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Real world winds can be classified into two categories: natural winds and artificial winds. While previous researchers have focused on natural winds, we also need to simulate artificial winds, which may be generated by electric fans, air conditioners, human mouths, etc. In this paper, we present a mathematical model for artificial winds, and also present an efficient method for calculating the forces applied on the objects under the influence of artificial winds. Our method uses a hardware illumination technique to finally calculate the artificial wind forces, and thus the simulation process is accelerated considerably. Hence our model achieves real-time display of visually plausible motions, and its implementation shows sufficient performance for real-time interactivity. Through combining our method with previous natural wind models, we can also expect to build up an integrated wind simulation system for computer graphics applications.