Re: [ESPResSo-users] boundary condition in shear flow

[Ivan Cimrak]

Hi,

In Espresso, you can use shapes as boundaries for the fluid. Moreover, you can prescribe the velocity on the surface of the boundaries. See the section 

12.9. Using shapes as lattice Boltzmann boundary

in online ESPResSo documentation

http://espressomd.org/html/doc/lb.html

For Couette flow, you can set an upper and a lower rhomboid with the opposite velocities to create shear flow.

Best,

Ivan

On 10 Jun 2019, at 13:37, 魏雅洁 <address@hidden> wrote:

Hi,

     we want simulate a RBC moving in the shear flow using ESPResSo. However, the computation has failed owing to incorrect boundary condition.  Could anyone tell me how to set boundary condition in Couette/shear flow?

Many thanks

Yajie Wei