Abstract
We carried out a numerical analysis of three-dimensional cavity flow by finite difference method. In time marching method, 2nd-order and 3rd-order Adams-Bashforth method applied to convective term and Crank-Nicolson method applied for viscous term. For other spatial derivatives in Navier-Stokes equations, we applied high-order-accurate finite-difference scheme. Especially, we investigated the effect of numerical viscosity. The results of computation compared with Lo et al's result. The maximum velocity near the bottom wall became large with decreasing the value of numerical viscosity.