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Summary

checkMesh reports open cells if it detects different topology (i.e. presence of polyMesh/owner,boundary etc)

Steps to reproduce

• run tutorials/incompressible/pimpleFoam/RAS/oscillatingInletACMI2D
• cp constant/polyMesh/ 1/polyMesh/
• checkMesh now reports open cells at time 1

What is the current bug behaviour?

Checking geometry...
    Overall domain bounding box (0 0 0) (3 1 0.1)
    Mesh has 2 geometric (non-empty/wedge) directions (1 1 0)
    Mesh has 2 solution (non-empty) directions (1 1 0)
    All edges aligned with or perpendicular to non-empty directions.
 ***Boundary openness (-0.01030927835 3.144558878e-17 -4.584107381e-16) possible hole in boundary description.
 ***Open cells found, max cell openness: 0.3333333333, number of open cells 136
  <<Writing 136 non closed cells to set nonClosedCells

Environment information

• OpenFOAM version :v2012

Possible fixes

It reports the AMI weights correctly. Maybe ordering of polyBoundaryMesh in polyMesh::readUpdate?

@Pawan