Hairpin by Joel Guerrero

• contributor: Joel Guerrero
• affiliation: Universita degli Studi di Genova, Wolf Dynamics
• contact: click here for email address
• OpenFOAM version: 4.x
• published under: CC BY-SA license (creative commons licenses)

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Hairpin vortices

In this tutorial, we will simulate hairpin vortices behind a hemisphere. This case (which seems to be a simple one), can be rather tricky and requires the use of some tricks to trigger the hairpin vortices using coarse meshes. You will learn about,

• understanding the physics
• case setup and workflow
• meshing
• running the simulation
  • steady-state
  • transient
• sampling and plotting
• mesh refinement

You can download the case files in this link.

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