Drag force_nanosphere
 

Hi, I am using ansys multiphysics 9.0. I want to model a flow af water in a microchannel.In that channel there will be some spheres of polystyrene (100nm - 1micron. I want to calculate drag an lift force..but intsrf, tauw doesn't work!!how can I do that? I want also to model Electrowetting...someboy know how to do? I am beginner with Ansys. Thank you so much