"Vortex street" in a tube
OpenFOAM case files for simulation of a flow around a cylinder (or sphere) in a tube.
Cases - folder with two case folders, corresponding to different shapes of internal body
Gmsh - GEO files for generation of volume and surface meshes with Gmsh
flowmeter.py - script for calculation of flow parameters from a given geometry of the tube and internal body.
Description of a cases with results are posted in my blog.