ENH: foamyHexMesh: Enable only the conformation step to be run if internal points are all fixed

applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.C

@@ -1046,6 +1046,18 @@ Foam::conformalVoronoiMesh::conformalVoronoiMesh
         )
     ),
     decomposition_()
+{}
+
+
+// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+
+Foam::conformalVoronoiMesh::~conformalVoronoiMesh()
+{}
+
+
+// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
+
+void Foam::conformalVoronoiMesh::initialiseForMotion()
 {
     if (foamyHexMeshControls().objOutput())
     {
@@ -1061,7 +1073,10 @@ Foam::conformalVoronoiMesh::conformalVoronoiMesh
                 runTime_,
                 rndGen_,
                 geometryToConformTo_,
-                foamyHexMeshDict.subDict("backgroundMeshDecomposition")
+                foamyHexMeshControls().foamyHexMeshDict().subDict
+                (
+                    "backgroundMeshDecomposition"
+                )
             )
         );
     }
@@ -1125,13 +1140,53 @@ Foam::conformalVoronoiMesh::conformalVoronoiMesh
 }
 
 
-// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
+void Foam::conformalVoronoiMesh::initialiseForConformation()
+{
+    if (Pstream::parRun())
+    {
+        decomposition_.reset
+        (
+            new backgroundMeshDecomposition
+            (
+                runTime_,
+                rndGen_,
+                geometryToConformTo_,
+                foamyHexMeshControls().foamyHexMeshDict().subDict
+                (
+                    "backgroundMeshDecomposition"
+                )
+            )
+        );
+    }
 
-Foam::conformalVoronoiMesh::~conformalVoronoiMesh()
-{}
+    insertInitialPoints();
 
+    insertFeaturePoints();
+
+    // Improve the guess that the backgroundMeshDecomposition makes with the
+    // initial positions.  Use before building the surface conformation to
+    // better balance the surface conformation load.
+    distributeBackground(*this);
+
+    buildSurfaceConformation();
+
+    // The introduction of the surface conformation may have distorted the
+    // balance of vertices, distribute if necessary.
+    distributeBackground(*this);
+
+    if (Pstream::parRun())
+    {
+        sync(decomposition_().procBounds());
+    }
+
+    cellSizeMeshOverlapsBackground();
+
+    if (foamyHexMeshControls().printVertexInfo())
+    {
+        printVertexInfo(Info);
+    }
+}
 
-// * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * * //
 
 void Foam::conformalVoronoiMesh::move()
 {

applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.H

@@ -1038,6 +1038,10 @@ public:
 
     // Member Functions
 
+        void initialiseForMotion();
+
+        void initialiseForConformation();
+
         //- Move the vertices according to the controller, re-conforming to the
         //  surface as required
         void move();

applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/initialPointsMethod/pointFile/pointFile.C

@@ -58,7 +58,7 @@ List<Vb::Point> pointFile::initialPoints() const
         IOobject
         (
             pointFileName_.name(),
-            foamyHexMesh_.time().constant(),
+            foamyHexMesh_.time().timeName(),
             foamyHexMesh_.time(),
             IOobject::MUST_READ,
             IOobject::NO_WRITE

applications/utilities/mesh/generation/foamyHexMesh/foamyHexMesh.C

@@ -45,12 +45,22 @@ int main(int argc, char *argv[])
         "check all surface geometry for quality"
     );
 
+    Foam::argList::addBoolOption
+    (
+        "conformationOnly",
+        "conform to the initial points without any point motion"
+    );
+
+    #include "addOverwriteOption.H"
+
     #include "setRootCase.H"
     #include "createTime.H"
 
     runTime.functionObjects().off();
 
     const bool checkGeometry = args.optionFound("checkGeometry");
+    const bool conformationOnly = args.optionFound("conformationOnly");
+    const bool overwrite = args.optionFound("overwrite");
 
     IOdictionary foamyHexMeshDict
     (
@@ -104,16 +114,33 @@ int main(int argc, char *argv[])
     conformalVoronoiMesh mesh(runTime, foamyHexMeshDict);
 
 
-    while (runTime.loop())
+    if (conformationOnly)
     {
-        Info<< nl << "Time = " << runTime.timeName() << endl;
+        mesh.initialiseForConformation();
 
-        mesh.move();
+        if (!overwrite)
+        {
+            runTime++;
+        }
 
-        Info<< nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
-            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
-            << endl;
+        mesh.writeMesh(runTime.timeName());
     }
+    else
+    {
+        mesh.initialiseForMotion();
+
+        while (runTime.loop())
+        {
+            Info<< nl << "Time = " << runTime.timeName() << endl;
+
+            mesh.move();
+
+            Info<< nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
+                << "  ClockTime = " << runTime.elapsedClockTime() << " s"
+                << endl;
+        }
+    }
+
 
     Info<< nl << "End" << nl << endl;