8 February 2005 Real-time simulation of snow in flight simulator
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Abstract
Simulation of particle systems is time consuming. However many particle system applications require fast interactive animations. For example, simulation of physically realistic complex snow phenomena is very useful in training, education, and entertainment. In this paper, based on particles system and aerodynamics, we use computational, and behavioral simulation techniques to simulate snow behavior in a flight simulator in real time. At first, we have introduced the principle of particle. The second, this paper has discussed basic attributes of snow particle in detail, we further simplify the numerical calculations according to practically requires and give some new attribute to snow that use a circle shape and specific initializing position of snow. The third, we have given the basic steps to generate a particle system. The fourth, in order to strengthen the depth of field, we make the particle from several kinds areas that faced to our point of view. At last, we construct a new wind models to generate particles and control the behavior accordingly. The approach has been implemented and applied in a flight simulator.
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Lei Chen, Hexin Chen, Songwei Li, Runjie Wang, "Real-time simulation of snow in flight simulator", Proc. SPIE 5637, Electronic Imaging and Multimedia Technology IV, (8 February 2005); doi: 10.1117/12.575750; https://doi.org/10.1117/12.575750
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