[blockMesh] Circumferential refinement mesh on the outside of a concentric cylinder geometry

charryzzz · April 23, 2021, 01:26

Hi Foamer!

I have a question regarding generating a mesh in which different blocks have different cell number in the same direction, see the attached figure.

The diameter of the inner circle is 2 mm, and the outer circle has a diameter of 100 mm, 50 times larger than the inner one. Therefore, I need to give more cells in the circumferential direction of the outer circle. I don't have a clue to solve this problem now.

Is there any similar tutorial or example similar to this setup available?

Any suggestions or even the solutions will be appreciated

GerhardHolzinger · April 23, 2021, 10:33

Mesh the inner cylinder and outer annular geometry as separate unconnected regions. Then, couple these regions using ACMI patches.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
[snappyHexMesh] SnappyHexMesh running killed!	Mark JIN	OpenFOAM Meshing & Mesh Conversion	7	June 14, 2022 02:37
[snappyHexMesh] Creating multiple multiple cell zones with snappyHexMesh - a newbie in deep water!	divergence	OpenFOAM Meshing & Mesh Conversion	0	January 23, 2019 05:17
Moving mesh	Niklas Wikstrom (Wikstrom)	OpenFOAM Running, Solving & CFD	122	June 15, 2014 07:20
[snappyHexMesh] external flow with snappyHexMesh	chelvistero	OpenFOAM Meshing & Mesh Conversion	11	January 15, 2010 20:43
fluent add additional zones for the mesh file	SSL	FLUENT	2	January 26, 2008 12:55

April 23, 2021, 10:33		#2
GerhardHolzinger Senior Member Gerhard Holzinger Join Date: Feb 2012 Location: Austria Posts: 342 Rep Power: 28	Mesh the inner cylinder and outer annular geometry as separate unconnected regions. Then, couple these regions using ACMI patches.