Revert "COMP: cvMesh and cv2DMesh removed"

This reverts commit e4c1409679.

tutorials/mesh/cv2DMesh/OpenCFD/system/cv2DMeshDict

@@ -0,0 +1,158 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       dictionary;
+    object      cv2DMeshDict;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+geometry
+{
+    opencfd_text.stl
+    {
+        name letters;
+        type closedTriSurfaceMesh;
+    }
+
+    opencfd_box.stl
+    {
+        name box;
+        type closedTriSurfaceMesh;
+    }
+}
+
+
+surfaceConformation
+{
+    // The z-coordinate of the plane is taken from here.
+    locationInMesh                  (0 0 0);
+
+    pointPairDistanceCoeff          0.1;
+
+    minEdgeLenCoeff                 0.1;
+
+    maxNotchLenCoeff                1.0;
+
+    minNearPointDistCoeff           0.1;
+
+    maxQuadAngle                    120;
+
+    // Insert near-boundary point mirror or point-pairs
+    insertSurfaceNearestPointPairs  yes;
+
+    // Mirror near-boundary points rather than insert point-pairs
+    mirrorPoints                    no;
+
+    // Insert point-pairs vor dual-cell vertices very near the surface
+    insertSurfaceNearPointPairs     yes;
+
+    // Maximum number of iterations used in boundaryConform.
+    maxBoundaryConformingIter       5;
+
+    geometryToConformTo
+    {
+        letters
+        {
+            featureMethod           extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "opencfd_text.extendedFeatureEdgeMesh";
+        }
+
+        box
+        {
+            featureMethod           extendedFeatureEdgeMesh;
+            extendedFeatureEdgeMesh "opencfd_box.extendedFeatureEdgeMesh";
+        }
+    }
+
+    additionalFeatures
+    {}
+
+    // Choose if to randomise the initial grid created by insertGrid.
+    randomiseInitialGrid            yes;
+
+    // Perturbation fraction, 1 = cell-size.
+    randomPerturbation              0.1;
+}
+
+
+motionControl
+{
+    // This is a tolerance for determining whether to deal with surface
+    // protrusions or not.
+    minCellSize         0.02;
+
+    // Assign a priority to all requests for cell sizes, the highest overrules.
+    defaultPriority     0;
+
+    shapeControlFunctions
+    {
+        letters
+        {
+            type                  searchableSurfaceControl;
+            priority              1;
+            mode                  bothSides;
+            cellSizeFunction      uniform;
+
+            linearDistanceCoeffs
+            {
+                distanceCellSize  $minCellSize;
+                distance          1;
+            }
+            uniformCoeffs
+            {}
+
+            surfaceCellSizeFunction uniformValue;
+            uniformValueCoeffs
+            {
+                surfaceCellSize   $minCellSize;
+            }
+        }
+    }
+
+    relaxationModel     adaptiveLinear;
+
+    adaptiveLinearCoeffs
+    {
+        relaxationStart 0.5;
+        relaxationEnd   0.0;
+    }
+
+    objOutput           no;
+
+    meshedSurfaceOutput yes;
+
+    // Near-wall region where cells are aligned with the wall specified as a
+    // number of cell layers
+    nearWallAlignedDist 3;
+}
+
+
+shortEdgeFilter
+{
+    // Factor to multiply the average of a face's edge lengths by.
+    // If an edge of that face is smaller than that value then delete it.
+    shortEdgeFilterFactor           0.2;
+
+    // Weighting for the lengths of edges that are attached to the boundaries.
+    // Used when calculating the length of an edge. Default 2.0.
+    edgeAttachedToBoundaryFactor    2.0;
+}
+
+
+extrusion
+{
+    extrude  off;
+
+    #include "extrude2DMeshDict"
+}
+
+
+// ************************************************************************* //