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tetDecomposer produces incorrect tet

Summary

Using the tetDecomposer class to decompose a mesh with refinement produces illegal mesh.

Steps to reproduce

Example case

cavity.tgz

  • blockMesh
  • topoSet
  • refineHexMesh
  • split cells into tets

What is the current bug behaviour?

Produces illegal mesh. checkMesh -alllTopology reports open cells.

What is the expected correct behavior?

Relevant logs and/or images

Environment information

  • OpenFOAM version : v2206
  • Operating system :
  • Hardware info :
  • Compiler :

Possible fixes