I am a beginner to OpenFOAM. I
 

I am a beginner to OpenFOAM. I am interesting in the example 22 shown at the following address: http://www.opencfd.co.uk/solutions/examples22.html
Is there anyone who could give me a help on how to set up the mesh for both solid structure and fluid, and how to program to couple the solvers for solid and fluid? Thanks a lot.