ENH: dynamicFvMesh: multi-region support

src/dynamicFvMesh/dynamicFvMesh/dynamicFvMeshNew.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -31,13 +31,18 @@ License
 
 Foam::autoPtr<Foam::dynamicFvMesh> Foam::dynamicFvMesh::New(const IOobject& io)
 {
-    // do not register the dictionary
+    // Note: - do not register the dictionary since dynamicFvMeshes themselves
+    // do this.
+    // - defaultRegion (region0) gets loaded from constant, other ones
+    //   get loaded from constant/<regionname>. Normally we'd use
+    //   polyMesh::dbDir() but we haven't got a polyMesh yet ...
     IOdictionary dict
     (
         IOobject
         (
             "dynamicMeshDict",
             io.time().constant(),
+            (io.name() == polyMesh::defaultRegion ? "" : io.name()),
             io.db(),
             IOobject::MUST_READ_IF_MODIFIED,
             IOobject::NO_WRITE,