Vortex Fluid for Gaseous Phenomena

Abstract

In this paper, we present a method for visual simulation of gaseous phenomena based on the vortex method. Using a localized vortex flow as a basic building block, the whole flow field is described. As a result, we generate more dynamic swirling fluid flows while achieving computational efficiency by concentrating only on the localized vorticity region during the simulation. Based on the lagrangian framework, we consider various boundary conditions. By exploiting the panel method, we satisfy the no-through boundary condition in a Lagrangian way. A simple and effective way of handling the no-slip boundary condition is also presented. In treating the no-slip boundary condition, we allow a user to assign the roughness of the boundary surface, which further improves visual realism.

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Citation

Sang Il Park and Myoung Jun Kim. Vortex Fluid for Gaseous Phenomena. In ACM SIGGRAPH/Eurographics Symposium on Computer Animation, July 2005.

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