Path-based control of smoke simulations

  • Authors:
  • Yootai Kim;Raghu Machiraju;David Thompson

  • Affiliations:
  • The Ohio State University, Columbus, OH;The Ohio State University, Columbus, OH;Mississippi State University, Mississippi State, MS

  • Venue:
  • Proceedings of the 2006 ACM SIGGRAPH/Eurographics symposium on Computer animation
  • Year:
  • 2006

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Abstract

In this paper, we propose a novel path-based control method for generating realistic smoke animations. Our method allows an animator to specify a 3D curve for the smoke to follow. Path control is then achieved using a linear (closed) feedback loop to match the velocity field obtained from a 3D flow simulation with a target velocity field. The target velocity field can be generated in a variety of ways and may include the small scale swirling motion characteristic of turbulent flows. We provide several examples of complex smoke paths to demonstrate the efficacy of our approach.