A Controllable, Fast and Stable Basis for Vortex Based Smoke Simulation

Alexis Angelidis 1 Fabrice Neyret 2 Karan Singh 1 Derek Nowrouzezahrai 1
1 University of Toronto
2 EVASION - Virtual environments for animation and image synthesis of natural objects
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71
Abstract : We introduce a novel method for describing and controlling a 3D smoke simulation. Using harmonic analysis and principal component analysis, we define an underlying description of the fluid flow that is compact and meaningful to non-expert users. The motion of the smoke can be modified with high level tools, such as animated current curves, attractors and tornadoes. Our simulation is controllable, interactive and stable for arbitrarily long periods of time. The simulations computational cost increases linearly in the number of motion samples and smoke particles. Our adaptive smoke particle representation conveniently incorporates the surface-like characteristics of real smoke.
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Alexis Angelidis, Fabrice Neyret, Karan Singh, Derek Nowrouzezahrai. A Controllable, Fast and Stable Basis for Vortex Based Smoke Simulation. Symposium on Computer Animation (SCA 06), ACM-SIGGRAPH/EG, Sep 2006, Vienne, Austria. p. 25-32. ⟨inria-00402106⟩

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