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Scalable Fluid Simulation using Anisotropic Turbulence Particles, SIGGRAPH Asia 2010

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Published on Sep 22, 2010

We present a novel, scalable turbulence method that uses a realistic energy
model and an efficient particle representation that allows for the accurate
and robust simulation of small-scale detail.
We compute transport of turbulent energy using a complete two-equation
k-epsilon model with accurate production terms that allows us to capture anisotropic turbulence effects, which integrate smoothly into the base flow.
We only require a very low grid resolution to resolve the underlying base flow.
As we offload complexity from the fluid solver to the particle system, we can
control the detail of the simulation easily by adjusting the number of particles,
without changing the large scale behavior. In addition, no computations
are wasted on areas that are not visible. We demonstrate that due to
the design of our algorithm it is highly suitable for massively parallel
architectures, and is able to generate detailed turbulent simulations
with millions of particles at high framerates.

http://graphics.ethz.ch/research/phys...

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