meshQualityDict: Switch off the minVol control by default

It is not clear for what cases the minVol control is useful or necessary and for
some cases it causes problems with snapping and layer addition if not set to a
sufficiently small value.

etc/caseDicts/mesh/generation/meshQualityDict

@@ -28,7 +28,7 @@ maxConcave 80;
 //- 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;
+minVol -1e30;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and

etc/caseDicts/mesh/generation/meshQualityDict.cfg

@@ -14,9 +14,9 @@ maxInternalSkewness 4;
 
 maxConcave        80;
 
-minVol            1e-10;
+minVol            -1e30;
 
-minTetQuality    -1e30;
+minTetQuality     -1e30;
 
 minTwist          0.02;
 

tutorials/compressible/rhoPimpleFoam/RAS/annularThermalMixer/system/snappyHexMeshDict

@@ -247,7 +247,7 @@ meshQualityControls
     maxInternalSkewness 4;
 
     maxConcave 80;
-    minVol 1e-13;
+    minVol -1e30;
     minTetQuality -1;
     minTwist 0.01;
     minDeterminant 0.001;

tutorials/incompressible/pimpleFoam/RAS/propeller/system/snappyHexMeshDict

@@ -391,7 +391,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and

tutorials/incompressible/pimpleFoam/RAS/wingMotion/wingMotion_snappyHexMesh/system/snappyHexMeshDict

@@ -268,7 +268,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and

tutorials/incompressible/pisoFoam/LES/motorBike/motorBike/system/snappyHexMeshDict

@@ -279,7 +279,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     minTetQuality 1e-30;
 

tutorials/incompressible/simpleFoam/turbineSiting/system/snappyHexMeshDict

@@ -327,7 +327,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and

tutorials/mesh/foamyHexMesh/blob/system/meshQualityDict

@@ -38,7 +38,7 @@ minTetQuality       1e-30;
 //- 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;
+minVol -1e30;
 
 //- Minimum face twist. Set to <-1 to disable. dot product of face normal
 //  and face centre triangles normal

tutorials/multiphase/interFoam/RAS/DTCHull/system/meshQualityDict

@@ -29,7 +29,7 @@ maxConcave 80;
 //- 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;
+minVol -1e30;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and

tutorials/multiphase/interFoam/RAS/DTCHullMoving/system/meshQualityDict

@@ -29,7 +29,7 @@ maxConcave 80;
 //- 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;
+minVol -1e30;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and

tutorials/multiphase/interFoam/RAS/DTCHullWave/system/meshQualityDict

@@ -29,7 +29,7 @@ maxConcave 80;
 //- 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;
+minVol -1e30;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and

tutorials/multiphase/interFoam/RAS/mixerVesselAMI/system/snappyHexMeshDict

@@ -516,7 +516,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     // Minimum quality of the tet formed by the face-centre
     // and variable base point minimum decomposition triangles and

tutorials/multiphase/interFoam/RAS/planingHullW3/system/meshQualityDict

@@ -29,7 +29,7 @@ maxConcave 80;
 //- 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;
+minVol -1e30;
 
 //- Minimum quality of the tet formed by the face-centre
 //  and variable base point minimum decomposition triangles and

tutorials/multiphase/interFoam/RAS/propeller/system/snappyHexMeshDict

@@ -391,7 +391,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and

tutorials/multiphase/interFoam/laminar/cavitatingBullet/system/snappyHexMeshDict

@@ -292,7 +292,7 @@ meshQualityControls
     //- 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;
+    minVol -1e30;
 
     //- Minimum quality of the tet formed by the face-centre
     //  and variable base point minimum decomposition triangles and