Abstract
The paper reports the way to prevent numerical instability in computing Differential Stress Moment Model (DSM) by means of MAC algorithm. Stabilization of momentum equations by Huangetal was arranged for MAC. Stability analysis for equation of convection-diffusion type with cross diffusion term was discussed. Two dimensional flow field was calculated numerically according to the algorithm offered by the paper. The result showed that our method made it possible to compute DSM stably by MAC.