Mesh refinement using refineMesh utility

Figure: Original mesh, one refinement, two refinements
Image refine1      Image refine2      Image refine3

// Cells to refine; name of cell set
set rotor;

Figure: Original mesh, one refinement, two refinements
Image refine21      Image refine22      Image refine23

// List of directions to refine, if global or patchLocal
directions
(
//    tan1
//    tan2
    normal
);

Figure: Original mesh, one refinement, two refinements
Image refine31      Image refine32      Image refine33

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