Abstract
Computational methods in CFD have been highly sophisticated, and ways to deal with numerical uncertainties have been proposed. In this case, the benchmark test problems to the equations modeled from the Navier-Stokes equations play important roles in verification. However, many of these are designed for the effect of the advection term, and there is little benchmark problem concerning the equation of continuity. In this paper, we propose several benchmark test problems for the continuity equation, and issues of existing techniques and a future direction in this field are described.