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Solving the Shallow Water equations using 2D SPH particles for interactive applications

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Abstract

In this paper, we introduce a 2D particle-based approach to achieve realistic water surface behaviors for interactive applications. We formulate 2D particle-based Shallow Water equations using the Smoothed Particle Hydrodynamics. Particles defined with specific amount of water volume interplay with each other, which generates the horizon flow and the water surface motion. By the application of the particle-based Lagrangian framework to the 2D Shallow Water simulation, our method allows the water particles to move freely without being confined to a grid. The motion of the particles can represent global flow with dynamic waves covering a large area while avoiding extensive 3D fluid dynamics computation. The 2D particle-based Shallow Water equations are straightforward and computed fast with the GPU-based implementation. Experiments on a standard hardware demonstrate the performance of our approach which is running on the GPU, and the results show a realistic motion of the water surface at interactive rates.

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Authors and Affiliations

  1. Dept. of Mechanical Engineering, KAIST, 335 Gwahak-ro, Yuseong-gu, Daejeon, South Korea

    Hyokwang Lee & Soonhung Han

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  1. Hyokwang Lee
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  2. Soonhung Han
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Correspondence to Hyokwang Lee.

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Lee, H., Han, S. Solving the Shallow Water equations using 2D SPH particles for interactive applications. Vis Comput 26, 865–872 (2010). https://doi.org/10.1007/s00371-010-0439-9

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