Circular Couette flow

Dear all

I want to model circular couette flow using lattice Boltzmann method

I do this before for plane couette flow

But since we use square lattices with Cartesian coordinates how can I import the wall velocity (which is angular) at boundary nodes near the rotating wall?

Thanks for your help

Hi Casy,

I haven’t read this, but try: Filippova O., Hanel D. 1997 Comput. Fluids 26, 697

I hope it will help you,

Hi Casy,

I am working on simulating fluid flow through a circular channel using palabos. Would you mind telling me how to achieve this based on the rectangular channel 3D case existing in Example.