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Coupling Lattice Boltzmann Gas and Level Set Method for Simulating Free Surface Flow in GPU/CUDA Environment

Tomir Kryza, Witold Dzwinel
AGH University of Science and Technology, Institute of Computer Science, Krakow, Poland
AGH University of Science and Technology, 2013

@article{kryza2013coupling,

   title={Coupling Lattice Boltzmann Gas and Level Set Method for Simulating Free Surface Flow in GPU/CUDA Environment},

   author={Kryza, Tomir and Dzwinel, Witold},

   year={2013}

}

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We present here a proof-of-concept of a novel, efficient method for modelling of liquid/gas interface dynamics. Our approach consists in coupling the lattice Boltzmann gas (LBG) and the level set (LS) methods. The inherent parallel character of LBG accelerated by level sets is the principal advantage of our approach over similar particle based solvers. Consequently, this property allows for efficient use of our solver in GPU/CUDA environment. We demonstrate preliminary results and GPU/CPU speedups simulating two standard free surface fluid scenarios: the falling droplet and the breaking dam problems.
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