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Physically based modeling and animation of tornado. (English) Zbl 1103.68896
Summary: Realistic modeling and rendering of dynamic tornado scene is recognized as a challenging task for researchers of computer graphics. In this paper a new physically based method for simulating and animating tornado scene is presented. We first propose a Two-Fluid model based on the physical theory of tornado, then we simulate the flow of tornado and its interaction with surrounding objects such as debris, etc. Taking the scattering and absorption of light by the participating media into account, the illumination effects of the tornado scene can be generated realistically. With the support of graphics hardware, various kinds of dynamic tornado scenes can be rendered at interactive rates.
68T45 Machine vision and scene understanding
68U05 Computer graphics; computational geometry (digital and algorithmic aspects)
76T99 Multiphase and multicomponent flows
78A45 Diffraction, scattering
Full Text: DOI
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