diff --git a/etc/caseDicts/annotated/foamyHexMeshDict b/etc/caseDicts/annotated/foamyHexMeshDict
index 975fd099d7..64a6f989cf 100644
--- a/etc/caseDicts/annotated/foamyHexMeshDict
+++ b/etc/caseDicts/annotated/foamyHexMeshDict
@@ -433,8 +433,8 @@ meshQualityControls
     //  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.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
     minVol -1e30;
 
@@ -449,9 +449,6 @@ meshQualityControls
     //      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 0.02;
@@ -465,9 +462,6 @@ meshQualityControls
 
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
-
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
 }
 
 
diff --git a/etc/caseDicts/mesh/generation/meshQualityDict b/etc/caseDicts/mesh/generation/meshQualityDict
index 3d2b18a6e9..cfe837b340 100644
--- a/etc/caseDicts/mesh/generation/meshQualityDict
+++ b/etc/caseDicts/mesh/generation/meshQualityDict
@@ -25,10 +25,10 @@ maxInternalSkewness 4;
 //  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.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol 1e-13;
+minVol 1e-10;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and
@@ -39,9 +39,6 @@ minVol 1e-13;
 //      1 = regular tet
 minTetQuality 1e-15;
 
-//- Minimum face area. Set to <0 to disable.
-minArea -1;
-
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 // and face centre triangles normal
 minTwist 0.02;
@@ -61,20 +58,9 @@ minFaceWeight 0.05;
 //- Volume ratio of neighbouring cells (0 -> 1)
 minVolRatio 0.01;
 
-//- Per triangle normal compared to average normal. Like face twist
-//  but now per (face-centre decomposition) triangle. Must be >0 for Fluent
-//  compatibility
-minTriangleTwist -1;
-
 nSmoothScale   4;
 
 errorReduction 0.75;
 
-//- If >0 : preserve cells with all points on the surface if the
-//  resulting volume after snapping (by approximation) is larger than
-//  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-//  If <0 : delete always.
-//minVolCollapseRatio 0.1;
-
 
 // ************************************************************************* //
diff --git a/etc/caseDicts/mesh/generation/meshQualityDict.cfg b/etc/caseDicts/mesh/generation/meshQualityDict.cfg
index b8a1f8f6a7..df7b2610b5 100644
--- a/etc/caseDicts/mesh/generation/meshQualityDict.cfg
+++ b/etc/caseDicts/mesh/generation/meshQualityDict.cfg
@@ -14,19 +14,10 @@ maxInternalSkewness 4;
 
 maxConcave        80;
 
-// Minimum cell pyramid volume; case dependent
-minVol            1e-13;
+minVol            1e-10;
 
 minTetQuality    -1e30;
 
-// if >0 : preserve single cells with all points on the surface if the
-// resulting volume after snapping (by approximation) is larger than
-// minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-//  If <0 : delete always.
-//minVolCollapseRatio 0.5;
-
-minArea          -1;
-
 minTwist          0.02;
 
 minDeterminant    0.001;
@@ -35,8 +26,6 @@ minFaceWeight     0.05;
 
 minVolRatio       0.01;
 
-minTriangleTwist -1;
-
 nSmoothScale      4;
 
 errorReduction    0.75;
diff --git a/src/dynamicMesh/motionSmoother/motionSmootherAlgoCheck.C b/src/dynamicMesh/motionSmoother/motionSmootherAlgoCheck.C
index d002c35953..b8386e5112 100644
--- a/src/dynamicMesh/motionSmoother/motionSmootherAlgoCheck.C
+++ b/src/dynamicMesh/motionSmoother/motionSmootherAlgoCheck.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -76,10 +76,6 @@ bool Foam::motionSmootherAlgo::checkMesh
     (
         dict.lookup<scalar>("maxConcave", true)
     );
-    const scalar minArea
-    (
-        dict.lookup<scalar>("minArea", true)
-    );
     const scalar maxIntSkew
     (
         dict.lookup<scalar>("maxInternalSkewness", true)
@@ -100,10 +96,6 @@ bool Foam::motionSmootherAlgo::checkMesh
     (
         dict.lookup<scalar>("minTwist", true)
     );
-    const scalar minTriangleTwist
-    (
-        dict.lookup<scalar>("minTriangleTwist", true)
-    );
     scalar minFaceFlatness = -1.0;
     dict.readIfPresent("minFaceFlatness", minFaceFlatness, true);
     const scalar minDet
@@ -141,10 +133,12 @@ bool Foam::motionSmootherAlgo::checkMesh
 
     if (minVol > -great)
     {
+        const scalar refVol = pow3(mesh.bounds().minDim());
+
         polyMeshCheck::checkFacePyramids
         (
             report,
-            minVol,
+            minVol*refVol,
             mesh,
             mesh.cellCentres(),
             mesh.points(),
@@ -209,28 +203,6 @@ bool Foam::motionSmootherAlgo::checkMesh
         nWrongFaces = nNewWrongFaces;
     }
 
-    if (minArea > -small)
-    {
-        polyMeshCheck::checkFaceArea
-        (
-            report,
-            minArea,
-            mesh,
-            mesh.faceAreas(),
-            checkFaces,
-            &wrongFaces
-        );
-
-        label nNewWrongFaces = returnReduce(wrongFaces.size(), sumOp<label>());
-
-        Info<< "    faces with area < "
-            << setw(5) << minArea
-            << " m^2                            : "
-            << nNewWrongFaces-nWrongFaces << endl;
-
-        nWrongFaces = nNewWrongFaces;
-    }
-
     if (maxIntSkew > 0 || maxBounSkew > 0)
     {
         polyMeshCheck::checkFaceSkewness
@@ -333,32 +305,6 @@ bool Foam::motionSmootherAlgo::checkMesh
         nWrongFaces = nNewWrongFaces;
     }
 
-    if (minTriangleTwist > -1)
-    {
-        // Pout<< "Checking triangle twist: dot product of consecutive triangle"
-        //    << " normals resulting from face-centre decomposition" << endl;
-        polyMeshCheck::checkTriangleTwist
-        (
-            report,
-            minTriangleTwist,
-            mesh,
-            mesh.faceAreas(),
-            mesh.faceCentres(),
-            mesh.points(),
-            checkFaces,
-            &wrongFaces
-        );
-
-        label nNewWrongFaces = returnReduce(wrongFaces.size(), sumOp<label>());
-
-        Info<< "    faces with triangle twist < "
-            << setw(5) << minTriangleTwist
-            << "                      : "
-            << nNewWrongFaces-nWrongFaces << endl;
-
-        nWrongFaces = nNewWrongFaces;
-    }
-
     if (minFaceFlatness > -small)
     {
         polyMeshCheck::checkFaceFlatness
diff --git a/tutorials/compressible/rhoPimpleFoam/RAS/annularThermalMixer/system/snappyHexMeshDict b/tutorials/compressible/rhoPimpleFoam/RAS/annularThermalMixer/system/snappyHexMeshDict
index 8046e28ec1..7ef24fffb1 100644
--- a/tutorials/compressible/rhoPimpleFoam/RAS/annularThermalMixer/system/snappyHexMeshDict
+++ b/tutorials/compressible/rhoPimpleFoam/RAS/annularThermalMixer/system/snappyHexMeshDict
@@ -249,12 +249,10 @@ meshQualityControls
     maxConcave 80;
     minVol 1e-13;
     minTetQuality -1;
-    minArea -1;
     minTwist 0.01;
     minDeterminant 0.001;
     minFaceWeight 0.05;
     minVolRatio 0.01;
-    minTriangleTwist -1;
     nSmoothScale 4;
     errorReduction 0.75;
     relaxed
diff --git a/tutorials/incompressible/pimpleFoam/RAS/propeller/system/snappyHexMeshDict b/tutorials/incompressible/pimpleFoam/RAS/propeller/system/snappyHexMeshDict
index 90288d3fc4..eeb931159c 100644
--- a/tutorials/incompressible/pimpleFoam/RAS/propeller/system/snappyHexMeshDict
+++ b/tutorials/incompressible/pimpleFoam/RAS/propeller/system/snappyHexMeshDict
@@ -388,10 +388,10 @@ meshQualityControls
     //  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.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
-    minVol 1e-13;
+    minVol 1e-10;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and
@@ -403,9 +403,6 @@ meshQualityControls
     //      1 = regular tet
     minTetQuality -1; // 1e-30;
 
-    //- Minimum face area. Set to <0 to disable.
-    minArea -1;
-
     //- Minimum face twist. Set to <-1 to disable. dot product of face normal
     //  and face centre triangles normal
     minTwist 0.01;
@@ -420,14 +417,11 @@ meshQualityControls
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-
     // Advanced
 
     //- Number of error distribution iterations
     nSmoothScale 4;
+
     //- Amount to scale back displacement at error points
     errorReduction 0.75;
 
diff --git a/tutorials/incompressible/pimpleFoam/RAS/wingMotion/wingMotion_snappyHexMesh/system/snappyHexMeshDict b/tutorials/incompressible/pimpleFoam/RAS/wingMotion/wingMotion_snappyHexMesh/system/snappyHexMeshDict
index 53cc73718c..1c2faebcf1 100644
--- a/tutorials/incompressible/pimpleFoam/RAS/wingMotion/wingMotion_snappyHexMesh/system/snappyHexMeshDict
+++ b/tutorials/incompressible/pimpleFoam/RAS/wingMotion/wingMotion_snappyHexMesh/system/snappyHexMeshDict
@@ -265,10 +265,10 @@ meshQualityControls
     //  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.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
-    minVol 1e-13;
+    minVol 1e-10;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and
@@ -279,9 +279,6 @@ meshQualityControls
     //      1 = regular tet
     minTetQuality 1e-30;
 
-    //- Minimum face area. Set to <0 to disable.
-    minArea -1;
-
     //- Minimum face twist. Set to <-1 to disable. dot product of face normal
     //  and face centre triangles normal
     minTwist 0.05;
@@ -296,14 +293,11 @@ meshQualityControls
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-
     // Advanced
 
     //- Number of error distribution iterations
     nSmoothScale 4;
+
     //- Amount to scale back displacement at error points
     errorReduction 0.75;
 }
diff --git a/tutorials/incompressible/pisoFoam/LES/motorBike/motorBike/system/snappyHexMeshDict b/tutorials/incompressible/pisoFoam/LES/motorBike/motorBike/system/snappyHexMeshDict
index 0e3e630337..8871133c55 100644
--- a/tutorials/incompressible/pisoFoam/LES/motorBike/motorBike/system/snappyHexMeshDict
+++ b/tutorials/incompressible/pisoFoam/LES/motorBike/motorBike/system/snappyHexMeshDict
@@ -47,7 +47,6 @@ geometry
 // Settings for the castellatedMesh generation.
 castellatedMeshControls
 {
-
     // Refinement parameters
     // ~~~~~~~~~~~~~~~~~~~~~
 
@@ -277,14 +276,12 @@ meshQualityControls
     //- Minimum projected area v.s. actual area. Set to -1 to disable.
     minFlatness 0.5;
 
-    //- Minimum pyramid volume. Is absolute volume of cell pyramid.
-    //  Set to a sensible fraction of the smallest cell volume expected.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
-    minVol 1e-13;
-    minTetQuality 1e-30;
+    minVol 1e-10;
 
-    //- Minimum face area. Set to <0 to disable.
-    minArea -1;
+    minTetQuality 1e-30;
 
     //- Minimum face twist. Set to <-1 to disable. dot product of face normal
     //  and face centre triangles normal
@@ -300,10 +297,6 @@ meshQualityControls
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-
     // Advanced
 
     //- Number of error distribution iterations
diff --git a/tutorials/incompressible/simpleFoam/turbineSiting/system/snappyHexMeshDict b/tutorials/incompressible/simpleFoam/turbineSiting/system/snappyHexMeshDict
index bb652c555b..a25152680a 100644
--- a/tutorials/incompressible/simpleFoam/turbineSiting/system/snappyHexMeshDict
+++ b/tutorials/incompressible/simpleFoam/turbineSiting/system/snappyHexMeshDict
@@ -324,10 +324,10 @@ meshQualityControls
     //  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.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
-    minVol 1e-13;
+    minVol 1e-10;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and
@@ -338,9 +338,6 @@ meshQualityControls
     //      1 = regular tet
     minTetQuality 1e-30;
 
-    //- Minimum face area. Set to <0 to disable.
-    minArea -1;
-
     //- Minimum face twist. Set to <-1 to disable. dot product of face normal
     //  and face centre triangles normal
     minTwist 0.05;
@@ -355,25 +352,14 @@ meshQualityControls
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-    //- If >0 : preserve single cells with all points on the surface if the
-    //  resulting volume after snapping (by approximation) is larger than
-    //  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-    //  If <0 : delete always.
-    // minVolCollapseRatio 0.5;
-
-
     // Advanced
 
     //- Number of error distribution iterations
     nSmoothScale 4;
+
     //- Amount to scale back displacement at error points
     errorReduction 0.75;
 
-
-
     // Optional : some meshing phases allow usage of relaxed rules.
     // See e.g. addLayersControls::nRelaxedIter.
     relaxed
diff --git a/tutorials/mesh/foamyHexMesh/blob/system/meshQualityDict b/tutorials/mesh/foamyHexMesh/blob/system/meshQualityDict
index 3342b44aec..9239dc9d8b 100644
--- a/tutorials/mesh/foamyHexMesh/blob/system/meshQualityDict
+++ b/tutorials/mesh/foamyHexMesh/blob/system/meshQualityDict
@@ -35,13 +35,10 @@ maxConcave          80;
 //      1 = regular tet
 minTetQuality       1e-30;
 
-//- Minimum pyramid volume. Is absolute volume of cell pyramid.
-//  Set to a sensible fraction of the smallest cell volume expected.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol              1e-20;
-
-//- Minimum face area. Set to <0 to disable.
-minArea             -1;
+minVol 1e-10;
 
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
@@ -57,8 +54,5 @@ minFaceWeight       0.02;
 //- minVolRatio (0 -> 1)
 minVolRatio         0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist    -1;
-
 
 // ************************************************************************* //
diff --git a/tutorials/mesh/foamyHexMesh/flange/system/meshQualityDict b/tutorials/mesh/foamyHexMesh/flange/system/meshQualityDict
index 124e0a47ab..a2546e6620 100644
--- a/tutorials/mesh/foamyHexMesh/flange/system/meshQualityDict
+++ b/tutorials/mesh/foamyHexMesh/flange/system/meshQualityDict
@@ -35,13 +35,10 @@ maxConcave          80;
 //      1 = regular tet
 minTetQuality       1e-30;
 
-//- Minimum pyramid volume. Is absolute volume of cell pyramid.
-//  Set to a sensible fraction of the smallest cell volume expected.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol              0;
-
-//- Minimum face area. Set to <0 to disable.
-minArea             -1;
+minVol 0;
 
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
@@ -57,8 +54,5 @@ minFaceWeight       0.02;
 //- minVolRatio (0 -> 1)
 minVolRatio         0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist    -1;
-
 
 // ************************************************************************* //
diff --git a/tutorials/mesh/foamyHexMesh/simpleShapes/system/meshQualityDict b/tutorials/mesh/foamyHexMesh/simpleShapes/system/meshQualityDict
index 2a6399f3c9..6044841568 100644
--- a/tutorials/mesh/foamyHexMesh/simpleShapes/system/meshQualityDict
+++ b/tutorials/mesh/foamyHexMesh/simpleShapes/system/meshQualityDict
@@ -35,13 +35,10 @@ maxConcave          80;
 //      1 = regular tet
 minTetQuality       1e-30;
 
-//- Minimum pyramid volume. Is absolute volume of cell pyramid.
-//  Set to a sensible fraction of the smallest cell volume expected.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol              0;
-
-//- Minimum face area. Set to <0 to disable.
-minArea             -1;
+minVol 0;
 
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
@@ -57,8 +54,5 @@ minFaceWeight       0.02;
 //- minVolRatio (0 -> 1)
 minVolRatio         0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist    -1;
-
 
 // ************************************************************************* //
diff --git a/tutorials/multiphase/interFoam/RAS/DTCHull/system/meshQualityDict b/tutorials/multiphase/interFoam/RAS/DTCHull/system/meshQualityDict
index 49973b1677..89d91b5160 100644
--- a/tutorials/multiphase/interFoam/RAS/DTCHull/system/meshQualityDict
+++ b/tutorials/multiphase/interFoam/RAS/DTCHull/system/meshQualityDict
@@ -26,10 +26,10 @@ maxInternalSkewness 4;
 //  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.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol 1e-13;
+minVol 1e-10;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and
@@ -40,9 +40,6 @@ minVol 1e-13;
 //      1 = regular tet
 minTetQuality 1e-30;
 
-//- Minimum face area. Set to <0 to disable.
-minArea -1;
-
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
 minTwist 0.05;
@@ -57,16 +54,6 @@ minFaceWeight 0.05;
 //- minVolRatio (0 -> 1)
 minVolRatio 0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist -1;
-
-//- If >0 : preserve single cells with all points on the surface if the
-//  resulting volume after snapping (by approximation) is larger than
-//  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-//  If <0 : delete always.
-//minVolCollapseRatio 0.5;
-
-
 // Advanced
 
 //- Number of error distribution iterations
diff --git a/tutorials/multiphase/interFoam/RAS/DTCHullMoving/system/meshQualityDict b/tutorials/multiphase/interFoam/RAS/DTCHullMoving/system/meshQualityDict
index 49973b1677..4cda897dd9 100644
--- a/tutorials/multiphase/interFoam/RAS/DTCHullMoving/system/meshQualityDict
+++ b/tutorials/multiphase/interFoam/RAS/DTCHullMoving/system/meshQualityDict
@@ -26,10 +26,10 @@ maxInternalSkewness 4;
 //  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.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol 1e-13;
+minVol 1e-10;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and
@@ -40,9 +40,6 @@ minVol 1e-13;
 //      1 = regular tet
 minTetQuality 1e-30;
 
-//- Minimum face area. Set to <0 to disable.
-minArea -1;
-
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
 minTwist 0.05;
@@ -57,16 +54,6 @@ minFaceWeight 0.05;
 //- minVolRatio (0 -> 1)
 minVolRatio 0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist -1;
-
-//- If >0 : preserve single cells with all points on the surface if the
-//  resulting volume after snapping (by approximation) is larger than
-//  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-//  If <0 : delete always.
-//minVolCollapseRatio 0.5;
-
-
 // Advanced
 
 //- Number of error distribution iterations
@@ -74,8 +61,6 @@ nSmoothScale 4;
 //- Amount to scale back displacement at error points
 errorReduction 0.75;
 
-
-
 // Optional : some meshing phases allow usage of relaxed rules.
 // See e.g. addLayersControls::nRelaxedIter.
 relaxed
diff --git a/tutorials/multiphase/interFoam/RAS/DTCHullWave/system/meshQualityDict b/tutorials/multiphase/interFoam/RAS/DTCHullWave/system/meshQualityDict
index 49973b1677..89d91b5160 100644
--- a/tutorials/multiphase/interFoam/RAS/DTCHullWave/system/meshQualityDict
+++ b/tutorials/multiphase/interFoam/RAS/DTCHullWave/system/meshQualityDict
@@ -26,10 +26,10 @@ maxInternalSkewness 4;
 //  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.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol 1e-13;
+minVol 1e-10;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and
@@ -40,9 +40,6 @@ minVol 1e-13;
 //      1 = regular tet
 minTetQuality 1e-30;
 
-//- Minimum face area. Set to <0 to disable.
-minArea -1;
-
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
 minTwist 0.05;
@@ -57,16 +54,6 @@ minFaceWeight 0.05;
 //- minVolRatio (0 -> 1)
 minVolRatio 0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist -1;
-
-//- If >0 : preserve single cells with all points on the surface if the
-//  resulting volume after snapping (by approximation) is larger than
-//  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-//  If <0 : delete always.
-//minVolCollapseRatio 0.5;
-
-
 // Advanced
 
 //- Number of error distribution iterations
diff --git a/tutorials/multiphase/interFoam/RAS/mixerVesselAMI/system/snappyHexMeshDict b/tutorials/multiphase/interFoam/RAS/mixerVesselAMI/system/snappyHexMeshDict
index d558078123..27ca9a5f9f 100644
--- a/tutorials/multiphase/interFoam/RAS/mixerVesselAMI/system/snappyHexMeshDict
+++ b/tutorials/multiphase/interFoam/RAS/mixerVesselAMI/system/snappyHexMeshDict
@@ -513,10 +513,10 @@ meshQualityControls
     // 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 1e-13;
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
+    //  Set to very negative number (e.g. -1e30) to disable.
+    minVol 1e-10;
 
     // Minimum quality of the tet formed by the face-centre
     // and variable base point minimum decomposition triangles and
@@ -528,9 +528,6 @@ meshQualityControls
     //     1 = regular tet
     minTetQuality -1e-30;
 
-    // Minimum face area. Set to <0 to disable.
-    minArea -1;
-
     // Minimum face twist. Set to <-1 to disable. dot product of face normal
     // and face centre triangles normal
     minTwist 0.05;
@@ -545,19 +542,11 @@ meshQualityControls
     // minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-    //- If >0 : preserve single cells with all points on the surface if the
-    //  resulting volume after snapping (by approximation) is larger than
-    //  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-    //  If <0 : delete always.
-    // minVolCollapseRatio 0.5;
-
     // Advanced
 
     // Number of error distribution iterations
     nSmoothScale 4;
+
     // amount to scale back displacement at error points
     errorReduction 0.75;
 
diff --git a/tutorials/multiphase/interFoam/RAS/planingHullW3/system/meshQualityDict b/tutorials/multiphase/interFoam/RAS/planingHullW3/system/meshQualityDict
index 49973b1677..6e7239690d 100644
--- a/tutorials/multiphase/interFoam/RAS/planingHullW3/system/meshQualityDict
+++ b/tutorials/multiphase/interFoam/RAS/planingHullW3/system/meshQualityDict
@@ -26,10 +26,10 @@ maxInternalSkewness 4;
 //  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.
+//- Minimum cell pyramid volume relative to min bounding box length^3
+//  Set to a fraction of the smallest cell volume expected.
 //  Set to very negative number (e.g. -1e30) to disable.
-minVol 1e-13;
+minVol 1e-10;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and
@@ -40,9 +40,6 @@ minVol 1e-13;
 //      1 = regular tet
 minTetQuality 1e-30;
 
-//- Minimum face area. Set to <0 to disable.
-minArea -1;
-
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal
 minTwist 0.05;
@@ -57,25 +54,14 @@ minFaceWeight 0.05;
 //- minVolRatio (0 -> 1)
 minVolRatio 0.01;
 
-//must be >0 for Fluent compatibility
-minTriangleTwist -1;
-
-//- If >0 : preserve single cells with all points on the surface if the
-//  resulting volume after snapping (by approximation) is larger than
-//  minVolCollapseRatio times old volume (i.e. not collapsed to flat cell).
-//  If <0 : delete always.
-//minVolCollapseRatio 0.5;
-
-
 // Advanced
 
 //- Number of error distribution iterations
 nSmoothScale 4;
+
 //- Amount to scale back displacement at error points
 errorReduction 0.75;
 
-
-
 // Optional : some meshing phases allow usage of relaxed rules.
 // See e.g. addLayersControls::nRelaxedIter.
 relaxed
diff --git a/tutorials/multiphase/interFoam/RAS/propeller/system/snappyHexMeshDict b/tutorials/multiphase/interFoam/RAS/propeller/system/snappyHexMeshDict
index 90288d3fc4..eeb931159c 100644
--- a/tutorials/multiphase/interFoam/RAS/propeller/system/snappyHexMeshDict
+++ b/tutorials/multiphase/interFoam/RAS/propeller/system/snappyHexMeshDict
@@ -388,10 +388,10 @@ meshQualityControls
     //  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.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
-    minVol 1e-13;
+    minVol 1e-10;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and
@@ -403,9 +403,6 @@ meshQualityControls
     //      1 = regular tet
     minTetQuality -1; // 1e-30;
 
-    //- Minimum face area. Set to <0 to disable.
-    minArea -1;
-
     //- Minimum face twist. Set to <-1 to disable. dot product of face normal
     //  and face centre triangles normal
     minTwist 0.01;
@@ -420,14 +417,11 @@ meshQualityControls
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-
     // Advanced
 
     //- Number of error distribution iterations
     nSmoothScale 4;
+
     //- Amount to scale back displacement at error points
     errorReduction 0.75;
 
diff --git a/tutorials/multiphase/interFoam/RAS/weirOverflow/system/blockMeshDict b/tutorials/multiphase/interFoam/RAS/weirOverflow/system/blockMeshDict
index 82adfc5262..5c9e3ddcb4 100644
--- a/tutorials/multiphase/interFoam/RAS/weirOverflow/system/blockMeshDict
+++ b/tutorials/multiphase/interFoam/RAS/weirOverflow/system/blockMeshDict
@@ -53,32 +53,56 @@ blocks
     hex (6 7 11 10 18 19 23 22) (60 24 1) simpleGrading (1 1 1)
 );
 
-patches
+defaultPatch
+{
+    type empty;
+}
+
+boundary
 (
-    patch inlet
-    (
-        (0 12 16 4)
-        (4 16 20 8)
-    )
-    patch outlet
-    (
-        (7 19 15 3)
-        (11 23 19 7)
-    )
-    wall lowerWall
-    (
-        (0 1 13 12)
-        (1 5 17 13)
-        (5 6 18 17)
-        (2 14 18 6)
-        (2 3 15 14)
-    )
-    patch atmosphere
-    (
-        (8 20 21 9)
-        (9 21 22 10)
-        (10 22 23 11)
-    )
+    inlet
+    {
+        type patch;
+        faces
+        (
+            (0 12 16 4)
+            (4 16 20 8)
+        );
+    }
+
+    outlet
+    {
+        type patch;
+        faces
+        (
+            (7 19 15 3)
+            (11 23 19 7)
+        );
+    }
+
+    lowerWall
+    {
+        type wall;
+        faces
+        (
+            (0 1 13 12)
+            (1 5 17 13)
+            (5 6 18 17)
+            (2 14 18 6)
+            (2 3 15 14)
+        );
+    }
+
+    atmosphere
+    {
+        type patch;
+        faces
+        (
+            (8 20 21 9)
+            (9 21 22 10)
+            (10 22 23 11)
+        );
+    }
 );
 
 
diff --git a/tutorials/multiphase/interFoam/laminar/cavitatingBullet/system/snappyHexMeshDict b/tutorials/multiphase/interFoam/laminar/cavitatingBullet/system/snappyHexMeshDict
index b0d6f085f0..94e59334a6 100644
--- a/tutorials/multiphase/interFoam/laminar/cavitatingBullet/system/snappyHexMeshDict
+++ b/tutorials/multiphase/interFoam/laminar/cavitatingBullet/system/snappyHexMeshDict
@@ -289,9 +289,10 @@ meshQualityControls
     //  Set to 180 to disable.
     maxConcave 80;
 
-    //- Minimum pyramid volume. Is absolute volume of cell pyramid.
+    //- Minimum cell pyramid volume relative to min bounding box length^3
+    //  Set to a fraction of the smallest cell volume expected.
     //  Set to very negative number (e.g. -1e30) to disable.
-    minVol 1e-20;
+    minVol 1e-10;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and
@@ -302,9 +303,6 @@ meshQualityControls
     //      1 = regular tet
     minTetQuality 1e-30;
 
-    //- Minimum face area. Set to <0 to disable.
-    minArea -1;
-
     //- Minimum face twist. Set to <-1 to disable. dot product of face normal
     //  and face centre triangles normal
     minTwist 0.02;
@@ -319,14 +317,11 @@ meshQualityControls
     //- minVolRatio (0 -> 1)
     minVolRatio 0.01;
 
-    // must be >0 for Fluent compatibility
-    minTriangleTwist -1;
-
-
     // Advanced
 
     //- Number of error distribution iterations
     nSmoothScale 4;
+
     //- Amount to scale back displacement at error points
     errorReduction 0.75;
 }