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Expansion ratio
Title
Question
Does expansion ratio indicate taper of the block along x1, x2 and x3 directions?

OpenFOAM-version-7 Creating-2D-Channel-Geometry-and-Mesh-in-OpenFOAM 06-07 min 50-60 sec 25-02-21, 4:20 p.m. KiranK

Answers:

Expansion ratio is used to refine/coarsen the mesh in a particular direction and not to indicate tapering of the block.
25-02-21, 4:27 p.m. subhamdas

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More precisely it defines refinement in each direction.
You will learn more about it in the next tutorial. The multi-block Mesh tutorial.

Regards,
Divyesh Variya
25-02-21, 4:28 p.m. divyesh7

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