Wave curves: simulating lagrangian water waves on dynamically deforming surfaces

We propose a method to enhance the visual detail of a water surface simulation. Our method works as a post-processing step which takes a simulation as input and increases its apparent resolution by simulating many detailed Lagrangian water waves on top of it. We extend linear water wave theory to wo...

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Bibliographic Details
Published in:ACM transactions on graphics 2020-07, Vol.39 (4), p.65:1-65:11, Article 65
Main Authors: Skrivan, Tomas, Soderstrom, Andreas, Johansson, John, Sprenger, Christoph, Museth, Ken, Wojtan, Chris
Format: Article
Language:English
Subjects:
Animation
Computer graphics
Computing methodologies
Modeling and simulation
Physical simulation
Simulation by animation
Simulation types and techniques
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Summary:We propose a method to enhance the visual detail of a water surface simulation. Our method works as a post-processing step which takes a simulation as input and increases its apparent resolution by simulating many detailed Lagrangian water waves on top of it. We extend linear water wave theory to work in non-planar domains which deform over time, and we discretize the theory using Lagrangian wave packets attached to spline curves. The method is numerically stable and trivially parallelizable, and it produces high frequency ripples with dispersive wave-like behaviors customized to the underlying fluid simulation.
ISSN:0730-0301
1557-7368
DOI:10.1145/3386569.3392466