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    Boundary Detection in Particle-based Fluids

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    Date
    2016
    Author
    Sandim, Marcos
    Cedrim, Douglas
    Nonato, Luis Gustavo
    Pagliosa, Paulo
    Paiva, Afonso
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    Abstract
    This paper presents a novel method to detect free-surfaces on particle-based volume representation. In contrast to most particlebased free-surface detection methods, which perform the surface identification based on physical and geometrical properties derived from the underlying fluid flow simulation, the proposed approach only demands the spatial location of the particles to properly recognize surface particles, avoiding even the use of kernels. Boundary particles are identified through a Hidden Point Removal (HPR) operator used for visibility test. Our method is very simple, fast, easy to implement and robust to changes in the distribution of particles, even when facing large deformation of the free-surface. A set of comparisons against state-of-the-art boundary detection methods show the effectiveness of our approach. The good performance of our method is also attested in the context of fluid flow simulation involving free-surface, mainly when using level-sets for rendering purposes.
    BibTeX
    @article {10.1111:cgf.12824,
    journal = {Computer Graphics Forum},
    title = {{Boundary Detection in Particle-based Fluids}},
    author = {Sandim, Marcos and Cedrim, Douglas and Nonato, Luis Gustavo and Pagliosa, Paulo and Paiva, Afonso},
    year = {2016},
    publisher = {The Eurographics Association and John Wiley & Sons Ltd.},
    ISSN = {1467-8659},
    DOI = {10.1111/cgf.12824}
    }
    URI
    http://dx.doi.org/10.1111/cgf.12824
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    • 35-Issue 2
    • EG 2016 - Full Papers - CGF 35-Issue 2

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