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A new SPH fluid simulation method using ellipsoidal kernels

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Abstract

We propose a new smoothed particle hydrodynamics simulation method that utilizes ellipsoidal kernels instead of spherical kernels. In order to load fluid quantities between time-stepping into smoothed particles, kernel shapes are elongated according to the directions and magnitudes of velocities. The use of these deformable kernels allows us to efficiently simulate fast moving fluids without increasing computational cost. The experiments demonstrate that our method can reproduce the detailed movement of fast fluids by reducing numerical diffusion.

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Acknowledgments

This research is supported by Ministry of Culture, Sports and Tourism (MCST) and Korea Creative Content Agency (KOCCA) in the Culture Technology (CT) Research & Developement Program 2011.

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  1. Eunchan Jo

    Present address: Sejong University, Seoul, South Korea

Authors and Affiliations

  1. Sejong University, Seoul, South Korea

    Oh-young Song

  2. Seoul National University, Seoul, South Korea

    Doyub Kim

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  1. Eunchan Jo
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  2. Doyub Kim
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  3. Oh-young Song
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Correspondence to Oh-young Song.

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Jo, E., Kim, D. & Song, Oy. A new SPH fluid simulation method using ellipsoidal kernels. J Vis 14, 371–379 (2011). https://doi.org/10.1007/s12650-011-0092-z

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