Abstract
This study is concerned with the improvement of the Vortex in Cell (VIC) method for incompressible flow simulation. Staggered grid is used for the discretization of the governing equations to ensure the consistency. The grid is also successfully employed for the re-computation of the vorticity to satisfy the solenoidal condition for the vorticity field. The VIC method is applied to perform the DNS of a turbulent channel flow. The Reynolds number based on the friction velocity and the channel half width is 180. The simulated results, such as the velocity fields and the vortical structures near the wall, are favorably compared with the existing DNS, indicating the validity of the present VIC method.
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