A unified approach for nonslip and slip boundary conditions in the lattice Boltzmann method

This work proposed a unified approach to impose both nonslip and slip boundary conditions for the lattice Boltzmann method (LBM). By introducing the tangential momentum accommodation coefficient (TMAC), the present implementation can determine the change of the tangential momentum on the wall and then impose the correct boundary conditions for LBM. The simulation results demonstrate that this implementation is equivalent to the first-order slip model.