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Introduction Wind phenomena and the dispersion of airborne material are important in a wide range of professions. Professionals from architects and urban planners to structural engineers and environmental scientists need to understand and predict the nature of wind, and the dispersion of airborne material, around man-made structures and over a wide variety of complex terrains. The visualization of these wind related phenomena is key to their understanding. Most wind related interests concern understanding the nature of the wind, and the dispersion of airborne material, in a given environment, as well as the effects a proposed change in that environment will have. Examples could include the effects of high-rise building development on pedestrian level winds or the dispersion of smoke from a new exhaust stack in a mountain surrounded factory. Clear understanding of these wind related processes can be achieved through complex three-dimensional wind prediction software and advanced visualization software tools. With the enormous increases in computer speed offered through parallel computing, next generation parallel desktop computers are currently available to support advanced wind prediction and visualization software. At Virtualwind we take advantage of these latest technological advances to provide the fastest wind simulator available to desktop computing, and specialized wind visualization and post-processing tools.
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