
+   surfaces and features (surfaceConformation subdictionary)
+
+4. back to 2
+
+5. construct polyMesh.
+    - filter (polyMeshFiltering subdictionary)
+    - check (meshQualityControls subdictionary) and undo filtering
+
+
+See also cvControls.H in the conformalVoronoiMesh library
+
+*/
+
+
+// Important:
+// ----------
+// Any scalar with a name <name>Coeff specifies a value that will be implemented
+// as a faction of the local target cell size
+// Any scalar with a name <name>Size specifies an absolute size.
+
+
+// Geometry. Definition of all surfaces. All surfaces are of class
+// searchableSurface.
+// Surfaces need to be (almost) closed - use closedTriSurfaceMesh
+// if they are not topologically closed. Surfaces need to be oriented so
+// the space to be meshed is always on the inside of all surfaces. Use e.g.
+// surfaceOrient.
+geometry
+{
+    // Internal shape
+    m_car01_wheel_merge_orient.obj
+    {
+        name m_car01;
+        type closedTriSurfaceMesh;
+    }
+
+    // Outside of domain
+    small_orient.stl
+    {
+        name small;
+        type triSurfaceMesh;
+    }
+
+}
+
+
+// Controls for conforming to the surfaces.
+surfaceConformation
+{
+    // A point inside surfaces that is inside mesh.
+    locationInMesh (-100 0 170);
+
+    // How far apart are point-duplets generated. Balance this between
+    // - very low distance: little chance of interference from other
+    //   surfaces
+    // - largish distance: less non-orthogonality in final cell
+    //   (circumcentre far away from centroid)
+    pointPairDistanceCoeff      0.1;
+
+    // Mixed feature points - connected to both inside and outside edges.
+    // Recreated by inserting triplets of points to recreate a single edge.
+    // Done for all edges emanating from point. triplets of points get inserted
+    // mixedFeaturePointPPDistanceCoeff distance away from feature point.
+    // Set to a positive number to enable.
+    mixedFeaturePointPPDistanceCoeff    5.0;
+
+    // Distance to a feature point within which surface and edge
+    // conformation points are excluded - fraction of the local target
+    // cell size
+    featurePointExclusionDistanceCoeff  0.4;
+
+    // Distance to an existing feature edge conformation location
+    // within which other edge conformation location are excluded -
+    // fraction of the local target cell size
+    featureEdgeExclusionDistanceCoeff   0.2;
+
+    // Optimisation: do not check for surface intersection (of dual edges)
+    // for points near to surface.
+    surfaceSearchDistanceCoeff  2.5;
+
+    // Maximum allowable protrusion through the surface before
+    // conformation points are added - fraction of the local target
+    // cell size. These small protusions are (hopefully) done by mesh filtering
+    // instead.
+    maxSurfaceProtrusionCoeff   0.1;
+
+    // If feature edge with large angle (so more than 125 degrees) introduce
+    // additional points to create two half angled cells (= mitering).
+    maxQuadAngle 125;
+
+    // Frequency to redo surface conformation (expensive).
+    surfaceConformationRebuildFrequency 10;
+
+    // Initial and intermediate controls
+    coarseConformationControls
+    {
+        // Initial conformation
+        initial
+        {
+            // We've got a point poking through the surface. Don't do any
+            // surface conformation if near feature edge (since feature edge
+            // conformation should have priority)
+
+            // distance to search for near feature edges
+            edgeSearchDistCoeff         1.1;
+
+            // Proximity to a feature edge where a surface hit is
+            //  not created, only the edge conformation is created
+            // - fraction of the local target cell size. Coarse
+            // conformation, initial protrusion tests.
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        // Same for iterations
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        // Stop either at maxIterations or if the number of surface pokes
+        // is very small (iterationToInitialHitRatioLimit * initial number)
+        // Note: perhaps iterationToInitialHitRatioLimit should be absolute
+        // count?
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    // Final (at endTime) controls
+    fineConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    // Geometry to mesh to
+    geometryToConformTo
+    {
+        m_car01
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "m_car01_wheel_merge_orient.extendedFeatureEdgeMesh";
+        }
+
+        small
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "small_orient.extendedFeatureEdgeMesh";
+        }
+    }
+
+    additionalFeatures {}
+}
+
+
+// Controls for seeding initial points and general control of the target
+// cell size (used everywhere)
+initialPoints
+{
+    // Do not place point closer than minimumSurfaceDistanceCoeff
+    // to the surface. Is fraction of local target cell size (see below)
+    minimumSurfaceDistanceCoeff 0.55;
+
+    initialPointsMethod             autoDensity;
+    // initialPointsMethod          uniformGrid;
+    // initialPointsMethod          bodyCentredCubic;
+    // initialPointsMethod          pointFile;
+
+    // Take boundbox of all geometry. Samples with this box. If too much
+    // samples (due to target cell size) in box split box.
+    autoDensityCoeffs
+    {
+        // Initial number of refinement levels. Needs to be enough to pick
+        // up features due to size ratio. If not enough it will take longer
+        // to determine point seeding.
+        minLevels 3;
+        // Split box if ratio of min to max cell size larger than maxSizeRatio
+        maxSizeRatio 5.0;
+        // Per box sample 3x3x3 internally
+        sampleResolution 3;
+        // Additionally per face of the box sample 3
+        surfaceSampleResolution 3;
+    }
+
+    uniformGridCoeffs
+    {
+        // Absolute cell size.
+        initialCellSize         0.0015;
+        randomiseInitialGrid    yes;
+        randomPerturbationCoeff 0.02;
+    }
+
+    bodyCentredCubicCoeffs
+    {
+        initialCellSize         0.0015;
+        randomiseInitialGrid    no;
+        randomPerturbationCoeff 0.1;
+    }
+
+    pointFileCoeffs
+    {
+        // Reads points from file. Still rejects points that are too
+        // close to the surface (minimumSurfaceDistanceCoeff) or on the
+        // wrong side of the surfaces.
+        pointFile              "constant/internalDelaunayVertices";
+    }
+}
+
+
+// Control size of voronoi cells i.e. distance between points. This
+// determines the target cell size which is used everywhere.
+// It determines the cell size given a location. It then uses all
+// the rules
+// - defaultCellSize
+// - cellSizeControlGeometry
+// to determine target cell size. Rule with highest priority wins. If same
+// priority smallest cell size wins.
+motionControl
+{
+    // Absolute cell size of back ground mesh. This is the maximum cell size.
+    defaultCellSize     10;
+
+    // Assign a priority to all requests for cell sizes, the highest overrules.
+    defaultPriority     0;
+
+    cellSizeControlGeometry
+    {
+        nearCar
+        {
+            // optional name of geometry
+            surface             m_car01;
+            priority            1;
+            mode                bothSides;
+            cellSizeFunction    linearDistance;
+
+            // cellSizeFunctions:
+            //  uniform : uniform size
+            //  uniformDistance : fixed size for all within distance
+            //  linearSpatial : grading in specified direction only
+            //  linearDistance : vary linearly as distance to surface
+            //  surfaceOffsetLinearDistance : constant close to surface then
+            //  fade like linearDistance
+
+            // Vary from surfaceCellSize (close to the surface) to
+            // distanceCellSize (further than 'distance')
+            linearDistanceCoeffs
+            {
+                surfaceCellSize     1;    // absolute size
+                distanceCellSize    $defaultCellSize;
+                distance            10.0;
+            }
+        }
+
+    }
+
+    // Underrelaxation for point motion. Simulated annealing: starts off at 1
+    // and lowers to 0 (at simulation endTime) to converge points.
+    // adaptiveLinear is preferred choice.
+    // Points move by e.g. 10% of tet size.
+    relaxationModel     adaptiveLinear; //rampHoldFall
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart 1.0;
+        relaxationEnd   0.0;
+    }
+
+    // Output lots and lots of .obj files
+    objOutput                   no;
+
+    // Timing and memory usage.
+    timeChecks                  yes;
+
+    // Number of rays in plane parallel to nearest surface. Used to detect
+    // next closest surfaces. Used to work out alignment (three vectors)
+    // to surface.
+    // Note that only the initial points (from the seeding) calculate this
+    // information so if these are not fine enough the alignment will
+    // not be correct. (any points added during the running will lookup
+    // this information from the nearest initial point since it is
+    // expensive)
+    alignmentSearchSpokes       36;
+
+    // For each delaunay edge (between two vertices, becomes
+    // the Voronoi face normal) snap to the alignment direction if within
+    // alignmentAcceptanceAngle. Slightly > 45 is a good choice - prevents
+    // flipping.
+    alignmentAcceptanceAngle    48;
+
+    // How often to rebuild the alignment info (expensive)
+    sizeAndAlignmentRebuildFrequency 20;
+
+    // When to insert points. Not advisable change to
+    // these settings.
+    pointInsertionCriteria
+    {
+        // If edge larger than 1.75 target cell size
+        // (so tets too large/stretched) insert point
+        cellCentreDistCoeff     1.75;
+        // Do not insert point if voronoi face (on edge) very small.
+        faceAreaRatioCoeff      0.0025;
+        // Insert point only if edge closely aligned to local alignment
+        // direction.
+        acceptanceAngle         21.5;
+    }
+
+    // Opposite: remove point if mesh too compressed. Do not change these
+    // settings.
+    pointRemovalCriteria
+    {
+        cellCentreDistCoeff  0.65;
+    }
+
+    // How to determine the point motion. All edges got some direction.
+    // Sum all edge contributions to determine point motion. Weigh by
+    // face area so motion is preferentially determined by large faces
+    // (or more importantly ignore contribution from small faces).
+    // Do not change these settings.
+    faceAreaWeightModel piecewiseLinearRamp;
+
+    piecewiseLinearRampCoeffs
+    {
+        lowerAreaFraction       0.5;
+        upperAreaFraction       1.0;
+    }
+}
+
+
+// After simulation, when converting to polyMesh, filter out small faces/edges.
+// Do not change. See cvControls.H
+polyMeshFiltering
+{
+    // Write the underlying Delaunay tet mesh at output time
+    writeTetDualMesh                        true;
+
+    // Upper limit on the size of faces to be filtered.
+    // fraction of the local target cell size
+    filterSizeCoeff                         0.2;
+
+    // Upper limit on how close two dual vertices can be before
+    // being merged, fraction of the local target cell size
+    mergeClosenessCoeff                     1e-9;
+
+    // To not filter: set maxNonOrtho to 1 (so check fails) and then
+    // set continueFilteringOnBadInitialPolyMesh to false.
+    continueFilteringOnBadInitialPolyMesh   true;
+
+    // When a face is "bad", what fraction should the filterSizeCoeff be
+    // reduced by.  Recursive, so for a filterCount value of fC, the
+    // filterSizeCoeff is reduced by pow(filterErrorReductionCoeff, fC)
+    filterErrorReductionCoeff               0.5;
+
+    // Maximum number of filterCount applications before a face
+    // is not attempted to be filtered
+    filterCountSkipThreshold                4;
+
+    // Maximum number of permissible iterations of the face collapse
+    // algorithm.  The value to choose will be related the maximum number
+    // of points on a face that is to be collapsed and how many faces
+    // around it need to be collapsed.
+    maxCollapseIterations                   25;
+
+    // Maximum number of times an to allow an equal faceSet to be
+    // returned from the face quality assessment before stopping iterations
+    // to break an infinitie loop.
+    maxConsecutiveEqualFaceSets             5;
+    // Remove little steps (almost perp to surface) by collapsing face.
+    surfaceStepFaceAngle                    80;
+    // Do not collapse face to edge if should become edges
+    edgeCollapseGuardFraction               0.3;
+    // Only collapse face to point if high aspect ratio
+    maxCollapseFaceToPointSideLengthCoeff   0.35;
+}
+
+
+// Generic mesh quality settings. At any undoable phase these determine
+// where to undo. Same as in snappyHexMeshDict
+meshQualityControls
+{
+    //- 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 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 -1E30;
+
+    //- Minimum quality of the tet formed by the
+    //  variable base point minimum decomposition triangles and
+    //  the cell centre (so not face-centre decomposition).
+    //  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 absolute 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/cvMesh/carWheel/system/fvSchemes

@@ -0,0 +1,55 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     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/cvMesh/carWheel/system/fvSolution

@@ -0,0 +1,41 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     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/cvMesh/carWheel/system/tetDualMesh/fvSchemes

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

tutorials/mesh/cvMesh/carWheel/system/tetDualMesh/fvSolution

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

tutorials/mesh/cvMesh/carWheel/system/topoSetDict

@@ -0,0 +1,148 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      topoSetDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+actions
+(
+    {
+        name    z;
+        type    cellSet;
+        action  new;
+        source  boxToCell;
+        sourceInfo
+        {
+            box (-100000 -100000 50)(100000 100000 100000);
+        }
+    }
+
+    {
+        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 (-100000 0 -100000)(100000 100000 100000);
+        }
+    }
+
+    {
+        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 -100000 -100000)(100000 100000 100000);
+        }
+    }
+
+    {
+        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/cvMesh/flange/Allclean

@@ -0,0 +1,13 @@
+#!/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/flange.eMesh > /dev/null 2>&1
+rm flange system/cvMeshDict system/controlDict > /dev/null 2>&1
+
+cleanCase
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/cvMesh/flange/Allrun

@@ -0,0 +1,23 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Generate aligned points (in constant/internalDelaunayVertices) and a
+# mesh from that.
+cp system/controlDict-generatePoints system/controlDict
+cp system/cvMeshDict-generatePoints system/cvMeshDict
+runApplication surfaceFeatureExtract constant/triSurface/flange.obj flange -includedAngle 150
+runApplication cvMesh
+
+# Use pre-generated aligned points (constant/internalDelaunayVertices)
+# to generate a mesh
+# cp system/controlDict-usePoints system/controlDict
+# cp system/cvMeshDict-usePoints system/cvMeshDict
+# runApplication cvMesh
+
+# Generate some sets for a bit of mesh inspection
+runApplication topoSet
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/cvMesh/flange/constant/polyMesh/boundary

@@ -0,0 +1,52 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       polyBoundaryMesh;
+    location    "constant/polyMesh";
+    object      boundary;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+5
+(
+    flange.obj_patch1
+    {
+        type            wall;
+        nFaces          9298;
+        startFace       95552;
+    }
+    flange.obj_patch2
+    {
+        type            wall;
+        nFaces          1107;
+        startFace       104850;
+    }
+    flange.obj_patch3
+    {
+        type            wall;
+        nFaces          329;
+        startFace       105957;
+    }
+    flange.obj_patch4
+    {
+        type            wall;
+        nFaces          1473;
+        startFace       106286;
+    }
+    cvMesh_defaultPatch
+    {
+        type            wall;
+        nFaces          41;
+        startFace       107759;
+    }
+)
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/flange/system/controlDict-generatePoints

@@ -0,0 +1,54 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      http://www.openfoam.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       latestTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         80;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   1000;   //10 to see the meshing steps
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/flange/system/controlDict-usePoints

@@ -0,0 +1,54 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      http://www.openfoam.org               |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       latestTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         0;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   1000;   //10 to see the meshing steps
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/flange/system/cvMeshDict-generatePoints

@@ -0,0 +1,231 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          cvMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Any scalar with a name <name>Coeff specifies a value that will be implemented
+// as a faction of the local target cell size
+
+geometry
+{
+    flange.obj
+    {
+        type triSurfaceMesh;
+    }
+}
+
+
+surfaceConformation
+{
+    locationInMesh (0 0 0);
+
+    pointPairDistanceCoeff      0.1;
+
+    mixedFeaturePointPPDistanceCoeff    5.0;
+
+    featurePointExclusionDistanceCoeff  0.4;
+
+    featureEdgeExclusionDistanceCoeff   0.2;
+
+    surfaceSearchDistanceCoeff  2.5;
+
+    maxSurfaceProtrusionCoeff   0.1;
+
+    maxQuadAngle 125;
+
+    surfaceConformationRebuildFrequency 10;
+
+    coarseConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    fineConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    geometryToConformTo
+    {
+        flange.obj
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "flange.extendedFeatureEdgeMesh";
+        }
+    }
+
+    additionalFeatures {}
+}
+
+
+initialPoints
+{
+    minimumSurfaceDistanceCoeff 0.55;
+
+    initialPointsMethod         autoDensity;
+    // initialPointsMethod         uniformGrid;
+    // initialPointsMethod         bodyCentredCubic;
+    // initialPointsMethod         pointFile;
+
+    autoDensityCoeffs
+    {
+        minLevels 1;
+        maxSizeRatio 2.0;
+        sampleResolution 5;
+        surfaceSampleResolution 5;
+    }
+
+    uniformGridCoeffs
+    {
+        initialCellSize         0.0015;
+        randomiseInitialGrid    yes;
+        randomPerturbationCoeff 0.02;
+    }
+
+    bodyCentredCubicCoeffs
+    {
+        initialCellSize         0.0015;
+        randomiseInitialGrid    no;
+        randomPerturbationCoeff 0.1;
+    }
+
+    pointFileCoeffs
+    {
+        pointFile              "constant/internalDelaunayVertices";
+    }
+}
+
+
+motionControl
+{
+    defaultCellSize     0.00075;
+
+    // Assign a priority to all requests for cell sizes, the highest overrules.
+    defaultPriority     0;
+
+    cellSizeControlGeometry
+    {
+    }
+
+    relaxationModel     adaptiveLinear;
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart 1.0;
+        relaxationEnd   0.0;
+    }
+
+    objOutput                   no;
+
+    timeChecks                  yes;
+
+    alignmentSearchSpokes       36;
+
+    alignmentAcceptanceAngle    48;
+
+    sizeAndAlignmentRebuildFrequency 20;
+
+    pointInsertionCriteria
+    {
+        cellCentreDistCoeff     1.75;
+        faceAreaRatioCoeff      0.0025;
+        acceptanceAngle         21.5;
+    }
+
+    pointRemovalCriteria
+    {
+        cellCentreDistCoeff  0.65;
+    }
+
+    faceAreaWeightModel piecewiseLinearRamp;
+
+    piecewiseLinearRampCoeffs
+    {
+        lowerAreaFraction       0.5;
+        upperAreaFraction       1.0;
+    }
+}
+
+
+polyMeshFiltering
+{
+    // Write the underlying Delaunay tet mesh at output time
+    writeTetDualMesh                        true;
+    filterSizeCoeff                         0.2;
+    mergeClosenessCoeff                     1e-4;
+    continueFilteringOnBadInitialPolyMesh   true;
+    filterErrorReductionCoeff               0.5;
+    filterCountSkipThreshold                4;
+    maxCollapseIterations                   25;
+    maxConsecutiveEqualFaceSets             5;
+    surfaceStepFaceAngle                    80;
+    edgeCollapseGuardFraction               0.3;
+    maxCollapseFaceToPointSideLengthCoeff   0.35;
+}
+
+
+meshQualityControls
+{
+    maxNonOrtho 65;
+    maxBoundarySkewness 50;
+    maxInternalSkewness 10;
+    maxConcave 80;
+    minTetQuality 1e-30;
+    minVol 0;
+    minArea -1;
+    minTwist 0.02;
+    minDeterminant 0.001;
+    minFaceWeight 0.02;
+    minVolRatio 0.01;
+    minTriangleTwist -1;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/flange/system/cvMeshDict-usePoints

@@ -0,0 +1,207 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          cvMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+// Any scalar with a name <name>Coeff specifies a value that will be implemented
+// as a faction of the local target cell size
+
+geometry
+{
+    flange.obj
+    {
+        type triSurfaceMesh;
+    }
+}
+
+
+surfaceConformation
+{
+    locationInMesh (0 0 0);
+
+    pointPairDistanceCoeff      0.1;
+
+    mixedFeaturePointPPDistanceCoeff    5.0;
+
+    featurePointExclusionDistanceCoeff  0.4;
+
+    featureEdgeExclusionDistanceCoeff   0.2;
+
+    surfaceSearchDistanceCoeff  2.5;
+
+    maxSurfaceProtrusionCoeff   0.1;
+
+    maxQuadAngle 125;
+
+    surfaceConformationRebuildFrequency 10;
+
+    coarseConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    fineConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    geometryToConformTo
+    {
+        flange.obj
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "flange.extendedFeatureEdgeMesh";
+        }
+    }
+
+    additionalFeatures {}
+}
+
+
+initialPoints
+{
+    minimumSurfaceDistanceCoeff 0.55;
+
+    initialPointsMethod         pointFile;
+
+    pointFileCoeffs
+    {
+        pointFile              "constant/internalDelaunayVertices";
+    }
+}
+
+
+motionControl
+{
+    defaultCellSize     0.00075;
+
+    // Assign a priority to all requests for cell sizes, the highest overrules.
+    defaultPriority     0;
+
+    cellSizeControlGeometry
+    {
+    }
+
+    relaxationModel     adaptiveLinear;
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart 1.0;
+        relaxationEnd   0.0;
+    }
+
+    objOutput                   no;
+
+    timeChecks                  yes;
+
+    alignmentSearchSpokes       36;
+
+    alignmentAcceptanceAngle    48;
+
+    sizeAndAlignmentRebuildFrequency 20;
+
+    pointInsertionCriteria
+    {
+        cellCentreDistCoeff     1.75;
+        faceAreaRatioCoeff      0.0025;
+        acceptanceAngle         21.5;
+    }
+
+    pointRemovalCriteria
+    {
+        cellCentreDistCoeff  0.65;
+    }
+
+    faceAreaWeightModel piecewiseLinearRamp;
+
+    piecewiseLinearRampCoeffs
+    {
+        lowerAreaFraction       0.5;
+        upperAreaFraction       1.0;
+    }
+}
+
+
+polyMeshFiltering
+{
+    // Write the underlying Delaunay tet mesh at output time
+    writeTetDualMesh                        true;
+
+    filterSizeCoeff                         0.2;
+    mergeClosenessCoeff                     1e-4;
+    continueFilteringOnBadInitialPolyMesh   true;
+    filterErrorReductionCoeff               0.5;
+    filterCountSkipThreshold                4;
+    maxCollapseIterations                   25;
+    maxConsecutiveEqualFaceSets             5;
+    surfaceStepFaceAngle                    80;
+    edgeCollapseGuardFraction               0.3;
+    maxCollapseFaceToPointSideLengthCoeff   0.35;
+}
+
+
+meshQualityControls
+{
+    maxNonOrtho 65;
+    maxBoundarySkewness 50;
+    maxInternalSkewness 10;
+    maxConcave 80;
+    minTetQuality 1e-30;
+    minVol 0;
+    minArea -1;
+    minTwist 0.02;
+    minDeterminant 0.001;
+    minFaceWeight 0.02;
+    minVolRatio 0.01;
+    minTriangleTwist -1;
+}
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/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.com                      |
+|    \\/     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/cvMesh/flange/system/fvSolution

@@ -0,0 +1,41 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     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/cvMesh/flange/system/topoSetDict

@@ -0,0 +1,148 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  1.6                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     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 -0.01)(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 -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 -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/cvMesh/simpleShapes/Allclean

@@ -0,0 +1,18 @@
+#!/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/*_clean* > /dev/null 2>&1
+rm -r constant/polyMesh > /dev/null 2>&1
+rm constant/targetCellSize > /dev/null 2>&1
+rm -r constant/tetDualMesh > /dev/null 2>&1
+
+rm domain coneAndSphere > /dev/null 2>&1
+
+cleanCase
+
+# ----------------------------------------------------------------- end-of-file

tutorials/mesh/cvMesh/simpleShapes/Allrun

@@ -0,0 +1,51 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+
+# Source tutorial run functions
+. $WM_PROJECT_DIR/bin/tools/RunFunctions
+
+# Remove any small triangles (edges < 1e-4, sliver with Q < 1e-6) from surface
+# (cvMesh will try to conform to every feature).
+runApplication surfaceClean \
+    constant/triSurface/coneAndSphere.obj \
+    1e-4 1e-6 \
+    constant/triSurface/coneAndSphere_clean.obj
+mv log.surfaceClean log.surfaceClean.coneAndSphere
+# Orient so point to be meshed is inside surface
+surfaceOrient \
+    constant/triSurface/coneAndSphere_clean.obj \
+    -inside '(0 -0.5 0)' \
+    constant/triSurface/coneAndSphere_clean_orient.obj \
+    > log.surfaceOrient.coneAndSphere 2>&1
+
+# Same for outside
+runApplication surfaceClean \
+    constant/triSurface/domain.stl \
+    1e-4 1e-6 \
+    constant/triSurface/domain_clean.stl
+mv log.surfaceClean log.surfaceClean.domain
+surfaceOrient \
+    constant/triSurface/domain_clean.stl \
+    -inside '(0 -0.5 0)' \
+    constant/triSurface/domain_clean_orient.stl
+    > log.surfaceOrient.domain 2>&1
+
+runApplication surfaceFeatureExtract \
+    constant/triSurface/coneAndSphere_clean_orient.obj \
+    coneAndSphere -includedAngle 125
+mv log.surfaceFeatureExtract log.surfaceFeatureExtract.coneAndSphere_clean
+
+unset FOAM_SIGFPE
+runApplication surfaceFeatureExtract \
+    constant/triSurface/domain_clean_orient.stl \
+    domain -includedAngle 125
+mv log.surfaceFeatureExtract log.surfaceFeatureExtract.domain
+
+# Generate aligned points (in constant/internalDelaunayVertices) and a
+# mesh from that.
+runApplication cvMesh
+
+# Generate some sets for a bit of mesh inspection
+runApplication topoSet -constant -time 0:100
+
+# ----------------------------------------------------------------- end-of-file

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tutorials/mesh/cvMesh/simpleShapes/constant/triSurface/domain.stl

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tutorials/mesh/cvMesh/simpleShapes/system/controlDict

@@ -0,0 +1,54 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+
+    root            "";
+    case            "";
+    instance        "";
+    local           "";
+
+    class           dictionary;
+    object          controlDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+startFrom       latestTime;
+
+startTime       0;
+
+stopAt          endTime;
+
+endTime         80;
+
+deltaT          1;
+
+writeControl    timeStep;
+
+writeInterval   1000;   //10 to see the meshing steps
+
+purgeWrite      0;
+
+writeFormat     ascii;
+
+writePrecision  10;
+
+writeCompression uncompressed;
+
+timeFormat      general;
+
+timePrecision   6;
+
+runTimeModifiable yes;
+
+
+// ************************************************************************* //

tutorials/mesh/cvMesh/simpleShapes/system/cvMeshDict

@@ -0,0 +1,444 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+
+FoamFile
+{
+    version         2.0;
+    format          ascii;
+    class           dictionary;
+    object          cvMeshDict;
+}
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+
+/*
+
+Control dictionary for cvMesh - polyhedral mesh generator.
+
+cvMesh phases:
+1. fill volume with initial points (initialPoints subdictionary). An option
+   is to reread from previous set of points.
+
+2. internal point motion (motionControl subdictionary)
+
+3. every once in a while add point duplets/triplets to conform to
+   surfaces and features (surfaceConformation subdictionary)
+
+4. back to 2
+
+5. construct polyMesh.
+    - filter (polyMeshFiltering subdictionary)
+    - check (meshQualityControls subdictionary) and undo filtering
+
+
+See also cvControls.H in the conformalVoronoiMesh library
+
+*/
+
+
+// Important:
+// ----------
+// Any scalar with a name <name>Coeff specifies a value that will be implemented
+// as a faction of the local target cell size
+// Any scalar with a name <name>Size specifies an absolute size.
+
+
+// Geometry. Definition of all surfaces. All surfaces are of class
+// searchableSurface.
+// Surfaces need to be (almost) closed - use closedTriSurfaceMesh
+// if they are not topologically closed. Surfaces need to be oriented so
+// the space to be meshed is always on the inside of all surfaces. Use e.g.
+// surfaceOrient.
+geometry
+{
+    // Internal shape
+    coneAndSphere_clean_orient.obj
+    {
+        name coneAndSphere;
+        type triSurfaceMesh;
+    }
+
+    // Outside of domain
+    domain_clean_orient.stl
+    {
+        name domain;
+        type triSurfaceMesh;
+    }
+
+}
+
+
+// Controls for conforming to the surfaces.
+surfaceConformation
+{
+    // A point inside surfaces that is inside mesh.
+    locationInMesh (0 -0.5 0);
+
+    // How far apart are point-duplets generated. Balance this between
+    // - very low distance: little chance of interference from other
+    //   surfaces
+    // - largish distance: less non-orthogonality in final cell
+    //   (circumcentre far away from centroid)
+    pointPairDistanceCoeff      0.1;
+
+    // Mixed feature edges - both inside and outside edges. Recreated
+    // by inserting triplets of points to recreate a single edge. Done for
+    // all edges emanating from point. triplets of points get inserted
+    // mixedFeaturePointPPDistanceCoeff distance away from feature point.
+    mixedFeaturePointPPDistanceCoeff    5.0;
+
+    // Distance to a feature point within which surface and edge
+    // conformation points are excluded - fraction of the local target
+    // cell size
+    featurePointExclusionDistanceCoeff  0.4;
+
+    // Distance to an existing feature edge conformation location
+    // within which other edge conformation location are excluded -
+    // fraction of the local target cell size
+    featureEdgeExclusionDistanceCoeff   0.2;
+
+    // Optimisation: do not check for surface intersection (of dual edges)
+    // for points near to surface.
+    surfaceSearchDistanceCoeff  2.5;
+
+    // Maximum allowable protrusion through the surface before
+    // conformation points are added - fraction of the local target
+    // cell size. These small protusions are (hopefully) done by mesh filtering
+    // instead.
+    maxSurfaceProtrusionCoeff   0.1;
+
+    // If feature edge with large angle (so more than 125 degrees) introduce
+    // additional points to create two half angled cells (= mitering).
+    maxQuadAngle 125;
+
+    // Frequency to redo surface conformation (expensive).
+    surfaceConformationRebuildFrequency 10;
+
+    // Initial and intermediate controls
+    coarseConformationControls
+    {
+        // Initial conformation
+        initial
+        {
+            // We've got a point poking through the surface. Don't do any
+            // surface conformation if near feature edge (since feature edge
+            // conformation should have priority)
+
+            // distance to search for near feature edges
+            edgeSearchDistCoeff         1.1;
+
+            // Proximity to a feature edge where a surface hit is
+            //  not created, only the edge conformation is created
+            // - fraction of the local target cell size. Coarse
+            // conformation, initial protrusion tests.
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        // Same for iterations
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        // Stop either at maxIterations or if the number of surface pokes
+        // is very small (iterationToInitialHitRatioLimit * initial number)
+        // Note: perhaps iterationToInitialHitRatioLimit should be absolute
+        // count?
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    // Final (at endTime) controls
+    fineConformationControls
+    {
+        initial
+        {
+            edgeSearchDistCoeff         1.1;
+            surfacePtReplaceDistCoeff   0.5;
+        }
+
+        iteration
+        {
+            edgeSearchDistCoeff         1.25;
+            surfacePtReplaceDistCoeff   0.7;
+        }
+
+        maxIterations 15;
+
+        iterationToInitialHitRatioLimit 0.001;
+    }
+
+    // Geometry to mesh to
+    geometryToConformTo
+    {
+        coneAndSphere
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "coneAndSphere_clean_orient.extendedFeatureEdgeMesh";
+        }
+
+        domain
+        {
+            featureMethod extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "domain_clean_orient.extendedFeatureEdgeMesh";
+        }
+    }
+
+    additionalFeatures {}
+}
+
+
+// Controls for seeding initial points and general control of the target
+// cell size (used everywhere)
+initialPoints
+{
+    // Do not place point closer than minimumSurfaceDistanceCoeff
+    // to the surface. Is fraction of local target cell size (see below)
+    minimumSurfaceDistanceCoeff 0.55;
+
+    initialPointsMethod             autoDensity;
+    // initialPointsMethod          uniformGrid;
+    // initialPointsMethod          bodyCentredCubic;
+    // initialPointsMethod          pointFile;
+
+    // Take boundbox of all geometry. Samples with this box. If too much
+    // samples (due to target cell size) in box split box.
+    autoDensityCoeffs
+    {
+        // Initial number of refinement levels. Needs to be enough to pick
+        // up features due to size ratio. If not enough it will take longer
+        // to determine point seeding.
+        minLevels 4;
+        // Split box if ratio of min to max cell size larger than maxSizeRatio
+        maxSizeRatio 5.0;
+        // Per box sample 3x3x3 internally
+        sampleResolution 3;
+        // Additionally per face of the box sample 3
+        surfaceSampleResolution 3;
+    }
+
+    uniformGridCoeffs
+    {
+        // Absolute cell size.
+        initialCellSize         0.0015;
+        randomiseInitialGrid    yes;
+        randomPerturbationCoeff 0.02;
+    }
+
+    bodyCentredCubicCoeffs
+    {
+        initialCellSize         0.0015;
+        randomiseInitialGrid    no;
+        randomPerturbationCoeff 0.1;
+    }
+
+    pointFileCoeffs
+    {
+        // Reads points from file. Still rejects points that are too
+        // close to the surface (minimumSurfaceDistanceCoeff) or on the
+        // wrong side of the surfaces.
+        pointFile              "constant/internalDelaunayVertices";
+    }
+}
+
+
+// Control size of voronoi cells i.e. distance between points. This
+// determines the target cell size which is used everywhere.
+// It determines the cell size given a location. It then uses all
+// the rules
+// - defaultCellSize
+// - cellSizeControlGeometry
+// to determine target cell size. Rule with highest priority wins. If same
+// priority smallest cell size wins.
+motionControl
+{
+    // Absolute cell size of back ground mesh. This is the maximum cell size.
+    defaultCellSize     0.1;
+
+    // Assign a priority to all requests for cell sizes, the highest overrules.
+    defaultPriority     0;
+
+    cellSizeControlGeometry
+    {
+    }
+
+    // Underrelaxation for point motion. Simulated annealing: starts off at 1
+    // and lowers to 0 (at simulation endTime) to converge points.
+    // adaptiveLinear is preferred choice.
+    // Points move by e.g. 10% of tet size.
+    relaxationModel     adaptiveLinear; //rampHoldFall
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart 1.0;
+        relaxationEnd   0.0;
+    }
+
+    // Output lots and lots of .obj files
+    objOutput                   no;
+
+    // Timing and memory usage.
+    timeChecks                  yes;
+
+    // Number of rays in plane parallel to nearest surface. Used to detect
+    // next closest surfaces. Used to work out alignment (three vectors)
+    // to surface.
+    // Note that only the initial points (from the seeding) calculate this
+    // information so if these are not fine enough the alignment will
+    // not be correct. (any points added during the running will lookup
+    // this information from the nearest initial point since it is
+    // expensive)
+    alignmentSearchSpokes       36;
+
+    // For each delaunay edge (between two vertices, becomes
+    // the Voronoi face normal) snap to the alignment direction if within
+    // alignmentAcceptanceAngle. Slightly > 45 is a good choice - prevents
+    // flipping.
+    alignmentAcceptanceAngle    48;
+
+    // How often to rebuild the alignment info (expensive)
+    sizeAndAlignmentRebuildFrequency 20;
+
+    // When to insert points. Not advisable change to
+    // these settings.
+    pointInsertionCriteria
+    {
+        // If edge larger than 1.75 target cell size
+        // (so tets too large/stretched) insert point
+        cellCentreDistCoeff     1.75;
+        // Do not insert point if voronoi face (on edge) very small.
+        faceAreaRatioCoeff      0.0025;
+        // Insert point only if edge closely aligned to local alignment
+        // direction.
+        acceptanceAngle         21.5;
+    }
+
+    // Opposite: remove point if mesh too compressed. Do not change these
+    // settings.
+    pointRemovalCriteria
+    {
+        cellCentreDistCoeff  0.65;
+    }
+
+    // How to determine the point motion. All edges got some direction.
+    // Sum all edge contributions to determine point motion. Weigh by
+    // face area so motion is preferentially determined by large faces
+    // (or more importantly ignore contribution from small faces).
+    // Do not change these settings.
+    faceAreaWeightModel piecewiseLinearRamp;
+
+    piecewiseLinearRampCoeffs
+    {
+        lowerAreaFraction       0.5;
+        upperAreaFraction       1.0;
+    }
+}
+
+
+// After simulation, when converting to polyMesh, filter out small faces/edges.
+// Do not change. See cvControls.H
+polyMeshFiltering
+{
+    // Upper limit on the size of faces to be filtered.
+    // fraction of the local target cell size
+    filterSizeCoeff                         0.2;
+
+    // Upper limit on how close two dual vertices can be before
+    // being merged, fraction of the local target cell size
+    mergeClosenessCoeff                     1e-9;
+
+    // To not filter: set maxNonOrtho to 1 (so check fails) and then
+    // set continueFilteringOnBadInitialPolyMesh to false.
+    continueFilteringOnBadInitialPolyMesh   true;
+
+    // When a face is "bad", what fraction should the filterSizeCoeff be
+    // reduced by.  Recursive, so for a filterCount value of fC, the
+    // filterSizeCoeff is reduced by pow(filterErrorReductionCoeff, fC)
+    filterErrorReductionCoeff               0.5;
+
+    // Maximum number of filterCount applications before a face
+    // is not attempted to be filtered
+    filterCountSkipThreshold                4;
+
+    // Maximum number of permissible iterations of the face collapse
+    // algorithm.  The value to choose will be related the maximum number
+    // of points on a face that is to be collapsed and how many faces
+    // around it need to be collapsed.
+    maxCollapseIterations                   25;
+
+    // Maximum number of times an to allow an equal faceSet to be
+    // returned from the face quality assessment before stopping iterations
+    // to break an infinitie loop.
+    maxConsecutiveEqualFaceSets             5;
+    // Remove little steps (almost perp to surface) by collapsing face.
+    surfaceStepFaceAngle                    80;
+    // Do not collapse face to edge if should become edges
+    edgeCollapseGuardFraction               0.3;
+    // Only collapse face to point if high aspect ratio
+    maxCollapseFaceToPointSideLengthCoeff   0.35;
+}
+
+
+// Generic mesh quality settings. At any undoable phase these determine
+// where to undo. Same as in snappyHexMeshDict
+meshQualityControls
+{
+    //- 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 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 -1E30;
+
+    //- Minimum quality of the tet formed by the
+    //  variable base point minimum decomposition triangles and
+    //  the cell centre (so not face-centre decomposition).
+    //  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 absolute 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/cvMesh/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.com                      |
+|    \\/     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/cvMesh/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.com                      |
+|    \\/     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/cvMesh/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.com                      |
+|    \\/     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;
+        }
+    }
+);
+
+// ************************************************************************* //